| Message ID | 17145dc5-e68e-4566-bedf-251bebe36ebb@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | i2c: mux: Remove class argument from i2c_mux_add_adapter() | expand |
Hi Am 18.04.24 um 22:55 schrieb Heiner Kallweit: > 99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device > instantiation") removed the last call to i2c_mux_add_adapter() with a > non-null class argument. Therefore the class argument can be removed. > > Note: Class-based device instantiation is a legacy mechanism which > shouldn't be used in new code, so we can rule out that this argument > may be needed again in the future. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> > --- > drivers/gpu/drm/bridge/sii902x.c | 2 +- For the DRM file: Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Best regards Thomas > drivers/i2c/i2c-mux.c | 24 +--------------------- > drivers/i2c/muxes/i2c-arb-gpio-challenge.c | 2 +- > drivers/i2c/muxes/i2c-mux-gpio.c | 2 +- > drivers/i2c/muxes/i2c-mux-gpmux.c | 2 +- > drivers/i2c/muxes/i2c-mux-ltc4306.c | 2 +- > drivers/i2c/muxes/i2c-mux-mlxcpld.c | 2 +- > drivers/i2c/muxes/i2c-mux-pca9541.c | 2 +- > drivers/i2c/muxes/i2c-mux-pca954x.c | 2 +- > drivers/i2c/muxes/i2c-mux-pinctrl.c | 2 +- > drivers/i2c/muxes/i2c-mux-reg.c | 2 +- > drivers/iio/gyro/mpu3050-i2c.c | 2 +- > drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 2 +- > drivers/media/dvb-frontends/af9013.c | 2 +- > drivers/media/dvb-frontends/lgdt3306a.c | 2 +- > drivers/media/dvb-frontends/m88ds3103.c | 2 +- > drivers/media/dvb-frontends/rtl2830.c | 2 +- > drivers/media/dvb-frontends/rtl2832.c | 2 +- > drivers/media/dvb-frontends/si2168.c | 2 +- > drivers/media/i2c/max9286.c | 2 +- > drivers/media/usb/cx231xx/cx231xx-i2c.c | 5 +---- > drivers/of/unittest.c | 2 +- > include/linux/i2c-mux.h | 3 +-- > 23 files changed, 23 insertions(+), 49 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c > index 8f84e9824..2fbeda902 100644 > --- a/drivers/gpu/drm/bridge/sii902x.c > +++ b/drivers/gpu/drm/bridge/sii902x.c > @@ -1092,7 +1092,7 @@ static int sii902x_init(struct sii902x *sii902x) > } > > sii902x->i2cmux->priv = sii902x; > - ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0); > + ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0); > if (ret) > goto err_unreg_audio; > > diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c > index 57ff09f18..fda72e8be 100644 > --- a/drivers/i2c/i2c-mux.c > +++ b/drivers/i2c/i2c-mux.c > @@ -127,19 +127,6 @@ static u32 i2c_mux_functionality(struct i2c_adapter *adap) > return parent->algo->functionality(parent); > } > > -/* Return all parent classes, merged */ > -static unsigned int i2c_mux_parent_classes(struct i2c_adapter *parent) > -{ > - unsigned int class = 0; > - > - do { > - class |= parent->class; > - parent = i2c_parent_is_i2c_adapter(parent); > - } while (parent); > - > - return class; > -} > - > static void i2c_mux_lock_bus(struct i2c_adapter *adapter, unsigned int flags) > { > struct i2c_mux_priv *priv = adapter->algo_data; > @@ -281,8 +268,7 @@ static const struct i2c_lock_operations i2c_parent_lock_ops = { > }; > > int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > - u32 force_nr, u32 chan_id, > - unsigned int class) > + u32 force_nr, u32 chan_id) > { > struct i2c_adapter *parent = muxc->parent; > struct i2c_mux_priv *priv; > @@ -340,14 +326,6 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > else > priv->adap.lock_ops = &i2c_parent_lock_ops; > > - /* Sanity check on class */ > - if (i2c_mux_parent_classes(parent) & class & ~I2C_CLASS_DEPRECATED) > - dev_err(&parent->dev, > - "Segment %d behind mux can't share classes with ancestors\n", > - chan_id); > - else > - priv->adap.class = class; > - > /* > * Try to populate the mux adapter's of_node, expands to > * nothing if !CONFIG_OF. > diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > index 24168e9f7..7aa6e795d 100644 > --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > @@ -167,7 +167,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev) > } > > /* Actually add the mux adapter */ > - ret = i2c_mux_add_adapter(muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(muxc, 0, 0); > if (ret) > i2c_put_adapter(muxc->parent); > > diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c > index 0fbb33a3d..d6bbb8b68 100644 > --- a/drivers/i2c/muxes/i2c-mux-gpio.c > +++ b/drivers/i2c/muxes/i2c-mux-gpio.c > @@ -207,7 +207,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev) > for (i = 0; i < mux->data.n_values; i++) { > u32 nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; > > - ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0); > + ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i]); > if (ret) > goto add_adapter_failed; > } > diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c > index 8305661e1..10d63307b 100644 > --- a/drivers/i2c/muxes/i2c-mux-gpmux.c > +++ b/drivers/i2c/muxes/i2c-mux-gpmux.c > @@ -124,7 +124,7 @@ static int i2c_mux_probe(struct platform_device *pdev) > goto err_children; > } > > - ret = i2c_mux_add_adapter(muxc, 0, chan, 0); > + ret = i2c_mux_add_adapter(muxc, 0, chan); > if (ret) > goto err_children; > } > diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c > index 23766d853..19a7c3709 100644 > --- a/drivers/i2c/muxes/i2c-mux-ltc4306.c > +++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c > @@ -279,7 +279,7 @@ static int ltc4306_probe(struct i2c_client *client) > > /* Now create an adapter for each channel */ > for (num = 0; num < chip->nchans; num++) { > - ret = i2c_mux_add_adapter(muxc, 0, num, 0); > + ret = i2c_mux_add_adapter(muxc, 0, num); > if (ret) { > i2c_mux_del_adapters(muxc); > return ret; > diff --git a/drivers/i2c/muxes/i2c-mux-mlxcpld.c b/drivers/i2c/muxes/i2c-mux-mlxcpld.c > index 4c6ed1d58..3f06aa333 100644 > --- a/drivers/i2c/muxes/i2c-mux-mlxcpld.c > +++ b/drivers/i2c/muxes/i2c-mux-mlxcpld.c > @@ -154,7 +154,7 @@ static int mlxcpld_mux_probe(struct platform_device *pdev) > > /* Create an adapter for each channel. */ > for (num = 0; num < pdata->num_adaps; num++) { > - err = i2c_mux_add_adapter(muxc, 0, pdata->chan_ids[num], 0); > + err = i2c_mux_add_adapter(muxc, 0, pdata->chan_ids[num]); > if (err) > goto virt_reg_failed; > } > diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c > index ce0fb6924..e28694d99 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca9541.c > +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c > @@ -314,7 +314,7 @@ static int pca9541_probe(struct i2c_client *client) > > i2c_set_clientdata(client, muxc); > > - ret = i2c_mux_add_adapter(muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(muxc, 0, 0); > if (ret) > return ret; > > diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c > index c3f4ff08a..6f8401825 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca954x.c > +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c > @@ -644,7 +644,7 @@ static int pca954x_probe(struct i2c_client *client) > > /* Now create an adapter for each channel */ > for (num = 0; num < data->chip->nchans; num++) { > - ret = i2c_mux_add_adapter(muxc, 0, num, 0); > + ret = i2c_mux_add_adapter(muxc, 0, num); > if (ret) > goto fail_cleanup; > } > diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c > index 6ebca7bfd..02aaf0781 100644 > --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c > +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c > @@ -151,7 +151,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev) > > /* Do not add any adapter for the idle state (if it's there at all). */ > for (i = 0; i < num_names - !!muxc->deselect; i++) { > - ret = i2c_mux_add_adapter(muxc, 0, i, 0); > + ret = i2c_mux_add_adapter(muxc, 0, i); > if (ret) > goto err_del_adapter; > } > diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c > index 8489971ba..ef765fcd3 100644 > --- a/drivers/i2c/muxes/i2c-mux-reg.c > +++ b/drivers/i2c/muxes/i2c-mux-reg.c > @@ -213,7 +213,7 @@ static int i2c_mux_reg_probe(struct platform_device *pdev) > for (i = 0; i < mux->data.n_values; i++) { > nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; > > - ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0); > + ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i]); > if (ret) > goto err_del_mux_adapters; > } > diff --git a/drivers/iio/gyro/mpu3050-i2c.c b/drivers/iio/gyro/mpu3050-i2c.c > index 52b6feed2..29ecfa6fd 100644 > --- a/drivers/iio/gyro/mpu3050-i2c.c > +++ b/drivers/iio/gyro/mpu3050-i2c.c > @@ -72,7 +72,7 @@ static int mpu3050_i2c_probe(struct i2c_client *client) > else { > mpu3050->i2cmux->priv = mpu3050; > /* Ignore failure, not critical */ > - i2c_mux_add_adapter(mpu3050->i2cmux, 0, 0, 0); > + i2c_mux_add_adapter(mpu3050->i2cmux, 0, 0); > } > > return 0; > diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > index 410ea39fd..0e03137fb 100644 > --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > @@ -142,7 +142,7 @@ static int inv_mpu_probe(struct i2c_client *client) > if (!st->muxc) > return -ENOMEM; > st->muxc->priv = dev_get_drvdata(&client->dev); > - result = i2c_mux_add_adapter(st->muxc, 0, 0, 0); > + result = i2c_mux_add_adapter(st->muxc, 0, 0); > if (result) > return result; > result = inv_mpu_acpi_create_mux_client(client); > diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c > index a829c8979..5afdbe244 100644 > --- a/drivers/media/dvb-frontends/af9013.c > +++ b/drivers/media/dvb-frontends/af9013.c > @@ -1480,7 +1480,7 @@ static int af9013_probe(struct i2c_client *client) > goto err_regmap_exit; > } > state->muxc->priv = state; > - ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(state->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c > index 263887592..91c71b24c 100644 > --- a/drivers/media/dvb-frontends/lgdt3306a.c > +++ b/drivers/media/dvb-frontends/lgdt3306a.c > @@ -2203,7 +2203,7 @@ static int lgdt3306a_probe(struct i2c_client *client) > goto err_kfree; > } > state->muxc->priv = client; > - ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(state->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c > index e0272054f..6c69bcc7a 100644 > --- a/drivers/media/dvb-frontends/m88ds3103.c > +++ b/drivers/media/dvb-frontends/m88ds3103.c > @@ -1866,7 +1866,7 @@ static int m88ds3103_probe(struct i2c_client *client) > goto err_kfree; > } > dev->muxc->priv = dev; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c > index 35c969fd2..30d10fe4b 100644 > --- a/drivers/media/dvb-frontends/rtl2830.c > +++ b/drivers/media/dvb-frontends/rtl2830.c > @@ -838,7 +838,7 @@ static int rtl2830_probe(struct i2c_client *client) > goto err_regmap_exit; > } > dev->muxc->priv = client; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c > index 601cf45c3..5142820b1 100644 > --- a/drivers/media/dvb-frontends/rtl2832.c > +++ b/drivers/media/dvb-frontends/rtl2832.c > @@ -1082,7 +1082,7 @@ static int rtl2832_probe(struct i2c_client *client) > goto err_regmap_exit; > } > dev->muxc->priv = dev; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c > index dae1f2153..26828fd41 100644 > --- a/drivers/media/dvb-frontends/si2168.c > +++ b/drivers/media/dvb-frontends/si2168.c > @@ -744,7 +744,7 @@ static int si2168_probe(struct i2c_client *client) > goto err_kfree; > } > dev->muxc->priv = client; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c > index d685d445c..dfcb3fc03 100644 > --- a/drivers/media/i2c/max9286.c > +++ b/drivers/media/i2c/max9286.c > @@ -383,7 +383,7 @@ static int max9286_i2c_mux_init(struct max9286_priv *priv) > for_each_source(priv, source) { > unsigned int index = to_index(priv, source); > > - ret = i2c_mux_add_adapter(priv->mux, 0, index, 0); > + ret = i2c_mux_add_adapter(priv->mux, 0, index); > if (ret < 0) > goto error; > } > diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c > index c6659253c..6da8e7943 100644 > --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c > +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c > @@ -567,10 +567,7 @@ int cx231xx_i2c_mux_create(struct cx231xx *dev) > > int cx231xx_i2c_mux_register(struct cx231xx *dev, int mux_no) > { > - return i2c_mux_add_adapter(dev->muxc, > - 0, > - mux_no /* chan_id */, > - 0 /* class */); > + return i2c_mux_add_adapter(dev->muxc, 0, mux_no); > } > > void cx231xx_i2c_mux_unregister(struct cx231xx *dev) > diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c > index 6b5c36b6a..c8ee866d7 100644 > --- a/drivers/of/unittest.c > +++ b/drivers/of/unittest.c > @@ -2815,7 +2815,7 @@ static int unittest_i2c_mux_probe(struct i2c_client *client) > if (!muxc) > return -ENOMEM; > for (i = 0; i < nchans; i++) { > - if (i2c_mux_add_adapter(muxc, 0, i, 0)) { > + if (i2c_mux_add_adapter(muxc, 0, i)) { > dev_err(dev, "Failed to register mux #%d\n", i); > i2c_mux_del_adapters(muxc); > return -ENODEV; > diff --git a/include/linux/i2c-mux.h b/include/linux/i2c-mux.h > index 98ef73b7c..1784ac7af 100644 > --- a/include/linux/i2c-mux.h > +++ b/include/linux/i2c-mux.h > @@ -56,8 +56,7 @@ struct i2c_adapter *i2c_root_adapter(struct device *dev); > * callback functions to perform hardware-specific mux control. > */ > int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > - u32 force_nr, u32 chan_id, > - unsigned int class); > + u32 force_nr, u32 chan_id); > > void i2c_mux_del_adapters(struct i2c_mux_core *muxc); >
Hi! 2024-04-18 at 22:55, Heiner Kallweit wrote: > 99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device > instantiation") removed the last call to i2c_mux_add_adapter() with a > non-null class argument. Therefore the class argument can be removed. > > Note: Class-based device instantiation is a legacy mechanism which > shouldn't be used in new code, so we can rule out that this argument > may be needed again in the future. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Peter Rosin <peda@axentia.se> Cheers, Peter
Hi Heiner, Thank you for the patch. On Thu, Apr 18, 2024 at 10:55:39PM +0200, Heiner Kallweit wrote: > 99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device > instantiation") removed the last call to i2c_mux_add_adapter() with a > non-null class argument. Therefore the class argument can be removed. > > Note: Class-based device instantiation is a legacy mechanism which > shouldn't be used in new code, so we can rule out that this argument > may be needed again in the future. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> > --- > drivers/gpu/drm/bridge/sii902x.c | 2 +- > drivers/i2c/i2c-mux.c | 24 +--------------------- > drivers/i2c/muxes/i2c-arb-gpio-challenge.c | 2 +- > drivers/i2c/muxes/i2c-mux-gpio.c | 2 +- > drivers/i2c/muxes/i2c-mux-gpmux.c | 2 +- > drivers/i2c/muxes/i2c-mux-ltc4306.c | 2 +- > drivers/i2c/muxes/i2c-mux-mlxcpld.c | 2 +- > drivers/i2c/muxes/i2c-mux-pca9541.c | 2 +- > drivers/i2c/muxes/i2c-mux-pca954x.c | 2 +- > drivers/i2c/muxes/i2c-mux-pinctrl.c | 2 +- > drivers/i2c/muxes/i2c-mux-reg.c | 2 +- > drivers/iio/gyro/mpu3050-i2c.c | 2 +- > drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 2 +- > drivers/media/dvb-frontends/af9013.c | 2 +- > drivers/media/dvb-frontends/lgdt3306a.c | 2 +- > drivers/media/dvb-frontends/m88ds3103.c | 2 +- > drivers/media/dvb-frontends/rtl2830.c | 2 +- > drivers/media/dvb-frontends/rtl2832.c | 2 +- > drivers/media/dvb-frontends/si2168.c | 2 +- > drivers/media/i2c/max9286.c | 2 +- > drivers/media/usb/cx231xx/cx231xx-i2c.c | 5 +---- > drivers/of/unittest.c | 2 +- > include/linux/i2c-mux.h | 3 +-- > 23 files changed, 23 insertions(+), 49 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c > index 8f84e9824..2fbeda902 100644 > --- a/drivers/gpu/drm/bridge/sii902x.c > +++ b/drivers/gpu/drm/bridge/sii902x.c > @@ -1092,7 +1092,7 @@ static int sii902x_init(struct sii902x *sii902x) > } > > sii902x->i2cmux->priv = sii902x; > - ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0); > + ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0); > if (ret) > goto err_unreg_audio; > > diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c > index 57ff09f18..fda72e8be 100644 > --- a/drivers/i2c/i2c-mux.c > +++ b/drivers/i2c/i2c-mux.c > @@ -127,19 +127,6 @@ static u32 i2c_mux_functionality(struct i2c_adapter *adap) > return parent->algo->functionality(parent); > } > > -/* Return all parent classes, merged */ > -static unsigned int i2c_mux_parent_classes(struct i2c_adapter *parent) > -{ > - unsigned int class = 0; > - > - do { > - class |= parent->class; > - parent = i2c_parent_is_i2c_adapter(parent); > - } while (parent); > - > - return class; > -} > - > static void i2c_mux_lock_bus(struct i2c_adapter *adapter, unsigned int flags) > { > struct i2c_mux_priv *priv = adapter->algo_data; > @@ -281,8 +268,7 @@ static const struct i2c_lock_operations i2c_parent_lock_ops = { > }; > > int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > - u32 force_nr, u32 chan_id, > - unsigned int class) > + u32 force_nr, u32 chan_id) > { > struct i2c_adapter *parent = muxc->parent; > struct i2c_mux_priv *priv; > @@ -340,14 +326,6 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > else > priv->adap.lock_ops = &i2c_parent_lock_ops; > > - /* Sanity check on class */ > - if (i2c_mux_parent_classes(parent) & class & ~I2C_CLASS_DEPRECATED) > - dev_err(&parent->dev, > - "Segment %d behind mux can't share classes with ancestors\n", > - chan_id); > - else > - priv->adap.class = class; > - > /* > * Try to populate the mux adapter's of_node, expands to > * nothing if !CONFIG_OF. > diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > index 24168e9f7..7aa6e795d 100644 > --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > @@ -167,7 +167,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev) > } > > /* Actually add the mux adapter */ > - ret = i2c_mux_add_adapter(muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(muxc, 0, 0); > if (ret) > i2c_put_adapter(muxc->parent); > > diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c > index 0fbb33a3d..d6bbb8b68 100644 > --- a/drivers/i2c/muxes/i2c-mux-gpio.c > +++ b/drivers/i2c/muxes/i2c-mux-gpio.c > @@ -207,7 +207,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev) > for (i = 0; i < mux->data.n_values; i++) { > u32 nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; > > - ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0); > + ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i]); > if (ret) > goto add_adapter_failed; > } > diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c > index 8305661e1..10d63307b 100644 > --- a/drivers/i2c/muxes/i2c-mux-gpmux.c > +++ b/drivers/i2c/muxes/i2c-mux-gpmux.c > @@ -124,7 +124,7 @@ static int i2c_mux_probe(struct platform_device *pdev) > goto err_children; > } > > - ret = i2c_mux_add_adapter(muxc, 0, chan, 0); > + ret = i2c_mux_add_adapter(muxc, 0, chan); > if (ret) > goto err_children; > } > diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c > index 23766d853..19a7c3709 100644 > --- a/drivers/i2c/muxes/i2c-mux-ltc4306.c > +++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c > @@ -279,7 +279,7 @@ static int ltc4306_probe(struct i2c_client *client) > > /* Now create an adapter for each channel */ > for (num = 0; num < chip->nchans; num++) { > - ret = i2c_mux_add_adapter(muxc, 0, num, 0); > + ret = i2c_mux_add_adapter(muxc, 0, num); > if (ret) { > i2c_mux_del_adapters(muxc); > return ret; > diff --git a/drivers/i2c/muxes/i2c-mux-mlxcpld.c b/drivers/i2c/muxes/i2c-mux-mlxcpld.c > index 4c6ed1d58..3f06aa333 100644 > --- a/drivers/i2c/muxes/i2c-mux-mlxcpld.c > +++ b/drivers/i2c/muxes/i2c-mux-mlxcpld.c > @@ -154,7 +154,7 @@ static int mlxcpld_mux_probe(struct platform_device *pdev) > > /* Create an adapter for each channel. */ > for (num = 0; num < pdata->num_adaps; num++) { > - err = i2c_mux_add_adapter(muxc, 0, pdata->chan_ids[num], 0); > + err = i2c_mux_add_adapter(muxc, 0, pdata->chan_ids[num]); > if (err) > goto virt_reg_failed; > } > diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c > index ce0fb6924..e28694d99 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca9541.c > +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c > @@ -314,7 +314,7 @@ static int pca9541_probe(struct i2c_client *client) > > i2c_set_clientdata(client, muxc); > > - ret = i2c_mux_add_adapter(muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(muxc, 0, 0); > if (ret) > return ret; > > diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c > index c3f4ff08a..6f8401825 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca954x.c > +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c > @@ -644,7 +644,7 @@ static int pca954x_probe(struct i2c_client *client) > > /* Now create an adapter for each channel */ > for (num = 0; num < data->chip->nchans; num++) { > - ret = i2c_mux_add_adapter(muxc, 0, num, 0); > + ret = i2c_mux_add_adapter(muxc, 0, num); > if (ret) > goto fail_cleanup; > } > diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c > index 6ebca7bfd..02aaf0781 100644 > --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c > +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c > @@ -151,7 +151,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev) > > /* Do not add any adapter for the idle state (if it's there at all). */ > for (i = 0; i < num_names - !!muxc->deselect; i++) { > - ret = i2c_mux_add_adapter(muxc, 0, i, 0); > + ret = i2c_mux_add_adapter(muxc, 0, i); > if (ret) > goto err_del_adapter; > } > diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c > index 8489971ba..ef765fcd3 100644 > --- a/drivers/i2c/muxes/i2c-mux-reg.c > +++ b/drivers/i2c/muxes/i2c-mux-reg.c > @@ -213,7 +213,7 @@ static int i2c_mux_reg_probe(struct platform_device *pdev) > for (i = 0; i < mux->data.n_values; i++) { > nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; > > - ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0); > + ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i]); > if (ret) > goto err_del_mux_adapters; > } > diff --git a/drivers/iio/gyro/mpu3050-i2c.c b/drivers/iio/gyro/mpu3050-i2c.c > index 52b6feed2..29ecfa6fd 100644 > --- a/drivers/iio/gyro/mpu3050-i2c.c > +++ b/drivers/iio/gyro/mpu3050-i2c.c > @@ -72,7 +72,7 @@ static int mpu3050_i2c_probe(struct i2c_client *client) > else { > mpu3050->i2cmux->priv = mpu3050; > /* Ignore failure, not critical */ > - i2c_mux_add_adapter(mpu3050->i2cmux, 0, 0, 0); > + i2c_mux_add_adapter(mpu3050->i2cmux, 0, 0); > } > > return 0; > diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > index 410ea39fd..0e03137fb 100644 > --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > @@ -142,7 +142,7 @@ static int inv_mpu_probe(struct i2c_client *client) > if (!st->muxc) > return -ENOMEM; > st->muxc->priv = dev_get_drvdata(&client->dev); > - result = i2c_mux_add_adapter(st->muxc, 0, 0, 0); > + result = i2c_mux_add_adapter(st->muxc, 0, 0); > if (result) > return result; > result = inv_mpu_acpi_create_mux_client(client); > diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c > index a829c8979..5afdbe244 100644 > --- a/drivers/media/dvb-frontends/af9013.c > +++ b/drivers/media/dvb-frontends/af9013.c > @@ -1480,7 +1480,7 @@ static int af9013_probe(struct i2c_client *client) > goto err_regmap_exit; > } > state->muxc->priv = state; > - ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(state->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c > index 263887592..91c71b24c 100644 > --- a/drivers/media/dvb-frontends/lgdt3306a.c > +++ b/drivers/media/dvb-frontends/lgdt3306a.c > @@ -2203,7 +2203,7 @@ static int lgdt3306a_probe(struct i2c_client *client) > goto err_kfree; > } > state->muxc->priv = client; > - ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(state->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c > index e0272054f..6c69bcc7a 100644 > --- a/drivers/media/dvb-frontends/m88ds3103.c > +++ b/drivers/media/dvb-frontends/m88ds3103.c > @@ -1866,7 +1866,7 @@ static int m88ds3103_probe(struct i2c_client *client) > goto err_kfree; > } > dev->muxc->priv = dev; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c > index 35c969fd2..30d10fe4b 100644 > --- a/drivers/media/dvb-frontends/rtl2830.c > +++ b/drivers/media/dvb-frontends/rtl2830.c > @@ -838,7 +838,7 @@ static int rtl2830_probe(struct i2c_client *client) > goto err_regmap_exit; > } > dev->muxc->priv = client; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c > index 601cf45c3..5142820b1 100644 > --- a/drivers/media/dvb-frontends/rtl2832.c > +++ b/drivers/media/dvb-frontends/rtl2832.c > @@ -1082,7 +1082,7 @@ static int rtl2832_probe(struct i2c_client *client) > goto err_regmap_exit; > } > dev->muxc->priv = dev; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c > index dae1f2153..26828fd41 100644 > --- a/drivers/media/dvb-frontends/si2168.c > +++ b/drivers/media/dvb-frontends/si2168.c > @@ -744,7 +744,7 @@ static int si2168_probe(struct i2c_client *client) > goto err_kfree; > } > dev->muxc->priv = client; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c > index d685d445c..dfcb3fc03 100644 > --- a/drivers/media/i2c/max9286.c > +++ b/drivers/media/i2c/max9286.c > @@ -383,7 +383,7 @@ static int max9286_i2c_mux_init(struct max9286_priv *priv) > for_each_source(priv, source) { > unsigned int index = to_index(priv, source); > > - ret = i2c_mux_add_adapter(priv->mux, 0, index, 0); > + ret = i2c_mux_add_adapter(priv->mux, 0, index); > if (ret < 0) > goto error; > } > diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c > index c6659253c..6da8e7943 100644 > --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c > +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c > @@ -567,10 +567,7 @@ int cx231xx_i2c_mux_create(struct cx231xx *dev) > > int cx231xx_i2c_mux_register(struct cx231xx *dev, int mux_no) > { > - return i2c_mux_add_adapter(dev->muxc, > - 0, > - mux_no /* chan_id */, > - 0 /* class */); > + return i2c_mux_add_adapter(dev->muxc, 0, mux_no); > } > > void cx231xx_i2c_mux_unregister(struct cx231xx *dev) > diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c > index 6b5c36b6a..c8ee866d7 100644 > --- a/drivers/of/unittest.c > +++ b/drivers/of/unittest.c > @@ -2815,7 +2815,7 @@ static int unittest_i2c_mux_probe(struct i2c_client *client) > if (!muxc) > return -ENOMEM; > for (i = 0; i < nchans; i++) { > - if (i2c_mux_add_adapter(muxc, 0, i, 0)) { > + if (i2c_mux_add_adapter(muxc, 0, i)) { > dev_err(dev, "Failed to register mux #%d\n", i); > i2c_mux_del_adapters(muxc); > return -ENODEV; > diff --git a/include/linux/i2c-mux.h b/include/linux/i2c-mux.h > index 98ef73b7c..1784ac7af 100644 > --- a/include/linux/i2c-mux.h > +++ b/include/linux/i2c-mux.h > @@ -56,8 +56,7 @@ struct i2c_adapter *i2c_root_adapter(struct device *dev); > * callback functions to perform hardware-specific mux control. > */ > int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > - u32 force_nr, u32 chan_id, > - unsigned int class); > + u32 force_nr, u32 chan_id); > > void i2c_mux_del_adapters(struct i2c_mux_core *muxc); >
On Thu, 18 Apr 2024 22:55:39 +0200 Heiner Kallweit <hkallweit1@gmail.com> wrote: > 99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device > instantiation") removed the last call to i2c_mux_add_adapter() with a > non-null class argument. Therefore the class argument can be removed. > > Note: Class-based device instantiation is a legacy mechanism which > shouldn't be used in new code, so we can rule out that this argument > may be needed again in the future. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> For iio Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> > --- > drivers/gpu/drm/bridge/sii902x.c | 2 +- > drivers/i2c/i2c-mux.c | 24 +--------------------- > drivers/i2c/muxes/i2c-arb-gpio-challenge.c | 2 +- > drivers/i2c/muxes/i2c-mux-gpio.c | 2 +- > drivers/i2c/muxes/i2c-mux-gpmux.c | 2 +- > drivers/i2c/muxes/i2c-mux-ltc4306.c | 2 +- > drivers/i2c/muxes/i2c-mux-mlxcpld.c | 2 +- > drivers/i2c/muxes/i2c-mux-pca9541.c | 2 +- > drivers/i2c/muxes/i2c-mux-pca954x.c | 2 +- > drivers/i2c/muxes/i2c-mux-pinctrl.c | 2 +- > drivers/i2c/muxes/i2c-mux-reg.c | 2 +- > drivers/iio/gyro/mpu3050-i2c.c | 2 +- > drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 2 +- > drivers/media/dvb-frontends/af9013.c | 2 +- > drivers/media/dvb-frontends/lgdt3306a.c | 2 +- > drivers/media/dvb-frontends/m88ds3103.c | 2 +- > drivers/media/dvb-frontends/rtl2830.c | 2 +- > drivers/media/dvb-frontends/rtl2832.c | 2 +- > drivers/media/dvb-frontends/si2168.c | 2 +- > drivers/media/i2c/max9286.c | 2 +- > drivers/media/usb/cx231xx/cx231xx-i2c.c | 5 +---- > drivers/of/unittest.c | 2 +- > include/linux/i2c-mux.h | 3 +-- > 23 files changed, 23 insertions(+), 49 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c > index 8f84e9824..2fbeda902 100644 > --- a/drivers/gpu/drm/bridge/sii902x.c > +++ b/drivers/gpu/drm/bridge/sii902x.c > @@ -1092,7 +1092,7 @@ static int sii902x_init(struct sii902x *sii902x) > } > > sii902x->i2cmux->priv = sii902x; > - ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0); > + ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0); > if (ret) > goto err_unreg_audio; > > diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c > index 57ff09f18..fda72e8be 100644 > --- a/drivers/i2c/i2c-mux.c > +++ b/drivers/i2c/i2c-mux.c > @@ -127,19 +127,6 @@ static u32 i2c_mux_functionality(struct i2c_adapter *adap) > return parent->algo->functionality(parent); > } > > -/* Return all parent classes, merged */ > -static unsigned int i2c_mux_parent_classes(struct i2c_adapter *parent) > -{ > - unsigned int class = 0; > - > - do { > - class |= parent->class; > - parent = i2c_parent_is_i2c_adapter(parent); > - } while (parent); > - > - return class; > -} > - > static void i2c_mux_lock_bus(struct i2c_adapter *adapter, unsigned int flags) > { > struct i2c_mux_priv *priv = adapter->algo_data; > @@ -281,8 +268,7 @@ static const struct i2c_lock_operations i2c_parent_lock_ops = { > }; > > int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > - u32 force_nr, u32 chan_id, > - unsigned int class) > + u32 force_nr, u32 chan_id) > { > struct i2c_adapter *parent = muxc->parent; > struct i2c_mux_priv *priv; > @@ -340,14 +326,6 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > else > priv->adap.lock_ops = &i2c_parent_lock_ops; > > - /* Sanity check on class */ > - if (i2c_mux_parent_classes(parent) & class & ~I2C_CLASS_DEPRECATED) > - dev_err(&parent->dev, > - "Segment %d behind mux can't share classes with ancestors\n", > - chan_id); > - else > - priv->adap.class = class; > - > /* > * Try to populate the mux adapter's of_node, expands to > * nothing if !CONFIG_OF. > diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > index 24168e9f7..7aa6e795d 100644 > --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c > @@ -167,7 +167,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev) > } > > /* Actually add the mux adapter */ > - ret = i2c_mux_add_adapter(muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(muxc, 0, 0); > if (ret) > i2c_put_adapter(muxc->parent); > > diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c > index 0fbb33a3d..d6bbb8b68 100644 > --- a/drivers/i2c/muxes/i2c-mux-gpio.c > +++ b/drivers/i2c/muxes/i2c-mux-gpio.c > @@ -207,7 +207,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev) > for (i = 0; i < mux->data.n_values; i++) { > u32 nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; > > - ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0); > + ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i]); > if (ret) > goto add_adapter_failed; > } > diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c > index 8305661e1..10d63307b 100644 > --- a/drivers/i2c/muxes/i2c-mux-gpmux.c > +++ b/drivers/i2c/muxes/i2c-mux-gpmux.c > @@ -124,7 +124,7 @@ static int i2c_mux_probe(struct platform_device *pdev) > goto err_children; > } > > - ret = i2c_mux_add_adapter(muxc, 0, chan, 0); > + ret = i2c_mux_add_adapter(muxc, 0, chan); > if (ret) > goto err_children; > } > diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c > index 23766d853..19a7c3709 100644 > --- a/drivers/i2c/muxes/i2c-mux-ltc4306.c > +++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c > @@ -279,7 +279,7 @@ static int ltc4306_probe(struct i2c_client *client) > > /* Now create an adapter for each channel */ > for (num = 0; num < chip->nchans; num++) { > - ret = i2c_mux_add_adapter(muxc, 0, num, 0); > + ret = i2c_mux_add_adapter(muxc, 0, num); > if (ret) { > i2c_mux_del_adapters(muxc); > return ret; > diff --git a/drivers/i2c/muxes/i2c-mux-mlxcpld.c b/drivers/i2c/muxes/i2c-mux-mlxcpld.c > index 4c6ed1d58..3f06aa333 100644 > --- a/drivers/i2c/muxes/i2c-mux-mlxcpld.c > +++ b/drivers/i2c/muxes/i2c-mux-mlxcpld.c > @@ -154,7 +154,7 @@ static int mlxcpld_mux_probe(struct platform_device *pdev) > > /* Create an adapter for each channel. */ > for (num = 0; num < pdata->num_adaps; num++) { > - err = i2c_mux_add_adapter(muxc, 0, pdata->chan_ids[num], 0); > + err = i2c_mux_add_adapter(muxc, 0, pdata->chan_ids[num]); > if (err) > goto virt_reg_failed; > } > diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c > index ce0fb6924..e28694d99 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca9541.c > +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c > @@ -314,7 +314,7 @@ static int pca9541_probe(struct i2c_client *client) > > i2c_set_clientdata(client, muxc); > > - ret = i2c_mux_add_adapter(muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(muxc, 0, 0); > if (ret) > return ret; > > diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c > index c3f4ff08a..6f8401825 100644 > --- a/drivers/i2c/muxes/i2c-mux-pca954x.c > +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c > @@ -644,7 +644,7 @@ static int pca954x_probe(struct i2c_client *client) > > /* Now create an adapter for each channel */ > for (num = 0; num < data->chip->nchans; num++) { > - ret = i2c_mux_add_adapter(muxc, 0, num, 0); > + ret = i2c_mux_add_adapter(muxc, 0, num); > if (ret) > goto fail_cleanup; > } > diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c > index 6ebca7bfd..02aaf0781 100644 > --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c > +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c > @@ -151,7 +151,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev) > > /* Do not add any adapter for the idle state (if it's there at all). */ > for (i = 0; i < num_names - !!muxc->deselect; i++) { > - ret = i2c_mux_add_adapter(muxc, 0, i, 0); > + ret = i2c_mux_add_adapter(muxc, 0, i); > if (ret) > goto err_del_adapter; > } > diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c > index 8489971ba..ef765fcd3 100644 > --- a/drivers/i2c/muxes/i2c-mux-reg.c > +++ b/drivers/i2c/muxes/i2c-mux-reg.c > @@ -213,7 +213,7 @@ static int i2c_mux_reg_probe(struct platform_device *pdev) > for (i = 0; i < mux->data.n_values; i++) { > nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; > > - ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0); > + ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i]); > if (ret) > goto err_del_mux_adapters; > } > diff --git a/drivers/iio/gyro/mpu3050-i2c.c b/drivers/iio/gyro/mpu3050-i2c.c > index 52b6feed2..29ecfa6fd 100644 > --- a/drivers/iio/gyro/mpu3050-i2c.c > +++ b/drivers/iio/gyro/mpu3050-i2c.c > @@ -72,7 +72,7 @@ static int mpu3050_i2c_probe(struct i2c_client *client) > else { > mpu3050->i2cmux->priv = mpu3050; > /* Ignore failure, not critical */ > - i2c_mux_add_adapter(mpu3050->i2cmux, 0, 0, 0); > + i2c_mux_add_adapter(mpu3050->i2cmux, 0, 0); > } > > return 0; > diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > index 410ea39fd..0e03137fb 100644 > --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c > @@ -142,7 +142,7 @@ static int inv_mpu_probe(struct i2c_client *client) > if (!st->muxc) > return -ENOMEM; > st->muxc->priv = dev_get_drvdata(&client->dev); > - result = i2c_mux_add_adapter(st->muxc, 0, 0, 0); > + result = i2c_mux_add_adapter(st->muxc, 0, 0); > if (result) > return result; > result = inv_mpu_acpi_create_mux_client(client); > diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c > index a829c8979..5afdbe244 100644 > --- a/drivers/media/dvb-frontends/af9013.c > +++ b/drivers/media/dvb-frontends/af9013.c > @@ -1480,7 +1480,7 @@ static int af9013_probe(struct i2c_client *client) > goto err_regmap_exit; > } > state->muxc->priv = state; > - ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(state->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c > index 263887592..91c71b24c 100644 > --- a/drivers/media/dvb-frontends/lgdt3306a.c > +++ b/drivers/media/dvb-frontends/lgdt3306a.c > @@ -2203,7 +2203,7 @@ static int lgdt3306a_probe(struct i2c_client *client) > goto err_kfree; > } > state->muxc->priv = client; > - ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(state->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c > index e0272054f..6c69bcc7a 100644 > --- a/drivers/media/dvb-frontends/m88ds3103.c > +++ b/drivers/media/dvb-frontends/m88ds3103.c > @@ -1866,7 +1866,7 @@ static int m88ds3103_probe(struct i2c_client *client) > goto err_kfree; > } > dev->muxc->priv = dev; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c > index 35c969fd2..30d10fe4b 100644 > --- a/drivers/media/dvb-frontends/rtl2830.c > +++ b/drivers/media/dvb-frontends/rtl2830.c > @@ -838,7 +838,7 @@ static int rtl2830_probe(struct i2c_client *client) > goto err_regmap_exit; > } > dev->muxc->priv = client; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c > index 601cf45c3..5142820b1 100644 > --- a/drivers/media/dvb-frontends/rtl2832.c > +++ b/drivers/media/dvb-frontends/rtl2832.c > @@ -1082,7 +1082,7 @@ static int rtl2832_probe(struct i2c_client *client) > goto err_regmap_exit; > } > dev->muxc->priv = dev; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_regmap_exit; > > diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c > index dae1f2153..26828fd41 100644 > --- a/drivers/media/dvb-frontends/si2168.c > +++ b/drivers/media/dvb-frontends/si2168.c > @@ -744,7 +744,7 @@ static int si2168_probe(struct i2c_client *client) > goto err_kfree; > } > dev->muxc->priv = client; > - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); > + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); > if (ret) > goto err_kfree; > > diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c > index d685d445c..dfcb3fc03 100644 > --- a/drivers/media/i2c/max9286.c > +++ b/drivers/media/i2c/max9286.c > @@ -383,7 +383,7 @@ static int max9286_i2c_mux_init(struct max9286_priv *priv) > for_each_source(priv, source) { > unsigned int index = to_index(priv, source); > > - ret = i2c_mux_add_adapter(priv->mux, 0, index, 0); > + ret = i2c_mux_add_adapter(priv->mux, 0, index); > if (ret < 0) > goto error; > } > diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c > index c6659253c..6da8e7943 100644 > --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c > +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c > @@ -567,10 +567,7 @@ int cx231xx_i2c_mux_create(struct cx231xx *dev) > > int cx231xx_i2c_mux_register(struct cx231xx *dev, int mux_no) > { > - return i2c_mux_add_adapter(dev->muxc, > - 0, > - mux_no /* chan_id */, > - 0 /* class */); > + return i2c_mux_add_adapter(dev->muxc, 0, mux_no); > } > > void cx231xx_i2c_mux_unregister(struct cx231xx *dev) > diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c > index 6b5c36b6a..c8ee866d7 100644 > --- a/drivers/of/unittest.c > +++ b/drivers/of/unittest.c > @@ -2815,7 +2815,7 @@ static int unittest_i2c_mux_probe(struct i2c_client *client) > if (!muxc) > return -ENOMEM; > for (i = 0; i < nchans; i++) { > - if (i2c_mux_add_adapter(muxc, 0, i, 0)) { > + if (i2c_mux_add_adapter(muxc, 0, i)) { > dev_err(dev, "Failed to register mux #%d\n", i); > i2c_mux_del_adapters(muxc); > return -ENODEV; > diff --git a/include/linux/i2c-mux.h b/include/linux/i2c-mux.h > index 98ef73b7c..1784ac7af 100644 > --- a/include/linux/i2c-mux.h > +++ b/include/linux/i2c-mux.h > @@ -56,8 +56,7 @@ struct i2c_adapter *i2c_root_adapter(struct device *dev); > * callback functions to perform hardware-specific mux control. > */ > int i2c_mux_add_adapter(struct i2c_mux_core *muxc, > - u32 force_nr, u32 chan_id, > - unsigned int class); > + u32 force_nr, u32 chan_id); > > void i2c_mux_del_adapters(struct i2c_mux_core *muxc); >
On Thu, Apr 18, 2024 at 10:55:39PM +0200, Heiner Kallweit wrote: > 99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device > instantiation") removed the last call to i2c_mux_add_adapter() with a > non-null class argument. Therefore the class argument can be removed. > > Note: Class-based device instantiation is a legacy mechanism which > shouldn't be used in new code, so we can rule out that this argument > may be needed again in the future. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> > --- > drivers/gpu/drm/bridge/sii902x.c | 2 +- > drivers/i2c/i2c-mux.c | 24 +--------------------- > drivers/i2c/muxes/i2c-arb-gpio-challenge.c | 2 +- > drivers/i2c/muxes/i2c-mux-gpio.c | 2 +- > drivers/i2c/muxes/i2c-mux-gpmux.c | 2 +- > drivers/i2c/muxes/i2c-mux-ltc4306.c | 2 +- > drivers/i2c/muxes/i2c-mux-mlxcpld.c | 2 +- > drivers/i2c/muxes/i2c-mux-pca9541.c | 2 +- > drivers/i2c/muxes/i2c-mux-pca954x.c | 2 +- > drivers/i2c/muxes/i2c-mux-pinctrl.c | 2 +- > drivers/i2c/muxes/i2c-mux-reg.c | 2 +- > drivers/iio/gyro/mpu3050-i2c.c | 2 +- > drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 2 +- > drivers/media/dvb-frontends/af9013.c | 2 +- > drivers/media/dvb-frontends/lgdt3306a.c | 2 +- > drivers/media/dvb-frontends/m88ds3103.c | 2 +- > drivers/media/dvb-frontends/rtl2830.c | 2 +- > drivers/media/dvb-frontends/rtl2832.c | 2 +- > drivers/media/dvb-frontends/si2168.c | 2 +- > drivers/media/i2c/max9286.c | 2 +- > drivers/media/usb/cx231xx/cx231xx-i2c.c | 5 +---- > drivers/of/unittest.c | 2 +- Acked-by: Rob Herring (Arm) <robh@kernel.org> > include/linux/i2c-mux.h | 3 +-- > 23 files changed, 23 insertions(+), 49 deletions(-)
On Thu, Apr 18, 2024 at 10:55:39PM +0200, Heiner Kallweit wrote: > 99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device > instantiation") removed the last call to i2c_mux_add_adapter() with a > non-null class argument. Therefore the class argument can be removed. > > Note: Class-based device instantiation is a legacy mechanism which > shouldn't be used in new code, so we can rule out that this argument > may be needed again in the future. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> For the record, I will apply this patch once Andi sends me his pull request because there is a dependency in there.
On Thu, Apr 18, 2024 at 10:55:39PM +0200, Heiner Kallweit wrote: > 99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device > instantiation") removed the last call to i2c_mux_add_adapter() with a > non-null class argument. Therefore the class argument can be removed. > > Note: Class-based device instantiation is a legacy mechanism which > shouldn't be used in new code, so we can rule out that this argument > may be needed again in the future. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Applied to for-next (meaning for 6.10), thanks!
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index 8f84e9824..2fbeda902 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -1092,7 +1092,7 @@ static int sii902x_init(struct sii902x *sii902x) } sii902x->i2cmux->priv = sii902x; - ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0, 0); + ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0); if (ret) goto err_unreg_audio; diff --git a/drivers/i2c/i2c-mux.c b/drivers/i2c/i2c-mux.c index 57ff09f18..fda72e8be 100644 --- a/drivers/i2c/i2c-mux.c +++ b/drivers/i2c/i2c-mux.c @@ -127,19 +127,6 @@ static u32 i2c_mux_functionality(struct i2c_adapter *adap) return parent->algo->functionality(parent); } -/* Return all parent classes, merged */ -static unsigned int i2c_mux_parent_classes(struct i2c_adapter *parent) -{ - unsigned int class = 0; - - do { - class |= parent->class; - parent = i2c_parent_is_i2c_adapter(parent); - } while (parent); - - return class; -} - static void i2c_mux_lock_bus(struct i2c_adapter *adapter, unsigned int flags) { struct i2c_mux_priv *priv = adapter->algo_data; @@ -281,8 +268,7 @@ static const struct i2c_lock_operations i2c_parent_lock_ops = { }; int i2c_mux_add_adapter(struct i2c_mux_core *muxc, - u32 force_nr, u32 chan_id, - unsigned int class) + u32 force_nr, u32 chan_id) { struct i2c_adapter *parent = muxc->parent; struct i2c_mux_priv *priv; @@ -340,14 +326,6 @@ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, else priv->adap.lock_ops = &i2c_parent_lock_ops; - /* Sanity check on class */ - if (i2c_mux_parent_classes(parent) & class & ~I2C_CLASS_DEPRECATED) - dev_err(&parent->dev, - "Segment %d behind mux can't share classes with ancestors\n", - chan_id); - else - priv->adap.class = class; - /* * Try to populate the mux adapter's of_node, expands to * nothing if !CONFIG_OF. diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c index 24168e9f7..7aa6e795d 100644 --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c @@ -167,7 +167,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev) } /* Actually add the mux adapter */ - ret = i2c_mux_add_adapter(muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(muxc, 0, 0); if (ret) i2c_put_adapter(muxc->parent); diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index 0fbb33a3d..d6bbb8b68 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -207,7 +207,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev) for (i = 0; i < mux->data.n_values; i++) { u32 nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; - ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0); + ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i]); if (ret) goto add_adapter_failed; } diff --git a/drivers/i2c/muxes/i2c-mux-gpmux.c b/drivers/i2c/muxes/i2c-mux-gpmux.c index 8305661e1..10d63307b 100644 --- a/drivers/i2c/muxes/i2c-mux-gpmux.c +++ b/drivers/i2c/muxes/i2c-mux-gpmux.c @@ -124,7 +124,7 @@ static int i2c_mux_probe(struct platform_device *pdev) goto err_children; } - ret = i2c_mux_add_adapter(muxc, 0, chan, 0); + ret = i2c_mux_add_adapter(muxc, 0, chan); if (ret) goto err_children; } diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c index 23766d853..19a7c3709 100644 --- a/drivers/i2c/muxes/i2c-mux-ltc4306.c +++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c @@ -279,7 +279,7 @@ static int ltc4306_probe(struct i2c_client *client) /* Now create an adapter for each channel */ for (num = 0; num < chip->nchans; num++) { - ret = i2c_mux_add_adapter(muxc, 0, num, 0); + ret = i2c_mux_add_adapter(muxc, 0, num); if (ret) { i2c_mux_del_adapters(muxc); return ret; diff --git a/drivers/i2c/muxes/i2c-mux-mlxcpld.c b/drivers/i2c/muxes/i2c-mux-mlxcpld.c index 4c6ed1d58..3f06aa333 100644 --- a/drivers/i2c/muxes/i2c-mux-mlxcpld.c +++ b/drivers/i2c/muxes/i2c-mux-mlxcpld.c @@ -154,7 +154,7 @@ static int mlxcpld_mux_probe(struct platform_device *pdev) /* Create an adapter for each channel. */ for (num = 0; num < pdata->num_adaps; num++) { - err = i2c_mux_add_adapter(muxc, 0, pdata->chan_ids[num], 0); + err = i2c_mux_add_adapter(muxc, 0, pdata->chan_ids[num]); if (err) goto virt_reg_failed; } diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c index ce0fb6924..e28694d99 100644 --- a/drivers/i2c/muxes/i2c-mux-pca9541.c +++ b/drivers/i2c/muxes/i2c-mux-pca9541.c @@ -314,7 +314,7 @@ static int pca9541_probe(struct i2c_client *client) i2c_set_clientdata(client, muxc); - ret = i2c_mux_add_adapter(muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(muxc, 0, 0); if (ret) return ret; diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index c3f4ff08a..6f8401825 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -644,7 +644,7 @@ static int pca954x_probe(struct i2c_client *client) /* Now create an adapter for each channel */ for (num = 0; num < data->chip->nchans; num++) { - ret = i2c_mux_add_adapter(muxc, 0, num, 0); + ret = i2c_mux_add_adapter(muxc, 0, num); if (ret) goto fail_cleanup; } diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index 6ebca7bfd..02aaf0781 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -151,7 +151,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev) /* Do not add any adapter for the idle state (if it's there at all). */ for (i = 0; i < num_names - !!muxc->deselect; i++) { - ret = i2c_mux_add_adapter(muxc, 0, i, 0); + ret = i2c_mux_add_adapter(muxc, 0, i); if (ret) goto err_del_adapter; } diff --git a/drivers/i2c/muxes/i2c-mux-reg.c b/drivers/i2c/muxes/i2c-mux-reg.c index 8489971ba..ef765fcd3 100644 --- a/drivers/i2c/muxes/i2c-mux-reg.c +++ b/drivers/i2c/muxes/i2c-mux-reg.c @@ -213,7 +213,7 @@ static int i2c_mux_reg_probe(struct platform_device *pdev) for (i = 0; i < mux->data.n_values; i++) { nr = mux->data.base_nr ? (mux->data.base_nr + i) : 0; - ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i], 0); + ret = i2c_mux_add_adapter(muxc, nr, mux->data.values[i]); if (ret) goto err_del_mux_adapters; } diff --git a/drivers/iio/gyro/mpu3050-i2c.c b/drivers/iio/gyro/mpu3050-i2c.c index 52b6feed2..29ecfa6fd 100644 --- a/drivers/iio/gyro/mpu3050-i2c.c +++ b/drivers/iio/gyro/mpu3050-i2c.c @@ -72,7 +72,7 @@ static int mpu3050_i2c_probe(struct i2c_client *client) else { mpu3050->i2cmux->priv = mpu3050; /* Ignore failure, not critical */ - i2c_mux_add_adapter(mpu3050->i2cmux, 0, 0, 0); + i2c_mux_add_adapter(mpu3050->i2cmux, 0, 0); } return 0; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c index 410ea39fd..0e03137fb 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c @@ -142,7 +142,7 @@ static int inv_mpu_probe(struct i2c_client *client) if (!st->muxc) return -ENOMEM; st->muxc->priv = dev_get_drvdata(&client->dev); - result = i2c_mux_add_adapter(st->muxc, 0, 0, 0); + result = i2c_mux_add_adapter(st->muxc, 0, 0); if (result) return result; result = inv_mpu_acpi_create_mux_client(client); diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c index a829c8979..5afdbe244 100644 --- a/drivers/media/dvb-frontends/af9013.c +++ b/drivers/media/dvb-frontends/af9013.c @@ -1480,7 +1480,7 @@ static int af9013_probe(struct i2c_client *client) goto err_regmap_exit; } state->muxc->priv = state; - ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(state->muxc, 0, 0); if (ret) goto err_regmap_exit; diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c index 263887592..91c71b24c 100644 --- a/drivers/media/dvb-frontends/lgdt3306a.c +++ b/drivers/media/dvb-frontends/lgdt3306a.c @@ -2203,7 +2203,7 @@ static int lgdt3306a_probe(struct i2c_client *client) goto err_kfree; } state->muxc->priv = client; - ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(state->muxc, 0, 0); if (ret) goto err_kfree; diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index e0272054f..6c69bcc7a 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -1866,7 +1866,7 @@ static int m88ds3103_probe(struct i2c_client *client) goto err_kfree; } dev->muxc->priv = dev; - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); if (ret) goto err_kfree; diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index 35c969fd2..30d10fe4b 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -838,7 +838,7 @@ static int rtl2830_probe(struct i2c_client *client) goto err_regmap_exit; } dev->muxc->priv = client; - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); if (ret) goto err_regmap_exit; diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 601cf45c3..5142820b1 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -1082,7 +1082,7 @@ static int rtl2832_probe(struct i2c_client *client) goto err_regmap_exit; } dev->muxc->priv = dev; - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); if (ret) goto err_regmap_exit; diff --git a/drivers/media/dvb-frontends/si2168.c b/drivers/media/dvb-frontends/si2168.c index dae1f2153..26828fd41 100644 --- a/drivers/media/dvb-frontends/si2168.c +++ b/drivers/media/dvb-frontends/si2168.c @@ -744,7 +744,7 @@ static int si2168_probe(struct i2c_client *client) goto err_kfree; } dev->muxc->priv = client; - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); if (ret) goto err_kfree; diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c index d685d445c..dfcb3fc03 100644 --- a/drivers/media/i2c/max9286.c +++ b/drivers/media/i2c/max9286.c @@ -383,7 +383,7 @@ static int max9286_i2c_mux_init(struct max9286_priv *priv) for_each_source(priv, source) { unsigned int index = to_index(priv, source); - ret = i2c_mux_add_adapter(priv->mux, 0, index, 0); + ret = i2c_mux_add_adapter(priv->mux, 0, index); if (ret < 0) goto error; } diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c index c6659253c..6da8e7943 100644 --- a/drivers/media/usb/cx231xx/cx231xx-i2c.c +++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c @@ -567,10 +567,7 @@ int cx231xx_i2c_mux_create(struct cx231xx *dev) int cx231xx_i2c_mux_register(struct cx231xx *dev, int mux_no) { - return i2c_mux_add_adapter(dev->muxc, - 0, - mux_no /* chan_id */, - 0 /* class */); + return i2c_mux_add_adapter(dev->muxc, 0, mux_no); } void cx231xx_i2c_mux_unregister(struct cx231xx *dev) diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index 6b5c36b6a..c8ee866d7 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -2815,7 +2815,7 @@ static int unittest_i2c_mux_probe(struct i2c_client *client) if (!muxc) return -ENOMEM; for (i = 0; i < nchans; i++) { - if (i2c_mux_add_adapter(muxc, 0, i, 0)) { + if (i2c_mux_add_adapter(muxc, 0, i)) { dev_err(dev, "Failed to register mux #%d\n", i); i2c_mux_del_adapters(muxc); return -ENODEV; diff --git a/include/linux/i2c-mux.h b/include/linux/i2c-mux.h index 98ef73b7c..1784ac7af 100644 --- a/include/linux/i2c-mux.h +++ b/include/linux/i2c-mux.h @@ -56,8 +56,7 @@ struct i2c_adapter *i2c_root_adapter(struct device *dev); * callback functions to perform hardware-specific mux control. */ int i2c_mux_add_adapter(struct i2c_mux_core *muxc, - u32 force_nr, u32 chan_id, - unsigned int class); + u32 force_nr, u32 chan_id); void i2c_mux_del_adapters(struct i2c_mux_core *muxc);
99a741aa7a2d ("i2c: mux: gpio: remove support for class-based device instantiation") removed the last call to i2c_mux_add_adapter() with a non-null class argument. Therefore the class argument can be removed. Note: Class-based device instantiation is a legacy mechanism which shouldn't be used in new code, so we can rule out that this argument may be needed again in the future. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- drivers/gpu/drm/bridge/sii902x.c | 2 +- drivers/i2c/i2c-mux.c | 24 +--------------------- drivers/i2c/muxes/i2c-arb-gpio-challenge.c | 2 +- drivers/i2c/muxes/i2c-mux-gpio.c | 2 +- drivers/i2c/muxes/i2c-mux-gpmux.c | 2 +- drivers/i2c/muxes/i2c-mux-ltc4306.c | 2 +- drivers/i2c/muxes/i2c-mux-mlxcpld.c | 2 +- drivers/i2c/muxes/i2c-mux-pca9541.c | 2 +- drivers/i2c/muxes/i2c-mux-pca954x.c | 2 +- drivers/i2c/muxes/i2c-mux-pinctrl.c | 2 +- drivers/i2c/muxes/i2c-mux-reg.c | 2 +- drivers/iio/gyro/mpu3050-i2c.c | 2 +- drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c | 2 +- drivers/media/dvb-frontends/af9013.c | 2 +- drivers/media/dvb-frontends/lgdt3306a.c | 2 +- drivers/media/dvb-frontends/m88ds3103.c | 2 +- drivers/media/dvb-frontends/rtl2830.c | 2 +- drivers/media/dvb-frontends/rtl2832.c | 2 +- drivers/media/dvb-frontends/si2168.c | 2 +- drivers/media/i2c/max9286.c | 2 +- drivers/media/usb/cx231xx/cx231xx-i2c.c | 5 +---- drivers/of/unittest.c | 2 +- include/linux/i2c-mux.h | 3 +-- 23 files changed, 23 insertions(+), 49 deletions(-)