| Message ID | 20190302134735.4393-5-wsa+renesas@sang-engineering.com (mailing list archive) |
|---|---|
| State | RFC |
| Headers | show |
| Series | i2c: core: introduce atomic transfers | expand |
On Sat, Mar 02, 2019 at 02:47:32PM +0100, Wolfram Sang wrote: > If the parent has an atomic callback, we need to translate it the same > way as the non-atomic callback. > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> > --- > drivers/i2c/muxes/i2c-demux-pinctrl.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c > index 035032e20327..5d00adfbe578 100644 > --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c > +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c > @@ -99,6 +99,9 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne > > /* Now fill out current adapter structure. cur_chan must be up to date */ > priv->algo.master_xfer = i2c_demux_master_xfer; > + /* FIXME: regular muxes need proper handling, too! */ > + if (adap->algo->master_xfer_atomic) > + priv->algo.master_xfer_atomic = i2c_demux_master_xfer; > priv->algo.functionality = i2c_demux_functionality; > > snprintf(priv->cur_adap.name, sizeof(priv->cur_adap.name), > -- > 2.11.0 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index 035032e20327..5d00adfbe578 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -99,6 +99,9 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne /* Now fill out current adapter structure. cur_chan must be up to date */ priv->algo.master_xfer = i2c_demux_master_xfer; + /* FIXME: regular muxes need proper handling, too! */ + if (adap->algo->master_xfer_atomic) + priv->algo.master_xfer_atomic = i2c_demux_master_xfer; priv->algo.functionality = i2c_demux_functionality; snprintf(priv->cur_adap.name, sizeof(priv->cur_adap.name),
If the parent has an atomic callback, we need to translate it the same way as the non-atomic callback. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- drivers/i2c/muxes/i2c-demux-pinctrl.c | 3 +++ 1 file changed, 3 insertions(+)