Message ID | 20180723202617.15230-5-wsa+renesas@sang-engineering.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | i2c: quirks: add zero length checks and update drivers | expand |
On Mon, Jul 23, 2018 at 10:26:08PM +0200, Wolfram Sang wrote: > And don't reimplement in the driver. > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Ping.
On 10/05/2018 07:24 AM, Wolfram Sang wrote: > On Mon, Jul 23, 2018 at 10:26:08PM +0200, Wolfram Sang wrote: >> And don't reimplement in the driver. >> >> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> > > Ping. > Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
* Grygorii Strashko <grygorii.strashko@ti.com> [181005 14:16]: > > > On 10/05/2018 07:24 AM, Wolfram Sang wrote: > > On Mon, Jul 23, 2018 at 10:26:08PM +0200, Wolfram Sang wrote: > > > And don't reimplement in the driver. > > > > > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> > > > > Ping. > > > > Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
On Mon, Jul 23, 2018 at 10:26:08PM +0200, Wolfram Sang wrote: > And don't reimplement in the driver. > > Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Applied to for-next, thanks!
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 65d06a819307..b1086bfb0465 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -661,9 +661,6 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap, dev_dbg(omap->dev, "addr: 0x%04x, len: %d, flags: 0x%x, stop: %d\n", msg->addr, msg->len, msg->flags, stop); - if (msg->len == 0) - return -EINVAL; - omap->receiver = !!(msg->flags & I2C_M_RD); omap_i2c_resize_fifo(omap, msg->len, omap->receiver); @@ -1179,6 +1176,10 @@ static const struct i2c_algorithm omap_i2c_algo = { .functionality = omap_i2c_func, }; +static const struct i2c_adapter_quirks omap_i2c_quirks = { + .flags = I2C_AQ_NO_ZERO_LEN, +}; + #ifdef CONFIG_OF static struct omap_i2c_bus_platform_data omap2420_pdata = { .rev = OMAP_I2C_IP_VERSION_1, @@ -1453,6 +1454,7 @@ omap_i2c_probe(struct platform_device *pdev) adap->class = I2C_CLASS_DEPRECATED; strlcpy(adap->name, "OMAP I2C adapter", sizeof(adap->name)); adap->algo = &omap_i2c_algo; + adap->quirks = &omap_i2c_quirks; adap->dev.parent = &pdev->dev; adap->dev.of_node = pdev->dev.of_node; adap->bus_recovery_info = &omap_i2c_bus_recovery_info;
And don't reimplement in the driver. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- Only build tested. drivers/i2c/busses/i2c-omap.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)