On 13.03.2012 18:27, Tomasz Stanislawski wrote: > Hi Karol, > Please refer to comments below, > > Regards, > Tomasz Stanislawski > > On 03/13/2012 05:54 PM, Karol Lewandowski wrote: >> This patch adds support for s3c2440 I2C bus controller dedicated HDMIPHY device on >> Exynos4 platform. Some quirks are introduced due to differences between HDMIPHY >> and other I2C controllers on Exynos4. These differences are: >> - no GPIOs, HDMIPHY is inside the SoC and the controller is connected >> internally >> - due to unknown reason (probably HW bug in HDMIPHY and/or the controller) a >> transfer fails to finish. The controller hangs after sending the last byte, >> the workaround for this bug is resetting the controller after each transfer >> >> Signed-off-by: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx> >> Signed-off-by: Karol Lewandowski <k.lewandowsk@xxxxxxxxxxx> >> Tested-by: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx> >> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> >> --- >> .../devicetree/bindings/i2c/samsung-i2c.txt | 10 ++++- >> drivers/i2c/busses/i2c-s3c2410.c | 36 ++++++++++++++++++++ >> 2 files changed, 44 insertions(+), 2 deletions(-) >> > [snip] >> @@ -871,6 +896,14 @@ s3c24xx_i2c_parse_dt(struct device_node *np, struct s3c24xx_i2c *i2c) >> return; >> >> pdata->bus_num = -1; /* i2c bus number is dynamically assigned */ >> + >> + if (s3c24xx_i2c_is_type(i2c, TYPE_S3C2440) && > > I think that type checking should be removed because hdmiphy quirk is something > orthogonal to the controller type. Ok, I'll drop this test and resend patch in a minute. Thanks! -- Karol Lewandowski | Samsung Poland R&D Center | Linux/Platform -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html