Dear Shawn Guo, > Marek, > > On Tue, Apr 02, 2013 at 01:29:29AM +0200, Marek Vasut wrote: > > Slow down the I2C clock speed on M28 and SPS1 as it turns out the > > I2C block in i.MX28 can not operate stable enough with the bus > > running at 400kHz. Note that the driver used by Freescale runs > > the bus at 250kHz when 400kHz speed is selected, but the mainline > > Linux kernel runs the bus at actual 400kHz and that's where it is > > occasionally unstable. Play safe and run the bus at 100kHz. > > > > Signed-off-by: Marek Vasut <marex@xxxxxxx> > > You consider it a fix for 3.9 or just material for 3.10? Fix for 3.9 please. Best regards, Marek Vasut -- 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
