On Mon, Jul 27, 2015 at 04:26:55PM +0800, Fugang Duan wrote: > For most of imx platforms, there have no DMA support for I2C bus. > So, by default, there is only cpu mode. > > The current driver to check whether there have DMA channel config in > dts file to judge whether it support DMA mode or not, if doesn't config > it print out "can't use DMA" for each bus during probe. > > kernel boot up log: > i2c i2c-0: IMX I2C adapter registered > i2c i2c-0: can't use DMA > i2c i2c-1: IMX I2C adapter registered > i2c i2c-1: can't use DMA > i2c i2c-2: IMX I2C adapter registered > i2c i2c-2: can't use DMA > i2c i2c-3: IMX I2C adapter registered > i2c i2c-3: can't use DMA Let's just drop this message. There is a success message when DMA is used which is good enough.
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