Re: [PATCH v2 3/7] tty: serial: Limit msm_serial_hs driver to platformsthat use it

From: Stephen Boyd
Date: Thu Jan 02 2014 - 15:20:31 EST

On 01/02/14 10:10, Arnd Bergmann wrote:
> On Monday 30 December 2013, Stephen Boyd wrote:
>> The msm_serial_hs driver uses mach specific dma APIs. This is not
>> compatible with the multi-platform ARM effort. Let's only compile
>> this driver on MSM devices that are prepared to support it;
>> allowing the DT based MSM devices to enter the multi-platform ARM
>> build.
>> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>> Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> Do you have a plan to deal with this in the future? Aren't you going
> to need it in the future on modern SoCs?

Yes, we plan to add the code for dma based serial devices into the
msm_serial.c driver. In the process we'll use the linux DMA apis instead
of using mach specific ones.

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