[PATCH 3/5] ARM: dts: imx6: rename the uart's compatible property
Huang Shijie
b32955 at freescale.com
Tue Jul 2 06:43:13 EDT 2013
于 2013年07月02日 17:56, Mark Rutland 写道:
> On Tue, Jul 02, 2013 at 07:30:26AM +0100, Huang Shijie wrote:
>> > The imx6 uart can supports the DMA, imx uart driver has added a new
>> > compatible property for the imx6 uart.
>> >
>> > In order to enable the DMA for some uart port in imx6, we rename the
>> > uart's compatible property to "fsl,imx6-uart".
> Doesn't this change break using these dts with an older kernel? You
is it reasonable to use a new dts with an old kernel?
> remove the "fsl,imx21-uart" string older kernels understand.
>
> Given you already had "fsl,imx6q-uart" and "fsl,imx6sl-uart" strings,
> would it not have made more sense to just add these to the driver?
I think it's not a good idea.
Shawn, what's your opinion about this?
thanks
Huang Shijie
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