[PATCH V3 3/5] ARM: tegra:add aliases and DMA requestor for serial nodes of Tegra114
Stephen Warren
swarren at wwwdotorg.org
Fri Mar 15 14:26:59 EDT 2013
On 03/13/2013 02:02 PM, Stephen Warren wrote:
> On 03/13/2013 01:49 PM, Laxman Dewangan wrote:
>> Add APB DMA requestor and serial aliases for serial controller.
>> There will be two serial driver i.e. 8250 based simple serial driver
>> and APB DMA based serial driver for higher baudrate and performace.
>>
>> The simple serial driver get enabled with compatible "nvidia,tegra114-uart",
>> "nvidia,tegra20-uart" and APB DMA based driver will get enabled with
>> compatible "nvidia,tegra114-hsuart", "nvidia,tegra30-hsuart".
>
>> + /*
>> + * There are two serial driver i.e. 8250 based simple serial
>> + * driver and APB DMA based serial driver for higher baudrate
>> + * and performace. To enable the 8250 based driver, the compatible
>> + * is "nvidia,tegra114-uart", "nvidia,tegra20-uart" and to enable
>> + * the APB DMA based serial driver, the comptible is
>> + * "nvidia,tegra114-hsuart", "nvidia,tegra30-hsuart".
>> + */
>
> Again, that text says you want either of:
>
> compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
> compatible = "nvidia,tegra114-hsuart", "nvidia,tegra30-hsuart";
>
> (note Tegra20-vs-Tegra30 in the second compatible value)
>
> Why isn't it instead:
>
> compatible = "nvidia,tegra114-uart", "nvidia,tegra20-uart";
> compatible = "nvidia,tegra114-hsuart", "nvidia,tegra20-hsuart";
>
> (note both second compatible values say Tegra20)
>
> I assume this is a typo.
>
> I suppose I can fix this up when I apply it to avoid a resend, assuming
> it's wrong.
Since I haven't seen a reply to this, when I apply this, I'm going to
change the comment I quoted above to match the values I wrote above
under "why isn't it instead:".
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