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SubjectRe: [PATCH AUTOSEL 5.5 01/41] spi: spi-omap2-mcspi: Handle DMA size restriction on AM65x
On Mon, Mar 16, 2020 at 11:50:57AM +0000, Mark Brown wrote:
>On Sun, Mar 15, 2020 at 10:32:39PM -0400, Sasha Levin wrote:
>> From: Vignesh Raghavendra <vigneshr@ti.com>
>>
>> [ Upstream commit e4e8276a4f652be2c7bb783a0155d4adb85f5d7d ]
>>
>> On AM654, McSPI can only support 4K - 1 bytes per transfer when DMA is
>> enabled. Therefore populate master->max_transfer_size callback to
>> inform client drivers of this restriction when DMA channels are
>> available.
>
>As ever this only provides information to other drivers which may be
>buggy.

I'll drop it, thanks!

--
Thanks,
Sasha

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