On Sun, Mar 15, 2020 at 10:32:39PM -0400, Sasha Levin wrote: > From: Vignesh Raghavendra <vigneshr@xxxxxx> > > [ 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.
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