[PATCH] mtd: rawnand: qcom: Fix DMA sync on FLASH_STATUS register read

[Miquel Raynal]

On Fri, 2020-10-09 at 08:07:52 UTC, Praveenkumar I wrote:
> After each codeword NAND_FLASH_STATUS is read for possible operational
> failures. But there is no DMA sync for CPU operation before reading it
> and this leads to incorrect or older copy of DMA buffer in reg_read_buf.
> 
> This patch adds the DMA sync on reg_read_buf for CPU before reading it.
> 
> Fixes: 5bc36b2bf6e2 ("mtd: rawnand: qcom: check for operation errors in case of raw read")
> Signed-off-by: Praveenkumar I <ipkumar at codeaurora.org>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel