On 8/6/21 1:17 AM, Greg Kroah-Hartman wrote:
From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> This reverts commit 09b8cc7810587257e5f82080884001301e1a1ba9 which is commit 3a70dd2d050331ee4cf5ad9d5c0a32d83ead9a43 upstream. It has been found to have problems. Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx> Cc: Peter Hess <peter.hess@xxxxxxxxxx> Cc: Frank Wunderlich <frank-w@xxxxxxxxxxxxxxx> Cc: Mark Brown <broonie@xxxxxxxxxx> Cc: Sasha Levin <sashal@xxxxxxxxxx> Link: https://lore.kernel.org/r/efee3a58-a4d2-af22-0931-e81b877ab539@xxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
The problem with the reverted patch has now been fixed in the mainline kernel with commit 0d5c3954b35e ("spi: mediatek: Fix fifo transfer"). So an alternative to this revert might be to apply commit 0d5c3954b35e instead. Thanks, Guenter