This is a note to let you know that I've just added the patch titled mt76: mt7663s: fix resume failure to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: mt76-mt7663s-fix-resume-failure.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 29c6d2523d30ddcc994cae02930d77ec82fa0f7b Author: Sean Wang <sean.wang@xxxxxxxxxxxx> Date: Fri Aug 14 05:49:47 2020 +0800 mt76: mt7663s: fix resume failure [ Upstream commit 8b7c6e1cb2cb1d4e2ee94556695d80dde6ccdcc6 ] MT7663s have to rely on MMC_PM_KEEP_POWER in pm_flags for to avoid SDIO power is being shut off. To fix sdio access failure like "mt7663s mmc1:0001:1: sdio write failed: -22" for the first sdio command to access the bus in the resume handler. Fixes: a66cbdd6573d ("mt76: mt7615: introduce mt7663s support") Co-developed-by: YN Chen <YN.Chen@xxxxxxxxxxxx> Signed-off-by: YN Chen <YN.Chen@xxxxxxxxxxxx> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx> Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/sdio.c b/drivers/net/wireless/mediatek/mt76/mt7615/sdio.c index dabce51117b0a..57d60876db544 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/sdio.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/sdio.c @@ -426,6 +426,8 @@ static int mt7663s_suspend(struct device *dev) return err; } + sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER); + mt76s_stop_txrx(&mdev->mt76); return mt7663s_firmware_own(mdev);