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);
