summaryrefslogtreecommitdiff
path: root/drivers/bluetooth/btmtksdio.c
diff options
context:
space:
mode:
authorSean Wang <sean.wang@mediatek.com>2021-12-02 02:02:47 +0800
committerMarcel Holtmann <marcel@holtmann.org>2021-12-03 22:09:59 +0100
commit561ae1d46a8ddcbc13162d5771f5ed6c8249e730 (patch)
tree4eaffca91b826cfcae90bebd4015a5c3d69a4119 /drivers/bluetooth/btmtksdio.c
parent4b4b2228f521c338030b1f310a5dee73fd7d8f26 (diff)
Bluetooth: btmtksdio: fix resume failure
btmtksdio have to rely on MMC_PM_KEEP_POWER in pm_flags to avoid that SDIO power is being shut off during the device is in suspend. That fixes the SDIO command fails to access the bus after the device is resumed. Fixes: 7f3c563c575e7 ("Bluetooth: btmtksdio: Add runtime PM support to SDIO based Bluetooth") Co-developed-by: Mark-yw Chen <mark-yw.chen@mediatek.com> Signed-off-by: Mark-yw Chen <mark-yw.chen@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btmtksdio.c')
-rw-r--r--drivers/bluetooth/btmtksdio.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/bluetooth/btmtksdio.c b/drivers/bluetooth/btmtksdio.c
index fc6317e519e9..143404745240 100644
--- a/drivers/bluetooth/btmtksdio.c
+++ b/drivers/bluetooth/btmtksdio.c
@@ -1065,6 +1065,8 @@ static int btmtksdio_runtime_suspend(struct device *dev)
if (!test_bit(BTMTKSDIO_FUNC_ENABLED, &bdev->tx_state))
return 0;
+ sdio_set_host_pm_flags(func, MMC_PM_KEEP_POWER);
+
sdio_claim_host(bdev->func);
sdio_writel(bdev->func, C_FW_OWN_REQ_SET, MTK_REG_CHLPCR, &err);