| Message ID | 7da7852d8fc936c97a0fe4cd00c723e42b889c84.1638381385.git.objelf@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2,1/2] Bluetooth: Bluetooth: btmtksdio: handle runtime pm only when sdio_func is available | expand |
Hi Sean, > 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> > --- > v2: rebase and resend > --- > drivers/bluetooth/btmtksdio.c | 2 ++ > 1 file changed, 2 insertions(+) patch has been applied to bluetooth-next tree. Regards Marcel
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);