diff options
| author | Vijayavardhan Vennapusa <vvreddy@codeaurora.org> | 2017-06-21 12:40:13 +0530 |
|---|---|---|
| committer | Vijayavardhan Vennapusa <vvreddy@codeaurora.org> | 2017-06-21 12:40:13 +0530 |
| commit | 1b358a8e1b7c4f52415a9e33df1d13889be47ab3 (patch) | |
| tree | c64678dbd1c88e7a0a9c5592e171918442ff59ef | |
| parent | 85baaeb2e2d0e7c67bf4e5cc22d15e173d01b209 (diff) | |
USB: phy-msm-qusb: Enable autoresume only when device is connected
Currently driver is enabling autoresume feature even if no device is
connected which is not required. Hence enable auto resume only when
any HS/FS/LS devices are connected during bus suspend.
Change-Id: I8150a571e11ccc128298fe75acef21ffe9b08a9a
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>
| -rw-r--r-- | drivers/usb/phy/phy-msm-qusb.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/usb/phy/phy-msm-qusb.c b/drivers/usb/phy/phy-msm-qusb.c index 6a2529ec1511..bd2722e8fc48 100644 --- a/drivers/usb/phy/phy-msm-qusb.c +++ b/drivers/usb/phy/phy-msm-qusb.c @@ -730,13 +730,15 @@ static int qusb_phy_set_suspend(struct usb_phy *phy, int suspend) writel_relaxed(intr_mask, qphy->base + QUSB2PHY_PORT_INTR_CTRL); - /* enable phy auto-resume */ - writel_relaxed(0x0C, + if (linestate & (LINESTATE_DP | LINESTATE_DM)) { + /* enable phy auto-resume */ + writel_relaxed(0x0C, qphy->base + QUSB2PHY_PORT_TEST_CTRL); - /* flush the previous write before next write */ - wmb(); - writel_relaxed(0x04, - qphy->base + QUSB2PHY_PORT_TEST_CTRL); + /* flush the previous write before next write */ + wmb(); + writel_relaxed(0x04, + qphy->base + QUSB2PHY_PORT_TEST_CTRL); + } dev_dbg(phy->dev, "%s: intr_mask = %x\n", |