From: Stefan Eichenberger <stefan.eichenberger@xxxxxxxxxxx>
Disable the vcc regulator on suspend and enable it on resume.
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@xxxxxxxxxxx>
Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
---
drivers/usb/phy/phy-generic.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index 770081b828a4..9ab50f26db60 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -46,15 +46,21 @@ EXPORT_SYMBOL_GPL(usb_phy_generic_unregister);
static int nop_set_suspend(struct usb_phy *x, int suspend)
{
struct usb_phy_generic *nop = dev_get_drvdata(x->dev);
+ int ret = 0;
- if (!IS_ERR(nop->clk)) {
- if (suspend)
+ if (suspend) {
+ if (!IS_ERR(nop->clk))
clk_disable_unprepare(nop->clk);
- else
+ if (!IS_ERR(nop->vcc) && !device_may_wakeup(x->dev))
+ ret = regulator_disable(nop->vcc);
+ } else {
+ if (!IS_ERR(nop->vcc) && !device_may_wakeup(x->dev))
+ ret = regulator_enable(nop->vcc);
+ if (!IS_ERR(nop->clk))
clk_prepare_enable(nop->clk);
}
- return 0;
+ return ret;
}
static void nop_reset(struct usb_phy_generic *nop)
--
2.25.1
