Add clock enable/disable at .set_suspend if the PHY has
suspend requirement, it can be benefit of power saving for
phy and the whole system (parent clock may also be disabled).
Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
---
drivers/usb/phy/phy-generic.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/phy/phy-generic.c b/drivers/usb/phy/phy-generic.c
index aa6d37b..4b20a97 100644
--- a/drivers/usb/phy/phy-generic.c
+++ b/drivers/usb/phy/phy-generic.c
@@ -65,6 +65,16 @@ EXPORT_SYMBOL(usb_nop_xceiv_unregister);
static int nop_set_suspend(struct usb_phy *x, int suspend)
{
+ struct usb_phy_gen_xceiv *nop = dev_get_drvdata(x->dev);
+
+ if (IS_ERR(nop->clk))
+ return 0;
+
+ if (suspend)
+ clk_disable_unprepare(nop->clk);
+ else
+ clk_prepare_enable(nop->clk);
+
return 0;
}
--
1.7.8
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