Commit 9768af12 authored by Stefan Eichenberger's avatar Stefan Eichenberger Committed by Greg Kroah-Hartman
Browse files

usb: phy: generic: add suspend support for regulator 



Disable the vcc regulator on suspend and enable it on resume.

Signed-off-by: default avatarStefan Eichenberger <stefan.eichenberger@toradex.com>
Signed-off-by: default avatarFrancesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20231027122955.22123-1-francesco@dolcini.it


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5389b5d7

drivers/usb/phy/phy-generic.c

+10 −4
Original line number Diff line number Diff line
@@ -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)