usb: ehci-mx5: Use regulator_set_enable_if_allowed
With the commit 4fcba5d556b4 ("regulator: implement basic reference
counter") the return value of regulator_set_enable may be EALREADY or
EBUSY for fixed/gpio regulators.
Change to use the more relaxed regulator_set_enable_if_allowed to
continue if regulator already was enabled or disabled.
Based on 335799b7252a ("usb: dwc2: Use regulator_set_enable_if_allowed")
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
diff --git a/drivers/usb/host/ehci-mx5.c b/drivers/usb/host/ehci-mx5.c
index d8f521b..1392d29 100644
--- a/drivers/usb/host/ehci-mx5.c
+++ b/drivers/usb/host/ehci-mx5.c
@@ -287,9 +287,9 @@
debug("%s: No vbus supply\n", dev->name);
if (!ret && priv->vbus_supply) {
- ret = regulator_set_enable(priv->vbus_supply,
- (type == USB_INIT_DEVICE) ?
- false : true);
+ ret = regulator_set_enable_if_allowed(priv->vbus_supply,
+ (type == USB_INIT_DEVICE) ?
+ false : true);
if (ret) {
puts("Error enabling VBUS supply\n");
return ret;