diff options
Diffstat (limited to 'target/linux/generic/backport-4.14/030-v4.17-0002-usb-dwc2-dwc2_vbus_supply_init-fix-error-check.patch')
| -rw-r--r-- | target/linux/generic/backport-4.14/030-v4.17-0002-usb-dwc2-dwc2_vbus_supply_init-fix-error-check.patch | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/target/linux/generic/backport-4.14/030-v4.17-0002-usb-dwc2-dwc2_vbus_supply_init-fix-error-check.patch b/target/linux/generic/backport-4.14/030-v4.17-0002-usb-dwc2-dwc2_vbus_supply_init-fix-error-check.patch deleted file mode 100644 index 02b61fe84f..0000000000 --- a/target/linux/generic/backport-4.14/030-v4.17-0002-usb-dwc2-dwc2_vbus_supply_init-fix-error-check.patch +++ /dev/null @@ -1,55 +0,0 @@ -From 438fea2a6325933868aebc20279e2669c9a21207 Mon Sep 17 00:00:00 2001 -From: Tomeu Vizoso <tomeu.vizoso@collabora.com> -Date: Mon, 26 Mar 2018 11:00:01 +0200 -Subject: [PATCH] usb: dwc2: dwc2_vbus_supply_init: fix error check - -devm_regulator_get_optional returns -ENODEV if the regulator isn't -there, so if that's the case we have to make sure not to leave -ENODEV -in the regulator pointer. - -Also, make sure we return 0 in that case, but correctly propagate any -other errors. Also propagate the error from _dwc2_hcd_start. - -Fixes: 531ef5ebea96 ("usb: dwc2: add support for host mode external vbus supply") -Cc: Amelie Delaunay <amelie.delaunay@st.com> -Reviewed-by: Amelie Delaunay <amelie.delaunay@st.com> -Reviewed-by: Heiko Stuebner <heiko@sntech.de> -Reviewed-by: Grigor Tovmasyan <tovmasya@synopsys.com> -Tested-by: Heiko Stuebner <heiko@sntech.de> -Acked-by: Minas Harutyunyan <hminas@synopsys.com> -Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> -Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> ---- - drivers/usb/dwc2/hcd.c | 13 ++++++++----- - 1 file changed, 8 insertions(+), 5 deletions(-) - ---- a/drivers/usb/dwc2/hcd.c -+++ b/drivers/usb/dwc2/hcd.c -@@ -361,9 +361,14 @@ static void dwc2_gusbcfg_init(struct dwc - - static int dwc2_vbus_supply_init(struct dwc2_hsotg *hsotg) - { -+ int ret; -+ - hsotg->vbus_supply = devm_regulator_get_optional(hsotg->dev, "vbus"); -- if (IS_ERR(hsotg->vbus_supply)) -- return 0; -+ if (IS_ERR(hsotg->vbus_supply)) { -+ ret = PTR_ERR(hsotg->vbus_supply); -+ hsotg->vbus_supply = NULL; -+ return ret == -ENODEV ? 0 : ret; -+ } - - return regulator_enable(hsotg->vbus_supply); - } -@@ -4474,9 +4479,7 @@ static int _dwc2_hcd_start(struct usb_hc - - spin_unlock_irqrestore(&hsotg->lock, flags); - -- dwc2_vbus_supply_init(hsotg); -- -- return 0; -+ return dwc2_vbus_supply_init(hsotg); - } - - /* |