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authorMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-05-10 07:19:23 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-05-10 07:19:23 -0400
commit71db1cd7ff4ea3b525ae7d9c97633ea281b7d981 (patch)
tree53ff3b8ecfc2869ec919e3423d69e07ddfaddd9a /drivers/usb/dwc2/hcd.c
parent7d95fb746c4eece67308f1642a666ea1ebdbd2cc (diff)
parent75bc37fefc4471e718ba8e651aa74673d4e0a9eb (diff)
downloadlinux-71db1cd7ff4ea3b525ae7d9c97633ea281b7d981.tar.bz2
Merge tag 'v4.17-rc4' into patchwork
Linux 4.17-rc4 * tag 'v4.17-rc4': (920 commits) Linux 4.17-rc4 KVM: x86: remove APIC Timer periodic/oneshot spikes genksyms: fix typo in parse.tab.{c,h} generation rules kbuild: replace hardcoded bison in cmd_bison_h with $(YACC) gcc-plugins: fix build condition of SANCOV plugin MAINTAINERS: Update Kbuild entry with a few paths Revert "usb: host: ehci: Use dma_pool_zalloc()" platform/x86: Kconfig: Fix dell-laptop dependency chain. platform/x86: asus-wireless: Fix NULL pointer dereference arm64: vgic-v2: Fix proxying of cpuif access KVM: arm/arm64: vgic_init: Cleanup reference to process_maintenance KVM: arm64: Fix order of vcpu_write_sys_reg() arguments MAINTAINERS & files: Canonize the e-mails I use at files media: imx-media-csi: Fix inconsistent IS_ERR and PTR_ERR tools: power/acpi, revert to LD = gcc bdi: Fix oops in wb_workfn() RDMA/cma: Do not query GID during QP state transition to RTR IB/mlx4: Fix integer overflow when calculating optimal MTT size IB/hfi1: Fix memory leak in exception path in get_irq_affinity() IB/{hfi1, rdmavt}: Fix memory leak in hfi1_alloc_devdata() upon failure ...
Diffstat (limited to 'drivers/usb/dwc2/hcd.c')
-rw-r--r--drivers/usb/dwc2/hcd.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 190f95964000..c51b73b3e048 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -358,9 +358,14 @@ static void dwc2_gusbcfg_init(struct dwc2_hsotg *hsotg)
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);
}
@@ -4342,9 +4347,7 @@ static int _dwc2_hcd_start(struct usb_hcd *hcd)
spin_unlock_irqrestore(&hsotg->lock, flags);
- dwc2_vbus_supply_init(hsotg);
-
- return 0;
+ return dwc2_vbus_supply_init(hsotg);
}
/*