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linux/drivers/usb/dwc2
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Fabrice Gasnier 3d9fb06c46 usb: dwc2: fix a race with external vbus supply 
[ Upstream commit 41ee1ea210 ]

There's a race with root hub resume, when using external vbus supply.
Root hub gets resumed, but runtime pm autosuspend runs as external vbus
supply isn't enabled. So, host never exit from power down properly.
Initialize vbus external supply before, rater that after hub resume.

Fixes: 531ef5ebea ("usb: dwc2: add support for host mode external
vbus supply")

Tested-by: Artur Petrosyan <arturp@synopsys.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-11-13 11:08:34 -08:00
..
core_intr.c usb: dwc2: Modify dwc2_readl/writel functions prototype 2018-07-30 10:39:16 +03:00
core.c usb: dwc2: Modify dwc2_readl/writel functions prototype 2018-07-30 10:39:16 +03:00
core.h usb: dwc2: Make dwc2_readl/writel functions endianness-agnostic. 2018-07-30 10:39:18 +03:00
debug.h usb: dwc2: Fix kernel doc's warnings. 2018-05-21 10:02:13 +03:00
debugfs.c usb: dwc2: Modify dwc2_readl/writel functions prototype 2018-07-30 10:39:16 +03:00
gadget.c usb: changes for v4.19 2018-07-30 10:21:14 +02:00
hcd_ddma.c usb: dwc2: Modify dwc2_readl/writel functions prototype 2018-07-30 10:39:16 +03:00
hcd_intr.c usb: changes for v4.19 2018-07-30 10:21:14 +02:00
hcd_queue.c usb: dwc2: Modify dwc2_readl/writel functions prototype 2018-07-30 10:39:16 +03:00
hcd.c usb: dwc2: fix a race with external vbus supply 2018-11-13 11:08:34 -08:00
hcd.h usb: dwc2: Modify dwc2_readl/writel functions prototype 2018-07-30 10:39:16 +03:00
hw.h usb: dwc2: Add Interpacket Gap(IPG) feature support 2018-05-15 10:16:47 +03:00
Kconfig
Makefile
params.c usb: dwc2: Turn on uframe_sched on "stm32f4x9_fsotg" platforms 2018-07-30 10:39:19 +03:00
pci.c usb: dwc2: pci: Fix error return code in dwc2_pci_probe() 2018-05-21 10:36:14 +03:00
platform.c usb: dwc2: Fix call location of dwc2_check_core_endianness 2018-09-05 13:12:31 +03:00