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1ad707f559
linux/drivers/usb/dwc2
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Amelie Delaunay 1ad707f559 usb: dwc2: drd: reset current session before setting the new one 
If role is changed without the "none" step, A- and B- valid session could
be set at the same time. It is an issue.
This patch resets A-session if role switch sets B-session, and resets
B-session if role switch sets A-session.
Then, it is possible to change the role without the "none" step.

Fixes: 17f934024e ("usb: dwc2: override PHY input signals with usb role switch support")
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Link: https://lore.kernel.org/r/20211005095305.66397-4-amelie.delaunay@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-21 12:49:01 +02:00
..
core_intr.c usb: dwc2: Skip clock gating on Samsung SoCs 2021-07-21 09:50:27 +02:00
core.c usb: dwc2: Fix spelling mistake "was't" -> "wasn't" 2021-08-27 10:29:54 +02:00
core.h Merge v5.14-rc3 into usb-next 2021-07-26 11:16:46 +02:00
debug.h USB: dwc2: Use the correct style for SPDX License Identifier 2020-05-05 10:58:50 +03:00
debugfs.c usb: dwc2: Add STM32 related debugfs entries 2021-03-10 09:37:15 +01:00
drd.c usb: dwc2: drd: reset current session before setting the new one 2021-10-21 12:49:01 +02:00
gadget.c usb: dwc2: gadget: Fix ISOC transfer complete handling for DDMA 2021-09-14 10:42:00 +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: dwc2: Make "trimming xfer length" a debug message 2021-01-26 18:42:15 +01:00
hcd_queue.c usb: dwc2: hcd_queue: Fix typeo in function name 'dwc2_hs_pmap_unschedule()' 2021-05-27 09:45:27 +02:00
hcd.c usb: dwc2: check return value after calling platform_get_resource() 2021-09-14 10:32:56 +02:00
hcd.h USB: dwc2: Use the correct style for SPDX License Identifier 2020-05-05 10:58:50 +03:00
hw.h usb: dwc2: Update enter and exit partial power down functions 2021-04-09 15:16:38 +02:00
Kconfig usb: dwc2: override PHY input signals with usb role switch support 2020-10-02 13:29:13 +03:00
Makefile usb: dwc2: override PHY input signals with usb role switch support 2020-10-02 13:29:13 +03:00
params.c usb: dwc2: Skip clock gating on Samsung SoCs 2021-07-21 09:50:27 +02:00
pci.c usb: dwc2: pci: Fix possible copy/paste issue 2021-05-27 09:45:27 +02:00
platform.c usb: dwc2: platform: Provide function name for 'dwc2_check_core_version()' 2021-05-27 09:45:26 +02:00