6.1-stable review patch. If anyone has any objections, please let me know.
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From: Alexander Stein alexander.stein@ew.tq-group.com
commit 10d510abd096d620b9fda2dd3e0047c5efc4ad2b upstream.
The default mode, configurable by DT, shall be set before usb role switch driver is registered. Otherwise there is a race between default mode and mode set by usb role switch driver.
Fixes: 98ed256a4dbad ("usb: dwc3: Add support for role-switch-default-mode binding") Cc: stable stable@kernel.org Signed-off-by: Alexander Stein alexander.stein@ew.tq-group.com Acked-by: Thinh Nguyen Thinh.Nguyen@synopsys.com Link: https://lore.kernel.org/r/20231025095110.2405281-1-alexander.stein@ew.tq-gro... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/dwc3/drd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/dwc3/drd.c +++ b/drivers/usb/dwc3/drd.c @@ -505,6 +505,7 @@ static int dwc3_setup_role_switch(struct dwc->role_switch_default_mode = USB_DR_MODE_PERIPHERAL; mode = DWC3_GCTL_PRTCAP_DEVICE; } + dwc3_set_mode(dwc, mode);
dwc3_role_switch.fwnode = dev_fwnode(dwc->dev); dwc3_role_switch.set = dwc3_usb_role_switch_set; @@ -526,7 +527,6 @@ static int dwc3_setup_role_switch(struct } }
- dwc3_set_mode(dwc, mode); return 0; } #else