From: Artur Petrosyan Arthur.Petrosyan@synopsys.com
commit 5e3bbae8ee3d677a0aa2919dc62b5c60ea01ba61 upstream.
Increased the waiting timeout for HPRT0.PrtSusp register field to be set, because on HiKey 960 board HPRT0.PrtSusp wasn't generated with the existing timeout.
Cc: stable@vger.kernel.org # 4.18 Fixes: 22bb5cfdf13a ("usb: dwc2: Fix host exit from hibernation flow.") Signed-off-by: Artur Petrosyan Arthur.Petrosyan@synopsys.com Acked-by: Minas Harutyunyan Minas.Harutyunyan@synopsys.com Link: https://lore.kernel.org/r/20210326102447.8F7FEA005D@mailhost.synopsys.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/dwc2/hcd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -5398,7 +5398,7 @@ int dwc2_host_enter_hibernation(struct d dwc2_writel(hsotg, hprt0, HPRT0);
/* Wait for the HPRT0.PrtSusp register field to be set */ - if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 3000)) + if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 5000)) dev_warn(hsotg->dev, "Suspend wasn't generated\n");
/*