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usb: dwc2: Fix HPRT0.PrtSusp bit setting for HiKey 960 board.

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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: 22bb5cfdf1 ("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>
This commit is contained in:
Artur Petrosyan 2021-03-26 14:24:46 +04:00 committed by Greg Kroah-Hartman
parent 92af4fc6ec
commit 5e3bbae8ee
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/dwc2/hcd.c
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@ -5398,7 +5398,7 @@ int dwc2_host_enter_hibernation(struct dwc2_hsotg *hsotg)
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");
/*