diff options
| author |   Gregory Herrero <gregory.herrero@intel.com> | 2015-09-22 15:16:37 +0200 |
|---|---|---|
| committer |   Felipe Balbi <balbi@ti.com> | 2015-10-01 12:40:14 -0500 |
| commit | cc047ce4be6188d3bd3997b44ec724ce390fbdcb (patch) | |
| tree | d9dff6998204edbed4b3a4cf8552b3775c0d1049 /drivers/usb/dwc2 | |
| parent | usb: dwc3: gadget: remove unnecessary _irqsave() (diff) | |
| download | linux-dev-cc047ce4be6188d3bd3997b44ec724ce390fbdcb.tar.xz linux-dev-cc047ce4be6188d3bd3997b44ec724ce390fbdcb.zip | |
usb: dwc2: host: don't clear hprt0 status bits when exiting hibernation
When entering hibernation hprt0 must be read using dwc2_read_hprt0().
Otherwise, any set hprt0 status bits will be cleared when restoring
hprt0 on exit from hibernation.
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc2')
| -rw-r--r-- | drivers/usb/dwc2/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index fc0521aeed77..0bfc987dd373 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -78,7 +78,7 @@ static int dwc2_backup_host_registers(struct dwc2_hsotg *hsotg) for (i = 0; i < hsotg->core_params->host_channels; ++i) hr->hcintmsk[i] = dwc2_readl(hsotg->regs + HCINTMSK(i)); - hr->hprt0 = dwc2_readl(hsotg->regs + HPRT0); + hr->hprt0 = dwc2_read_hprt0(hsotg); hr->hfir = dwc2_readl(hsotg->regs + HFIR); hr->valid = true; |