diff options
| author |   Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2021-04-22 16:51:36 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-23 13:05:15 +0200 |
| commit | 16710380d3aa8f91411eb216352c4be4bc7af799 (patch) | |
| tree | cd04b5d0bbdf20dac8654150c6c7d8db0741ff32 /drivers/usb/dwc3 | |
| parent | usb: gadget: prevent a ternary sign expansion bug (diff) | |
| download | linux-dev-16710380d3aa8f91411eb216352c4be4bc7af799.tar.xz linux-dev-16710380d3aa8f91411eb216352c4be4bc7af799.zip | |
usb: dwc3: Capture new capability register GHWPARAMS9
DWC_usb32 introduces a new HW capability register GHWPARAMS9. Capture
this in the dwc->hwparams.hwparams9 field.
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/f76cc4a9c8c4ab325f5babe03c57b039166360b0.1619134559.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/dwc3')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 3 | ||||
| -rw-r--r-- | drivers/usb/dwc3/core.h | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 2f118ad43571..b6e53d8212cd 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -570,6 +570,9 @@ static void dwc3_cache_hwparams(struct dwc3 *dwc) parms->hwparams6 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS6); parms->hwparams7 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS7); parms->hwparams8 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS8); + + if (DWC3_IP_IS(DWC32)) + parms->hwparams9 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS9); } static int dwc3_core_ulpi_init(struct dwc3 *dwc) diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 7e3afa5378e8..b678200cc51e 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -143,6 +143,7 @@ #define DWC3_GHWPARAMS8 0xc600 #define DWC3_GUCTL3 0xc60c #define DWC3_GFLADJ 0xc630 +#define DWC3_GHWPARAMS9 0xc680 /* Device Registers */ #define DWC3_DCFG 0xc700 @@ -857,6 +858,7 @@ struct dwc3_hwparams { u32 hwparams6; u32 hwparams7; u32 hwparams8; + u32 hwparams9; }; /* HWPARAMS0 */ |