From: Felipe Balbi <balbi@xxxxxx>
cache the contents of GHWPARAMS* registers in
our device structure for easy access.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/usb/dwc3/core.c | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index cfb0745..d35f905 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -229,6 +229,21 @@ static void dwc3_event_buffers_cleanup(struct dwc3 *dwc)
}
}
+static void __devinit dwc3_cache_hwparams(struct dwc3 *dwc)
+{
+ struct dwc3_hwparams *parms = &dwc->hwparams;
+
+ parms->hwparams0 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS0);
+ parms->hwparams1 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS1);
+ parms->hwparams2 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS2);
+ parms->hwparams3 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS3);
+ parms->hwparams4 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS4);
+ parms->hwparams5 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS5);
+ parms->hwparams6 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS6);
+ parms->hwparams7 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS7);
+ parms->hwparams8 = dwc3_readl(dwc->regs, DWC3_GHWPARAMS8);
+}
+
/**
* dwc3_core_init - Low-level initialization of DWC3 Core
* @dwc: Pointer to our controller context structure
@@ -283,6 +298,8 @@ static int __devinit dwc3_core_init(struct dwc3 *dwc)
goto err1;
}
+ dwc3_cache_hwparams(dwc);
+
return 0;
err1:
--
1.7.7
--
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