From 26ceca9750260997ab82bb84dac122de1e441658 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Fri, 30 Sep 2011 10:58:49 +0300 Subject: [PATCH] usb: dwc3: core: cache GHWPARAMS* registers cache the contents of GHWPARAMS* registers in our device structure for easy access. Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- drivers/usb/dwc3/core.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index cfb07454812..d35f90527c3 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: -- 2.41.0