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| author | Felipe Balbi <balbi@ti.com> | 2011-09-30 10:58:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-10-04 10:25:55 -0700 |
| commit | 26ceca9750260997ab82bb84dac122de1e441658 (patch) | |
| tree | c76713b8ba06a9f24a7ca3124200eaad54d44d0b /drivers | |
| parent | a32994998c2ffa161159b79bb68e683e2746c330 (diff) | |
| download | linux-3.10-26ceca9750260997ab82bb84dac122de1e441658.tar.gz linux-3.10-26ceca9750260997ab82bb84dac122de1e441658.tar.bz2 linux-3.10-26ceca9750260997ab82bb84dac122de1e441658.zip | |
usb: dwc3: core: cache GHWPARAMS* registers
cache the contents of GHWPARAMS* registers in
our device structure for easy access.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 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: |