diff options
Diffstat (limited to 'drivers/usb/dwc2/params.c')
| -rw-r--r-- | drivers/usb/dwc2/params.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 8ccc83f7eb3f..ce736d67c7c3 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -782,25 +782,6 @@ int dwc2_get_hwparams(struct dwc2_hsotg *hsotg) u32 hwcfg1, hwcfg2, hwcfg3, hwcfg4; u32 grxfsiz; - /* - * Attempt to ensure this device is really a DWC_otg Controller. - * Read and verify the GSNPSID register contents. The value should be - * 0x45f4xxxx, 0x5531xxxx or 0x5532xxxx - */ - - hw->snpsid = dwc2_readl(hsotg, GSNPSID); - if ((hw->snpsid & GSNPSID_ID_MASK) != DWC2_OTG_ID && - (hw->snpsid & GSNPSID_ID_MASK) != DWC2_FS_IOT_ID && - (hw->snpsid & GSNPSID_ID_MASK) != DWC2_HS_IOT_ID) { - dev_err(hsotg->dev, "Bad value for GSNPSID: 0x%08x\n", - hw->snpsid); - return -ENODEV; - } - - dev_dbg(hsotg->dev, "Core Release: %1x.%1x%1x%1x (snpsid=%x)\n", - hw->snpsid >> 12 & 0xf, hw->snpsid >> 8 & 0xf, - hw->snpsid >> 4 & 0xf, hw->snpsid & 0xf, hw->snpsid); - hwcfg1 = dwc2_readl(hsotg, GHWCFG1); hwcfg2 = dwc2_readl(hsotg, GHWCFG2); hwcfg3 = dwc2_readl(hsotg, GHWCFG3); |