From: Srinath Mannam Date: Thu, 15 Jun 2017 09:09:22 +0000 (+0530) Subject: usb: gadget: bdc: 64-bit pointer capability check X-Git-Tag: v4.13-rc1~185^2~23^2~6 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c8e4e5bdb62a5ac6f860ebcaaf7b467b62f453f1;p=karo-tx-linux.git usb: gadget: bdc: 64-bit pointer capability check Corrected the register to check the 64-bit pointer capability state. 64-bit pointer implementation capability was checking in wrong register, which causes the BDC enumeration failure in 64-bit memory address. Fixes: efed421a94e6 ("usb: gadget: Add UDC driver for Broadcom USB3.0 device controller IP BDC") Reviewed-by: Florian Fainelli Signed-off-by: Srinath Mannam Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c index ccb9c213cc9f..e9bd8d4abca0 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -475,7 +475,7 @@ static int bdc_probe(struct platform_device *pdev) bdc->dev = dev; dev_dbg(bdc->dev, "bdc->regs: %p irq=%d\n", bdc->regs, bdc->irq); - temp = bdc_readl(bdc->regs, BDC_BDCSC); + temp = bdc_readl(bdc->regs, BDC_BDCCAP1); if ((temp & BDC_P64) && !dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64))) { dev_dbg(bdc->dev, "Using 64-bit address\n");