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authorSrinath Mannam <srinath.mannam@broadcom.com>2017-06-15 14:39:22 +0530
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-06-19 09:22:31 +0300
commitc8e4e5bdb62a5ac6f860ebcaaf7b467b62f453f1 (patch)
treeb8dea8d877905277f9c995a2666047ade1f1ebae /drivers/usb
parentece7af5f787ee94ef4a8adb5cd9c40d6f475a7ba (diff)
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 <f.fainelli@gmail.com> Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/udc/bdc/bdc_core.c2
1 files changed, 1 insertions, 1 deletions
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");