usb: dwc2: gadget: change variable name to more meaningful

Since we handle FIFOs and endpoint separately, using variable named 'ep'
in context of FIFO is misleading, hence we rename it to 'fifo'.

Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 7db763e2e975d4f3e3bfb8855195bfe22cfa38d1..2aa41139d2d57e33065217017d3f5b816f7e1019 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -186,7 +186,7 @@ static void dwc2_hsotg_ctrl_epint(struct dwc2_hsotg *hsotg,
  */
 static void dwc2_hsotg_init_fifo(struct dwc2_hsotg *hsotg)
 {
-       unsigned int ep;
+       unsigned int fifo;
        unsigned int addr;
        int timeout;
        u32 dptxfsizn;
@@ -217,8 +217,8 @@ static void dwc2_hsotg_init_fifo(struct dwc2_hsotg *hsotg)
         * them to endpoints dynamically according to maxpacket size value of
         * given endpoint.
         */
-       for (ep = 1; ep < MAX_EPS_CHANNELS; ep++) {
-               dptxfsizn = dwc2_readl(hsotg->regs + DPTXFSIZN(ep));
+       for (fifo = 1; fifo < MAX_EPS_CHANNELS; fifo++) {
+               dptxfsizn = dwc2_readl(hsotg->regs + DPTXFSIZN(fifo));
 
                val = (dptxfsizn & FIFOSIZE_DEPTH_MASK) | addr;
                addr += dptxfsizn >> FIFOSIZE_DEPTH_SHIFT;
@@ -226,7 +226,7 @@ static void dwc2_hsotg_init_fifo(struct dwc2_hsotg *hsotg)
                if (addr > hsotg->fifo_mem)
                        break;
 
-               dwc2_writel(val, hsotg->regs + DPTXFSIZN(ep));
+               dwc2_writel(val, hsotg->regs + DPTXFSIZN(fifo));
        }
 
        /*