linux-kernel - [PATCH 3/6] usb: dwc2: gadget: change variable name to more meaningful

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Date:   Mon, 29 Aug 2016 13:38:55 -0700
From:   John Youn <johnyoun@...opsys.com>
To:     Stefan Wahren <stefan.wahren@...e.com>
Cc:     Robert Baldyga <r.baldyga@...sung.com>
Subject: [PATCH 3/6] usb: dwc2: gadget: change variable name to more meaningful

From: Robert Baldyga <r.baldyga@...sung.com>

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@...sung.com>
Signed-off-by: John Youn <johnyoun@...opsys.com>
---
 drivers/usb/dwc2/gadget.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 5c24c85..ac267fd 100644
--- 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));
 	}
 
 	/*
-- 
2.9.0