linux-kernel - [PATCH] usb: dwc2: remove set but unused variable

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Message-ID: <20180924014135.GA27711@josh-ThinkPad-T460s>
Date:   Sun, 23 Sep 2018 21:41:35 -0400
From:   Josh Abraham <j.abraham1776@...il.com>
To:     hminas@...opsys.com
Cc:     gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        j.abraham1776@...il.com
Subject: [PATCH] usb: dwc2: remove set but unused variable

This patch removes a set but unused variable in hcd.c.

Fixes gcc warning:
variable ‘data_fifo’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Joshua Abraham <j.abraham1776@...il.com>
---
 drivers/usb/dwc2/hcd.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 2bd6e6bfc241..5f23b933cafc 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -1328,14 +1328,11 @@ static void dwc2_hc_write_packet(struct dwc2_hsotg *hsotg,
 	u32 remaining_count;
 	u32 byte_count;
 	u32 dword_count;
-	u32 __iomem *data_fifo;
 	u32 *data_buf = (u32 *)chan->xfer_buf;
 
 	if (dbg_hc(chan))
 		dev_vdbg(hsotg->dev, "%s()\n", __func__);
 
-	data_fifo = (u32 __iomem *)(hsotg->regs + HCFIFO(chan->hc_num));
-
 	remaining_count = chan->xfer_len - chan->xfer_count;
 	if (remaining_count > chan->max_packet)
 		byte_count = chan->max_packet;
-- 
2.17.1