From: David Wu <david.wu@rock-chips.com>
Date: Wed, 8 Mar 2017 02:51:43 +0000 (+0800)
Subject: pwm: rockchip: Fix the warning for rockchip_linux_defconfig
X-Git-Tag: firefly_0821_release~395
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=aa060ee958ef791b9057b056d36148cec5f900a0;p=firefly-linux-kernel-4.4.55.git

pwm: rockchip: Fix the warning for rockchip_linux_defconfig

This patch fix the following warning:
drivers/pwm/pwm-rockchip.c:176:6: warning: unused variable 'ret' [-Wunused-variable]

Change-Id: I9ac08ad08fdefee5b875d36592936b07f032586c
Signed-off-by: David Wu <david.wu@rock-chips.com>
---

diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index 004514a255b9..de315617e44e 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -173,7 +173,6 @@ static int rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 	struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip);
 	unsigned long period, duty;
 	u64 clk_rate, div;
-	int ret;
 
 	clk_rate = clk_get_rate(pc->clk);
 
@@ -194,6 +193,8 @@ static int rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm,
 
 #ifdef CONFIG_FB_ROCKCHIP
 	if (!pc->data->regs.ctrl) {
+		int ret;
+
 		ret = rk_fb_set_vop_pwm();
 		if (ret)
 			dev_err(pc->chip.dev, "rk_fb_set_vop_pwm failed: %d\n", ret);