From: Huang, Tao <huangtao@rock-chips.com>
Date: Wed, 20 May 2015 14:08:31 +0000 (+0800)
Subject: pwm: rockchip: fix compilation error on arm
X-Git-Tag: firefly_0821_release~4149
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=effbff51fae7f8ca65673af95c8b24d46a88a063;p=firefly-linux-kernel-4.4.55.git

pwm: rockchip: fix compilation error on arm

Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
---

diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index 33b28e939493..640e7c4c8dfd 100755
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -114,8 +114,16 @@ module_param_named(dbg_level, pwm_dbg_level, int, 0644);
 
 };
 
+#ifdef CONFIG_ARM64
 extern int rk3368_lcdc_update_pwm(int bl_pwm_period, int bl_pwm_duty);
 extern int rk3368_lcdc_cabc_status(void);
+#else
+static inline int rk3368_lcdc_update_pwm(int bl_pwm_period, int bl_pwm_duty)
+{
+	return 0;
+}
+static inline int rk3368_lcdc_cabc_status(void) { return 0; }
+#endif
 
 static inline void rk_pwm_writel(struct rk_pwm_chip *chip,
 				    unsigned int num, unsigned long offset,