From: 许盛飞 <xsf@rock-chips.com>
Date: Mon, 21 Apr 2014 06:36:47 +0000 (+0800)
Subject: USB_AVDD_1V8: optimizing the usb1v8 power consumption
X-Git-Tag: firefly_0821_release~5492
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8eaf8928886744ba971036e0682a5c79696da8cd;p=firefly-linux-kernel-4.4.55.git

USB_AVDD_1V8: optimizing the usb1v8 power consumption
---

diff --git a/arch/arm/mach-rockchip/pm-rk3288.c b/arch/arm/mach-rockchip/pm-rk3288.c
index 6b45b8d7663b..304a907b67ca 100755
--- a/arch/arm/mach-rockchip/pm-rk3288.c
+++ b/arch/arm/mach-rockchip/pm-rk3288.c
@@ -25,6 +25,8 @@
 //#include "sram.h"
 #include "pm-pie.c"
 
+__weak void rk_usb_power_down(void);
+__weak void rk_usb_power_up(void);
 
 static void ddr_pin_set_pull(u8 port,u8 bank,u8 b_gpio,u8 fun);
 static void ddr_gpio_set_in_output(u8 port,u8 bank,u8 b_gpio,u8 type);
@@ -1133,6 +1135,8 @@ static inline void  rkpm_peri_resume_first(u32 power_mode)
 
 static void rkpm_slp_setting(void)
 {
+	rk_usb_power_down();
+
    //rkpm_gic_disable(130);
   //  rkpm_gic_disable(132);
 
@@ -1143,6 +1147,7 @@ static void rkpm_slp_setting(void)
 
 static void rkpm_save_setting_resume_first(void)
 {
+	rk_usb_power_down();
         rkpm_peri_resume_first(rk3288_powermode);
         
         // rkpm_ddr_printhex(cru_readl(RK3288_CRU_MODE_CON));