From: xbw <xbw@rock-chips.com>
Date: Sun, 27 Jan 2013 09:24:23 +0000 (+0800)
Subject: drive strength:
X-Git-Tag: firefly_0821_release~7743
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fd825f216270d012f2e30ab3ceb179428237ec68;p=firefly-linux-kernel-4.4.55.git

drive strength:
The drive-strength-value must be set in accordance with the actual situation.
---

diff --git a/arch/arm/mach-rk30/common.c b/arch/arm/mach-rk30/common.c
index 2cdce195624d..4c08dfa51141 100755
--- a/arch/arm/mach-rk30/common.c
+++ b/arch/arm/mach-rk30/common.c
@@ -42,7 +42,10 @@ static void __init rk30_cpu_axi_init(void)
 
 static void __init rk30_io_drive_strength_init(void)
 {
-#if defined(CONFIG_ARCH_RK3066B) || defined(CONFIG_ARCH_RK3188)
+//modifyed by xbw£»at 2013-01-26
+//This value must be set in accordance with the actual situation.
+//so set the value in each driver their own file.
+#if 0 //#if defined(CONFIG_ARCH_RK3066B) || defined(CONFIG_ARCH_RK3188)
 	writel_relaxed(0x11001100, RK30_GRF_BASE + GRF_IO_CON4);
 #endif
 }