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From 2f53ee5af567e4c8460f19522883dc663f554e12 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Fri, 3 Jul 2009 08:44:47 -0500
Subject: [PATCH] ARM: badge4: Move printk out of irq_disabled region
commit 30d18e076a68c1f50647c008d14f6b1c9303d40d in tip.
Reduce latencies on -rt
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
arch/arm/mach-sa1100/badge4.c | 11 +++++++++--
1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c
index 259cb2c..4b92bf8 100644
--- a/arch/arm/mach-sa1100/badge4.c
+++ b/arch/arm/mach-sa1100/badge4.c
@@ -245,15 +245,22 @@ void badge4_set_5V(unsigned subsystem, int on)
/* detect on->off and off->on transitions */
if ((!old_5V_bitmap) && (badge4_5V_bitmap)) {
/* was off, now on */
- printk(KERN_INFO "%s: enabling 5V supply rail\n", __func__);
GPSR = BADGE4_GPIO_PCMEN5V;
} else if ((old_5V_bitmap) && (!badge4_5V_bitmap)) {
/* was on, now off */
- printk(KERN_INFO "%s: disabling 5V supply rail\n", __func__);
GPCR = BADGE4_GPIO_PCMEN5V;
}
local_irq_restore(flags);
+
+ /* detect on->off and off->on transitions */
+ if ((!old_5V_bitmap) && (badge4_5V_bitmap)) {
+ /* was off, now on */
+ printk(KERN_INFO "%s: enabling 5V supply rail\n", __FUNCTION__);
+ } else if ((old_5V_bitmap) && (!badge4_5V_bitmap)) {
+ /* was on, now off */
+ printk(KERN_INFO "%s: disabling 5V supply rail\n", __FUNCTION__);
+ }
}
EXPORT_SYMBOL(badge4_set_5V);
--
1.7.0.4
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