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-rw-r--r--arch/arm/plat-pxa/include/plat/mfp.h2
-rw-r--r--arch/arm/plat-pxa/mfp.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/plat-pxa/include/plat/mfp.h b/arch/arm/plat-pxa/include/plat/mfp.h
index 22086e6..857a683 100644
--- a/arch/arm/plat-pxa/include/plat/mfp.h
+++ b/arch/arm/plat-pxa/include/plat/mfp.h
@@ -16,7 +16,7 @@
#ifndef __ASM_PLAT_MFP_H
#define __ASM_PLAT_MFP_H
-#define mfp_to_gpio(m) ((m) % 128)
+#define mfp_to_gpio(m) ((m) % 256)
/* list of all the configurable MFP pins */
enum {
diff --git a/arch/arm/plat-pxa/mfp.c b/arch/arm/plat-pxa/mfp.c
index 9405d03..be58f9f 100644
--- a/arch/arm/plat-pxa/mfp.c
+++ b/arch/arm/plat-pxa/mfp.c
@@ -207,7 +207,7 @@ unsigned long mfp_read(int mfp)
{
unsigned long val, flags;
- BUG_ON(mfp >= MFP_PIN_MAX);
+ BUG_ON(mfp < 0 || mfp >= MFP_PIN_MAX);
spin_lock_irqsave(&mfp_spin_lock, flags);
val = mfpr_readl(mfp_table[mfp].mfpr_off);
@@ -220,7 +220,7 @@ void mfp_write(int mfp, unsigned long val)
{
unsigned long flags;
- BUG_ON(mfp >= MFP_PIN_MAX);
+ BUG_ON(mfp < 0 || mfp >= MFP_PIN_MAX);
spin_lock_irqsave(&mfp_spin_lock, flags);
mfpr_writel(mfp_table[mfp].mfpr_off, val);
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