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[v4,REPOST,15/20] gpio/omap: use readl in irq_handler for all access

Message ID 1310804152-9243-16-git-send-email-tarun.kanti@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tarun Kanti DebBarma July 16, 2011, 8:15 a.m. UTC 
From: Charulatha V <charu@ti.com>

Even when bank->width is 16, all the OMAP1 registers are 4-byte aligned, so just
use a 4-byte read.  The 'enabled' mask is already taking care to mask for bank width.

Signed-off-by: Charulatha V <charu@ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
---
 drivers/gpio/gpio-omap.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 742c310..ef2ad76 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -572,8 +572,6 @@  static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 		enabled = _get_gpio_irqbank_mask(bank);
 		isr_saved = isr = __raw_readl(isr_reg) & enabled;
 
-		if (cpu_is_omap15xx() && (bank->method == METHOD_MPUIO))
-			isr &= 0x0000ffff;
 
 		if (bank->level_mask)
 			level_mask = bank->level_mask & enabled;