[PATCH v9 13/31] gpio/omap: remove unnecessary bit-masking for read access

Tarun Kanti DebBarma tarun.kanti at ti.com
Tue Dec 13 15:20:15 EST 2011


Remove un-necessary bit masking. Since the register are 4 byte aligned
and readl would work as is. The 'enabled' mask is already taking care
to mask for bank width.

Signed-off-by: Charulatha V <charu at ti.com>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti at ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
---
 drivers/gpio/gpio-omap.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 87c54a1..f4ec9aa 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -577,9 +577,6 @@ 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;
 
-- 
1.7.0.4




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