[PATCH v5 15/22] gpio/omap: use readl in irq_handler for all access

Tarun Kanti DebBarma
2011-08-04T11:05:20Z

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(-)

diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 3d18cdf..ba20e42 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;
--
1.7.0.4