gpio: msm: Fix irq mask/unmask by writing bits instead of numbers
authorStephen Boyd <sboyd@codeaurora.org>
Tue, 10 Dec 2013 23:19:03 +0000 (15:19 -0800)
committerBen Hutchings <ben@decadent.org.uk>
Sat, 15 Feb 2014 19:20:13 +0000 (19:20 +0000)
commit 4cc629b7a20945ce35628179180329b6bc9e552b upstream.

We should be writing bits here but instead we're writing the
numbers that correspond to the bits we want to write. Fix it by
wrapping the numbers in the BIT() macro. This fixes gpios acting
as interrupts.

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/gpio/gpio-msm-v2.c

index 5cb1227..3104502 100644 (file)
@@ -249,7 +249,7 @@ static void msm_gpio_irq_mask(struct irq_data *d)
 
        spin_lock_irqsave(&tlmm_lock, irq_flags);
        writel(TARGET_PROC_NONE, GPIO_INTR_CFG_SU(gpio));
-       clear_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio));
+       clear_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio));
        __clear_bit(gpio, msm_gpio.enabled_irqs);
        spin_unlock_irqrestore(&tlmm_lock, irq_flags);
 }
@@ -261,7 +261,7 @@ static void msm_gpio_irq_unmask(struct irq_data *d)
 
        spin_lock_irqsave(&tlmm_lock, irq_flags);
        __set_bit(gpio, msm_gpio.enabled_irqs);
-       set_gpio_bits(INTR_RAW_STATUS_EN | INTR_ENABLE, GPIO_INTR_CFG(gpio));
+       set_gpio_bits(BIT(INTR_RAW_STATUS_EN) | BIT(INTR_ENABLE), GPIO_INTR_CFG(gpio));
        writel(TARGET_PROC_SCORPION, GPIO_INTR_CFG_SU(gpio));
        spin_unlock_irqrestore(&tlmm_lock, irq_flags);
 }