pinctrl/amd: switch to using a bool for level
authorAgrawal, Nitesh-kumar <Nitesh-kumar.Agrawal@amd.com>
Fri, 9 Sep 2016 15:18:09 +0000 (15:18 +0000)
committerLinus Walleij <linus.walleij@linaro.org>
Tue, 13 Sep 2016 08:24:37 +0000 (10:24 +0200)
The earlier patch can be simplified by using a bool
to indicate level trigger.

Reviewed-by: Pankaj Sen <Pankaj.Sen@amd.com>
Signed-off-by: Nitesh Kumar Agrawal <Nitesh-kumar.Agrawal@amd.com>
[Fixup to earlier manually applied patch]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
drivers/pinctrl/pinctrl-amd.c

index 962746e..be8ae98 100644 (file)
@@ -403,7 +403,7 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type)
        int ret = 0;
        u32 pin_reg;
        unsigned long flags;
-       u32 level_trig;
+       bool level_trig;
        u32 active_level;
        struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
        struct amd_gpio *gpio_dev = gpiochip_get_data(gc);
@@ -416,13 +416,12 @@ static int amd_gpio_irq_set_type(struct irq_data *d, unsigned int type)
         * default settings, ignore incoming settings from client and use
         * BIOS settings to configure GPIO register.
         */
-       level_trig = pin_reg & (LEVEL_TRIGGER << LEVEL_TRIG_OFF);
+       level_trig = !(pin_reg & (LEVEL_TRIGGER << LEVEL_TRIG_OFF));
        active_level = pin_reg & (ACTIVE_LEVEL_MASK << ACTIVE_LEVEL_OFF);
 
-       if((!level_trig) &&
-          ((active_level >> ACTIVE_LEVEL_OFF) == ACTIVE_HIGH)) {
+       if(level_trig &&
+          ((active_level >> ACTIVE_LEVEL_OFF) == ACTIVE_HIGH))
                type = IRQ_TYPE_EDGE_FALLING;
-       }
 
        switch (type & IRQ_TYPE_SENSE_MASK) {
        case IRQ_TYPE_EDGE_RISING: