gpio: uniphier: utilize for_each_set_clump8 macro
[linux-2.6-microblaze.git] / drivers / gpio / gpio-uniphier.c
index bd203e8..7ec9749 100644 (file)
@@ -15,9 +15,6 @@
 #include <linux/spinlock.h>
 #include <dt-bindings/gpio/uniphier-gpio.h>
 
-#define UNIPHIER_GPIO_BANK_MASK                \
-                               GENMASK((UNIPHIER_GPIO_LINES_PER_BANK) - 1, 0)
-
 #define UNIPHIER_GPIO_IRQ_MAX_NUM      24
 
 #define UNIPHIER_GPIO_PORT_DATA                0x0     /* data */
@@ -150,15 +147,11 @@ static void uniphier_gpio_set(struct gpio_chip *chip,
 static void uniphier_gpio_set_multiple(struct gpio_chip *chip,
                                       unsigned long *mask, unsigned long *bits)
 {
-       unsigned int bank, shift, bank_mask, bank_bits;
-       int i;
+       unsigned long i, bank, bank_mask, bank_bits;
 
-       for (i = 0; i < chip->ngpio; i += UNIPHIER_GPIO_LINES_PER_BANK) {
+       for_each_set_clump8(i, bank_mask, mask, chip->ngpio) {
                bank = i / UNIPHIER_GPIO_LINES_PER_BANK;
-               shift = i % BITS_PER_LONG;
-               bank_mask = (mask[BIT_WORD(i)] >> shift) &
-                                               UNIPHIER_GPIO_BANK_MASK;
-               bank_bits = bits[BIT_WORD(i)] >> shift;
+               bank_bits = bitmap_get_value8(bits, i);
 
                uniphier_gpio_bank_write(chip, bank, UNIPHIER_GPIO_PORT_DATA,
                                         bank_mask, bank_bits);