diff options
Diffstat (limited to 'hw/gpio/omap_gpio.c')
| -rw-r--r-- | hw/gpio/omap_gpio.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/hw/gpio/omap_gpio.c b/hw/gpio/omap_gpio.c index 9a43486890..d92f8cfbae 100644 --- a/hw/gpio/omap_gpio.c +++ b/hw/gpio/omap_gpio.c @@ -125,8 +125,7 @@ static void omap_gpio_write(void *opaque, hwaddr addr, case 0x04: /* DATA_OUTPUT */ diff = (s->outputs ^ value) & ~s->dir; s->outputs = value; - while ((ln = ffs(diff))) { - ln --; + while ((ln = ctz32(diff)) != 32) { if (s->handler[ln]) qemu_set_irq(s->handler[ln], (value >> ln) & 1); diff &= ~(1 << ln); @@ -138,8 +137,7 @@ static void omap_gpio_write(void *opaque, hwaddr addr, s->dir = value; value = s->outputs & ~s->dir; - while ((ln = ffs(diff))) { - ln --; + while ((ln = ctz32(diff)) != 32) { if (s->handler[ln]) qemu_set_irq(s->handler[ln], (value >> ln) & 1); diff &= ~(1 << ln); @@ -253,8 +251,7 @@ static inline void omap2_gpio_module_out_update(struct omap2_gpio_s *s, s->outputs ^= diff; diff &= ~s->dir; - while ((ln = ffs(diff))) { - ln --; + while ((ln = ctz32(diff)) != 32) { qemu_set_irq(s->handler[ln], (s->outputs >> ln) & 1); diff &= ~(1 << ln); } @@ -442,8 +439,8 @@ static void omap2_gpio_module_write(void *opaque, hwaddr addr, s->dir = value; value = s->outputs & ~s->dir; - while ((ln = ffs(diff))) { - diff &= ~(1 <<-- ln); + while ((ln = ctz32(diff)) != 32) { + diff &= ~(1 << ln); qemu_set_irq(s->handler[ln], (value >> ln) & 1); } |