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Diffstat (limited to 'hw/display/tc6393xb.c')
-rw-r--r--hw/display/tc6393xb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/display/tc6393xb.c b/hw/display/tc6393xb.c
index 4306adc..66b7ade 100644
--- a/hw/display/tc6393xb.c
+++ b/hw/display/tc6393xb.c
@@ -171,7 +171,7 @@ static void tc6393xb_gpio_handler_update(TC6393xbState *s)
level = s->gpio_level & s->gpio_dir;
for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) {
- bit = ffs(diff) - 1;
+ bit = ctz32(diff);
qemu_set_irq(s->handler[bit], (level >> bit) & 1);
}