Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37668
3c298f89-4303-0410-b956-
a3cf2f4a3e73
static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
{
int irq;
static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
{
int irq;
- if (irq == -EINVAL) return;
+ if (irq < 0) {
+ pr_err("no irq for gpio available\n");
+ return;
+ }
- if (request_irq(irq, handler, IRQF_SHARED, "gpio", handler))
+ err = request_irq(irq, handler, IRQF_SHARED, "gpio", handler);
+ if (err) {
+ pr_err("can not reqeust irq\n");
} else {
free_irq(irq, handler);
}
} else {
free_irq(irq, handler);
}