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broadcom-diag: show error message in case something goes wrong with gpio irq 

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37668 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Hauke Mehrtens 2013-08-03 17:12:07 +00:00
parent a049974896
commit fd034dbcee
1 changed files with 9 additions and 2 deletions
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11
package/kernel/broadcom-diag/src/diag.c
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@ -1424,13 +1424,20 @@ static inline void ssb_maskset32(struct ssb_device *dev,
static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
{
int irq;
int err;
irq = gpio_to_irq(0);
if (irq == -EINVAL) return;
if (irq < 0) {
pr_err("no irq for gpio available\n");
return;
}
if (enabled) {
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");
return;
}
} else {
free_irq(irq, handler);
}