| Message ID | 1498069204-28154-1-git-send-email-stefan.wahren@i2se.com |
|---|---|
| State | New |
| Headers | show |
On Wed, Jun 21, 2017 at 8:20 PM, Stefan Wahren <stefan.wahren@i2se.com> wrote: > We get a warning during boot with enabled EARLY_PRINTK that > we try to set a irq_chip without data. This is caused by ignoring > the return value of irq_of_parse_and_map(). So avoid calling > gpiochip_set_chained_irqchip() in error case. > > Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> > Fixes: 85ae9e512f43 ("pinctrl: bcm2835: switch to GPIOLIB_IRQCHIP") Patch applied. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 1eb7a1a..2308831 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -1048,6 +1048,10 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) for (i = 0; i < BCM2835_NUM_IRQS; i++) { pc->irq[i] = irq_of_parse_and_map(np, i); pc->irq_group[i] = i; + + if (pc->irq[i] == 0) + continue; + /* * Use the same handler for all groups: this is necessary * since we use one gpiochip to cover all lines - the
We get a warning during boot with enabled EARLY_PRINTK that we try to set a irq_chip without data. This is caused by ignoring the return value of irq_of_parse_and_map(). So avoid calling gpiochip_set_chained_irqchip() in error case. Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Fixes: 85ae9e512f43 ("pinctrl: bcm2835: switch to GPIOLIB_IRQCHIP") --- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 4 ++++ 1 file changed, 4 insertions(+)