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| author | Stefan Wahren <stefan.wahren@i2se.com> | 2017-06-21 21:20:04 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2017-06-29 12:04:38 +0300 |
| commit | 37a2f8e5522abd8e206a0da1622034382aa6683d (patch) | |
| tree | 096add70a153036b838c189f35002c7599b723a0 /drivers | |
| parent | a66f9d93c18b37ac1a9a8fb710a5369b30a2f290 (diff) | |
| download | linux-37a2f8e5522abd8e206a0da1622034382aa6683d.tar.xz | |
pinctrl: bcm2835: Avoid warning from __irq_do_set_handler
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")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pinctrl/bcm/pinctrl-bcm2835.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 1eb7a1a5a4bb..230883168e99 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 |