On Wed, Jun 21, 2017 at 8:20 PM, Stefan Wahren [off-list ref] 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 <redacted>
Fixes: 85ae9e512f43 ("pinctrl: bcm2835: switch to GPIOLIB_IRQCHIP")

Patch applied.

Yours,
Linus Walleij