Messages in this thread Patch in this message | | | From | "Ivan T. Ivanov" <> | Subject | [PATCH] pinctrl: bcm2835: Accept fewer than expected IRQs | Date | Fri, 21 May 2021 12:01:58 +0300 |
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From: Phil Elwell <phil@raspberrypi.com>
The downstream .dts files only request two GPIO IRQs. Truncate the array of parent IRQs when irq_of_parse_and_map returns 0.
Signed-off-by: Phil Elwell <phil@raspberrypi.com> Signed-off-by: Ivan T. Ivanov <iivanov@suse.de> --- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c index 1d21129f7751..2c87af1180c4 100644 --- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c +++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c @@ -1274,9 +1274,13 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev) char *name; girq->parents[i] = irq_of_parse_and_map(np, i); - if (!is_7211) + if (!is_7211) { + if (!girq->parents[i]) { + girq->num_parents = i; + break; + } continue; - + } /* Skip over the all banks interrupts */ pc->wake_irq[i] = irq_of_parse_and_map(np, i + BCM2835_NUM_IRQS + 1); -- 2.31.1
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