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authorPhil Elwell <phil@raspberrypi.com>2021-05-21 11:01:58 +0200
committerLinus Walleij <linus.walleij@linaro.org>2021-05-28 02:56:13 +0200
commit4bc80da53317edd1c31c183203aa7d8809c42667 (patch)
tree68954e3b79ddfc77568341cf400bccf0956c10c4 /drivers/pinctrl/bcm
parentpinctrl: Fix kernel-doc (diff)
downloadlinux-4bc80da53317edd1c31c183203aa7d8809c42667.tar.xz
linux-4bc80da53317edd1c31c183203aa7d8809c42667.zip
pinctrl: bcm2835: Accept fewer than expected IRQs
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> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20210521090158.26932-1-iivanov@suse.de Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/bcm')
-rw-r--r--drivers/pinctrl/bcm/pinctrl-bcm2835.c8
1 files 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);