diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0187-pinctrl-bcm2835-Accept-fewer-than-expected-IRQs.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0187-pinctrl-bcm2835-Accept-fewer-than-expected-IRQs.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0187-pinctrl-bcm2835-Accept-fewer-than-expected-IRQs.patch b/target/linux/bcm27xx/patches-5.10/950-0187-pinctrl-bcm2835-Accept-fewer-than-expected-IRQs.patch new file mode 100644 index 0000000000..4456504ee8 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0187-pinctrl-bcm2835-Accept-fewer-than-expected-IRQs.patch @@ -0,0 +1,31 @@ +From 9ab71458b5475c7d8d42896721e593f6ef1a5c7a Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Tue, 25 Feb 2020 17:38:20 +0000 +Subject: [PATCH] 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> +--- + drivers/pinctrl/bcm/pinctrl-bcm2835.c | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c ++++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c +@@ -1288,9 +1288,13 @@ static int bcm2835_pinctrl_probe(struct + 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); |