32 lines
982 B
Diff
32 lines
982 B
Diff
From 9ab71458b5475c7d8d42896721e593f6ef1a5c7a Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Tue, 25 Feb 2020 17:38:20 +0000
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Subject: [PATCH] pinctrl: bcm2835: Accept fewer than expected IRQs
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The downstream .dts files only request two GPIO IRQs. Truncate the
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array of parent IRQs when irq_of_parse_and_map returns 0.
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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drivers/pinctrl/bcm/pinctrl-bcm2835.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
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+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
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@@ -1288,9 +1288,13 @@ static int bcm2835_pinctrl_probe(struct
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char *name;
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girq->parents[i] = irq_of_parse_and_map(np, i);
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- if (!is_7211)
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+ if (!is_7211) {
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+ if (!girq->parents[i]) {
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+ girq->num_parents = i;
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+ break;
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+ }
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continue;
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-
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+ }
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/* Skip over the all banks interrupts */
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pc->wake_irq[i] = irq_of_parse_and_map(np, i +
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BCM2835_NUM_IRQS + 1);
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