openwrt/target/linux/brcm63xx/patches-4.9/327-irqchip-bcm6345-periph-clear-on-init.patch
Álvaro Fernández Rojas a7e915975f bcm63xx: mask interrupts on init
Fixes BCM6348/BCM6358 hangs while booting:
https://bugs.openwrt.org/index.php?do=details&task_id=2202

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit 13c33f3f12)
2020-05-18 11:06:05 +02:00

13 lines
383 B
Diff

--- a/drivers/irqchip/irq-bcm6345-periph.c
+++ b/drivers/irqchip/irq-bcm6345-periph.c
@@ -236,6 +236,9 @@ static int __init __bcm6345_periph_intc_
/* route all interrupts to line 0 by default */
if (i == 0)
block->mask_cache[w] = 0xffffffff;
+
+ /* mask all interrupts */
+ __raw_writel(0, block->en_reg[w]);
}
irq_set_handler_data(block->parent_irq, data);