This is a note to let you know that I've just added the patch titled
irqchip: orion: clear bridge cause register on init
to the 3.13-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
irqchip-orion-clear-bridge-cause-register-on-init.patch
and it can be found in the queue-3.13 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 7b119fd1bdc59a8060df5b659b9f7a70e0169fd6 Mon Sep 17 00:00:00 2001
From: Sebastian Hesselbarth <[email protected]>
Date: Thu, 23 Jan 2014 23:38:04 +0100
Subject: irqchip: orion: clear bridge cause register on init
From: Sebastian Hesselbarth <[email protected]>
commit 7b119fd1bdc59a8060df5b659b9f7a70e0169fd6 upstream.
It is good practice to mask and clear pending irqs on init. We already
mask all irqs, so also clear the bridge irq cause register.
Signed-off-by: Sebastian Hesselbarth <[email protected]>
Tested-by: Ezequiel Garcia <[email protected]>
Signed-off-by: Jason Cooper <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/irqchip/irq-orion.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/irqchip/irq-orion.c
+++ b/drivers/irqchip/irq-orion.c
@@ -180,8 +180,9 @@ static int __init orion_bridge_irq_init(
gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit;
gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit;
- /* mask all interrupts */
+ /* mask and clear all interrupts */
writel(0, gc->reg_base + ORION_BRIDGE_IRQ_MASK);
+ writel(0, gc->reg_base + ORION_BRIDGE_IRQ_CAUSE);
irq_set_handler_data(irq, domain);
irq_set_chained_handler(irq, orion_bridge_irq_handler);
Patches currently in stable-queue which might be from
[email protected] are
queue-3.13/irqchip-orion-fix-getting-generic-chip-pointer.patch
queue-3.13/irqchip-orion-clear-bridge-cause-register-on-init.patch
queue-3.13/irqchip-orion-use-handle_edge_irq-on-bridge-irqs.patch
queue-3.13/irqchip-orion-clear-stale-interrupts-in-irq_startup.patch
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