This is a note to let you know that I've just added the patch titled
cw1200: Use a threaded oneshot irq handler for cw1200_spi
to the 3.11-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:
cw1200-use-a-threaded-oneshot-irq-handler-for-cw1200_spi.patch
and it can be found in the queue-3.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 87421cb6010a2f6494938fbe0a95e1b096b3b7af Mon Sep 17 00:00:00 2001
From: Solomon Peachy <pizza@xxxxxxxxxxxx>
Date: Mon, 23 Sep 2013 16:00:04 -0400
Subject: cw1200: Use a threaded oneshot irq handler for cw1200_spi
From: Solomon Peachy <pizza@xxxxxxxxxxxx>
commit 87421cb6010a2f6494938fbe0a95e1b096b3b7af upstream.
This supercedes the older patch ("cw1200: Don't perform SPI transfers in
interrupt context") that badly attempted to fix this problem.
This is a far simpler solution, which has the added benefit of
actually working.
Signed-off-by: Solomon Peachy <pizza@xxxxxxxxxxxx>
Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/wireless/cw1200/cw1200_spi.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/net/wireless/cw1200/cw1200_spi.c
+++ b/drivers/net/wireless/cw1200/cw1200_spi.c
@@ -250,9 +250,10 @@ static int cw1200_spi_irq_subscribe(stru
pr_debug("SW IRQ subscribe\n");
- ret = request_any_context_irq(self->func->irq, cw1200_spi_irq_handler,
- IRQF_TRIGGER_HIGH,
- "cw1200_wlan_irq", self);
+ ret = request_threaded_irq(self->func->irq, NULL,
+ cw1200_spi_irq_handler,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ "cw1200_wlan_irq", self);
if (WARN_ON(ret < 0))
goto exit;
Patches currently in stable-queue which might be from pizza@xxxxxxxxxxxx are
queue-3.11/revert-cw1200-don-t-perform-spi-transfers-in-interrupt-context.patch
queue-3.11/cw1200-use-a-threaded-oneshot-irq-handler-for-cw1200_spi.patch
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