2013-09-14 02:48:40

by Solomon Peachy

[permalink] [raw]
Subject: [PATCH] cw1200: Use a threaded oneshot irq handler for cw1200_spi

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, with has the added benefit of actually
working.

Signed-off-by: Solomon Peachy <[email protected]>
---
drivers/net/wireless/cw1200/cw1200_spi.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/cw1200/cw1200_spi.c b/drivers/net/wireless/cw1200/cw1200_spi.c
index 5a64ac9..899cad3 100644
--- 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(struct hwbus_priv *self)

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;

--
1.8.3.1