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cw1200: Use a threaded oneshot irq handler for cw1200_spi

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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 <[email protected]>
Signed-off-by: John W. Linville <[email protected]>
This commit is contained in:
Solomon Peachy 2013-09-23 16:00:04 -04:00 • committed by John W. Linville
commit 87421cb601
1 changed files with 4 additions and 3 deletions
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7
drivers/net/wireless/cw1200/cw1200_spi.c
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@ -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;