1 files changed, 9 insertions, 19 deletions

diff --git a/drivers/net/wireless/cw1200/cw1200_spi.c b/drivers/net/wireless/cw1200/cw1200_spi.c
index f5e6b489ed3..755a0c8edfe 100644
--- a/drivers/net/wireless/cw1200/cw1200_spi.c
+++ b/drivers/net/wireless/cw1200/cw1200_spi.c
@@ -42,7 +42,6 @@ struct hwbus_priv {
 	spinlock_t		lock; /* Serialize all bus operations */
 	wait_queue_head_t       wq;
 	int claimed;
-	int irq_disabled;
 };
 
 #define SDIO_TO_SPI_ADDR(addr) ((addr & 0x1f)>>2)
@@ -238,9 +237,9 @@ static irqreturn_t cw1200_spi_irq_handler(int irq, void *dev_id)
 	struct hwbus_priv *self = dev_id;
 
 	if (self->core) {
-		disable_irq_nosync(self->func->irq);
-		self->irq_disabled = 1;
+		cw1200_spi_lock(self);
 		cw1200_irq_handler(self->core);
+		cw1200_spi_unlock(self);
 		return IRQ_HANDLED;
 	} else {
 		return IRQ_NONE;
@@ -253,9 +252,10 @@ 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;
 
@@ -273,22 +273,13 @@ exit:
 
 static int cw1200_spi_irq_unsubscribe(struct hwbus_priv *self)
 {
+	int ret = 0;
+
 	pr_debug("SW IRQ unsubscribe\n");
 	disable_irq_wake(self->func->irq);
 	free_irq(self->func->irq, self);
 
-	return 0;
-}
-
-static int cw1200_spi_irq_enable(struct hwbus_priv *self, int enable)
-{
-	/* Disables are handled by the interrupt handler */
-	if (enable && self->irq_disabled) {
-		enable_irq(self->func->irq);
-		self->irq_disabled = 0;
-	}
-
-	return 0;
+	return ret;
 }
 
 static int cw1200_spi_off(const struct cw1200_platform_data_spi *pdata)
@@ -368,7 +359,6 @@ static struct hwbus_ops cw1200_spi_hwbus_ops = {
 	.unlock			= cw1200_spi_unlock,
 	.align_size		= cw1200_spi_align_size,
 	.power_mgmt		= cw1200_spi_pm,
-	.irq_enable             = cw1200_spi_irq_enable,
 };
 
 /* Probe Function to be called by SPI stack when device is discovered */