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Commit a75bd65b authored by Barry Song's avatar Barry Song Committed by Mike Frysinger
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spi/bfin_spi: use dma_disable_irq_nosync() in irq handler 



Using disable_irq() on the IRQ whose handler we are currently executing in
can easily lead to a hang.  So use the nosync variant here.

Signed-off-by: default avatarBarry Song <barry.song@analog.com>
Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
parent 5e8592dc

drivers/spi/spi_bfin5xx.c

+1 −1
Original line number Diff line number Diff line
@@ -547,7 +547,7 @@ static irqreturn_t bfin_spi_dma_irq_handler(int irq, void *dev_id) 
	dev_dbg(&drv_data->pdev->dev,

		"disable dma channel irq%d\n",

		drv_data->dma_channel);

	dma_disable_irq(drv_data->dma_channel);

	dma_disable_irq_nosync(drv_data->dma_channel);



	return IRQ_HANDLED;

}