diff options
| author | Barry Song <barry.song@analog.com> | 2010-01-22 10:07:30 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-10-18 02:49:40 -0400 |
| commit | a75bd65b2189d711938d0fa7d9a79df47ddd66fa (patch) | |
| tree | 6acca25eaf5bb0e9e75e5d6922a6224bfbb79d81 | |
| parent | 5e8592dca303fb429d1641c205fe509f4b781ca2 (diff) | |
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: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
| -rw-r--r-- | drivers/spi/spi_bfin5xx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index b3450b78cc5..18b313a5723 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -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; } |