diff options
| author | Barry Song <barry.song@analog.com> | 2010-01-22 11:07:30 +0100 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-10-18 08:49:40 +0200 |
| commit | a75bd65b2189d711938d0fa7d9a79df47ddd66fa (patch) | |
| tree | 6acca25eaf5bb0e9e75e5d6922a6224bfbb79d81 /drivers/spi | |
| parent | spi/bfin_spi: combine duplicate SPI_CTL read/write logic (diff) | |
| download | linux-a75bd65b2189d711938d0fa7d9a79df47ddd66fa.tar.xz linux-a75bd65b2189d711938d0fa7d9a79df47ddd66fa.zip | |
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>
Diffstat (limited to 'drivers/spi')
| -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 b3450b78cc50..18b313a57236 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; } |