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authorMike Frysinger <vapier.adi@gmail.com>2009-04-06 19:00:38 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 08:31:05 -0700
commit40a2945b97b4da9120653d84f1c3a58fe58be64c (patch)
tree7c051cfc046035f9489df4bbccfa15c2de459b9b /drivers
parentBlackfin SPI Driver: add a few more DMA debug messages (diff)
downloadlinux-dev-40a2945b97b4da9120653d84f1c3a58fe58be64c.tar.xz
linux-dev-40a2945b97b4da9120653d84f1c3a58fe58be64c.zip
Blackfin SPI Driver: do not check for SPI errors if DMA itself did not flag any
We only need to check SPI error when DMA failes, cause that is the DMA IRQ handling routine. Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/spi/spi_bfin5xx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index 5acec9ff0175..5ebb67b011d0 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -587,7 +587,7 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id)
while (!(read_STAT(drv_data) & SPIF))
cpu_relax();
- if (spistat & RBSY) {
+ if ((dmastat & DMA_ERR) && (spistat & RBSY)) {
msg->state = ERROR_STATE;
dev_err(&drv_data->pdev->dev, "dma receive: fifo/buffer overflow\n");
} else {