Commit 40a2945b authored by Mike Frysinger's avatar Mike Frysinger Committed by Linus Torvalds
Browse files

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: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent d24bd1d0
......@@ -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 {
......
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