The patch titled
Blackfin SPI Driver: do not check for SPI errors if DMA itself did not flag any
has been removed from the -mm tree. Its filename was
blackfin-spi-driver-do-not-check-for-spi-errors-if-dma-itself-did-not-flag-any.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: Blackfin SPI Driver: do not check for SPI errors if DMA itself did not flag any
From: Mike Frysinger <vapier.adi@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
Cc: David Brownell <david-b@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/spi/spi_bfin5xx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/spi/spi_bfin5xx.c~blackfin-spi-driver-do-not-check-for-spi-errors-if-dma-itself-did-not-flag-any drivers/spi/spi_bfin5xx.c
--- a/drivers/spi/spi_bfin5xx.c~blackfin-spi-driver-do-not-check-for-spi-errors-if-dma-itself-did-not-flag-any
+++ a/drivers/spi/spi_bfin5xx.c
@@ -587,7 +587,7 @@ static irqreturn_t dma_irq_handler(int i
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 {
_
Patches currently in -mm which might be from vapier.adi@xxxxxxxxx are
origin.patch
linux-next.patch
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