[PATCH 14/16] Blackfin SPI Driver: tweak magic spi dma sequence to get it working on BF54x

From: Bryan Wu
Date: Tue Nov 18 2008 - 02:55:41 EST


From: Mike Frysinger <vapier.adi@xxxxxxxxx>

Signed-off-by: Mike Frysinger <vapier.adi@xxxxxxxxx>
Signed-off-by: Bryan Wu <cooloney@xxxxxxxxxx>
---
drivers/spi/spi_bfin5xx.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index c2fc3a9..9c602ad 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -858,8 +858,9 @@ static void pump_transfers(unsigned long data)
set_dma_start_addr(drv_data->dma_channel, dma_start_addr);
set_dma_config(drv_data->dma_channel, dma_config);
local_irq_save(flags);
- enable_dma(drv_data->dma_channel);
+ SSYNC();
write_CTRL(drv_data, cr);
+ enable_dma(drv_data->dma_channel);
dma_enable_irq(drv_data->dma_channel);
local_irq_restore(flags);

--
1.5.6.3
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