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-rw-r--r--drivers/spi/spi_bfin5xx.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c
index 61c2ebf..b835254 100644
--- a/drivers/spi/spi_bfin5xx.c
+++ b/drivers/spi/spi_bfin5xx.c
@@ -1354,6 +1354,12 @@ static int __init bfin_spi_probe(struct platform_device *pdev)
goto out_error_queue_alloc;
}
+ /* Reset SPI registers. If these registers were used by the boot loader,
+ * the sky may fall on your head if you enable the dma controller.
+ */
+ write_CTRL(drv_data, BIT_CTL_CPHA | BIT_CTL_MASTER);
+ write_FLAG(drv_data, 0xFF00);
+
/* Register with the SPI framework */
platform_set_drvdata(pdev, drv_data);
status = spi_register_master(master);