diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi_bfin5xx.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 61c2ebf9fe18..b8352546c589 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); |