diff options
Diffstat (limited to 'drivers/spi/spi_bfin5xx.c')
| -rw-r--r-- | drivers/spi/spi_bfin5xx.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 5e07f49..045c82a 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -44,9 +44,6 @@ MODULE_LICENSE("GPL"); #define QUEUE_RUNNING 0 #define QUEUE_STOPPED 1 -/* Value to send if no TX value is supplied */ -#define SPI_IDLE_TXVAL 0x0000 - struct driver_data { /* Driver model hookup */ struct platform_device *pdev; @@ -581,7 +578,7 @@ static void bfin_spi_pump_transfers(unsigned long data) udelay(previous->delay_usecs); } - /* Setup the transfer state based on the type of transfer */ + /* Flush any existing transfers that may be sitting in the hardware */ if (bfin_spi_flush(drv_data) == 0) { dev_err(&drv_data->pdev->dev, "pump_transfers: flush failed\n"); message->status = -EIO; @@ -661,7 +658,6 @@ static void bfin_spi_pump_transfers(unsigned long data) "transfer: drv_data->write is %p, chip->write is %p\n", drv_data->write, chip->write); - /* speed and width has been set on per message */ message->state = RUNNING_STATE; dma_config = 0; @@ -966,7 +962,7 @@ static u16 ssel[][MAX_SPI_SSEL] = { P_SPI2_SSEL6, P_SPI2_SSEL7}, }; -/* first setup for new devices */ +/* setup for devices (may be called multiple times -- not just first setup) */ static int bfin_spi_setup(struct spi_device *spi) { struct bfin5xx_spi_chip *chip_info; |
