spi: convert drivers to use bits_per_word_mask

Fill in the recently added spi_master.bits_per_word_mask field in as
many drivers as possible. Make related cleanups, such as removing any
redundant error-checking, or empty setup callbacks.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 0 insertions, 12 deletions

diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index a537f8dffc09..6b7096e0ad68 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -103,16 +103,6 @@ static void altera_spi_chipsel(struct spi_device *spi, int value)
         }
 }
 
-static int altera_spi_setupxfer(struct spi_device *spi, struct spi_transfer *t)
-{
-        return 0;
-}
-
-static int altera_spi_setup(struct spi_device *spi)
-{
-        return 0;
-}
-
 static inline unsigned int hw_txbyte(struct altera_spi *hw, int count)
 {
         if (hw->tx) {
@@ -231,7 +221,6 @@ static int altera_spi_probe(struct platform_device *pdev)
         master->bus_num = pdev->id;
         master->num_chipselect = 16;
         master->mode_bits = SPI_CS_HIGH;
-        master->setup = altera_spi_setup;
 
         hw = spi_master_get_devdata(master);
         platform_set_drvdata(pdev, hw);
@@ -240,7 +229,6 @@ static int altera_spi_probe(struct platform_device *pdev)
         hw->bitbang.master = spi_master_get(master);
         if (!hw->bitbang.master)
                 return err;
-        hw->bitbang.setup_transfer = altera_spi_setupxfer;
         hw->bitbang.chipselect = altera_spi_chipsel;
         hw->bitbang.txrx_bufs = altera_spi_txrx;