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| author |   Stephen Warren <swarren@wwwdotorg.org> | 2013-05-21 20:36:35 -0600 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-05-29 20:48:17 +0100 |
| commit | 24778be20f87d5aadb19624fc768b3159fa43efc (patch) | |
| tree | 05124574b6d331f34938bbae09d4014fde7dca76 /drivers/spi/spi-xilinx.c | |
| parent | spi: introduce macros to set bits_per_word_mask (diff) | |
| download | linux-dev-24778be20f87d5aadb19624fc768b3159fa43efc.tar.xz linux-dev-24778be20f87d5aadb19624fc768b3159fa43efc.zip | |
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>
Diffstat (limited to 'drivers/spi/spi-xilinx.c')
| -rw-r--r-- | drivers/spi/spi-xilinx.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c index e1d769607425..f321bf95d7c3 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -232,21 +232,6 @@ static int xilinx_spi_setup_transfer(struct spi_device *spi, return 0; } -static int xilinx_spi_setup(struct spi_device *spi) -{ - /* always return 0, we can not check the number of bits. - * There are cases when SPI setup is called before any driver is - * there, in that case the SPI core defaults to 8 bits, which we - * do not support in some cases. But if we return an error, the - * SPI device would not be registered and no driver can get hold of it - * When the driver is there, it will call SPI setup again with the - * correct number of bits per transfer. - * If a driver setups with the wrong bit number, it will fail when - * it tries to do a transfer - */ - return 0; -} - static void xilinx_spi_fill_tx_fifo(struct xilinx_spi *xspi) { u8 sr; @@ -377,7 +362,6 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, xspi->bitbang.chipselect = xilinx_spi_chipselect; xspi->bitbang.setup_transfer = xilinx_spi_setup_transfer; xspi->bitbang.txrx_bufs = xilinx_spi_txrx_bufs; - xspi->bitbang.master->setup = xilinx_spi_setup; init_completion(&xspi->done); if (!request_mem_region(mem->start, resource_size(mem), |