diff options
| author | Mark Brown <broonie@linaro.org> | 2013-08-09 18:26:37 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-08-09 18:32:10 +0200 |
| commit | 30af9b558a56200bda5febd140d5b826581d1f15 (patch) | |
| tree | 03a62c66afb5cadc4ec35f388cbfa4e3194c0344 /drivers/spi/spi-xilinx.c | |
| parent | spi/bitbang: don't error out if there is no setup callback provided (diff) | |
| download | linux-30af9b558a56200bda5febd140d5b826581d1f15.tar.xz linux-30af9b558a56200bda5febd140d5b826581d1f15.zip | |
spi/bitbang: Drop empty setup() functions
Now that the bitbang core does not require a setup() function we can
drop the check in the altera, nuc900 and xilinx drivers.
Signed-off-by: Mark Brown <broonie@linaro.org>
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 09a942852593..fb56fcfdf65e 100644 --- a/drivers/spi/spi-xilinx.c +++ b/drivers/spi/spi-xilinx.c @@ -233,21 +233,6 @@ 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; @@ -375,7 +360,6 @@ 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), |