From e7db06b5d5afcef15c4c3e61c3a7441ed7ad1407 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Wed, 17 Jun 2009 16:26:04 -0700 Subject: spi: move more spi_setup() functionality into core Move some common spi_setup() error checks into the SPI framework from the spi_master controller drivers: - Add a new "mode_bits" field to spi_master - Use that in spi_setup to validate the spi->mode value being requested. Setting this new field is now mandatory for any controller supporting more than vanilla SPI_MODE_0. - Update all spi_master drivers to: * Initialize that field * Remove current spi_setup() checks using that value. This is a net minor code shrink. Signed-off-by: David Brownell Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/spi/orion_spi.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'drivers/spi/orion_spi.c') diff --git a/drivers/spi/orion_spi.c b/drivers/spi/orion_spi.c index 6d5e33bb4b4..3aea50da7b2 100644 --- a/drivers/spi/orion_spi.c +++ b/drivers/spi/orion_spi.c @@ -358,12 +358,6 @@ static int orion_spi_setup(struct spi_device *spi) orion_spi = spi_master_get_devdata(spi->master); - if (spi->mode) { - dev_err(&spi->dev, "setup: unsupported mode bits %x\n", - spi->mode); - return -EINVAL; - } - /* Fix ac timing if required. */ if (orion_spi->spi_info->enable_clock_fix) orion_spi_setbits(orion_spi, ORION_SPI_IF_CONFIG_REG, @@ -473,6 +467,9 @@ static int __init orion_spi_probe(struct platform_device *pdev) if (pdev->id != -1) master->bus_num = pdev->id; + /* we support only mode 0, and no options */ + master->mode_bits = 0; + master->setup = orion_spi_setup; master->transfer = orion_spi_transfer; master->num_chipselect = ORION_NUM_CHIPSELECTS; -- cgit v1.2.3