diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
| commit | a1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch) | |
| tree | 0f1777542b385ebefd30b3586d830fd8ed6fda5b /drivers/spi/spi_bfin5xx.c | |
| parent | 75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff) | |
| parent | d28daf923ac5e4a0d7cecebae56f3e339189366b (diff) | |
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts:
arch/Kconfig
kernel/trace/trace.h
Merge reason: resolve the conflicts, plus adopt to the new
ring-buffer APIs.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/spi/spi_bfin5xx.c')
| -rw-r--r-- | drivers/spi/spi_bfin5xx.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index 011c5bddba6..73e24ef5a2f 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -169,7 +169,7 @@ static int bfin_spi_flush(struct driver_data *drv_data) unsigned long limit = loops_per_jiffy << 1; /* wait for stop and clear stat */ - while (!(read_STAT(drv_data) & BIT_STAT_SPIF) && limit--) + while (!(read_STAT(drv_data) & BIT_STAT_SPIF) && --limit) cpu_relax(); write_STAT(drv_data, BIT_STAT_CLR); @@ -1010,16 +1010,6 @@ static int bfin_spi_setup(struct spi_device *spi) struct driver_data *drv_data = spi_master_get_devdata(spi->master); int ret; - /* Abort device setup if requested features are not supported */ - if (spi->mode & ~(SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST)) { - dev_err(&spi->dev, "requested mode not fully supported\n"); - return -EINVAL; - } - - /* Zero (the default) here means 8 bits */ - if (!spi->bits_per_word) - spi->bits_per_word = 8; - if (spi->bits_per_word != 8 && spi->bits_per_word != 16) return -EINVAL; @@ -1287,6 +1277,9 @@ static int __init bfin_spi_probe(struct platform_device *pdev) drv_data->pdev = pdev; drv_data->pin_req = platform_info->pin_req; + /* the spi->mode bits supported by this driver: */ + master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST; + master->bus_num = pdev->id; master->num_chipselect = platform_info->num_chipselect; master->cleanup = bfin_spi_cleanup; |