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path: root/drivers/spi/spi_mpc83xx.c
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Diffstat (limited to 'drivers/spi/spi_mpc83xx.c')
-rw-r--r--drivers/spi/spi_mpc83xx.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index 0926a3e293e0..ce61be98e06d 100644
--- a/drivers/spi/spi_mpc83xx.c
+++ b/drivers/spi/spi_mpc83xx.c
@@ -419,10 +419,6 @@ static void mpc83xx_spi_work(struct work_struct *work)
419 spin_unlock_irq(&mpc83xx_spi->lock); 419 spin_unlock_irq(&mpc83xx_spi->lock);
420} 420}
421 421
422/* the spi->mode bits understood by this driver: */
423#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH \
424 | SPI_LSB_FIRST | SPI_LOOP)
425
426static int mpc83xx_spi_setup(struct spi_device *spi) 422static int mpc83xx_spi_setup(struct spi_device *spi)
427{ 423{
428 struct mpc83xx_spi *mpc83xx_spi; 424 struct mpc83xx_spi *mpc83xx_spi;
@@ -430,12 +426,6 @@ static int mpc83xx_spi_setup(struct spi_device *spi)
430 u32 hw_mode; 426 u32 hw_mode;
431 struct spi_mpc83xx_cs *cs = spi->controller_state; 427 struct spi_mpc83xx_cs *cs = spi->controller_state;
432 428
433 if (spi->mode & ~MODEBITS) {
434 dev_dbg(&spi->dev, "setup: unsupported mode bits %x\n",
435 spi->mode & ~MODEBITS);
436 return -EINVAL;
437 }
438
439 if (!spi->max_speed_hz) 429 if (!spi->max_speed_hz)
440 return -EINVAL; 430 return -EINVAL;
441 431
@@ -562,6 +552,10 @@ mpc83xx_spi_probe(struct device *dev, struct resource *mem, unsigned int irq)
562 552
563 dev_set_drvdata(dev, master); 553 dev_set_drvdata(dev, master);
564 554
555 /* the spi->mode bits understood by this driver: */
556 master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH
557 | SPI_LSB_FIRST | SPI_LOOP;
558
565 master->setup = mpc83xx_spi_setup; 559 master->setup = mpc83xx_spi_setup;
566 master->transfer = mpc83xx_spi_transfer; 560 master->transfer = mpc83xx_spi_transfer;
567 master->cleanup = mpc83xx_spi_cleanup; 561 master->cleanup = mpc83xx_spi_cleanup;