diff options
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi_mpc83xx.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c index e854ac0d413a..c5cb98f65454 100644 --- a/drivers/spi/spi_mpc83xx.c +++ b/drivers/spi/spi_mpc83xx.c @@ -98,8 +98,6 @@ struct mpc83xx_spi { bool qe_mode; - u8 busy; - struct workqueue_struct *workqueue; struct work_struct work; @@ -411,7 +409,6 @@ static void mpc83xx_spi_work(struct work_struct *work) work); spin_lock_irq(&mpc83xx_spi->lock); - mpc83xx_spi->busy = 1; while (!list_empty(&mpc83xx_spi->queue)) { struct spi_message *m = container_of(mpc83xx_spi->queue.next, struct spi_message, queue); @@ -423,7 +420,6 @@ static void mpc83xx_spi_work(struct work_struct *work) spin_lock_irq(&mpc83xx_spi->lock); } - mpc83xx_spi->busy = 0; spin_unlock_irq(&mpc83xx_spi->lock); } @@ -465,19 +461,6 @@ static int mpc83xx_spi_setup(struct spi_device *spi) cs->hw_mode = hw_mode; /* Restore settings */ return retval; } - -#if 0 /* Don't think this is needed */ - /* NOTE we _need_ to call chipselect() early, ideally with adapter - * setup, unless the hardware defaults cooperate to avoid confusion - * between normal (active low) and inverted chipselects. - */ - - /* deselect chip (low or high) */ - spin_lock(&mpc83xx_spi->lock); - if (!mpc83xx_spi->busy) - mpc83xx_spi_chipselect(spi, BITBANG_CS_INACTIVE); - spin_unlock(&mpc83xx_spi->lock); -#endif return 0; } |