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spi_mpc83xx: remove dead code 

This patch removes #if 0'ed code, and spi_mpc83xx->busy variable that is
used by that dead snippet only.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Cc: Kumar Gala <galak@gate.crashing.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Anton Vorontsov 2009-06-18 16:49:07 -07:00 committed by Linus Torvalds
parent b9b9af11fe
commit aef79d8276
1 changed files with 0 additions and 17 deletions
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17
drivers/spi/spi_mpc83xx.c
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@ -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;
}