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authorAnton Vorontsov <avorontsov@ru.mvista.com>2009-06-18 16:49:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-19 16:46:05 -0700
commitaef79d827657fce5a3038ba07f11ce6dcd0421d0 (patch)
tree8e681110b10b448ba20b33fca4039f625fbb8e1e
parentb9b9af11fe35f509899fc5ff242b68d3299c3aef (diff)
downloadlinux-aef79d827657fce5a3038ba07f11ce6dcd0421d0.tar.gz
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>
-rw-r--r--drivers/spi/spi_mpc83xx.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/spi/spi_mpc83xx.c b/drivers/spi/spi_mpc83xx.c
index e854ac0d413..c5cb98f6545 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;
}