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Commit aef79d82 authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Linus Torvalds
Browse files

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: default avatarAnton 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: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b9b9af11

drivers/spi/spi_mpc83xx.c

+0 −17
Original line number Diff line number Diff line
@@ -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;

}