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Commit 0b38c4eb authored by John Ogness's avatar John Ogness Committed by Chris Ball
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mmc: remove redundant irq disabling 



There is no need to disable irq's when using the sg_copy_*_buffer()
functions because those functions do that already. There are also
no races for the mm_queue struct here that would require the irq's
to be disabled before calling sg_copy_*_buffer().

Signed-off-by: default avatarJohn Ogness <john.ogness@linutronix.de>
Signed-off-by: default avatarChris Ball <cjb@laptop.org>
parent 41e2a489

drivers/mmc/card/queue.c

+0 −8
Original line number Diff line number Diff line
@@ -343,18 +343,14 @@ unsigned int mmc_queue_map_sg(struct mmc_queue *mq) 
 */

void mmc_queue_bounce_pre(struct mmc_queue *mq)

{

	unsigned long flags;



	if (!mq->bounce_buf)

		return;



	if (rq_data_dir(mq->req) != WRITE)

		return;



	local_irq_save(flags);

	sg_copy_to_buffer(mq->bounce_sg, mq->bounce_sg_len,

		mq->bounce_buf, mq->sg[0].length);

	local_irq_restore(flags);

}



/*
@@ -363,17 +359,13 @@ void mmc_queue_bounce_pre(struct mmc_queue *mq) 
 */

void mmc_queue_bounce_post(struct mmc_queue *mq)

{

	unsigned long flags;



	if (!mq->bounce_buf)

		return;



	if (rq_data_dir(mq->req) != READ)

		return;



	local_irq_save(flags);

	sg_copy_from_buffer(mq->bounce_sg, mq->bounce_sg_len,

		mq->bounce_buf, mq->sg[0].length);

	local_irq_restore(flags);

}