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: John Ogness <john.ogness@linutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 2ae7275..c07322c 100644 (file)
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -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);
 }