X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmmc%2Fcard%2Fqueue.c;h=1b9c9b6da5b7349b39148129c7a6ce4a709e7717;hb=febb187761b02fce7d61b9c897d0e701f672b5ee;hp=c9a289c6c1391326c9fe19d26f4f6c5b55afd99d;hpb=440fdb53b4ae58602711b5b8c3a139ace2404dbb;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index c9a289c6c13..1b9c9b6da5b 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -13,6 +13,7 @@
 #include <linux/blkdev.h>
 #include <linux/freezer.h>
 #include <linux/kthread.h>
+#include <linux/scatterlist.h>
 
 #include <linux/mmc/card.h>
 #include <linux/mmc/host.h>
@@ -117,7 +118,6 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
 	struct mmc_host *host = card->host;
 	u64 limit = BLK_BOUNCE_HIGH;
 	int ret;
-	unsigned int bouncesz;
 
 	if (mmc_dev(host)->dma_mask && *mmc_dev(host)->dma_mask)
 		limit = *mmc_dev(host)->dma_mask;
@@ -134,6 +134,8 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
 
 #ifdef CONFIG_MMC_BLOCK_BOUNCE
 	if (host->max_hw_segs == 1) {
+		unsigned int bouncesz;
+
 		bouncesz = MMC_QUEUE_BOUNCESZ;
 
 		if (bouncesz > host->max_req_size)
@@ -156,15 +158,17 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
 				GFP_KERNEL);
 			if (!mq->sg) {
 				ret = -ENOMEM;
-				goto free_bounce_buf;
+				goto cleanup_queue;
 			}
+			sg_init_table(mq->sg, 1);
 
 			mq->bounce_sg = kmalloc(sizeof(struct scatterlist) *
 				bouncesz / 512, GFP_KERNEL);
 			if (!mq->bounce_sg) {
 				ret = -ENOMEM;
-				goto free_sg;
+				goto cleanup_queue;
 			}
+			sg_init_table(mq->bounce_sg, bouncesz / 512);
 		}
 	}
 #endif
@@ -176,7 +180,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
 		blk_queue_max_hw_segments(mq->queue, host->max_hw_segs);
 		blk_queue_max_segment_size(mq->queue, host->max_seg_size);
 
-		mq->sg = kmalloc(sizeof(struct scatterlist) *
+		mq->sg = kzalloc(sizeof(struct scatterlist) *
 			host->max_phys_segs, GFP_KERNEL);
 		if (!mq->sg) {
 			ret = -ENOMEM;
@@ -197,14 +201,13 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock
  	if (mq->bounce_sg)
  		kfree(mq->bounce_sg);
  	mq->bounce_sg = NULL;
- free_sg:
-	kfree(mq->sg);
+ cleanup_queue:
+ 	if (mq->sg)
+		kfree(mq->sg);
 	mq->sg = NULL;
- free_bounce_buf:
 	if (mq->bounce_buf)
 		kfree(mq->bounce_buf);
 	mq->bounce_buf = NULL;
- cleanup_queue:
 	blk_cleanup_queue(mq->queue);
 	return ret;
 }
@@ -302,12 +305,12 @@ static void copy_sg(struct scatterlist *dst, unsigned int dst_len,
 		BUG_ON(dst_len == 0);
 
 		if (dst_size == 0) {
-			dst_buf = page_address(dst->page) + dst->offset;
+			dst_buf = sg_virt(dst);
 			dst_size = dst->length;
 		}
 
 		if (src_size == 0) {
-			src_buf = page_address(src->page) + src->offset;
+			src_buf = sg_virt(src);
 			src_size = src->length;
 		}
 
@@ -353,9 +356,7 @@ unsigned int mmc_queue_map_sg(struct mmc_queue *mq)
 		return 1;
 	}
 
-	mq->sg[0].page = virt_to_page(mq->bounce_buf);
-	mq->sg[0].offset = offset_in_page(mq->bounce_buf);
-	mq->sg[0].length = 0;
+	sg_init_one(mq->sg, mq->bounce_buf, 0);
 
 	while (sg_len) {
 		mq->sg[0].length += mq->bounce_sg[sg_len - 1].length;