X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmmc%2Fcard%2Fqueue.c;h=1b9c9b6da5b7349b39148129c7a6ce4a709e7717;hb=febb187761b02fce7d61b9c897d0e701f672b5ee;hp=b0abc7d928051274f5168fe4d1e85fcbabc31b9b;hpb=e4f3b1e74b67fdcdd3034b84997fad7912f182f6;p=linux-2.6-omap-h63xx.git diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c index b0abc7d9280..1b9c9b6da5b 100644 --- a/drivers/mmc/card/queue.c +++ b/drivers/mmc/card/queue.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include @@ -159,6 +160,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock ret = -ENOMEM; goto cleanup_queue; } + sg_init_table(mq->sg, 1); mq->bounce_sg = kmalloc(sizeof(struct scatterlist) * bouncesz / 512, GFP_KERNEL); @@ -166,6 +168,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock ret = -ENOMEM; goto cleanup_queue; } + sg_init_table(mq->bounce_sg, bouncesz / 512); } } #endif @@ -177,7 +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; @@ -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;