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-rw-r--r--drivers/cdrom/gdrom.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index 9874fc1c815b..e7717d090868 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -583,7 +583,8 @@ static blk_status_t gdrom_readdisk_dma(struct request *req)
read_command->cmd[1] = 0x20;
block = blk_rq_pos(req)/GD_TO_BLK + GD_SESSION_OFFSET;
block_cnt = blk_rq_sectors(req)/GD_TO_BLK;
- __raw_writel(virt_to_phys(bio_data(req->bio)), GDROM_DMA_STARTADDR_REG);
+ __raw_writel(page_to_phys(bio_page(req->bio)) + bio_offset(rq->bio),
+ GDROM_DMA_STARTADDR_REG);
__raw_writel(block_cnt * GDROM_HARD_SECTOR, GDROM_DMA_LENGTH_REG);
__raw_writel(1, GDROM_DMA_DIRECTION_REG);
__raw_writel(1, GDROM_DMA_ENABLE_REG);
@@ -789,8 +790,6 @@ static int probe_gdrom(struct platform_device *devptr)
goto probe_fail_requestq;
}
- blk_queue_bounce_limit(gd.gdrom_rq, BLK_BOUNCE_HIGH);
-
err = probe_gdrom_setupqueue();
if (err)
goto probe_fail_toc;