diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/mtd_blkdevs.c | 43 | ||||
| -rw-r--r-- | drivers/mtd/nand/davinci_nand.c | 7 |
2 files changed, 28 insertions, 22 deletions
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c index a49a9c8f2cb..aaac3b6800b 100644 --- a/drivers/mtd/mtd_blkdevs.c +++ b/drivers/mtd/mtd_blkdevs.c @@ -47,40 +47,41 @@ static int do_blktrans_request(struct mtd_blktrans_ops *tr, unsigned long block, nsect; char *buf; - block = req->sector << 9 >> tr->blkshift; - nsect = req->current_nr_sectors << 9 >> tr->blkshift; + block = blk_rq_pos(req) << 9 >> tr->blkshift; + nsect = blk_rq_cur_bytes(req) >> tr->blkshift; buf = req->buffer; if (req->cmd_type == REQ_TYPE_LINUX_BLOCK && req->cmd[0] == REQ_LB_OP_DISCARD) - return !tr->discard(dev, block, nsect); + return tr->discard(dev, block, nsect); if (!blk_fs_request(req)) - return 0; + return -EIO; - if (req->sector + req->current_nr_sectors > get_capacity(req->rq_disk)) - return 0; + if (blk_rq_pos(req) + blk_rq_cur_sectors(req) > + get_capacity(req->rq_disk)) + return -EIO; switch(rq_data_dir(req)) { case READ: for (; nsect > 0; nsect--, block++, buf += tr->blksize) if (tr->readsect(dev, block, buf)) - return 0; - return 1; + return -EIO; + return 0; case WRITE: if (!tr->writesect) - return 0; + return -EIO; for (; nsect > 0; nsect--, block++, buf += tr->blksize) if (tr->writesect(dev, block, buf)) - return 0; - return 1; + return -EIO; + return 0; default: printk(KERN_NOTICE "Unknown request %u\n", rq_data_dir(req)); - return 0; + return -EIO; } } @@ -88,19 +89,18 @@ static int mtd_blktrans_thread(void *arg) { struct mtd_blktrans_ops *tr = arg; struct request_queue *rq = tr->blkcore_priv->rq; + struct request *req = NULL; /* we might get involved when memory gets low, so use PF_MEMALLOC */ current->flags |= PF_MEMALLOC; spin_lock_irq(rq->queue_lock); + while (!kthread_should_stop()) { - struct request *req; struct mtd_blktrans_dev *dev; - int res = 0; - - req = elv_next_request(rq); + int res; - if (!req) { + if (!req && !(req = blk_fetch_request(rq))) { set_current_state(TASK_INTERRUPTIBLE); spin_unlock_irq(rq->queue_lock); schedule(); @@ -119,8 +119,13 @@ static int mtd_blktrans_thread(void *arg) spin_lock_irq(rq->queue_lock); - end_request(req, res); + if (!__blk_end_request_cur(req, res)) + req = NULL; } + + if (req) + __blk_end_request_all(req, -EIO); + spin_unlock_irq(rq->queue_lock); return 0; @@ -373,7 +378,7 @@ int register_mtd_blktrans(struct mtd_blktrans_ops *tr) } tr->blkcore_priv->rq->queuedata = tr; - blk_queue_hardsect_size(tr->blkcore_priv->rq, tr->blksize); + blk_queue_logical_block_size(tr->blkcore_priv->rq, tr->blksize); if (tr->discard) blk_queue_set_discard(tr->blkcore_priv->rq, blktrans_discard_request); diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c index 0119220de7d..02700f769b8 100644 --- a/drivers/mtd/nand/davinci_nand.c +++ b/drivers/mtd/nand/davinci_nand.c @@ -407,16 +407,17 @@ static int __init nand_davinci_probe(struct platform_device *pdev) } info->chip.ecc.mode = ecc_mode; - info->clk = clk_get(&pdev->dev, "AEMIFCLK"); + info->clk = clk_get(&pdev->dev, "aemif"); if (IS_ERR(info->clk)) { ret = PTR_ERR(info->clk); - dev_dbg(&pdev->dev, "unable to get AEMIFCLK, err %d\n", ret); + dev_dbg(&pdev->dev, "unable to get AEMIF clock, err %d\n", ret); goto err_clk; } ret = clk_enable(info->clk); if (ret < 0) { - dev_dbg(&pdev->dev, "unable to enable AEMIFCLK, err %d\n", ret); + dev_dbg(&pdev->dev, "unable to enable AEMIF clock, err %d\n", + ret); goto err_clk_enable; } |