Merge commit 'origin/master' into next

Manual merge of:
	arch/powerpc/kernel/asm-offsets.c

3 files changed, 51 insertions, 42 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;
 	}
 
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index f3548d04801..40c26080ecd 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -831,6 +831,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
 		break;
 
 	case NAND_CMD_READID:
+		host->col_addr = 0;
 		send_read_id(host);
 		break;
 
@@ -867,6 +868,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 	mtd->priv = this;
 	mtd->owner = THIS_MODULE;
 	mtd->dev.parent = &pdev->dev;
+	mtd->name = "mxc_nand";
 
 	/* 50 us command delay time */
 	this->chip_delay = 5;
@@ -882,8 +884,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 	this->verify_buf = mxc_nand_verify_buf;
 
 	host->clk = clk_get(&pdev->dev, "nfc");
-	if (IS_ERR(host->clk))
+	if (IS_ERR(host->clk)) {
+		err = PTR_ERR(host->clk);
 		goto eclk;
+	}
 
 	clk_enable(host->clk);
 	host->clk_act = 1;
@@ -896,7 +900,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
 
 	host->regs = ioremap(res->start, res->end - res->start + 1);
 	if (!host->regs) {
-		err = -EIO;
+		err = -ENOMEM;
 		goto eres;
 	}
 
@@ -1011,30 +1015,35 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
 #ifdef CONFIG_PM
 static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
 {
-	struct mtd_info *info = platform_get_drvdata(pdev);
+	struct mtd_info *mtd = platform_get_drvdata(pdev);
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
 	int ret = 0;
 
 	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
-	if (info)
-		ret = info->suspend(info);
-
-	/* Disable the NFC clock */
-	clk_disable(nfc_clk);	/* FIXME */
+	if (mtd) {
+		ret = mtd->suspend(mtd);
+		/* Disable the NFC clock */
+		clk_disable(host->clk);
+	}
 
 	return ret;
 }
 
 static int mxcnd_resume(struct platform_device *pdev)
 {
-	struct mtd_info *info = platform_get_drvdata(pdev);
+	struct mtd_info *mtd = platform_get_drvdata(pdev);
+	struct nand_chip *nand_chip = mtd->priv;
+	struct mxc_nand_host *host = nand_chip->priv;
 	int ret = 0;
 
 	DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
-	/* Enable the NFC clock */
-	clk_enable(nfc_clk);	/* FIXME */
 
-	if (info)
-		info->resume(info);
+	if (mtd) {
+		/* Enable the NFC clock */
+		clk_enable(host->clk);
+		mtd->resume(mtd);
+	}
 
 	return ret;
 }
@@ -1055,13 +1064,7 @@ static struct platform_driver mxcnd_driver = {
 
 static int __init mxc_nd_init(void)
 {
-	/* Register the device driver structure. */
-	pr_info("MXC MTD nand Driver\n");
-	if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
-		printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
-		return -ENODEV;
-	}
-	return 0;
+	return platform_driver_probe(&mxcnd_driver, mxcnd_probe);
 }
 
 static void __exit mxc_nd_cleanup(void)