Merge remote-tracking branch 'stable/linux-3.12.y' into sdk-v1.6.x

Signed-off-by: Scott Wood <scottwood@freescale.com>

Conflicts:
	drivers/mmc/card/block.c

6 files changed, 29 insertions, 30 deletions

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index f37d8da..77083c6 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -79,7 +79,7 @@
 
 /* Define max times to check status register before we give up. */
 #define	MAX_READY_WAIT_JIFFIES	(40 * HZ)	/* M25P16 specs 40s max chip erase */
-#define	MAX_CMD_SIZE		5
+#define	MAX_CMD_SIZE		6
 
 #define JEDEC_MFR(_jedec_id)	((_jedec_id) >> 16)
 
@@ -997,15 +997,13 @@ static int m25p_probe(struct spi_device *spi)
 		}
 	}
 
-	flash = kzalloc(sizeof *flash, GFP_KERNEL);
+	flash = devm_kzalloc(&spi->dev, sizeof(*flash), GFP_KERNEL);
 	if (!flash)
 		return -ENOMEM;
-	flash->command = kmalloc(MAX_CMD_SIZE + (flash->fast_read ? 1 : 0),
-					GFP_KERNEL);
-	if (!flash->command) {
-		kfree(flash);
+
+	flash->command = devm_kzalloc(&spi->dev, MAX_CMD_SIZE, GFP_KERNEL);
+	if (!flash->command)
 		return -ENOMEM;
-	}
 
 	flash->spi = spi;
 	mutex_init(&flash->lock);
@@ -1147,14 +1145,10 @@ static int m25p_probe(struct spi_device *spi)
 static int m25p_remove(struct spi_device *spi)
 {
 	struct m25p	*flash = spi_get_drvdata(spi);
-	int		status;
 
 	/* Clean up MTD stuff. */
-	status = mtd_device_unregister(&flash->mtd);
-	if (status == 0) {
-		kfree(flash->command);
-		kfree(flash);
-	}
+	mtd_device_unregister(&flash->mtd);
+
 	return 0;
 }
 
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 060feea..9be0792 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -2177,7 +2177,6 @@ err_no_card:
 	if (host->dma_chan)
 		dma_release_channel(host->dma_chan);
 err_nand_ioremap:
-	platform_driver_unregister(&atmel_nand_nfc_driver);
 	return res;
 }
 
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index a9830ff..a926017 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -392,8 +392,6 @@ static void dma_irq_callback(void *param)
 	struct gpmi_nand_data *this = param;
 	struct completion *dma_c = &this->dma_done;
 
-	complete(dma_c);
-
 	switch (this->dma_type) {
 	case DMA_FOR_COMMAND:
 		dma_unmap_sg(this->dev, &this->cmd_sgl, 1, DMA_TO_DEVICE);
@@ -418,6 +416,8 @@ static void dma_irq_callback(void *param)
 	default:
 		pr_err("in wrong DMA operation.\n");
 	}
+
+	complete(dma_c);
 }
 
 int start_dma_without_bch_irq(struct gpmi_nand_data *this,
@@ -1568,8 +1568,6 @@ static int gpmi_set_geometry(struct gpmi_nand_data *this)
 
 static int gpmi_pre_bbt_scan(struct gpmi_nand_data  *this)
 {
-	int ret;
-
 	/* Set up swap_block_mark, must be set before the gpmi_set_geometry() */
 	if (GPMI_IS_MX23(this))
 		this->swap_block_mark = false;
@@ -1577,12 +1575,8 @@ static int gpmi_pre_bbt_scan(struct gpmi_nand_data  *this)
 		this->swap_block_mark = true;
 
 	/* Set up the medium geometry */
-	ret = gpmi_set_geometry(this);
-	if (ret)
-		return ret;
+	return gpmi_set_geometry(this);
 
-	/* NAND boot init, depends on the gpmi_set_geometry(). */
-	return nand_boot_init(this);
 }
 
 static void gpmi_nfc_exit(struct gpmi_nand_data *this)
@@ -1672,10 +1666,16 @@ static int gpmi_nfc_init(struct gpmi_nand_data *this)
 	if (ret)
 		goto err_out;
 
+	chip->options |= NAND_SKIP_BBTSCAN;
 	ret = nand_scan_tail(mtd);
 	if (ret)
 		goto err_out;
 
+	ret = nand_boot_init(this);
+	if (ret)
+		goto err_out;
+	chip->scan_bbt(mtd);
+
 	ppdata.of_node = this->pdev->dev.of_node;
 	ret = mtd_device_parse_register(mtd, NULL, &ppdata, NULL, 0);
 	if (ret)
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index ce8242b..e5c0e59 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -676,7 +676,6 @@ static int mxc_nand_correct_data_v2_v3(struct mtd_info *mtd, u_char *dat,
 		ecc_stat >>= 4;
 	} while (--no_subpages);
 
-	mtd->ecc_stats.corrected += ret;
 	pr_debug("%d Symbol Correctable RS-ECC Error\n", ret);
 
 	return ret;
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d340b2f..d92d94b 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -2981,10 +2981,21 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
 	sanitize_string(p->model, sizeof(p->model));
 	if (!mtd->name)
 		mtd->name = p->model;
+
 	mtd->writesize = le32_to_cpu(p->byte_per_page);
-	mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize;
+
+	/*
+	 * pages_per_block and blocks_per_lun may not be a power-of-2 size
+	 * (don't ask me who thought of this...). MTD assumes that these
+	 * dimensions will be power-of-2, so just truncate the remaining area.
+	 */
+	mtd->erasesize = 1 << (fls(le32_to_cpu(p->pages_per_block)) - 1);
+	mtd->erasesize *= mtd->writesize;
+
 	mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
-	chip->chipsize = le32_to_cpu(p->blocks_per_lun);
+
+	/* See erasesize comment */
+	chip->chipsize = 1 << (fls(le32_to_cpu(p->blocks_per_lun)) - 1);
 	chip->chipsize *= (uint64_t)mtd->erasesize * p->lun_count;
 
 	if (onfi_feature(chip) & ONFI_FEATURE_16_BIT_BUS)
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index c28d4e2..e76a733 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1241,10 +1241,6 @@ static struct of_device_id pxa3xx_nand_dt_ids[] = {
 		.compatible = "marvell,pxa3xx-nand",
 		.data       = (void *)PXA3XX_NAND_VARIANT_PXA,
 	},
-	{
-		.compatible = "marvell,armada370-nand",
-		.data       = (void *)PXA3XX_NAND_VARIANT_ARMADA370,
-	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, pxa3xx_nand_dt_ids);