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path: root/drivers/mtd/nand/atmel_nand.c
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Diffstat (limited to 'drivers/mtd/nand/atmel_nand.c')
-rw-r--r--drivers/mtd/nand/atmel_nand.c25
1 files changed, 12 insertions, 13 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index d78a97d4153..4ce181a35bc 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -375,8 +375,7 @@ static int atmel_nand_dma_op(struct mtd_info *mtd, void *buf, int len,
dma_dev = host->dma_chan->device;
- flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT | DMA_COMPL_SKIP_SRC_UNMAP |
- DMA_COMPL_SKIP_DEST_UNMAP;
+ flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT;
phys_addr = dma_map_single(dma_dev->dev, p, len, dir);
if (dma_mapping_error(dma_dev->dev, phys_addr)) {
@@ -431,7 +430,7 @@ err_dma:
dma_unmap_single(dma_dev->dev, phys_addr, len, dir);
err_buf:
if (err != 0)
- dev_warn(host->dev, "Fall back to CPU I/O\n");
+ dev_dbg(host->dev, "Fall back to CPU I/O\n");
return err;
}
@@ -1221,6 +1220,7 @@ static int atmel_pmecc_nand_init_params(struct platform_device *pdev,
goto err;
}
+ nand_chip->options |= NAND_NO_SUBPAGE_WRITE;
nand_chip->ecc.read_page = atmel_nand_pmecc_read_page;
nand_chip->ecc.write_page = atmel_nand_pmecc_write_page;
@@ -1660,8 +1660,8 @@ static void nfc_select_chip(struct mtd_info *mtd, int chip)
nfc_writel(host->nfc->hsmc_regs, CTRL, NFC_CTRL_ENABLE);
}
-static int nfc_make_addr(struct mtd_info *mtd, int column, int page_addr,
- unsigned int *addr1234, unsigned int *cycle0)
+static int nfc_make_addr(struct mtd_info *mtd, int command, int column,
+ int page_addr, unsigned int *addr1234, unsigned int *cycle0)
{
struct nand_chip *chip = mtd->priv;
@@ -1675,7 +1675,8 @@ static int nfc_make_addr(struct mtd_info *mtd, int column, int page_addr,
*addr1234 = 0;
if (column != -1) {
- if (chip->options & NAND_BUSWIDTH_16)
+ if (chip->options & NAND_BUSWIDTH_16 &&
+ !nand_opcode_8bits(command))
column >>= 1;
addr_bytes[acycle++] = column & 0xff;
if (mtd->writesize > 512)
@@ -1788,8 +1789,8 @@ static void nfc_nand_command(struct mtd_info *mtd, unsigned int command,
}
if (do_addr)
- acycle = nfc_make_addr(mtd, column, page_addr, &addr1234,
- &cycle0);
+ acycle = nfc_make_addr(mtd, command, column, page_addr,
+ &addr1234, &cycle0);
nfc_addr_cmd = cmd1 | cmd2 | vcmd2 | acycle | csid | dataen | nfcwr;
nfc_send_command(host, nfc_addr_cmd, addr1234, cycle0);
@@ -1962,10 +1963,8 @@ static int atmel_nand_probe(struct platform_device *pdev)
/* Allocate memory for the device structure (and zero it) */
host = devm_kzalloc(&pdev->dev, sizeof(*host), GFP_KERNEL);
- if (!host) {
- printk(KERN_ERR "atmel_nand: failed to allocate device structure.\n");
+ if (!host)
return -ENOMEM;
- }
res = platform_driver_register(&atmel_nand_nfc_driver);
if (res)
@@ -2063,14 +2062,14 @@ static int atmel_nand_probe(struct platform_device *pdev)
}
if (gpio_get_value(host->board.det_pin)) {
- printk(KERN_INFO "No SmartMedia card inserted.\n");
+ dev_info(&pdev->dev, "No SmartMedia card inserted.\n");
res = -ENXIO;
goto err_no_card;
}
}
if (host->board.on_flash_bbt || on_flash_bbt) {
- printk(KERN_INFO "atmel_nand: Use On Flash BBT\n");
+ dev_info(&pdev->dev, "Use On Flash BBT\n");
nand_chip->bbt_options |= NAND_BBT_USE_FLASH;
}