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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 19:17:30 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-07 19:17:30 +0200
commitc29aa153ef0469cddf0146d41ce6494bd76be78b (patch)
treeb49af4e6cf54e9988dd45640a86c4de7f49ddf6d /drivers/mtd/nand/atmel_nand.c
parentMerge tag 'nfs-for-3.15-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs (diff)
parentFix index regression in nand_read_subpage (diff)
downloadlinux-c29aa153ef0469cddf0146d41ce6494bd76be78b.tar.xz
linux-c29aa153ef0469cddf0146d41ce6494bd76be78b.zip
Merge tag 'for-linus-20140405' of git://git.infradead.org/linux-mtd
Pull MTD updates from Brian Norris: - A few SPI NOR ID definitions - Kill the NAND "max pagesize" restriction - Fix some x16 bus-width NAND support - Add NAND JEDEC parameter page support - DT bindings for NAND ECC - GPMI NAND updates (subpage reads) - More OMAP NAND refactoring - New STMicro SPI NOR driver (now in 40 patches!) - A few other random bugfixes * tag 'for-linus-20140405' of git://git.infradead.org/linux-mtd: (120 commits) Fix index regression in nand_read_subpage mtd: diskonchip: mem resource name is not optional mtd: nand: fix mention to CONFIG_MTD_NAND_ECC_BCH mtd: nand: fix GET/SET_FEATURES address on 16-bit devices mtd: omap2: Use devm_ioremap_resource() mtd: denali_dt: Use devm_ioremap_resource() mtd: devices: elm: update DRIVER_NAME as "omap-elm" mtd: devices: elm: configure parallel channels based on ecc_steps mtd: devices: elm: clean elm_load_syndrome mtd: devices: elm: check for hardware engine's design constraints mtd: st_spi_fsm: Succinctly reorganise .remove() mtd: st_spi_fsm: Allow loop to run at least once before giving up CPU mtd: st_spi_fsm: Correct vendor name spelling issue - missing "M" mtd: st_spi_fsm: Avoid duplicating MTD core code mtd: st_spi_fsm: Remove useless consts from function arguments mtd: st_spi_fsm: Convert ST SPI FSM (NOR) Flash driver to new DT partitions mtd: st_spi_fsm: Move runtime configurable msg sequences into device's struct mtd: st_spi_fsm: Supply the W25Qxxx chip specific configuration call-back mtd: st_spi_fsm: Supply the S25FLxxx chip specific configuration call-back mtd: st_spi_fsm: Supply the MX25xxx chip specific configuration call-back ...
Diffstat (limited to 'drivers/mtd/nand/atmel_nand.c')
-rw-r--r--drivers/mtd/nand/atmel_nand.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index c36e9b84487c..4ce181a35bcd 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -430,7 +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;
}
@@ -1220,6 +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;
@@ -1659,8 +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;
@@ -1674,7 +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)
@@ -1787,8 +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);