diff options
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/devices/slram.c | 2 | ||||
-rw-r--r-- | drivers/mtd/nand/mxc_nand.c | 96 | ||||
-rw-r--r-- | drivers/mtd/nand/nand_base.c | 10 | ||||
-rw-r--r-- | drivers/mtd/nand/omap2.c | 1 | ||||
-rw-r--r-- | drivers/mtd/ofpart.c | 2 | ||||
-rw-r--r-- | drivers/mtd/onenand/omap2.c | 2 | ||||
-rw-r--r-- | drivers/mtd/onenand/onenand_base.c | 2 |
7 files changed, 70 insertions, 45 deletions
diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index 8f52fc858e48..5a5cd2ace4a6 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -240,7 +240,7 @@ static int parse_cmdline(char *devname, char *szstart, char *szlength) if (*(szlength) != '+') { devlength = simple_strtoul(szlength, &buffer, 0); - devlength = handle_unit(devlength, buffer) - devstart; + devlength = handle_unit(devlength, buffer); if (devlength < devstart) goto err_out; diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 72e31d86030d..022dcdc256fb 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -37,15 +37,9 @@ #include <asm/mach/flash.h> #include <linux/platform_data/mtd-mxc_nand.h> -#include <mach/hardware.h> #define DRIVER_NAME "mxc_nand" -#define nfc_is_v21() (cpu_is_mx25() || cpu_is_mx35()) -#define nfc_is_v1() (cpu_is_mx31() || cpu_is_mx27() || cpu_is_mx21()) -#define nfc_is_v3_2a() cpu_is_mx51() -#define nfc_is_v3_2b() cpu_is_mx53() - /* Addresses for NFC registers */ #define NFC_V1_V2_BUF_SIZE (host->regs + 0x00) #define NFC_V1_V2_BUF_ADDR (host->regs + 0x04) @@ -1283,6 +1277,53 @@ static const struct mxc_nand_devtype_data imx53_nand_devtype_data = { .ppb_shift = 8, }; +static inline int is_imx21_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx21_nand_devtype_data; +} + +static inline int is_imx27_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx27_nand_devtype_data; +} + +static inline int is_imx25_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx25_nand_devtype_data; +} + +static inline int is_imx51_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx51_nand_devtype_data; +} + +static inline int is_imx53_nfc(struct mxc_nand_host *host) +{ + return host->devtype_data == &imx53_nand_devtype_data; +} + +static struct platform_device_id mxcnd_devtype[] = { + { + .name = "imx21-nand", + .driver_data = (kernel_ulong_t) &imx21_nand_devtype_data, + }, { + .name = "imx27-nand", + .driver_data = (kernel_ulong_t) &imx27_nand_devtype_data, + }, { + .name = "imx25-nand", + .driver_data = (kernel_ulong_t) &imx25_nand_devtype_data, + }, { + .name = "imx51-nand", + .driver_data = (kernel_ulong_t) &imx51_nand_devtype_data, + }, { + .name = "imx53-nand", + .driver_data = (kernel_ulong_t) &imx53_nand_devtype_data, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, mxcnd_devtype); + #ifdef CONFIG_OF_MTD static const struct of_device_id mxcnd_dt_ids[] = { { @@ -1337,32 +1378,6 @@ static int __init mxcnd_probe_dt(struct mxc_nand_host *host) } #endif -static int __init mxcnd_probe_pdata(struct mxc_nand_host *host) -{ - struct mxc_nand_platform_data *pdata = host->dev->platform_data; - - if (!pdata) - return -ENODEV; - - host->pdata = *pdata; - - if (nfc_is_v1()) { - if (cpu_is_mx21()) - host->devtype_data = &imx21_nand_devtype_data; - else - host->devtype_data = &imx27_nand_devtype_data; - } else if (nfc_is_v21()) { - host->devtype_data = &imx25_nand_devtype_data; - } else if (nfc_is_v3_2a()) { - host->devtype_data = &imx51_nand_devtype_data; - } else if (nfc_is_v3_2b()) { - host->devtype_data = &imx53_nand_devtype_data; - } else - BUG(); - - return 0; -} - static int __devinit mxcnd_probe(struct platform_device *pdev) { struct nand_chip *this; @@ -1404,8 +1419,16 @@ static int __devinit mxcnd_probe(struct platform_device *pdev) return PTR_ERR(host->clk); err = mxcnd_probe_dt(host); - if (err > 0) - err = mxcnd_probe_pdata(host); + if (err > 0) { + struct mxc_nand_platform_data *pdata = pdev->dev.platform_data; + if (pdata) { + host->pdata = *pdata; + host->devtype_data = (struct mxc_nand_devtype_data *) + pdev->id_entry->driver_data; + } else { + err = -ENODEV; + } + } if (err < 0) return err; @@ -1494,7 +1517,7 @@ static int __devinit mxcnd_probe(struct platform_device *pdev) } /* first scan to find the device and get the page size */ - if (nand_scan_ident(mtd, nfc_is_v21() ? 4 : 1, NULL)) { + if (nand_scan_ident(mtd, is_imx25_nfc(host) ? 4 : 1, NULL)) { err = -ENXIO; goto escan; } @@ -1508,7 +1531,7 @@ static int __devinit mxcnd_probe(struct platform_device *pdev) this->ecc.layout = host->devtype_data->ecclayout_4k; if (this->ecc.mode == NAND_ECC_HW) { - if (nfc_is_v1()) + if (is_imx21_nfc(host) || is_imx27_nfc(host)) this->ecc.strength = 1; else this->ecc.strength = (host->eccsize == 4) ? 4 : 8; @@ -1555,6 +1578,7 @@ static struct platform_driver mxcnd_driver = { .owner = THIS_MODULE, .of_match_table = of_match_ptr(mxcnd_dt_ids), }, + .id_table = mxcnd_devtype, .probe = mxcnd_probe, .remove = __devexit_p(mxcnd_remove), }; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index ec6841d8e956..1a03b7f673ce 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2983,13 +2983,15 @@ static void nand_decode_ext_id(struct mtd_info *mtd, struct nand_chip *chip, /* * Field definitions are in the following datasheets: * Old style (4,5 byte ID): Samsung K9GAG08U0M (p.32) - * New style (6 byte ID): Samsung K9GAG08U0F (p.44) + * New Samsung (6 byte ID): Samsung K9GAG08U0F (p.44) * Hynix MLC (6 byte ID): Hynix H27UBG8T2B (p.22) * - * Check for ID length, cell type, and Hynix/Samsung ID to decide what - * to do. + * Check for ID length, non-zero 6th byte, cell type, and Hynix/Samsung + * ID to decide what to do. */ - if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG) { + if (id_len == 6 && id_data[0] == NAND_MFR_SAMSUNG && + (chip->cellinfo & NAND_CI_CELLTYPE_MSK) && + id_data[5] != 0x00) { /* Calc pagesize */ mtd->writesize = 2048 << (extid & 0x03); extid >>= 2; diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 5c8978e90240..1f34ba104ef4 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -27,7 +27,6 @@ #include <linux/bch.h> #endif -#include <plat-omap/dma-omap.h> #include <linux/platform_data/mtd-nand-omap2.h> #define DRIVER_NAME "omap2-nand" diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index 64be8f0848b0..d9127e2ed808 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -121,7 +121,7 @@ static int parse_ofoldpart_partitions(struct mtd_info *master, nr_parts = plen / sizeof(part[0]); *pparts = kzalloc(nr_parts * sizeof(*(*pparts)), GFP_KERNEL); - if (!pparts) + if (!*pparts) return -ENOMEM; names = of_get_property(dp, "partition-names", &plen); diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 99f96e19ebea..00cd3da29435 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -41,7 +41,7 @@ #include <linux/platform_data/mtd-onenand-omap2.h> #include <asm/gpio.h> -#include <plat-omap/dma-omap.h> +#include <linux/omap-dma.h> #define DRIVER_NAME "omap2-onenand" diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c index 7153e0d27101..b3f41f200622 100644 --- a/drivers/mtd/onenand/onenand_base.c +++ b/drivers/mtd/onenand/onenand_base.c @@ -3694,7 +3694,7 @@ static int flexonenand_check_blocks_erased(struct mtd_info *mtd, int start, int * flexonenand_set_boundary - Writes the SLC boundary * @param mtd - mtd info structure */ -int flexonenand_set_boundary(struct mtd_info *mtd, int die, +static int flexonenand_set_boundary(struct mtd_info *mtd, int die, int boundary, int lock) { struct onenand_chip *this = mtd->priv; |