diff options
Diffstat (limited to 'drivers/mtd')
-rw-r--r-- | drivers/mtd/ftl.c | 4 | ||||
-rw-r--r-- | drivers/mtd/maps/omap_nor.c | 23 | ||||
-rw-r--r-- | drivers/mtd/maps/pcmciamtd.c | 9 | ||||
-rw-r--r-- | drivers/mtd/mtdchar.c | 22 | ||||
-rw-r--r-- | drivers/mtd/nand/orion_nand.c | 3 | ||||
-rw-r--r-- | drivers/mtd/ubi/cdev.c | 7 |
6 files changed, 43 insertions, 25 deletions
diff --git a/drivers/mtd/ftl.c b/drivers/mtd/ftl.c index 4a79b187b568..5c29872184e6 100644 --- a/drivers/mtd/ftl.c +++ b/drivers/mtd/ftl.c @@ -130,10 +130,6 @@ typedef struct partition_t { u_int16_t DataUnits; u_int32_t BlocksPerUnit; erase_unit_header_t header; -#if 0 - region_info_t region; - memory_handle_t handle; -#endif } partition_t; /* Partition state flags */ diff --git a/drivers/mtd/maps/omap_nor.c b/drivers/mtd/maps/omap_nor.c index c12d8056bebd..68eec6c6c517 100644 --- a/drivers/mtd/maps/omap_nor.c +++ b/drivers/mtd/maps/omap_nor.c @@ -60,13 +60,22 @@ struct omapflash_info { static void omap_set_vpp(struct map_info *map, int enable) { static int count; - - if (enable) { - if (count++ == 0) - OMAP_EMIFS_CONFIG_REG |= OMAP_EMIFS_CONFIG_WP; - } else { - if (count && (--count == 0)) - OMAP_EMIFS_CONFIG_REG &= ~OMAP_EMIFS_CONFIG_WP; + u32 l; + + if (cpu_class_is_omap1()) { + if (enable) { + if (count++ == 0) { + l = omap_readl(EMIFS_CONFIG); + l |= OMAP_EMIFS_CONFIG_WP; + omap_writel(l, EMIFS_CONFIG); + } + } else { + if (count && (--count == 0)) { + l = omap_readl(EMIFS_CONFIG); + l &= ~OMAP_EMIFS_CONFIG_WP; + omap_writel(l, EMIFS_CONFIG); + } + } } } diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index 1912d968718b..0cc31675aeb9 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c @@ -498,17 +498,14 @@ static int pcmciamtd_config(struct pcmcia_device *link) int i; config_info_t t; static char *probes[] = { "jedec_probe", "cfi_probe" }; - cisinfo_t cisinfo; int new_name = 0; DEBUG(3, "link=0x%p", link); DEBUG(2, "Validating CIS"); - ret = pcmcia_validate_cis(link, &cisinfo); + ret = pcmcia_validate_cis(link, NULL); if(ret != CS_SUCCESS) { cs_error(link, GetTupleData, ret); - } else { - DEBUG(2, "ValidateCIS found %d chains", cisinfo.Chains); } card_settings(dev, link, &new_name); @@ -563,9 +560,7 @@ static int pcmciamtd_config(struct pcmcia_device *link) DEBUG(1, "Allocated a window of %dKiB", dev->win_size >> 10); /* Get write protect status */ - CS_CHECK(GetStatus, pcmcia_get_status(link, &status)); - DEBUG(2, "status value: 0x%x window handle = 0x%8.8lx", - status.CardState, (unsigned long)link->win); + DEBUG(2, "window handle = 0x%8.8lx", (unsigned long)link->win); dev->win_base = ioremap(req.Base, req.Size); if(!dev->win_base) { err("ioremap(%lu, %u) failed", req.Base, req.Size); diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c index 5d3ac512ce16..129d429cd2da 100644 --- a/drivers/mtd/mtdchar.c +++ b/drivers/mtd/mtdchar.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/sched.h> +#include <linux/smp_lock.h> #include <linux/mtd/mtd.h> #include <linux/mtd/compatmac.h> @@ -86,6 +87,7 @@ static int mtd_open(struct inode *inode, struct file *file) { int minor = iminor(inode); int devnum = minor >> 1; + int ret = 0; struct mtd_info *mtd; struct mtd_file_info *mfi; @@ -98,31 +100,39 @@ static int mtd_open(struct inode *inode, struct file *file) if ((file->f_mode & 2) && (minor & 1)) return -EACCES; + lock_kernel(); mtd = get_mtd_device(NULL, devnum); - if (IS_ERR(mtd)) - return PTR_ERR(mtd); + if (IS_ERR(mtd)) { + ret = PTR_ERR(mtd); + goto out; + } if (MTD_ABSENT == mtd->type) { put_mtd_device(mtd); - return -ENODEV; + ret = -ENODEV; + goto out; } /* You can't open it RW if it's not a writeable device */ if ((file->f_mode & 2) && !(mtd->flags & MTD_WRITEABLE)) { put_mtd_device(mtd); - return -EACCES; + ret = -EACCES; + goto out; } mfi = kzalloc(sizeof(*mfi), GFP_KERNEL); if (!mfi) { put_mtd_device(mtd); - return -ENOMEM; + ret = -ENOMEM; + goto out; } mfi->mtd = mtd; file->private_data = mfi; - return 0; +out: + unlock_kernel(); + return ret; } /* mtd_open */ /*====================================================================*/ diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index 59e05a1c50cf..ee2ac3948cd8 100644 --- a/drivers/mtd/nand/orion_nand.c +++ b/drivers/mtd/nand/orion_nand.c @@ -85,6 +85,9 @@ static int __init orion_nand_probe(struct platform_device *pdev) nc->cmd_ctrl = orion_nand_cmd_ctrl; nc->ecc.mode = NAND_ECC_SOFT; + if (board->chip_delay) + nc->chip_delay = board->chip_delay; + if (board->width == 16) nc->options |= NAND_BUSWIDTH_16; diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index 9d6aae5449b6..89193ba9451e 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -39,6 +39,7 @@ #include <linux/stat.h> #include <linux/ioctl.h> #include <linux/capability.h> +#include <linux/smp_lock.h> #include <mtd/ubi-user.h> #include <asm/uaccess.h> #include <asm/div64.h> @@ -103,9 +104,12 @@ static int vol_cdev_open(struct inode *inode, struct file *file) struct ubi_volume_desc *desc; int vol_id = iminor(inode) - 1, mode, ubi_num; + lock_kernel(); ubi_num = ubi_major2num(imajor(inode)); - if (ubi_num < 0) + if (ubi_num < 0) { + unlock_kernel(); return ubi_num; + } if (file->f_mode & FMODE_WRITE) mode = UBI_READWRITE; @@ -115,6 +119,7 @@ static int vol_cdev_open(struct inode *inode, struct file *file) dbg_msg("open volume %d, mode %d", vol_id, mode); desc = ubi_open_volume(ubi_num, vol_id, mode); + unlock_kernel(); if (IS_ERR(desc)) return PTR_ERR(desc); |