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Merge git://git.infradead.org/mtd-2.6 

* git://git.infradead.org/mtd-2.6:
  [MTD] [NAND] fix OOPS accessing flash operations over STM flash on PXA
  [MTD] [NAND] drivers/mtd/nand/pasemi_nand.c: Add missing pci_dev_put
  [MTD] [NAND] fsl_upm: fix build problem with 2.6.28-rc2
  [MTD] physmap: fix memory leak on physmap_flash_remove by using devres
  [MTD] m25p80: chip erase != block erase != sector erase
  [MTD] m25p80: fix detection of m25p16 flashes
  [MTD] m25p80: fix detection of SPI parts
  [MTD] [NAND] OMAP: OneNAND: header file relocation (part 2)
  [MTD] [NAND] OMAP: OneNAND: header file relocation
This commit is contained in:
Linus Torvalds 2008-12-09 08:28:36 -08:00
parent b749e3f8d7 e93f1be503
commit 4d9c6a21be
6 changed files with 42 additions and 43 deletions
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28
drivers/mtd/devices/m25p80.c
View File

@ -37,9 +37,9 @@
#define OPCODE_NORM_READ 0x03 /* Read data bytes (low frequency) */
#define OPCODE_FAST_READ 0x0b /* Read data bytes (high frequency) */
#define OPCODE_PP 0x02 /* Page program (up to 256 bytes) */
#define OPCODE_BE_4K 0x20 /* Erase 4KiB block */
#define OPCODE_BE_4K 0x20 /* Erase 4KiB block */
#define OPCODE_BE_32K 0x52 /* Erase 32KiB block */
#define OPCODE_BE 0xc7 /* Erase whole flash block */
#define OPCODE_CHIP_ERASE 0xc7 /* Erase whole flash chip */
#define OPCODE_SE 0xd8 /* Sector erase (usually 64KiB) */
#define OPCODE_RDID 0x9f /* Read JEDEC ID */
@ -167,7 +167,7 @@ static int wait_till_ready(struct m25p *flash)
*
* Returns 0 if successful, non-zero otherwise.
*/
static int erase_block(struct m25p *flash)
static int erase_chip(struct m25p *flash)
{
DEBUG(MTD_DEBUG_LEVEL3, "%s: %s %dKiB\n",
flash->spi->dev.bus_id, __func__,
@ -181,7 +181,7 @@ static int erase_block(struct m25p *flash)
write_enable(flash);
/* Set up command buffer. */
flash->command[0] = OPCODE_BE;
flash->command[0] = OPCODE_CHIP_ERASE;
spi_write(flash->spi, flash->command, 1);
@ -250,15 +250,18 @@ static int m25p80_erase(struct mtd_info *mtd, struct erase_info *instr)
mutex_lock(&flash->lock);
/* REVISIT in some cases we could speed up erasing large regions
* by using OPCODE_SE instead of OPCODE_BE_4K
*/
/* now erase those sectors */
if (len == flash->mtd.size && erase_block(flash)) {
/* whole-chip erase? */
if (len == flash->mtd.size && erase_chip(flash)) {
instr->state = MTD_ERASE_FAILED;
mutex_unlock(&flash->lock);
return -EIO;
/* REVISIT in some cases we could speed up erasing large regions
* by using OPCODE_SE instead of OPCODE_BE_4K. We may have set up
* to use "small sector erase", but that's not always optimal.
*/
/* "sector"-at-a-time erase */
} else {
while (len) {
if (erase_sector(flash, addr)) {
@ -574,10 +577,11 @@ static struct flash_info *__devinit jedec_probe(struct spi_device *spi)
for (tmp = 0, info = m25p_data;
tmp < ARRAY_SIZE(m25p_data);
tmp++, info++) {
if (info->jedec_id == jedec)
if (ext_jedec != 0 && info->ext_id != ext_jedec)
if (info->jedec_id == jedec) {
if (info->ext_id != 0 && info->ext_id != ext_jedec)
continue;
return info;
}
}
dev_err(&spi->dev, "unrecognized JEDEC id %06x\n", jedec);
return NULL;

26
drivers/mtd/maps/physmap.c
View File

@ -19,7 +19,7 @@
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/concat.h>
#include <asm/io.h>
#include <linux/io.h>
#define MAX_RESOURCES 4
@ -27,7 +27,6 @@ struct physmap_flash_info {
struct mtd_info *mtd[MAX_RESOURCES];
struct mtd_info *cmtd;
struct map_info map[MAX_RESOURCES];
struct resource *res;
#ifdef CONFIG_MTD_PARTITIONS
int nr_parts;
struct mtd_partition *parts;
@ -70,16 +69,7 @@ static int physmap_flash_remove(struct platform_device *dev)
#endif
map_destroy(info->mtd[i]);
}
if (info->map[i].virt != NULL)
iounmap(info->map[i].virt);
}
if (info->res != NULL) {
release_resource(info->res);
kfree(info->res);
}
return 0;
}
@ -101,7 +91,8 @@ static int physmap_flash_probe(struct platform_device *dev)
if (physmap_data == NULL)
return -ENODEV;
info = kzalloc(sizeof(struct physmap_flash_info), GFP_KERNEL);
info = devm_kzalloc(&dev->dev, sizeof(struct physmap_flash_info),
GFP_KERNEL);
if (info == NULL) {
err = -ENOMEM;
goto err_out;
@ -114,10 +105,10 @@ static int physmap_flash_probe(struct platform_device *dev)
(unsigned long long)(dev->resource[i].end - dev->resource[i].start + 1),
(unsigned long long)dev->resource[i].start);
info->res = request_mem_region(dev->resource[i].start,
dev->resource[i].end - dev->resource[i].start + 1,
dev->dev.bus_id);
if (info->res == NULL) {
if (!devm_request_mem_region(&dev->dev,
dev->resource[i].start,
dev->resource[i].end - dev->resource[i].start + 1,
dev->dev.bus_id)) {
dev_err(&dev->dev, "Could not reserve memory region\n");
err = -ENOMEM;
goto err_out;
@ -129,7 +120,8 @@ static int physmap_flash_probe(struct platform_device *dev)
info->map[i].bankwidth = physmap_data->width;
info->map[i].set_vpp = physmap_data->set_vpp;
info->map[i].virt = ioremap(info->map[i].phys, info->map[i].size);
info->map[i].virt = devm_ioremap(&dev->dev, info->map[i].phys,
info->map[i].size);
if (info->map[i].virt == NULL) {
dev_err(&dev->dev, "Failed to ioremap flash region\n");
err = EIO;

8
drivers/mtd/nand/fsl_upm.c
View File

@ -163,9 +163,11 @@ static int __devinit fun_chip_init(struct fsl_upm_nand *fun,
ret = parse_mtd_partitions(&fun->mtd, part_types, &fun->parts, 0);
#ifdef CONFIG_MTD_OF_PARTS
if (ret == 0)
ret = of_mtd_parse_partitions(fun->dev, &fun->mtd,
flash_np, &fun->parts);
if (ret == 0) {
ret = of_mtd_parse_partitions(fun->dev, flash_np, &fun->parts);
if (ret < 0)
goto err;
}
#endif
if (ret > 0)
ret = add_mtd_partitions(&fun->mtd, fun->parts, ret);

1
drivers/mtd/nand/pasemi_nand.c
View File

@ -141,6 +141,7 @@ static int __devinit pasemi_nand_probe(struct of_device *ofdev,
}
lpcctl = pci_resource_start(pdev, 0);
pci_dev_put(pdev);
if (!request_region(lpcctl, 4, driver_name)) {
err = -EBUSY;

1
drivers/mtd/nand/pxa3xx_nand.c
View File

@ -269,6 +269,7 @@ static struct pxa3xx_nand_timing stm2GbX16_timing = {
static struct pxa3xx_nand_flash stm2GbX16 = {
.timing = &stm2GbX16_timing,
.cmdset = &largepage_cmdset,
.page_per_block = 64,
.page_size = 2048,
.flash_width = 16,

21
drivers/mtd/onenand/omap2.c
View File

@ -32,19 +32,18 @@
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <asm/mach/flash.h>
#include <asm/arch/gpmc.h>
#include <asm/arch/onenand.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pm.h>
#include <linux/dma-mapping.h>
#include <asm/dma-mapping.h>
#include <asm/arch/dma.h>
#include <linux/io.h>
#include <asm/arch/board.h>
#include <asm/mach/flash.h>
#include <mach/gpmc.h>
#include <mach/onenand.h>
#include <mach/gpio.h>
#include <mach/pm.h>
#include <mach/dma.h>
#include <mach/board.h>
#define DRIVER_NAME "omap2-onenand"