summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/devices/m25p80.c28
-rw-r--r--drivers/mtd/maps/physmap.c26
-rw-r--r--drivers/mtd/nand/fsl_upm.c8
-rw-r--r--drivers/mtd/nand/pasemi_nand.c1
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c1
-rw-r--r--drivers/mtd/onenand/omap2.c17
6 files changed, 40 insertions, 41 deletions
diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 76a76751da3..6659b2275c0 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -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;
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 42d844f8f6b..dfbf3f270ce 100644
--- a/drivers/mtd/maps/physmap.c
+++ b/drivers/mtd/maps/physmap.c
@@ -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;
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 024e3fffd4b..a83192f80eb 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -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);
diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
index 75c89903902..9bd6c9ac844 100644
--- a/drivers/mtd/nand/pasemi_nand.c
+++ b/drivers/mtd/nand/pasemi_nand.c
@@ -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;
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index c0fa9c9edf0..15f0a26730a 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -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,
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index e39b21d3e16..a7e4d985f5e 100644
--- a/drivers/mtd/onenand/omap2.c
+++ b/drivers/mtd/onenand/omap2.c
@@ -32,19 +32,18 @@
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/io.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 <mach/gpmc.h>
+#include <mach/onenand.h>
+#include <mach/gpio.h>
+#include <mach/pm.h>
-#include <linux/dma-mapping.h>
-#include <asm/dma-mapping.h>
-#include <asm/arch/dma.h>
+#include <mach/dma.h>
-#include <asm/arch/board.h>
+#include <mach/board.h>
#define DRIVER_NAME "omap2-onenand"
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-26 18:33:39 +0000