11 files changed, 57 insertions, 59 deletions

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 76a76751da36..6659b2275c0c 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/dc21285.c b/drivers/mtd/maps/dc21285.c
index 3aa018c092f8..42969fe051b2 100644
--- a/drivers/mtd/maps/dc21285.c
+++ b/drivers/mtd/maps/dc21285.c
@@ -32,16 +32,15 @@ static struct mtd_info *dc21285_mtd;
  */
 static void nw_en_write(void)
 {
-        extern spinlock_t gpio_lock;
         unsigned long flags;
 
         /*
          * we want to write a bit pattern XXX1 to Xilinx to enable
          * the write gate, which will be open for about the next 2ms.
          */
-        spin_lock_irqsave(&gpio_lock, flags);
-        cpld_modify(1, 1);
-        spin_unlock_irqrestore(&gpio_lock, flags);
+        spin_lock_irqsave(&nw_gpio_lock, flags);
+        nw_cpld_modify(CPLD_FLASH_WR_ENABLE, CPLD_FLASH_WR_ENABLE);
+        spin_unlock_irqrestore(&nw_gpio_lock, flags);
 
         /*
          * let the ISA bus to catch on...
diff --git a/drivers/mtd/maps/ixp2000.c b/drivers/mtd/maps/ixp2000.c
index dcdb1f17577d..3ea1de9be720 100644
--- a/drivers/mtd/maps/ixp2000.c
+++ b/drivers/mtd/maps/ixp2000.c
@@ -170,7 +170,7 @@ static int ixp2000_flash_probe(struct platform_device *dev)
                 err = -ENOMEM;
                 goto Error;
         }
-        memzero(info, sizeof(struct ixp2000_flash_info));
+        memset(info, 0, sizeof(struct ixp2000_flash_info));
 
         platform_set_drvdata(dev, info);
 
diff --git a/drivers/mtd/maps/ixp4xx.c b/drivers/mtd/maps/ixp4xx.c
index 9c7a5fbd4e51..16555cbeaea4 100644
--- a/drivers/mtd/maps/ixp4xx.c
+++ b/drivers/mtd/maps/ixp4xx.c
@@ -201,7 +201,7 @@ static int ixp4xx_flash_probe(struct platform_device *dev)
                 err = -ENOMEM;
                 goto Error;
         }
-        memzero(info, sizeof(struct ixp4xx_flash_info));
+        memset(info, 0, sizeof(struct ixp4xx_flash_info));
 
         platform_set_drvdata(dev, info);
 
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
index 42d844f8f6bf..dfbf3f270cea 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/Kconfig b/drivers/mtd/nand/Kconfig
index 1c2e9450d663..f8ae0400c49c 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -408,7 +408,7 @@ config MTD_NAND_FSL_UPM
 
 config MTD_NAND_MXC
         tristate "MXC NAND support"
-        depends on ARCH_MX2
+        depends on ARCH_MX2 || ARCH_MX3
         help
           This enables the driver for the NAND flash controller on the
           MXC processors.
diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index 024e3fffd4bb..a83192f80eba 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 75c899039023..9bd6c9ac8443 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 c0fa9c9edf08..fc4144495610 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -20,8 +20,8 @@
 #include <linux/mtd/partitions.h>
 #include <linux/io.h>
 #include <linux/irq.h>
-#include <asm/dma.h>
 
+#include <mach/dma.h>
 #include <mach/pxa-regs.h>
 #include <mach/pxa3xx_nand.h>
 
@@ -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,
@@ -1079,7 +1080,7 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
         this = &info->nand_chip;
         mtd->priv = info;
 
-        info->clk = clk_get(&pdev->dev, "NANDCLK");
+        info->clk = clk_get(&pdev->dev, NULL);
         if (IS_ERR(info->clk)) {
                 dev_err(&pdev->dev, "failed to get nand clock\n");
                 ret = PTR_ERR(info->clk);
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 556139ed1fdf..8e375d5fe231 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -45,8 +45,8 @@
 
 #include <asm/io.h>
 
-#include <asm/plat-s3c/regs-nand.h>
-#include <asm/plat-s3c/nand.h>
+#include <plat/regs-nand.h>
+#include <plat/nand.h>
 
 #ifdef CONFIG_MTD_NAND_S3C2410_HWECC
 static int hardware_ecc = 1;
@@ -818,7 +818,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev,
                 goto exit_error;
         }
 
-        memzero(info, sizeof(*info));
+        memset(info, 0, sizeof(*info));
         platform_set_drvdata(pdev, info);
 
         spin_lock_init(&info->controller.lock);
@@ -883,7 +883,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev,
                 goto exit_error;
         }
 
-        memzero(info->mtds, size);
+        memset(info->mtds, 0, size);
 
         /* initialise all possible chips */
 
diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c
index e39b21d3e168..d1e0b8e7224b 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"
 
@@ -150,7 +149,7 @@ static int omap2_onenand_wait(struct mtd_info *mtd, int state)
 
                 INIT_COMPLETION(c->irq_done);
                 if (c->gpio_irq) {
-                        result = omap_get_gpio_datain(c->gpio_irq);
+                        result = gpio_get_value(c->gpio_irq);
                         if (result == -1) {
                                 ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS);
                                 intr = read_reg(c, ONENAND_REG_INTERRUPT);
@@ -635,9 +634,9 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev)
                                 "OneNAND\n", c->gpio_irq);
                         goto err_iounmap;
         }
-        omap_set_gpio_direction(c->gpio_irq, 1);
+        gpio_direction_input(c->gpio_irq);
 
-        if ((r = request_irq(OMAP_GPIO_IRQ(c->gpio_irq),
+        if ((r = request_irq(gpio_to_irq(c->gpio_irq),
                              omap2_onenand_interrupt, IRQF_TRIGGER_RISING,
                              pdev->dev.driver->name, c)) < 0)
                 goto err_release_gpio;
@@ -724,7 +723,7 @@ err_release_dma:
         if (c->dma_channel != -1)
                 omap_free_dma(c->dma_channel);
         if (c->gpio_irq)
-                free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c);
+                free_irq(gpio_to_irq(c->gpio_irq), c);
 err_release_gpio:
         if (c->gpio_irq)
                 omap_free_gpio(c->gpio_irq);
@@ -761,7 +760,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
         omap2_onenand_shutdown(pdev);
         platform_set_drvdata(pdev, NULL);
         if (c->gpio_irq) {
-                free_irq(OMAP_GPIO_IRQ(c->gpio_irq), c);
+                free_irq(gpio_to_irq(c->gpio_irq), c);
                 omap_free_gpio(c->gpio_irq);
         }
         iounmap(c->onenand.base);