14 files changed, 31 insertions, 30 deletions

diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 24acd711e032..4708467e4d83 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -201,7 +201,7 @@ struct tegra_dma {
         struct clk                      *dma_clk;
         spinlock_t                      global_lock;
         void __iomem                    *base_addr;
-        struct tegra_dma_chip_data      *chip_data;
+        const struct tegra_dma_chip_data *chip_data;
 
         /* Some register need to be cache before suspend */
         u32                             reg_gen;
@@ -1173,14 +1173,14 @@ static void tegra_dma_free_chan_resources(struct dma_chan *dc)
 }
 
 /* Tegra20 specific DMA controller information */
-static struct tegra_dma_chip_data tegra20_dma_chip_data = {
+static const struct tegra_dma_chip_data tegra20_dma_chip_data = {
         .nr_channels            = 16,
         .max_dma_count          = 1024UL * 64,
 };
 
 #if defined(CONFIG_OF)
 /* Tegra30 specific DMA controller information */
-static struct tegra_dma_chip_data tegra30_dma_chip_data = {
+static const struct tegra_dma_chip_data tegra30_dma_chip_data = {
         .nr_channels            = 32,
         .max_dma_count          = 1024UL * 64,
 };
@@ -1204,7 +1204,7 @@ static int __devinit tegra_dma_probe(struct platform_device *pdev)
         struct tegra_dma *tdma;
         int ret;
         int i;
-        struct tegra_dma_chip_data *cdata = NULL;
+        const struct tegra_dma_chip_data *cdata = NULL;
 
         if (pdev->dev.of_node) {
                 const struct of_device_id *match;
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 5a1817eedd1b..9ae29cc0d17f 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -38,7 +38,7 @@ struct mpc8xxx_gpio_chip {
          */
         u32 data;
         struct irq_domain *irq;
-        void *of_dev_id_data;
+        const void *of_dev_id_data;
 };
 
 static inline u32 mpc8xxx_gpio2mask(unsigned int gpio)
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index e6efd77668f0..0725d181581f 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -1058,7 +1058,7 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev)
         struct device *dev = &pdev->dev;
         struct device_node *node = dev->of_node;
         const struct of_device_id *match;
-        struct omap_gpio_platform_data *pdata;
+        const struct omap_gpio_platform_data *pdata;
         struct resource *res;
         struct gpio_bank *bank;
         int ret = 0;
@@ -1440,19 +1440,19 @@ static struct omap_gpio_reg_offs omap4_gpio_regs = {
         .fallingdetect =        OMAP4_GPIO_FALLINGDETECT,
 };
 
-static struct omap_gpio_platform_data omap2_pdata = {
+const static struct omap_gpio_platform_data omap2_pdata = {
         .regs = &omap2_gpio_regs,
         .bank_width = 32,
         .dbck_flag = false,
 };
 
-static struct omap_gpio_platform_data omap3_pdata = {
+const static struct omap_gpio_platform_data omap3_pdata = {
         .regs = &omap2_gpio_regs,
         .bank_width = 32,
         .dbck_flag = true,
 };
 
-static struct omap_gpio_platform_data omap4_pdata = {
+const static struct omap_gpio_platform_data omap4_pdata = {
         .regs = &omap4_gpio_regs,
         .bank_width = 32,
         .dbck_flag = true,
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index b76731edbf10..57f7703ce2e8 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -647,7 +647,7 @@ static int __devinit fsl_i2c_probe(struct platform_device *op)
         }
 
         if (match->data) {
-                struct mpc_i2c_data *data = match->data;
+                const struct mpc_i2c_data *data = match->data;
                 data->setup(op->dev.of_node, i2c, clock, data->prescaler);
         } else {
                 /* Backwards compatibility */
@@ -730,24 +730,24 @@ static int mpc_i2c_resume(struct device *dev)
 SIMPLE_DEV_PM_OPS(mpc_i2c_pm_ops, mpc_i2c_suspend, mpc_i2c_resume);
 #endif
 
-static struct mpc_i2c_data mpc_i2c_data_512x __devinitdata = {
+static const struct mpc_i2c_data mpc_i2c_data_512x __devinitdata = {
         .setup = mpc_i2c_setup_512x,
 };
 
-static struct mpc_i2c_data mpc_i2c_data_52xx __devinitdata = {
+static const struct mpc_i2c_data mpc_i2c_data_52xx __devinitdata = {
         .setup = mpc_i2c_setup_52xx,
 };
 
-static struct mpc_i2c_data mpc_i2c_data_8313 __devinitdata = {
+static const struct mpc_i2c_data mpc_i2c_data_8313 __devinitdata = {
         .setup = mpc_i2c_setup_8xxx,
 };
 
-static struct mpc_i2c_data mpc_i2c_data_8543 __devinitdata = {
+static const struct mpc_i2c_data mpc_i2c_data_8543 __devinitdata = {
         .setup = mpc_i2c_setup_8xxx,
         .prescaler = 2,
 };
 
-static struct mpc_i2c_data mpc_i2c_data_8544 __devinitdata = {
+static const struct mpc_i2c_data mpc_i2c_data_8544 __devinitdata = {
         .setup = mpc_i2c_setup_8xxx,
         .prescaler = 3,
 };
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 5d19a49803c1..a0e49f6aaf96 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -944,7 +944,8 @@ omap_i2c_probe(struct platform_device *pdev)
         struct omap_i2c_dev     *dev;
         struct i2c_adapter      *adap;
         struct resource         *mem, *irq, *ioarea;
-        struct omap_i2c_bus_platform_data *pdata = pdev->dev.platform_data;
+        const struct omap_i2c_bus_platform_data *pdata =
+                pdev->dev.platform_data;
         struct device_node      *node = pdev->dev.of_node;
         const struct of_device_id *match;
         irq_handler_t isr;
diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c
index 831d7517c759..3f8d032f180f 100644
--- a/drivers/macintosh/mediabay.c
+++ b/drivers/macintosh/mediabay.c
@@ -63,7 +63,7 @@ struct media_bay_info {
         int                             value_count;
         int                             timer;
         struct macio_dev                *mdev;
-        struct mb_ops*                  ops;
+        const struct mb_ops*            ops;
         int                             index;
         int                             cached_gpio;
         int                             sleeping;
@@ -669,7 +669,7 @@ static int media_bay_resume(struct macio_dev *mdev)
 
 /* Definitions of "ops" structures.
  */
-static struct mb_ops ohare_mb_ops = {
+static const struct mb_ops ohare_mb_ops = {
         .name           = "Ohare",
         .content        = ohare_mb_content,
         .power          = ohare_mb_power,
@@ -678,7 +678,7 @@ static struct mb_ops ohare_mb_ops = {
         .un_reset_ide   = ohare_mb_un_reset_ide,
 };
 
-static struct mb_ops heathrow_mb_ops = {
+static const struct mb_ops heathrow_mb_ops = {
         .name           = "Heathrow",
         .content        = heathrow_mb_content,
         .power          = heathrow_mb_power,
@@ -687,7 +687,7 @@ static struct mb_ops heathrow_mb_ops = {
         .un_reset_ide   = heathrow_mb_un_reset_ide,
 };
 
-static struct mb_ops keylargo_mb_ops = {
+static const struct mb_ops keylargo_mb_ops = {
         .name           = "KeyLargo",
         .init           = keylargo_mb_init,
         .content        = keylargo_mb_content,
diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c
index 82c9d6450286..352c58b5a90d 100644
--- a/drivers/mfd/da9052-i2c.c
+++ b/drivers/mfd/da9052-i2c.c
@@ -46,7 +46,7 @@ static int da9052_i2c_enable_multiwrite(struct da9052 *da9052)
         return 0;
 }
 
-static struct i2c_device_id da9052_i2c_id[] = {
+static const struct i2c_device_id da9052_i2c_id[] = {
         {"da9052", DA9052},
         {"da9053-aa", DA9053_AA},
         {"da9053-ba", DA9053_BA},
@@ -104,7 +104,7 @@ static int __devinit da9052_i2c_probe(struct i2c_client *client,
                 const struct of_device_id *deviceid;
 
                 deviceid = of_match_node(dialog_dt_ids, np);
-                id = (const struct i2c_device_id *)deviceid->data;
+                id = deviceid->data;
         }
 #endif
 
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 686e256764c8..8e2d81f1ee4b 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1782,7 +1782,7 @@ static int __devinit omap_hsmmc_probe(struct platform_device *pdev)
         if (match) {
                 pdata = of_get_hsmmc_pdata(&pdev->dev);
                 if (match->data) {
-                        u16 *offsetp = match->data;
+                        const u16 *offsetp = match->data;
                         pdata->reg_offset = *offsetp;
                 }
         }
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
index 06adf881ea24..8a8df82988d1 100644
--- a/drivers/net/can/mscan/mpc5xxx_can.c
+++ b/drivers/net/can/mscan/mpc5xxx_can.c
@@ -380,12 +380,12 @@ static int mpc5xxx_can_resume(struct platform_device *ofdev)
 }
 #endif
 
-static struct mpc5xxx_can_data __devinitdata mpc5200_can_data = {
+static const struct mpc5xxx_can_data __devinitdata mpc5200_can_data = {
         .type = MSCAN_TYPE_MPC5200,
         .get_clock = mpc52xx_can_get_clock,
 };
 
-static struct mpc5xxx_can_data __devinitdata mpc5121_can_data = {
+static const struct mpc5xxx_can_data __devinitdata mpc5121_can_data = {
         .type = MSCAN_TYPE_MPC5121,
         .get_clock = mpc512x_can_get_clock,
 };
diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c
index 490bb82b5bdb..cfec9dd18ff5 100644
--- a/drivers/pcmcia/pxa2xx_base.c
+++ b/drivers/pcmcia/pxa2xx_base.c
@@ -297,7 +297,7 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev)
         }
 
         clk = clk_get(&dev->dev, NULL);
-        if (!clk)
+        if (IS_ERR(clk))
                 return -ENODEV;
 
         pxa2xx_drv_pcmcia_ops(ops);
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index e834ff8c0188..3bd9c691b796 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -97,7 +97,7 @@ struct spi_imx_data {
         const void *tx_buf;
         unsigned int txfifo; /* number of words pushed in tx FIFO */
 
-        struct spi_imx_devtype_data *devtype_data;
+        const struct spi_imx_devtype_data *devtype_data;
         int chipselect[0];
 };
 
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index b2fb141da375..569714ebffe0 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1116,7 +1116,7 @@ MODULE_DEVICE_TABLE(of, omap_mcspi_of_match);
 static int __devinit omap2_mcspi_probe(struct platform_device *pdev)
 {
         struct spi_master       *master;
-        struct omap2_mcspi_platform_config *pdata;
+        const struct omap2_mcspi_platform_config *pdata;
         struct omap2_mcspi      *mcspi;
         struct resource         *r;
         int                     status = 0, i;
diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c
index f19d04ed8586..8cf577008ad7 100644
--- a/drivers/tty/serial/mpc52xx_uart.c
+++ b/drivers/tty/serial/mpc52xx_uart.c
@@ -598,7 +598,7 @@ static struct psc_ops mpc512x_psc_ops = {
 };
 #endif
 
-static struct psc_ops *psc_ops;
+static const struct psc_ops *psc_ops;
 
 /* ======================================================================== */
 /* UART operations                                                          */
diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index 40f7bf1f8654..e6a038ae8dc2 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -193,7 +193,7 @@ static int __devinit mpc8xxx_wdt_probe(struct platform_device *ofdev)
         int ret;
         const struct of_device_id *match;
         struct device_node *np = ofdev->dev.of_node;
-        struct mpc8xxx_wdt_type *wdt_type;
+        const struct mpc8xxx_wdt_type *wdt_type;
         u32 freq = fsl_get_sys_freq();
         bool enabled;