12 files changed, 126 insertions, 40 deletions

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 89cafc93724..d9f8c844c38 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -36,10 +36,6 @@ static struct clk_functions *arch_clock;
  * Standard clock functions defined in include/linux/clk.h
  *-------------------------------------------------------------------------*/
 
-/* This functions is moved to arch/arm/common/clkdev.c. For OMAP4 since
- * clock framework is not up , it is defined here to avoid rework in
- * every driver. Also dummy prcm reset function is added */
-
 int clk_enable(struct clk *clk)
 {
         unsigned long flags;
@@ -305,7 +301,6 @@ void clk_enable_init_clocks(void)
                         clk_enable(clkp);
         }
 }
-EXPORT_SYMBOL(clk_enable_init_clocks);
 
 /*
  * Low level helpers
@@ -334,7 +329,16 @@ void clk_init_cpufreq_table(struct cpufreq_frequency_table **table)
                 arch_clock->clk_init_cpufreq_table(table);
         spin_unlock_irqrestore(&clockfw_lock, flags);
 }
-EXPORT_SYMBOL(clk_init_cpufreq_table);
+
+void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&clockfw_lock, flags);
+        if (arch_clock->clk_exit_cpufreq_table)
+                arch_clock->clk_exit_cpufreq_table(table);
+        spin_unlock_irqrestore(&clockfw_lock, flags);
+}
 #endif
 
 /*-------------------------------------------------------------------------*/
diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c
index f8ddbdd8b07..6d3d3336005 100644
--- a/arch/arm/plat-omap/cpu-omap.c
+++ b/arch/arm/plat-omap/cpu-omap.c
@@ -134,6 +134,7 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy)
 
 static int omap_cpu_exit(struct cpufreq_policy *policy)
 {
+        clk_exit_cpufreq_table(&freq_table);
         clk_put(mpu_clk);
         return 0;
 }
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 04846811d0a..d17620c50c2 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -192,6 +192,7 @@ struct gpio_bank {
         u32 saved_risingdetect;
 #endif
         u32 level_mask;
+        u32 toggle_mask;
         spinlock_t lock;
         struct gpio_chip chip;
         struct clk *dbck;
@@ -749,6 +750,44 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio,
 }
 #endif
 
+/*
+ * This only applies to chips that can't do both rising and falling edge
+ * detection at once.  For all other chips, this function is a noop.
+ */
+static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio)
+{
+        void __iomem *reg = bank->base;
+        u32 l = 0;
+
+        switch (bank->method) {
+#ifdef CONFIG_ARCH_OMAP1
+        case METHOD_MPUIO:
+                reg += OMAP_MPUIO_GPIO_INT_EDGE;
+                break;
+#endif
+#ifdef CONFIG_ARCH_OMAP15XX
+        case METHOD_GPIO_1510:
+                reg += OMAP1510_GPIO_INT_CONTROL;
+                break;
+#endif
+#if defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850)
+        case METHOD_GPIO_7XX:
+                reg += OMAP7XX_GPIO_INT_CONTROL;
+                break;
+#endif
+        default:
+                return;
+        }
+
+        l = __raw_readl(reg);
+        if ((l >> gpio) & 1)
+                l &= ~(1 << gpio);
+        else
+                l |= 1 << gpio;
+
+        __raw_writel(l, reg);
+}
+
 static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
 {
         void __iomem *reg = bank->base;
@@ -759,6 +798,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
         case METHOD_MPUIO:
                 reg += OMAP_MPUIO_GPIO_INT_EDGE;
                 l = __raw_readl(reg);
+                if (trigger & IRQ_TYPE_EDGE_BOTH)
+                        bank->toggle_mask |= 1 << gpio;
                 if (trigger & IRQ_TYPE_EDGE_RISING)
                         l |= 1 << gpio;
                 else if (trigger & IRQ_TYPE_EDGE_FALLING)
@@ -771,6 +812,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
         case METHOD_GPIO_1510:
                 reg += OMAP1510_GPIO_INT_CONTROL;
                 l = __raw_readl(reg);
+                if (trigger & IRQ_TYPE_EDGE_BOTH)
+                        bank->toggle_mask |= 1 << gpio;
                 if (trigger & IRQ_TYPE_EDGE_RISING)
                         l |= 1 << gpio;
                 else if (trigger & IRQ_TYPE_EDGE_FALLING)
@@ -803,6 +846,8 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
         case METHOD_GPIO_7XX:
                 reg += OMAP7XX_GPIO_INT_CONTROL;
                 l = __raw_readl(reg);
+                if (trigger & IRQ_TYPE_EDGE_BOTH)
+                        bank->toggle_mask |= 1 << gpio;
                 if (trigger & IRQ_TYPE_EDGE_RISING)
                         l |= 1 << gpio;
                 else if (trigger & IRQ_TYPE_EDGE_FALLING)
@@ -1072,7 +1117,7 @@ static inline void _set_gpio_irqenable(struct gpio_bank *bank, int gpio, int ena
  */
 static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable)
 {
-        unsigned long flags;
+        unsigned long uninitialized_var(flags);
 
         switch (bank->method) {
 #ifdef CONFIG_ARCH_OMAP16XX
@@ -1217,7 +1262,7 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
         void __iomem *isr_reg = NULL;
         u32 isr;
-        unsigned int gpio_irq;
+        unsigned int gpio_irq, gpio_index;
         struct gpio_bank *bank;
         u32 retrigger = 0;
         int unmasked = 0;
@@ -1284,9 +1329,23 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 
                 gpio_irq = bank->virtual_irq_start;
                 for (; isr != 0; isr >>= 1, gpio_irq++) {
+                        gpio_index = get_gpio_index(irq_to_gpio(gpio_irq));
+
                         if (!(isr & 1))
                                 continue;
 
+#ifdef CONFIG_ARCH_OMAP1
+                        /*
+                         * Some chips can't respond to both rising and falling
+                         * at the same time.  If this irq was requested with
+                         * both flags, we need to flip the ICR data for the IRQ
+                         * to respond to the IRQ for the opposite direction.
+                         * This will be indicated in the bank toggle_mask.
+                         */
+                        if (bank->toggle_mask & (1 << gpio_index))
+                                _toggle_gpio_edge_triggering(bank, gpio_index);
+#endif
+
                         generic_handle_irq(gpio_irq);
                 }
         }
diff --git a/arch/arm/plat-omap/include/plat/board.h b/arch/arm/plat-omap/include/plat/board.h
index 376ce18216f..5cd622039da 100644
--- a/arch/arm/plat-omap/include/plat/board.h
+++ b/arch/arm/plat-omap/include/plat/board.h
@@ -99,7 +99,6 @@ struct fb_info;
 struct omap_backlight_config {
         int default_intensity;
         int (*set_power)(struct device *dev, int state);
-        int (*check_fb)(struct fb_info *fb);
 };
 
 struct omap_fbmem_config {
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 309b6d1dccd..94fe2a0ce40 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -119,6 +119,7 @@ struct clk_functions {
         void            (*clk_disable_unused)(struct clk *clk);
 #ifdef CONFIG_CPU_FREQ
         void            (*clk_init_cpufreq_table)(struct cpufreq_frequency_table **);
+        void            (*clk_exit_cpufreq_table)(struct cpufreq_frequency_table **);
 #endif
 };
 
@@ -135,6 +136,7 @@ extern unsigned long followparent_recalc(struct clk *clk);
 extern void clk_enable_init_clocks(void);
 #ifdef CONFIG_CPU_FREQ
 extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
+extern void clk_exit_cpufreq_table(struct cpufreq_frequency_table **table);
 #endif
 
 extern const struct clkops clkops_null;
diff --git a/arch/arm/plat-omap/include/plat/control.h b/arch/arm/plat-omap/include/plat/control.h
index 2ae88437863..a745d62fad0 100644
--- a/arch/arm/plat-omap/include/plat/control.h
+++ b/arch/arm/plat-omap/include/plat/control.h
@@ -147,7 +147,7 @@
 #define OMAP343X_CONTROL_IVA2_BOOTADDR  (OMAP2_CONTROL_GENERAL + 0x0190)
 #define OMAP343X_CONTROL_IVA2_BOOTMOD   (OMAP2_CONTROL_GENERAL + 0x0194)
 #define OMAP343X_CONTROL_DEBOBS(i)      (OMAP2_CONTROL_GENERAL + 0x01B0 \
-                                        + ((i) >> 1) * 4 + (!(i) & 1) * 2)
+                                        + ((i) >> 1) * 4 + (!((i) & 1)) * 2)
 #define OMAP343X_CONTROL_PROG_IO0       (OMAP2_CONTROL_GENERAL + 0x01D4)
 #define OMAP343X_CONTROL_PROG_IO1       (OMAP2_CONTROL_GENERAL + 0x01D8)
 #define OMAP343X_CONTROL_DSS_DPLL_SPREADING     (OMAP2_CONTROL_GENERAL + 0x01E0)
diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h
index 7e5319f907d..a3e7b471bcb 100644
--- a/arch/arm/plat-omap/include/plat/io.h
+++ b/arch/arm/plat-omap/include/plat/io.h
@@ -122,16 +122,21 @@
 #define OMAP243X_SMS_VIRT       (OMAP243X_SMS_PHYS + OMAP2_L3_IO_OFFSET)
 #define OMAP243X_SMS_SIZE       SZ_1M
 
-/* DSP */
-#define DSP_MEM_24XX_PHYS       OMAP2420_DSP_MEM_BASE   /* 0x58000000 */
-#define DSP_MEM_24XX_VIRT       0xe0000000
-#define DSP_MEM_24XX_SIZE       0x28000
-#define DSP_IPI_24XX_PHYS       OMAP2420_DSP_IPI_BASE   /* 0x59000000 */
-#define DSP_IPI_24XX_VIRT       0xe1000000
-#define DSP_IPI_24XX_SIZE       SZ_4K
-#define DSP_MMU_24XX_PHYS       OMAP2420_DSP_MMU_BASE   /* 0x5a000000 */
-#define DSP_MMU_24XX_VIRT       0xe2000000
-#define DSP_MMU_24XX_SIZE       SZ_4K
+/* 2420 IVA */
+#define DSP_MEM_2420_PHYS       OMAP2420_DSP_MEM_BASE
+                                                /* 0x58000000 --> 0xfc100000 */
+#define DSP_MEM_2420_VIRT       0xfc100000
+#define DSP_MEM_2420_SIZE       0x28000
+#define DSP_IPI_2420_PHYS       OMAP2420_DSP_IPI_BASE
+                                                /* 0x59000000 --> 0xfc128000 */
+#define DSP_IPI_2420_VIRT       0xfc128000
+#define DSP_IPI_2420_SIZE       SZ_4K
+#define DSP_MMU_2420_PHYS       OMAP2420_DSP_MMU_BASE
+                                                /* 0x5a000000 --> 0xfc129000 */
+#define DSP_MMU_2420_VIRT       0xfc129000
+#define DSP_MMU_2420_SIZE       SZ_4K
+
+/* 2430 IVA2.1 - currently unmapped */
 
 /*
  * ----------------------------------------------------------------------------
@@ -182,16 +187,7 @@
 #define OMAP343X_SDRC_VIRT      (OMAP343X_SDRC_PHYS + OMAP2_L3_IO_OFFSET)
 #define OMAP343X_SDRC_SIZE      SZ_1M
 
-/* DSP */
-#define DSP_MEM_34XX_PHYS       OMAP34XX_DSP_MEM_BASE   /* 0x58000000 */
-#define DSP_MEM_34XX_VIRT       0xe0000000
-#define DSP_MEM_34XX_SIZE       0x28000
-#define DSP_IPI_34XX_PHYS       OMAP34XX_DSP_IPI_BASE   /* 0x59000000 */
-#define DSP_IPI_34XX_VIRT       0xe1000000
-#define DSP_IPI_34XX_SIZE       SZ_4K
-#define DSP_MMU_34XX_PHYS       OMAP34XX_DSP_MMU_BASE   /* 0x5a000000 */
-#define DSP_MMU_34XX_VIRT       0xe2000000
-#define DSP_MMU_34XX_SIZE       SZ_4K
+/* 3430 IVA - currently unmapped */
 
 /*
  * ----------------------------------------------------------------------------
diff --git a/arch/arm/plat-omap/include/plat/mux.h b/arch/arm/plat-omap/include/plat/mux.h
index 8f069cc8035..692c90e89ac 100644
--- a/arch/arm/plat-omap/include/plat/mux.h
+++ b/arch/arm/plat-omap/include/plat/mux.h
@@ -183,6 +183,14 @@ enum omap7xx_index {
         /* I2C */
         I2C_7XX_SCL,
         I2C_7XX_SDA,
+
+        /* SPI */
+        SPI_7XX_1,
+        SPI_7XX_2,
+        SPI_7XX_3,
+        SPI_7XX_4,
+        SPI_7XX_5,
+        SPI_7XX_6,
 };
 
 enum omap1xxx_index {
diff --git a/arch/arm/plat-omap/include/plat/omap7xx.h b/arch/arm/plat-omap/include/plat/omap7xx.h
index 53f52414b0e..48e4757e1e3 100644
--- a/arch/arm/plat-omap/include/plat/omap7xx.h
+++ b/arch/arm/plat-omap/include/plat/omap7xx.h
@@ -46,6 +46,9 @@
 #define OMAP7XX_DSPREG_SIZE     SZ_128K
 #define OMAP7XX_DSPREG_START    0xE1000000
 
+#define OMAP7XX_SPI1_BASE       0xfffc0800
+#define OMAP7XX_SPI2_BASE       0xfffc1000
+
 /*
  * ----------------------------------------------------------------------------
  * OMAP7XX specific configuration registers
diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c
index 11f5d7961c7..0cfd54f519c 100644
--- a/arch/arm/plat-omap/io.c
+++ b/arch/arm/plat-omap/io.c
@@ -66,12 +66,12 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
                         return XLATE(p, L4_24XX_PHYS, L4_24XX_VIRT);
         }
         if (cpu_is_omap2420()) {
-                if (BETWEEN(p, DSP_MEM_24XX_PHYS, DSP_MEM_24XX_SIZE))
-                        return XLATE(p, DSP_MEM_24XX_PHYS, DSP_MEM_24XX_VIRT);
-                if (BETWEEN(p, DSP_IPI_24XX_PHYS, DSP_IPI_24XX_SIZE))
-                        return XLATE(p, DSP_IPI_24XX_PHYS, DSP_IPI_24XX_SIZE);
-                if (BETWEEN(p, DSP_MMU_24XX_PHYS, DSP_MMU_24XX_SIZE))
-                        return XLATE(p, DSP_MMU_24XX_PHYS, DSP_MMU_24XX_VIRT);
+                if (BETWEEN(p, DSP_MEM_2420_PHYS, DSP_MEM_2420_SIZE))
+                        return XLATE(p, DSP_MEM_2420_PHYS, DSP_MEM_2420_VIRT);
+                if (BETWEEN(p, DSP_IPI_2420_PHYS, DSP_IPI_2420_SIZE))
+                        return XLATE(p, DSP_IPI_2420_PHYS, DSP_IPI_2420_SIZE);
+                if (BETWEEN(p, DSP_MMU_2420_PHYS, DSP_MMU_2420_SIZE))
+                        return XLATE(p, DSP_MMU_2420_PHYS, DSP_MMU_2420_VIRT);
         }
         if (cpu_is_omap2430()) {
                 if (BETWEEN(p, L4_WK_243X_PHYS, L4_WK_243X_SIZE))
diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c
index c0ff1e39d89..463d6386aff 100644
--- a/arch/arm/plat-omap/iommu.c
+++ b/arch/arm/plat-omap/iommu.c
@@ -827,7 +827,7 @@ EXPORT_SYMBOL_GPL(iommu_get);
  **/
 void iommu_put(struct iommu *obj)
 {
-        if (!obj && IS_ERR(obj))
+        if (!obj || IS_ERR(obj))
                 return;
 
         mutex_lock(&obj->iommu_lock);
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 2cc1cc328ba..f75767278fc 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -436,7 +436,7 @@ int omap_mcbsp_request(unsigned int id)
                         dev_err(mcbsp->dev, "Unable to request TX IRQ %d "
                                         "for McBSP%d\n", mcbsp->tx_irq,
                                         mcbsp->id);
-                        return err;
+                        goto error;
                 }
 
                 init_completion(&mcbsp->rx_irq_completion);
@@ -446,12 +446,26 @@ int omap_mcbsp_request(unsigned int id)
                         dev_err(mcbsp->dev, "Unable to request RX IRQ %d "
                                         "for McBSP%d\n", mcbsp->rx_irq,
                                         mcbsp->id);
-                        free_irq(mcbsp->tx_irq, (void *)mcbsp);
-                        return err;
+                        goto tx_irq;
                 }
         }
 
         return 0;
+tx_irq:
+        free_irq(mcbsp->tx_irq, (void *)mcbsp);
+error:
+        if (mcbsp->pdata && mcbsp->pdata->ops && mcbsp->pdata->ops->free)
+                        mcbsp->pdata->ops->free(id);
+
+        /* Do procedure specific to omap34xx arch, if applicable */
+        omap34xx_mcbsp_free(mcbsp);
+
+        clk_disable(mcbsp->fclk);
+        clk_disable(mcbsp->iclk);
+
+        mcbsp->free = 1;
+
+        return err;
 }
 EXPORT_SYMBOL(omap_mcbsp_request);