Merge branch 'omap-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6

26 files changed, 136 insertions, 447 deletions

diff --git a/arch/arm/mach-omap1/board-h2-mmc.c b/arch/arm/mach-omap1/board-h2-mmc.c
index 44d4a966bed..46098f54682 100644
--- a/arch/arm/mach-omap1/board-h2-mmc.c
+++ b/arch/arm/mach-omap1/board-h2-mmc.c
@@ -26,19 +26,13 @@
 static int mmc_set_power(struct device *dev, int slot, int power_on,
                                 int vdd)
 {
-        if (power_on)
-                gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 1);
-        else
-                gpio_direction_output(H2_TPS_GPIO_MMC_PWR_EN, 0);
-
+        gpio_set_value(H2_TPS_GPIO_MMC_PWR_EN, power_on);
         return 0;
 }
 
 static int mmc_late_init(struct device *dev)
 {
-        int ret;
-
-        ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
+        int ret = gpio_request(H2_TPS_GPIO_MMC_PWR_EN, "MMC power");
         if (ret < 0)
                 return ret;
 
@@ -47,7 +41,7 @@ static int mmc_late_init(struct device *dev)
         return ret;
 }
 
-static void mmc_shutdown(struct device *dev)
+static void mmc_cleanup(struct device *dev)
 {
         gpio_free(H2_TPS_GPIO_MMC_PWR_EN);
 }
@@ -60,7 +54,7 @@ static void mmc_shutdown(struct device *dev)
 static struct omap_mmc_platform_data mmc1_data = {
         .nr_slots                       = 1,
         .init                           = mmc_late_init,
-        .shutdown                       = mmc_shutdown,
+        .cleanup                        = mmc_cleanup,
         .dma_mask                       = 0xffffffff,
         .slots[0]       = {
                 .set_power              = mmc_set_power,
diff --git a/arch/arm/mach-omap1/board-h3-mmc.c b/arch/arm/mach-omap1/board-h3-mmc.c
index 0d8a3c195e2..5e8877ce35e 100644
--- a/arch/arm/mach-omap1/board-h3-mmc.c
+++ b/arch/arm/mach-omap1/board-h3-mmc.c
@@ -26,11 +26,7 @@
 static int mmc_set_power(struct device *dev, int slot, int power_on,
                                 int vdd)
 {
-        if (power_on)
-                gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 1);
-        else
-                gpio_direction_output(H3_TPS_GPIO_MMC_PWR_EN, 0);
-
+        gpio_set_value(H3_TPS_GPIO_MMC_PWR_EN, power_on);
         return 0;
 }
 
diff --git a/arch/arm/mach-omap1/board-h3.c b/arch/arm/mach-omap1/board-h3.c
index 4695965114c..f597968733b 100644
--- a/arch/arm/mach-omap1/board-h3.c
+++ b/arch/arm/mach-omap1/board-h3.c
@@ -39,12 +39,10 @@
 #include <asm/mach/flash.h>
 #include <asm/mach/map.h>
 
-#include <mach/gpioexpander.h>
 #include <mach/irqs.h>
 #include <mach/mux.h>
 #include <mach/tc.h>
 #include <mach/nand.h>
-#include <mach/irda.h>
 #include <mach/usb.h>
 #include <mach/keypad.h>
 #include <mach/dma.h>
@@ -276,104 +274,6 @@ static struct platform_device h3_kp_device = {
         .resource       = h3_kp_resources,
 };
 
-
-/* Select between the IrDA and aGPS module
- */
-static int h3_select_irda(struct device *dev, int state)
-{
-        unsigned char expa;
-        int err = 0;
-
-        if ((err = read_gpio_expa(&expa, 0x26))) {
-                printk(KERN_ERR "Error reading from I/O EXPANDER \n");
-                return err;
-        }
-
-        /* 'P6' enable/disable IRDA_TX and IRDA_RX */
-        if (state & IR_SEL) { /* IrDA */
-                if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
-                        printk(KERN_ERR "Error writing to I/O EXPANDER \n");
-                        return err;
-                }
-        } else {
-                if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
-                        printk(KERN_ERR "Error writing to I/O EXPANDER \n");
-                        return err;
-                }
-        }
-        return err;
-}
-
-static void set_trans_mode(struct work_struct *work)
-{
-        struct omap_irda_config *irda_config =
-                container_of(work, struct omap_irda_config, gpio_expa.work);
-        int mode = irda_config->mode;
-        unsigned char expa;
-        int err = 0;
-
-        if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
-                printk(KERN_ERR "Error reading from I/O expander\n");
-        }
-
-        expa &= ~0x03;
-
-        if (mode & IR_SIRMODE) {
-                expa |= 0x01;
-        } else { /* MIR/FIR */
-                expa |= 0x03;
-        }
-
-        if ((err = write_gpio_expa(expa, 0x27)) != 0) {
-                printk(KERN_ERR "Error writing to I/O expander\n");
-        }
-}
-
-static int h3_transceiver_mode(struct device *dev, int mode)
-{
-        struct omap_irda_config *irda_config = dev->platform_data;
-
-        irda_config->mode = mode;
-        cancel_delayed_work(&irda_config->gpio_expa);
-        PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
-        schedule_delayed_work(&irda_config->gpio_expa, 0);
-
-        return 0;
-}
-
-static struct omap_irda_config h3_irda_data = {
-        .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
-        .transceiver_mode       = h3_transceiver_mode,
-        .select_irda            = h3_select_irda,
-        .rx_channel             = OMAP_DMA_UART3_RX,
-        .tx_channel             = OMAP_DMA_UART3_TX,
-        .dest_start             = UART3_THR,
-        .src_start              = UART3_RHR,
-        .tx_trigger             = 0,
-        .rx_trigger             = 0,
-};
-
-static struct resource h3_irda_resources[] = {
-        [0] = {
-                .start  = INT_UART3,
-                .end    = INT_UART3,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static u64 irda_dmamask = 0xffffffff;
-
-static struct platform_device h3_irda_device = {
-        .name           = "omapirda",
-        .id             = 0,
-        .dev            = {
-                .platform_data  = &h3_irda_data,
-                .dma_mask       = &irda_dmamask,
-        },
-        .num_resources  = ARRAY_SIZE(h3_irda_resources),
-        .resource       = h3_irda_resources,
-};
-
 static struct platform_device h3_lcd_device = {
         .name           = "lcd_h3",
         .id             = -1,
@@ -395,7 +295,6 @@ static struct platform_device *devices[] __initdata = {
         &nand_device,
         &smc91x_device,
         &intlat_device,
-        &h3_irda_device,
         &h3_kp_device,
         &h3_lcd_device,
 };
diff --git a/arch/arm/mach-omap1/board-nokia770.c b/arch/arm/mach-omap1/board-nokia770.c
index 7bc7a3cb9c5..d1ed1365319 100644
--- a/arch/arm/mach-omap1/board-nokia770.c
+++ b/arch/arm/mach-omap1/board-nokia770.c
@@ -181,11 +181,7 @@ static struct omap_usb_config nokia770_usb_config __initdata = {
 static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
                                 int vdd)
 {
-        if (power_on)
-                gpio_set_value(NOKIA770_GPIO_MMC_POWER, 1);
-        else
-                gpio_set_value(NOKIA770_GPIO_MMC_POWER, 0);
-
+        gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
         return 0;
 }
 
diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c
index d040c3f1027..a2d7814896b 100644
--- a/arch/arm/mach-omap1/mcbsp.c
+++ b/arch/arm/mach-omap1/mcbsp.c
@@ -40,8 +40,8 @@ static void omap1_mcbsp_request(unsigned int id)
          */
         if (id == OMAP_MCBSP1 || id == OMAP_MCBSP3) {
                 if (dsp_use++ == 0) {
-                        api_clk = clk_get(NULL, "api_clk");
-                        dsp_clk = clk_get(NULL, "dsp_clk");
+                        api_clk = clk_get(NULL, "api_ck");
+                        dsp_clk = clk_get(NULL, "dsp_ck");
                         if (!IS_ERR(api_clk) && !IS_ERR(dsp_clk)) {
                                 clk_enable(api_clk);
                                 clk_enable(dsp_clk);
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index a0267a9ab46..e7d017cdc43 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -33,10 +33,8 @@
 
 #include <mach/control.h>
 #include <mach/gpio.h>
-#include <mach/gpioexpander.h>
 #include <mach/mux.h>
 #include <mach/usb.h>
-#include <mach/irda.h>
 #include <mach/board.h>
 #include <mach/common.h>
 #include <mach/keypad.h>
@@ -138,98 +136,6 @@ static struct platform_device h4_flash_device = {
         .resource       = &h4_flash_resource,
 };
 
-/* Select between the IrDA and aGPS module
- */
-static int h4_select_irda(struct device *dev, int state)
-{
-        unsigned char expa;
-        int err = 0;
-
-        if ((err = read_gpio_expa(&expa, 0x21))) {
-                printk(KERN_ERR "Error reading from I/O expander\n");
-                return err;
-        }
-
-        /* 'P6' enable/disable IRDA_TX and IRDA_RX */
-        if (state & IR_SEL) {   /* IrDa */
-                if ((err = write_gpio_expa(expa | 0x01, 0x21))) {
-                        printk(KERN_ERR "Error writing to I/O expander\n");
-                        return err;
-                }
-        } else {
-                if ((err = write_gpio_expa(expa & ~0x01, 0x21))) {
-                        printk(KERN_ERR "Error writing to I/O expander\n");
-                        return err;
-                }
-        }
-        return err;
-}
-
-static void set_trans_mode(struct work_struct *work)
-{
-        struct omap_irda_config *irda_config =
-                container_of(work, struct omap_irda_config, gpio_expa.work);
-        int mode = irda_config->mode;
-        unsigned char expa;
-        int err = 0;
-
-        if ((err = read_gpio_expa(&expa, 0x20)) != 0) {
-                printk(KERN_ERR "Error reading from I/O expander\n");
-        }
-
-        expa &= ~0x01;
-
-        if (!(mode & IR_SIRMODE)) { /* MIR/FIR */
-                expa |= 0x01;
-        }
-
-        if ((err = write_gpio_expa(expa, 0x20)) != 0) {
-                printk(KERN_ERR "Error writing to I/O expander\n");
-        }
-}
-
-static int h4_transceiver_mode(struct device *dev, int mode)
-{
-        struct omap_irda_config *irda_config = dev->platform_data;
-
-        irda_config->mode = mode;
-        cancel_delayed_work(&irda_config->gpio_expa);
-        PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
-        schedule_delayed_work(&irda_config->gpio_expa, 0);
-
-        return 0;
-}
-
-static struct omap_irda_config h4_irda_data = {
-        .transceiver_cap        = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
-        .transceiver_mode       = h4_transceiver_mode,
-        .select_irda            = h4_select_irda,
-        .rx_channel             = OMAP24XX_DMA_UART3_RX,
-        .tx_channel             = OMAP24XX_DMA_UART3_TX,
-        .dest_start             = OMAP_UART3_BASE,
-        .src_start              = OMAP_UART3_BASE,
-        .tx_trigger             = OMAP24XX_DMA_UART3_TX,
-        .rx_trigger             = OMAP24XX_DMA_UART3_RX,
-};
-
-static struct resource h4_irda_resources[] = {
-        [0] = {
-                .start  = INT_24XX_UART3_IRQ,
-                .end    = INT_24XX_UART3_IRQ,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static struct platform_device h4_irda_device = {
-        .name           = "omapirda",
-        .id             = -1,
-        .dev            = {
-                .platform_data  = &h4_irda_data,
-        },
-        .num_resources  = 1,
-        .resource       = h4_irda_resources,
-};
-
 static struct omap_kp_platform_data h4_kp_data = {
         .rows           = 6,
         .cols           = 7,
@@ -255,7 +161,6 @@ static struct platform_device h4_lcd_device = {
 
 static struct platform_device *h4_devices[] __initdata = {
         &h4_flash_device,
-        &h4_irda_device,
         &h4_kp_device,
         &h4_lcd_device,
 };
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 744740ae1b9..3a7a29d1f9a 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -42,6 +42,7 @@
 #include <mach/nand.h>
 #include <mach/mux.h>
 #include <mach/usb.h>
+#include <mach/timer-gp.h>
 
 #include "mmc-twl4030.h"
 
@@ -186,6 +187,9 @@ static void __init omap3_beagle_init_irq(void)
 {
         omap2_init_common_hw(NULL);
         omap_init_irq();
+#ifdef CONFIG_OMAP_32K_TIMER
+        omap2_gp_clockevent_set_gptimer(12);
+#endif
         omap_gpio_init();
 }
 
diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c
index 3a0daac6c83..374ff63c3eb 100644
--- a/arch/arm/mach-omap2/board-rx51.c
+++ b/arch/arm/mach-omap2/board-rx51.c
@@ -15,7 +15,6 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/io.h>
-#include <linux/delay.h>
 #include <linux/gpio.h>
 
 #include <mach/hardware.h>
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index 1e839c5a28c..efc59c49341 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -60,12 +60,13 @@ struct omap_clk {
                 },                      \
         }
 
-#define CK_243X (1 << 0)
-#define CK_242X (1 << 1)
+#define CK_243X                 RATE_IN_243X
+#define CK_242X                 RATE_IN_242X
 
 static struct omap_clk omap24xx_clks[] = {
         /* external root sources */
         CLK(NULL,       "func_32k_ck",  &func_32k_ck,   CK_243X | CK_242X),
+        CLK(NULL,       "secure_32k_ck", &secure_32k_ck, CK_243X | CK_242X),
         CLK(NULL,       "osc_ck",       &osc_ck,        CK_243X | CK_242X),
         CLK(NULL,       "sys_ck",       &sys_ck,        CK_243X | CK_242X),
         CLK(NULL,       "alt_ck",       &alt_ck,        CK_243X | CK_242X),
@@ -711,7 +712,7 @@ int __init omap2_clk_init(void)
 {
         struct prcm_config *prcm;
         struct omap_clk *c;
-        u32 clkrate, cpu_mask;
+        u32 clkrate;
 
         if (cpu_is_omap242x())
                 cpu_mask = RATE_IN_242X;
@@ -720,21 +721,15 @@ int __init omap2_clk_init(void)
 
         clk_init(&omap2_clk_functions);
 
+        for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++)
+                clk_init_one(c->lk.clk);
+
         osc_ck.rate = omap2_osc_clk_recalc(&osc_ck);
         propagate_rate(&osc_ck);
         sys_ck.rate = omap2_sys_clk_recalc(&sys_ck);
         propagate_rate(&sys_ck);
 
         for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++)
-                clk_init_one(c->lk.clk);
-
-        cpu_mask = 0;
-        if (cpu_is_omap2420())
-                cpu_mask |= CK_242X;
-        if (cpu_is_omap2430())
-                cpu_mask |= CK_243X;
-
-        for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++)
                 if (c->cpu & cpu_mask) {
                         clkdev_add(&c->lk);
                         clk_register(c->lk.clk);
diff --git a/arch/arm/mach-omap2/clock24xx.h b/arch/arm/mach-omap2/clock24xx.h
index 33c3e5b1432..88c5acb40fc 100644
--- a/arch/arm/mach-omap2/clock24xx.h
+++ b/arch/arm/mach-omap2/clock24xx.h
@@ -625,6 +625,14 @@ static struct clk func_32k_ck = {
         .clkdm_name     = "wkup_clkdm",
 };
 
+static struct clk secure_32k_ck = {
+        .name           = "secure_32k_ck",
+        .ops            = &clkops_null,
+        .rate           = 32768,
+        .flags          = RATE_FIXED,
+        .clkdm_name     = "wkup_clkdm",
+};
+
 /* Typical 12/13MHz in standalone mode, will be 26Mhz in chassis mode */
 static struct clk osc_ck = {            /* (*12, *13, 19.2, *26, 38.4)MHz */
         .name           = "osc_ck",
@@ -1790,7 +1798,7 @@ static struct clk gpt12_ick = {
 static struct clk gpt12_fck = {
         .name           = "gpt12_fck",
         .ops            = &clkops_omap2_dflt_wait,
-        .parent         = &func_32k_ck,
+        .parent         = &secure_32k_ck,
         .clkdm_name     = "core_l4_clkdm",
         .enable_reg     = OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1),
         .enable_bit     = OMAP24XX_EN_GPT12_SHIFT,
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index 70ec10deb65..6763b8f7302 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -2052,7 +2052,7 @@ static struct clk dss_ick = {
 
 static struct clk cam_mclk = {
         .name           = "cam_mclk",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &dpll4_m5x2_ck,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN),
         .enable_bit     = OMAP3430_EN_CAM_SHIFT,
@@ -2063,7 +2063,7 @@ static struct clk cam_mclk = {
 static struct clk cam_ick = {
         /* Handles both L3 and L4 clocks */
         .name           = "cam_ick",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &l4_ick,
         .init           = &omap2_init_clk_clkdm,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_ICLKEN),
@@ -2074,7 +2074,7 @@ static struct clk cam_ick = {
 
 static struct clk csi2_96m_fck = {
         .name           = "csi2_96m_fck",
-        .ops            = &clkops_omap2_dflt_wait,
+        .ops            = &clkops_omap2_dflt,
         .parent         = &core_96m_fck,
         .init           = &omap2_init_clk_clkdm,
         .enable_reg     = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN),
@@ -2901,7 +2901,6 @@ static struct clk sr_l4_ick = {
 
 /* SECURE_32K_FCK clocks */
 
-/* XXX This clock no longer exists in 3430 TRM rev F */
 static struct clk gpt12_fck = {
         .name           = "gpt12_fck",
         .ops            = &clkops_null,
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index d6b4b2f8722..496983ade97 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -25,7 +25,6 @@
 #include <mach/board.h>
 #include <mach/mux.h>
 #include <mach/gpio.h>
-#include <mach/eac.h>
 #include <mach/mmc.h>
 
 #if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
@@ -366,38 +365,6 @@ static void omap_init_mcspi(void)
 static inline void omap_init_mcspi(void) {}
 #endif
 
-#ifdef CONFIG_SND_OMAP24XX_EAC
-
-#define OMAP2_EAC_BASE                  0x48090000
-
-static struct resource omap2_eac_resources[] = {
-        {
-                .start          = OMAP2_EAC_BASE,
-                .end            = OMAP2_EAC_BASE + 0x109,
-                .flags          = IORESOURCE_MEM,
-        },
-};
-
-static struct platform_device omap2_eac_device = {
-        .name           = "omap24xx-eac",
-        .id             = -1,
-        .num_resources  = ARRAY_SIZE(omap2_eac_resources),
-        .resource       = omap2_eac_resources,
-        .dev = {
-                .platform_data = NULL,
-        },
-};
-
-void omap_init_eac(struct eac_platform_data *pdata)
-{
-        omap2_eac_device.dev.platform_data = pdata;
-        platform_device_register(&omap2_eac_device);
-}
-
-#else
-void omap_init_eac(struct eac_platform_data *pdata) {}
-#endif
-
 #ifdef CONFIG_OMAP_SHA1_MD5
 static struct resource sha1_md5_resources[] = {
         {
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 9ba20d985dd..998c5c45587 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -73,9 +73,9 @@ static int omap_check_spurious(unsigned int irq)
         u32 sir, spurious;
 
         sir = intc_bank_read_reg(&irq_banks[0], INTC_SIR);
-        spurious = sir >> 6;
+        spurious = sir >> 7;
 
-        if (spurious > 1) {
+        if (spurious) {
                 printk(KERN_WARNING "Spurious irq %i: 0x%08x, please flush "
                                         "posted write for irq %i\n",
                                         irq, sir, previous_irq);
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 1cb2c0909c2..f36aba12090 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -3,6 +3,8 @@
  *
  * OMAP2 GP timer support.
  *
+ * Copyright (C) 2009 Nokia Corporation
+ *
  * Update to use new clocksource/clockevent layers
  * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
  * Copyright (C) 2007 MontaVista Software, Inc.
@@ -36,8 +38,13 @@
 #include <asm/mach/time.h>
 #include <mach/dmtimer.h>
 
+/* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
+#define MAX_GPTIMER_ID          12
+
 static struct omap_dm_timer *gptimer;
 static struct clock_event_device clockevent_gpt;
+static u8 __initdata gptimer_id = 1;
+static u8 __initdata inited;
 
 static irqreturn_t omap2_gp_timer_interrupt(int irq, void *dev_id)
 {
@@ -95,20 +102,53 @@ static struct clock_event_device clockevent_gpt = {
         .set_mode       = omap2_gp_timer_set_mode,
 };
 
+/**
+ * omap2_gp_clockevent_set_gptimer - set which GPTIMER is used for clockevents
+ * @id: GPTIMER to use (1..MAX_GPTIMER_ID)
+ *
+ * Define the GPTIMER that the system should use for the tick timer.
+ * Meant to be called from board-*.c files in the event that GPTIMER1, the
+ * default, is unsuitable.  Returns -EINVAL on error or 0 on success.
+ */
+int __init omap2_gp_clockevent_set_gptimer(u8 id)
+{
+        if (id < 1 || id > MAX_GPTIMER_ID)
+                return -EINVAL;
+
+        BUG_ON(inited);
+
+        gptimer_id = id;
+
+        return 0;
+}
+
 static void __init omap2_gp_clockevent_init(void)
 {
         u32 tick_rate;
+        int src;
+
+        inited = 1;
 
-        gptimer = omap_dm_timer_request_specific(1);
+        gptimer = omap_dm_timer_request_specific(gptimer_id);
         BUG_ON(gptimer == NULL);
 
 #if defined(CONFIG_OMAP_32K_TIMER)
-        omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_32_KHZ);
+        src = OMAP_TIMER_SRC_32_KHZ;
 #else
-        omap_dm_timer_set_source(gptimer, OMAP_TIMER_SRC_SYS_CLK);
+        src = OMAP_TIMER_SRC_SYS_CLK;
+        WARN(gptimer_id == 12, "WARNING: GPTIMER12 can only use the "
+             "secure 32KiHz clock source\n");
 #endif
+
+        if (gptimer_id != 12)
+                WARN(IS_ERR_VALUE(omap_dm_timer_set_source(gptimer, src)),
+                     "timer-gp: omap_dm_timer_set_source() failed\n");
+
         tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer));
 
+        pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n",
+                gptimer_id, tick_rate);
+
         omap2_gp_timer_irq.dev_id = (void *)gptimer;
         setup_irq(omap_dm_timer_get_irq(gptimer), &omap2_gp_timer_irq);
         omap_dm_timer_set_int_enable(gptimer, OMAP_TIMER_INT_OVERFLOW);
@@ -125,6 +165,8 @@ static void __init omap2_gp_clockevent_init(void)
         clockevents_register_device(&clockevent_gpt);
 }
 
+/* Clocksource code */
+
 #ifdef CONFIG_OMAP_32K_TIMER
 /* 
  * When 32k-timer is enabled, don't use GPTimer for clocksource
diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c
index 15e509013de..8df55f40f4c 100644
--- a/arch/arm/mach-omap2/usb-tusb6010.c
+++ b/arch/arm/mach-omap2/usb-tusb6010.c
@@ -187,7 +187,7 @@ int tusb6010_platform_retime(unsigned is_refclk)
         unsigned        sysclk_ps;
         int             status;
 
-        if (!refclk_psec)
+        if (!refclk_psec || sysclk_ps == 0)
                 return -ENODEV;
 
         sysclk_ps = is_refclk ? refclk_psec : TUSB6010_OSCCLK_60;
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 2e0614552ac..29efc279287 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -239,6 +239,13 @@ void recalculate_root_clocks(void)
         }
 }
 
+/**
+ * clk_init_one - initialize any fields in the struct clk before clk init
+ * @clk: struct clk * to initialize
+ *
+ * Initialize any struct clk fields needed before normal clk initialization
+ * can run.  No return value.
+ */
 void clk_init_one(struct clk *clk)
 {
         INIT_LIST_HEAD(&clk->children);
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 21cc0142b97..7fc8c045ad5 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -760,19 +760,12 @@ void omap_free_dma(int lch)
 {
         unsigned long flags;
 
-        spin_lock_irqsave(&dma_chan_lock, flags);
         if (dma_chan[lch].dev_id == -1) {
                 pr_err("omap_dma: trying to free unallocated DMA channel %d\n",
                        lch);
-                spin_unlock_irqrestore(&dma_chan_lock, flags);
                 return;
         }
 
-        dma_chan[lch].dev_id = -1;
-        dma_chan[lch].next_lch = -1;
-        dma_chan[lch].callback = NULL;
-        spin_unlock_irqrestore(&dma_chan_lock, flags);
-
         if (cpu_class_is_omap1()) {
                 /* Disable all DMA interrupts for the channel. */
                 dma_write(0, CICR(lch));
@@ -798,6 +791,12 @@ void omap_free_dma(int lch)
                 dma_write(0, CCR(lch));
                 omap_clear_dma(lch);
         }
+
+        spin_lock_irqsave(&dma_chan_lock, flags);
+        dma_chan[lch].dev_id = -1;
+        dma_chan[lch].next_lch = -1;
+        dma_chan[lch].callback = NULL;
+        spin_unlock_irqrestore(&dma_chan_lock, flags);
 }
 EXPORT_SYMBOL(omap_free_dma);
 
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index bfd47570cc9..55bb9963129 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -238,7 +238,7 @@ static struct omap_dm_timer omap3_dm_timers[] = {
         { .phys_base = 0x49040000, .irq = INT_24XX_GPTIMER9 },
         { .phys_base = 0x48086000, .irq = INT_24XX_GPTIMER10 },
         { .phys_base = 0x48088000, .irq = INT_24XX_GPTIMER11 },
-        { .phys_base = 0x48304000, .irq = INT_24XX_GPTIMER12 },
+        { .phys_base = 0x48304000, .irq = INT_34XX_GPT12_IRQ },
 };
 
 static const char *omap3_dm_source_names[] __initdata = {
@@ -321,11 +321,9 @@ static void omap_dm_timer_reset(struct omap_dm_timer *timer)
         l |= 0x2 << 8;   /* Set clock activity to perserve f-clock on idle */
 
         /*
-         * Enable wake-up only for GPT1 on OMAP2 CPUs.
-         * FIXME: All timers should have wake-up enabled and clear
-         * PRCM status.
+         * Enable wake-up on OMAP2 CPUs.
          */
-        if (cpu_class_is_omap2() && (timer == &dm_timers[0]))
+        if (cpu_class_is_omap2())
                 l |= 1 << 2;
         omap_dm_timer_write_reg(timer, OMAP_TIMER_OCP_CFG_REG, l);
 
@@ -511,7 +509,7 @@ EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
 
 #ifdef CONFIG_ARCH_OMAP1
 
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 {
         int n = (timer - dm_timers) << 1;
         u32 l;
@@ -519,23 +517,31 @@ void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
         l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n);
         l |= source << n;
         omap_writel(l, MOD_CONF_CTRL_1);
+
+        return 0;
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
 #else
 
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
 {
+        int ret = -EINVAL;
+
         if (source < 0 || source >= 3)
-                return;
+                return -EINVAL;
 
         clk_disable(timer->fclk);
-        clk_set_parent(timer->fclk, dm_source_clocks[source]);
+        ret = clk_set_parent(timer->fclk, dm_source_clocks[source]);
         clk_enable(timer->fclk);
 
-        /* When the functional clock disappears, too quick writes seem to
-         * cause an abort. */
+        /*
+         * When the functional clock disappears, too quick writes seem
+         * to cause an abort. XXX Is this still necessary?
+         */
         __delay(150000);
+
+        return ret;
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
 
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index d3fa41e3d8c..17d7afe42b8 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -758,8 +758,12 @@ static void _clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask)
 
         /* Workaround for clearing DSP GPIO interrupts to allow retention */
 #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+        reg = bank->base + OMAP24XX_GPIO_IRQSTATUS2;
         if (cpu_is_omap24xx() || cpu_is_omap34xx())
-                __raw_writel(gpio_mask, bank->base + OMAP24XX_GPIO_IRQSTATUS2);
+                __raw_writel(gpio_mask, reg);
+
+        /* Flush posted write for the irq status to avoid spurious interrupts */
+        __raw_readl(reg);
 #endif
 }
 
@@ -921,13 +925,10 @@ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable)
         case METHOD_MPUIO:
         case METHOD_GPIO_1610:
                 spin_lock_irqsave(&bank->lock, flags);
-                if (enable) {
+                if (enable)
                         bank->suspend_wakeup |= (1 << gpio);
-                        enable_irq_wake(bank->irq);
-                } else {
-                        disable_irq_wake(bank->irq);
+                else
                         bank->suspend_wakeup &= ~(1 << gpio);
-                }
                 spin_unlock_irqrestore(&bank->lock, flags);
                 return 0;
 #endif
@@ -940,13 +941,10 @@ static int _set_gpio_wakeup(struct gpio_bank *bank, int gpio, int enable)
                         return -EINVAL;
                 }
                 spin_lock_irqsave(&bank->lock, flags);
-                if (enable) {
+                if (enable)
                         bank->suspend_wakeup |= (1 << gpio);
-                        enable_irq_wake(bank->irq);
-                } else {
-                        disable_irq_wake(bank->irq);
+                else
                         bank->suspend_wakeup &= ~(1 << gpio);
-                }
                 spin_unlock_irqrestore(&bank->lock, flags);
                 return 0;
 #endif
diff --git a/arch/arm/plat-omap/include/mach/dmtimer.h b/arch/arm/plat-omap/include/mach/dmtimer.h
index 6dc70313821..20f1054c0a8 100644
--- a/arch/arm/plat-omap/include/mach/dmtimer.h
+++ b/arch/arm/plat-omap/include/mach/dmtimer.h
@@ -64,7 +64,7 @@ void omap_dm_timer_trigger(struct omap_dm_timer *timer);
 void omap_dm_timer_start(struct omap_dm_timer *timer);
 void omap_dm_timer_stop(struct omap_dm_timer *timer);
 
-void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
+int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source);
 void omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, unsigned int value);
 void omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, unsigned int value);
 void omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match);
diff --git a/arch/arm/plat-omap/include/mach/eac.h b/arch/arm/plat-omap/include/mach/eac.h
deleted file mode 100644
index 9e62cf03027..00000000000
--- a/arch/arm/plat-omap/include/mach/eac.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach2/eac.h
- *
- * Defines for Enhanced Audio Controller
- *
- * Contact: Jarkko Nikula <jarkko.nikula@nokia.com>
- *
- * Copyright (C) 2006 Nokia Corporation
- * Copyright (C) 2004 Texas Instruments, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
- */
-
-#ifndef __ASM_ARM_ARCH_OMAP2_EAC_H
-#define __ASM_ARM_ARCH_OMAP2_EAC_H
-
-#include <mach/io.h>
-#include <mach/hardware.h>
-#include <asm/irq.h>
-
-#include <sound/core.h>
-
-/* master codec clock source */
-#define EAC_MCLK_EXT_MASK       0x100
-enum eac_mclk_src {
-        EAC_MCLK_INT_11290000, /* internal 96 MHz / 8.5 = 11.29 Mhz */
-        EAC_MCLK_EXT_11289600 = EAC_MCLK_EXT_MASK,
-        EAC_MCLK_EXT_12288000,
-        EAC_MCLK_EXT_2x11289600,
-        EAC_MCLK_EXT_2x12288000,
-};
-
-/* codec port interface mode */
-enum eac_codec_mode {
-        EAC_CODEC_PCM,
-        EAC_CODEC_AC97,
-        EAC_CODEC_I2S_MASTER, /* codec port, I.e. EAC is the master */
-        EAC_CODEC_I2S_SLAVE,
-};
-
-/* configuration structure for I2S mode */
-struct eac_i2s_conf {
-        /* if enabled, then first data slot (left channel) is signaled as
-         * positive level of frame sync EAC.AC_FS */
-        unsigned        polarity_changed_mode:1;
-        /* if enabled, then serial data starts one clock cycle after the
-         * of EAC.AC_FS for first audio slot */
-        unsigned        sync_delay_enable:1;
-};
-
-/* configuration structure for EAC codec port */
-struct eac_codec {
-        enum eac_mclk_src       mclk_src;
-
-        enum eac_codec_mode     codec_mode;
-        union {
-                struct eac_i2s_conf     i2s;
-        } codec_conf;
-
-        int             default_rate; /* audio sampling rate */
-
-        int             (* set_power)(void *private_data, int dac, int adc);
-        int             (* register_controls)(void *private_data,
-                                              struct snd_card *card);
-        const char      *short_name;
-
-        void            *private_data;
-};
-
-/* structure for passing platform dependent data to the EAC driver */
-struct eac_platform_data {
-        int     (* init)(struct device *eac_dev);
-        void    (* cleanup)(struct device *eac_dev);
-        /* these callbacks are used to configure & control external MCLK
-         * source. NULL if not used */
-        int     (* enable_ext_clocks)(struct device *eac_dev);
-        void    (* disable_ext_clocks)(struct device *eac_dev);
-};
-
-extern void omap_init_eac(struct eac_platform_data *pdata);
-
-extern int eac_register_codec(struct device *eac_dev, struct eac_codec *codec);
-extern void eac_unregister_codec(struct device *eac_dev);
-
-extern int eac_set_mode(struct device *eac_dev, int play, int rec);
-
-#endif /* __ASM_ARM_ARCH_OMAP2_EAC_H */
diff --git a/arch/arm/plat-omap/include/mach/gpioexpander.h b/arch/arm/plat-omap/include/mach/gpioexpander.h
deleted file mode 100644
index 90444a0d6b1..00000000000
--- a/arch/arm/plat-omap/include/mach/gpioexpander.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * arch/arm/plat-omap/include/mach/gpioexpander.h
- *
- *
- * Copyright (C) 2004 Texas Instruments, Inc.
- *
- * This package is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef __ASM_ARCH_OMAP_GPIOEXPANDER_H
-#define __ASM_ARCH_OMAP_GPIOEXPANDER_H
-
-/* Function Prototypes for GPIO Expander functions */
-
-#ifdef CONFIG_GPIOEXPANDER_OMAP
-int read_gpio_expa(u8 *, int);
-int write_gpio_expa(u8 , int);
-#else
-static inline int read_gpio_expa(u8 *val, int addr)
-{
-        return 0;
-}
-static inline int write_gpio_expa(u8 val, int addr)
-{
-        return 0;
-}
-#endif
-
-#endif /* __ASM_ARCH_OMAP_GPIOEXPANDER_H */
diff --git a/arch/arm/plat-omap/include/mach/irda.h b/arch/arm/plat-omap/include/mach/irda.h
index 8372a00d8e0..40f60339d1c 100644
--- a/arch/arm/plat-omap/include/mach/irda.h
+++ b/arch/arm/plat-omap/include/mach/irda.h
@@ -21,10 +21,6 @@ struct omap_irda_config {
         int transceiver_cap;
         int (*transceiver_mode)(struct device *dev, int mode);
         int (*select_irda)(struct device *dev, int state);
-        /* Very specific to the needs of some platforms (h3,h4)
-         * having calls which can sleep in irda_set_speed.
-         */
-        struct delayed_work gpio_expa;
         int rx_channel;
         int tx_channel;
         unsigned long dest_start;
diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h
index 4435bd434e1..81d5b36534b 100644
--- a/arch/arm/plat-omap/include/mach/mmc.h
+++ b/arch/arm/plat-omap/include/mach/mmc.h
@@ -79,7 +79,6 @@ struct omap_mmc_platform_data {
 
                 /* use the internal clock */
                 unsigned internal_clock:1;
-                s16 power_pin;
 
                 int switch_pin;                 /* gpio (card detect) */
                 int gpio_wp;                    /* gpio (write protect) */
diff --git a/arch/arm/plat-omap/include/mach/timer-gp.h b/arch/arm/plat-omap/include/mach/timer-gp.h
new file mode 100644
index 00000000000..c88d346b59d
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/timer-gp.h
@@ -0,0 +1,17 @@
+/*
+ * OMAP2/3 GPTIMER support.headers
+ *
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_TIMER_GP_H
+#define __ARCH_ARM_PLAT_OMAP_INCLUDE_MACH_TIMER_GP_H
+
+int __init omap2_gp_clockevent_set_gptimer(u8 id);
+
+#endif
+
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 5570849188c..bfa25c01c87 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -157,8 +157,6 @@ struct mmc_omap_host {
         struct timer_list       dma_timer;
         unsigned                dma_len;
 
-        short                   power_pin;
-
         struct mmc_omap_slot    *slots[OMAP_MMC_MAX_SLOTS];
         struct mmc_omap_slot    *current_slot;
         spinlock_t              slot_lock;