11 files changed, 59 insertions, 172 deletions

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 2e0614552ac8..29efc279287a 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/common.c b/arch/arm/plat-omap/common.c
index d1797147732f..433021f3d7cc 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -185,7 +185,7 @@ console_initcall(omap_add_serial_console);
 
 #include <linux/clocksource.h>
 
-static cycle_t omap_32k_read(void)
+static cycle_t omap_32k_read(struct clocksource *cs)
 {
         return omap_readl(TIMER_32K_SYNCHRONIZED);
 }
@@ -207,7 +207,7 @@ unsigned long long sched_clock(void)
 {
         unsigned long long ret;
 
-        ret = (unsigned long long)omap_32k_read();
+        ret = (unsigned long long)omap_32k_read(&clocksource_32k);
         ret = (ret * clocksource_32k.mult_orig) >> clocksource_32k.shift;
         return ret;
 }
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 21cc0142b97a..7fc8c045ad5d 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 bfd47570cc91..55bb99631292 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 d3fa41e3d8c5..17d7afe42b83 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 6dc703138210..20f1054c0a80 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 9e62cf030270..000000000000
--- 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 90444a0d6b1a..000000000000
--- 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 8372a00d8e0b..40f60339d1c6 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 4435bd434e17..81d5b36534b3 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 000000000000..c88d346b59d9
--- /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
+