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Diffstat (limited to 'ANDROID_3.4.5/arch/arm/plat-omap/dmtimer.c')
-rw-r--r--ANDROID_3.4.5/arch/arm/plat-omap/dmtimer.c765
1 files changed, 0 insertions, 765 deletions
diff --git a/ANDROID_3.4.5/arch/arm/plat-omap/dmtimer.c b/ANDROID_3.4.5/arch/arm/plat-omap/dmtimer.c
deleted file mode 100644
index 652139c0..00000000
--- a/ANDROID_3.4.5/arch/arm/plat-omap/dmtimer.c
+++ /dev/null
@@ -1,765 +0,0 @@
-/*
- * linux/arch/arm/plat-omap/dmtimer.c
- *
- * OMAP Dual-Mode Timers
- *
- * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
- * Tarun Kanti DebBarma <tarun.kanti@ti.com>
- * Thara Gopinath <thara@ti.com>
- *
- * dmtimer adaptation to platform_driver.
- *
- * Copyright (C) 2005 Nokia Corporation
- * OMAP2 support by Juha Yrjola
- * API improvements and OMAP2 clock framework support by Timo Teras
- *
- * Copyright (C) 2009 Texas Instruments
- * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/pm_runtime.h>
-
-#include <plat/dmtimer.h>
-
-#include <mach/hardware.h>
-
-static LIST_HEAD(omap_timer_list);
-static DEFINE_SPINLOCK(dm_timer_lock);
-
-/**
- * omap_dm_timer_read_reg - read timer registers in posted and non-posted mode
- * @timer: timer pointer over which read operation to perform
- * @reg: lowest byte holds the register offset
- *
- * The posted mode bit is encoded in reg. Note that in posted mode write
- * pending bit must be checked. Otherwise a read of a non completed write
- * will produce an error.
- */
-static inline u32 omap_dm_timer_read_reg(struct omap_dm_timer *timer, u32 reg)
-{
- WARN_ON((reg & 0xff) < _OMAP_TIMER_WAKEUP_EN_OFFSET);
- return __omap_dm_timer_read(timer, reg, timer->posted);
-}
-
-/**
- * omap_dm_timer_write_reg - write timer registers in posted and non-posted mode
- * @timer: timer pointer over which write operation is to perform
- * @reg: lowest byte holds the register offset
- * @value: data to write into the register
- *
- * The posted mode bit is encoded in reg. Note that in posted mode the write
- * pending bit must be checked. Otherwise a write on a register which has a
- * pending write will be lost.
- */
-static void omap_dm_timer_write_reg(struct omap_dm_timer *timer, u32 reg,
- u32 value)
-{
- WARN_ON((reg & 0xff) < _OMAP_TIMER_WAKEUP_EN_OFFSET);
- __omap_dm_timer_write(timer, reg, value, timer->posted);
-}
-
-static void omap_timer_restore_context(struct omap_dm_timer *timer)
-{
- __raw_writel(timer->context.tiocp_cfg,
- timer->io_base + OMAP_TIMER_OCP_CFG_OFFSET);
- if (timer->revision == 1)
- __raw_writel(timer->context.tistat, timer->sys_stat);
-
- __raw_writel(timer->context.tisr, timer->irq_stat);
- omap_dm_timer_write_reg(timer, OMAP_TIMER_WAKEUP_EN_REG,
- timer->context.twer);
- omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG,
- timer->context.tcrr);
- omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG,
- timer->context.tldr);
- omap_dm_timer_write_reg(timer, OMAP_TIMER_MATCH_REG,
- timer->context.tmar);
- omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG,
- timer->context.tsicr);
- __raw_writel(timer->context.tier, timer->irq_ena);
- omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG,
- timer->context.tclr);
-}
-
-static void omap_dm_timer_wait_for_reset(struct omap_dm_timer *timer)
-{
- int c;
-
- if (!timer->sys_stat)
- return;
-
- c = 0;
- while (!(__raw_readl(timer->sys_stat) & 1)) {
- c++;
- if (c > 100000) {
- printk(KERN_ERR "Timer failed to reset\n");
- return;
- }
- }
-}
-
-static void omap_dm_timer_reset(struct omap_dm_timer *timer)
-{
- omap_dm_timer_enable(timer);
- if (timer->pdev->id != 1) {
- omap_dm_timer_write_reg(timer, OMAP_TIMER_IF_CTRL_REG, 0x06);
- omap_dm_timer_wait_for_reset(timer);
- }
-
- __omap_dm_timer_reset(timer, 0, 0);
- omap_dm_timer_disable(timer);
- timer->posted = 1;
-}
-
-int omap_dm_timer_prepare(struct omap_dm_timer *timer)
-{
- struct dmtimer_platform_data *pdata = timer->pdev->dev.platform_data;
- int ret;
-
- timer->fclk = clk_get(&timer->pdev->dev, "fck");
- if (WARN_ON_ONCE(IS_ERR_OR_NULL(timer->fclk))) {
- timer->fclk = NULL;
- dev_err(&timer->pdev->dev, ": No fclk handle.\n");
- return -EINVAL;
- }
-
- if (pdata->needs_manual_reset)
- omap_dm_timer_reset(timer);
-
- ret = omap_dm_timer_set_source(timer, OMAP_TIMER_SRC_32_KHZ);
-
- timer->posted = 1;
- return ret;
-}
-
-struct omap_dm_timer *omap_dm_timer_request(void)
-{
- struct omap_dm_timer *timer = NULL, *t;
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&dm_timer_lock, flags);
- list_for_each_entry(t, &omap_timer_list, node) {
- if (t->reserved)
- continue;
-
- timer = t;
- timer->reserved = 1;
- break;
- }
-
- if (timer) {
- ret = omap_dm_timer_prepare(timer);
- if (ret) {
- timer->reserved = 0;
- timer = NULL;
- }
- }
- spin_unlock_irqrestore(&dm_timer_lock, flags);
-
- if (!timer)
- pr_debug("%s: timer request failed!\n", __func__);
-
- return timer;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_request);
-
-struct omap_dm_timer *omap_dm_timer_request_specific(int id)
-{
- struct omap_dm_timer *timer = NULL, *t;
- unsigned long flags;
- int ret = 0;
-
- spin_lock_irqsave(&dm_timer_lock, flags);
- list_for_each_entry(t, &omap_timer_list, node) {
- if (t->pdev->id == id && !t->reserved) {
- timer = t;
- timer->reserved = 1;
- break;
- }
- }
-
- if (timer) {
- ret = omap_dm_timer_prepare(timer);
- if (ret) {
- timer->reserved = 0;
- timer = NULL;
- }
- }
- spin_unlock_irqrestore(&dm_timer_lock, flags);
-
- if (!timer)
- pr_debug("%s: timer%d request failed!\n", __func__, id);
-
- return timer;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_request_specific);
-
-int omap_dm_timer_free(struct omap_dm_timer *timer)
-{
- if (unlikely(!timer))
- return -EINVAL;
-
- clk_put(timer->fclk);
-
- WARN_ON(!timer->reserved);
- timer->reserved = 0;
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_free);
-
-void omap_dm_timer_enable(struct omap_dm_timer *timer)
-{
- pm_runtime_get_sync(&timer->pdev->dev);
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_enable);
-
-void omap_dm_timer_disable(struct omap_dm_timer *timer)
-{
- pm_runtime_put(&timer->pdev->dev);
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_disable);
-
-int omap_dm_timer_get_irq(struct omap_dm_timer *timer)
-{
- if (timer)
- return timer->irq;
- return -EINVAL;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_get_irq);
-
-#if defined(CONFIG_ARCH_OMAP1)
-
-/**
- * omap_dm_timer_modify_idlect_mask - Check if any running timers use ARMXOR
- * @inputmask: current value of idlect mask
- */
-__u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask)
-{
- int i = 0;
- struct omap_dm_timer *timer = NULL;
- unsigned long flags;
-
- /* If ARMXOR cannot be idled this function call is unnecessary */
- if (!(inputmask & (1 << 1)))
- return inputmask;
-
- /* If any active timer is using ARMXOR return modified mask */
- spin_lock_irqsave(&dm_timer_lock, flags);
- list_for_each_entry(timer, &omap_timer_list, node) {
- u32 l;
-
- l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- if (l & OMAP_TIMER_CTRL_ST) {
- if (((omap_readl(MOD_CONF_CTRL_1) >> (i * 2)) & 0x03) == 0)
- inputmask &= ~(1 << 1);
- else
- inputmask &= ~(1 << 2);
- }
- i++;
- }
- spin_unlock_irqrestore(&dm_timer_lock, flags);
-
- return inputmask;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_modify_idlect_mask);
-
-#else
-
-struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer)
-{
- if (timer)
- return timer->fclk;
- return NULL;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_get_fclk);
-
-__u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask)
-{
- BUG();
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_modify_idlect_mask);
-
-#endif
-
-int omap_dm_timer_trigger(struct omap_dm_timer *timer)
-{
- if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) {
- pr_err("%s: timer not available or enabled.\n", __func__);
- return -EINVAL;
- }
-
- omap_dm_timer_write_reg(timer, OMAP_TIMER_TRIGGER_REG, 0);
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_trigger);
-
-int omap_dm_timer_start(struct omap_dm_timer *timer)
-{
- u32 l;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- omap_dm_timer_enable(timer);
-
- if (timer->loses_context) {
- u32 ctx_loss_cnt_after =
- timer->get_context_loss_count(&timer->pdev->dev);
- if (ctx_loss_cnt_after != timer->ctx_loss_count)
- omap_timer_restore_context(timer);
- }
-
- l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- if (!(l & OMAP_TIMER_CTRL_ST)) {
- l |= OMAP_TIMER_CTRL_ST;
- omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
- }
-
- /* Save the context */
- timer->context.tclr = l;
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_start);
-
-int omap_dm_timer_stop(struct omap_dm_timer *timer)
-{
- unsigned long rate = 0;
- struct dmtimer_platform_data *pdata = timer->pdev->dev.platform_data;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- if (!pdata->needs_manual_reset)
- rate = clk_get_rate(timer->fclk);
-
- __omap_dm_timer_stop(timer, timer->posted, rate);
-
- if (timer->loses_context && timer->get_context_loss_count)
- timer->ctx_loss_count =
- timer->get_context_loss_count(&timer->pdev->dev);
-
- /*
- * Since the register values are computed and written within
- * __omap_dm_timer_stop, we need to use read to retrieve the
- * context.
- */
- timer->context.tclr =
- omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- timer->context.tisr = __raw_readl(timer->irq_stat);
- omap_dm_timer_disable(timer);
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_stop);
-
-int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
-{
- int ret;
- struct dmtimer_platform_data *pdata;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- pdata = timer->pdev->dev.platform_data;
-
- if (source < 0 || source >= 3)
- return -EINVAL;
-
- ret = pdata->set_timer_src(timer->pdev, source);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_set_source);
-
-int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload,
- unsigned int load)
-{
- u32 l;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- omap_dm_timer_enable(timer);
- l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- if (autoreload)
- l |= OMAP_TIMER_CTRL_AR;
- else
- l &= ~OMAP_TIMER_CTRL_AR;
- omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
- omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load);
-
- omap_dm_timer_write_reg(timer, OMAP_TIMER_TRIGGER_REG, 0);
- /* Save the context */
- timer->context.tclr = l;
- timer->context.tldr = load;
- omap_dm_timer_disable(timer);
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_set_load);
-
-/* Optimized set_load which removes costly spin wait in timer_start */
-int omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload,
- unsigned int load)
-{
- u32 l;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- omap_dm_timer_enable(timer);
-
- if (timer->loses_context) {
- u32 ctx_loss_cnt_after =
- timer->get_context_loss_count(&timer->pdev->dev);
- if (ctx_loss_cnt_after != timer->ctx_loss_count)
- omap_timer_restore_context(timer);
- }
-
- l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- if (autoreload) {
- l |= OMAP_TIMER_CTRL_AR;
- omap_dm_timer_write_reg(timer, OMAP_TIMER_LOAD_REG, load);
- } else {
- l &= ~OMAP_TIMER_CTRL_AR;
- }
- l |= OMAP_TIMER_CTRL_ST;
-
- __omap_dm_timer_load_start(timer, l, load, timer->posted);
-
- /* Save the context */
- timer->context.tclr = l;
- timer->context.tldr = load;
- timer->context.tcrr = load;
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_set_load_start);
-
-int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable,
- unsigned int match)
-{
- u32 l;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- omap_dm_timer_enable(timer);
- l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- if (enable)
- l |= OMAP_TIMER_CTRL_CE;
- else
- l &= ~OMAP_TIMER_CTRL_CE;
- omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
- omap_dm_timer_write_reg(timer, OMAP_TIMER_MATCH_REG, match);
-
- /* Save the context */
- timer->context.tclr = l;
- timer->context.tmar = match;
- omap_dm_timer_disable(timer);
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_set_match);
-
-int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on,
- int toggle, int trigger)
-{
- u32 l;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- omap_dm_timer_enable(timer);
- l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- l &= ~(OMAP_TIMER_CTRL_GPOCFG | OMAP_TIMER_CTRL_SCPWM |
- OMAP_TIMER_CTRL_PT | (0x03 << 10));
- if (def_on)
- l |= OMAP_TIMER_CTRL_SCPWM;
- if (toggle)
- l |= OMAP_TIMER_CTRL_PT;
- l |= trigger << 10;
- omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
-
- /* Save the context */
- timer->context.tclr = l;
- omap_dm_timer_disable(timer);
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_set_pwm);
-
-int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler)
-{
- u32 l;
-
- if (unlikely(!timer))
- return -EINVAL;
-
- omap_dm_timer_enable(timer);
- l = omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG);
- l &= ~(OMAP_TIMER_CTRL_PRE | (0x07 << 2));
- if (prescaler >= 0x00 && prescaler <= 0x07) {
- l |= OMAP_TIMER_CTRL_PRE;
- l |= prescaler << 2;
- }
- omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l);
-
- /* Save the context */
- timer->context.tclr = l;
- omap_dm_timer_disable(timer);
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_set_prescaler);
-
-int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer,
- unsigned int value)
-{
- if (unlikely(!timer))
- return -EINVAL;
-
- omap_dm_timer_enable(timer);
- __omap_dm_timer_int_enable(timer, value);
-
- /* Save the context */
- timer->context.tier = value;
- timer->context.twer = value;
- omap_dm_timer_disable(timer);
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_set_int_enable);
-
-unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer)
-{
- unsigned int l;
-
- if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) {
- pr_err("%s: timer not available or enabled.\n", __func__);
- return 0;
- }
-
- l = __raw_readl(timer->irq_stat);
-
- return l;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_read_status);
-
-int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value)
-{
- if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev)))
- return -EINVAL;
-
- __omap_dm_timer_write_status(timer, value);
- /* Save the context */
- timer->context.tisr = value;
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_write_status);
-
-unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer)
-{
- if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) {
- pr_err("%s: timer not iavailable or enabled.\n", __func__);
- return 0;
- }
-
- return __omap_dm_timer_read_counter(timer, timer->posted);
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_read_counter);
-
-int omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value)
-{
- if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) {
- pr_err("%s: timer not available or enabled.\n", __func__);
- return -EINVAL;
- }
-
- omap_dm_timer_write_reg(timer, OMAP_TIMER_COUNTER_REG, value);
-
- /* Save the context */
- timer->context.tcrr = value;
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timer_write_counter);
-
-int omap_dm_timers_active(void)
-{
- struct omap_dm_timer *timer;
-
- list_for_each_entry(timer, &omap_timer_list, node) {
- if (!timer->reserved)
- continue;
-
- if (omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG) &
- OMAP_TIMER_CTRL_ST) {
- return 1;
- }
- }
- return 0;
-}
-EXPORT_SYMBOL_GPL(omap_dm_timers_active);
-
-/**
- * omap_dm_timer_probe - probe function called for every registered device
- * @pdev: pointer to current timer platform device
- *
- * Called by driver framework at the end of device registration for all
- * timer devices.
- */
-static int __devinit omap_dm_timer_probe(struct platform_device *pdev)
-{
- int ret;
- unsigned long flags;
- struct omap_dm_timer *timer;
- struct resource *mem, *irq, *ioarea;
- struct dmtimer_platform_data *pdata = pdev->dev.platform_data;
-
- if (!pdata) {
- dev_err(&pdev->dev, "%s: no platform data.\n", __func__);
- return -ENODEV;
- }
-
- irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (unlikely(!irq)) {
- dev_err(&pdev->dev, "%s: no IRQ resource.\n", __func__);
- return -ENODEV;
- }
-
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (unlikely(!mem)) {
- dev_err(&pdev->dev, "%s: no memory resource.\n", __func__);
- return -ENODEV;
- }
-
- ioarea = request_mem_region(mem->start, resource_size(mem),
- pdev->name);
- if (!ioarea) {
- dev_err(&pdev->dev, "%s: region already claimed.\n", __func__);
- return -EBUSY;
- }
-
- timer = kzalloc(sizeof(struct omap_dm_timer), GFP_KERNEL);
- if (!timer) {
- dev_err(&pdev->dev, "%s: no memory for omap_dm_timer.\n",
- __func__);
- ret = -ENOMEM;
- goto err_free_ioregion;
- }
-
- timer->io_base = ioremap(mem->start, resource_size(mem));
- if (!timer->io_base) {
- dev_err(&pdev->dev, "%s: ioremap failed.\n", __func__);
- ret = -ENOMEM;
- goto err_free_mem;
- }
-
- timer->id = pdev->id;
- timer->irq = irq->start;
- timer->reserved = pdata->reserved;
- timer->pdev = pdev;
- timer->loses_context = pdata->loses_context;
- timer->get_context_loss_count = pdata->get_context_loss_count;
-
- /* Skip pm_runtime_enable for OMAP1 */
- if (!pdata->needs_manual_reset) {
- pm_runtime_enable(&pdev->dev);
- pm_runtime_irq_safe(&pdev->dev);
- }
-
- if (!timer->reserved) {
- pm_runtime_get_sync(&pdev->dev);
- __omap_dm_timer_init_regs(timer);
- pm_runtime_put(&pdev->dev);
- }
-
- /* add the timer element to the list */
- spin_lock_irqsave(&dm_timer_lock, flags);
- list_add_tail(&timer->node, &omap_timer_list);
- spin_unlock_irqrestore(&dm_timer_lock, flags);
-
- dev_dbg(&pdev->dev, "Device Probed.\n");
-
- return 0;
-
-err_free_mem:
- kfree(timer);
-
-err_free_ioregion:
- release_mem_region(mem->start, resource_size(mem));
-
- return ret;
-}
-
-/**
- * omap_dm_timer_remove - cleanup a registered timer device
- * @pdev: pointer to current timer platform device
- *
- * Called by driver framework whenever a timer device is unregistered.
- * In addition to freeing platform resources it also deletes the timer
- * entry from the local list.
- */
-static int __devexit omap_dm_timer_remove(struct platform_device *pdev)
-{
- struct omap_dm_timer *timer;
- unsigned long flags;
- int ret = -EINVAL;
-
- spin_lock_irqsave(&dm_timer_lock, flags);
- list_for_each_entry(timer, &omap_timer_list, node)
- if (timer->pdev->id == pdev->id) {
- list_del(&timer->node);
- kfree(timer);
- ret = 0;
- break;
- }
- spin_unlock_irqrestore(&dm_timer_lock, flags);
-
- return ret;
-}
-
-static struct platform_driver omap_dm_timer_driver = {
- .probe = omap_dm_timer_probe,
- .remove = __devexit_p(omap_dm_timer_remove),
- .driver = {
- .name = "omap_timer",
- },
-};
-
-static int __init omap_dm_timer_driver_init(void)
-{
- return platform_driver_register(&omap_dm_timer_driver);
-}
-
-static void __exit omap_dm_timer_driver_exit(void)
-{
- platform_driver_unregister(&omap_dm_timer_driver);
-}
-
-early_platform_init("earlytimer", &omap_dm_timer_driver);
-module_init(omap_dm_timer_driver_init);
-module_exit(omap_dm_timer_driver_exit);
-
-MODULE_DESCRIPTION("OMAP Dual-Mode Timer Driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("platform:" DRIVER_NAME);
-MODULE_AUTHOR("Texas Instruments Inc");