1 files changed, 0 insertions, 372 deletions
diff --git a/arch/arm/plat-omap/omap-pm-noop.c b/arch/arm/plat-omap/omap-pm-noop.c
deleted file mode 100644
index 9722f418ae1f..000000000000
--- a/arch/arm/plat-omap/omap-pm-noop.c
+++ /dev/null
@@ -1,372 +0,0 @@
-/*
- * omap-pm-noop.c - OMAP power management interface - dummy version
- *
- * This code implements the OMAP power management interface to
- * drivers, CPUIdle, CPUFreq, and DSP Bridge.  It is strictly for
- * debug/demonstration use, as it does nothing but printk() whenever a
- * function is called (when DEBUG is defined, below)
- *
- * Copyright (C) 2008-2009 Texas Instruments, Inc.
- * Copyright (C) 2008-2009 Nokia Corporation
- * Paul Walmsley
- *
- * Interface developed by (in alphabetical order):
- * Karthik Dasu, Tony Lindgren, Rajendra Nayak, Sakari Poussa, Veeramanikandan
- * Raju, Anand Sawant, Igor Stoppa, Paul Walmsley, Richard Woodruff
- */
-
-#undef DEBUG
-
-#include <linux/init.h>
-#include <linux/cpufreq.h>
-#include <linux/device.h>
-#include <linux/platform_device.h>
-
-/* Interface documentation is in mach/omap-pm.h */
-#include <plat/omap-pm.h>
-#include <plat/omap_device.h>
-
-static bool off_mode_enabled;
-static int dummy_context_loss_counter;
-
-/*
- * Device-driver-originated constraints (via board-*.c files)
- */
-
-int omap_pm_set_max_mpu_wakeup_lat(struct device *dev, long t)
-{
-	if (!dev || t < -1) {
-		WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__);
-		return -EINVAL;
-	}
-
-	if (t == -1)
-		pr_debug("OMAP PM: remove max MPU wakeup latency constraint: dev %s\n",
-			 dev_name(dev));
-	else
-		pr_debug("OMAP PM: add max MPU wakeup latency constraint: dev %s, t = %ld usec\n",
-			 dev_name(dev), t);
-
-	/*
-	 * For current Linux, this needs to map the MPU to a
-	 * powerdomain, then go through the list of current max lat
-	 * constraints on the MPU and find the smallest.  If
-	 * the latency constraint has changed, the code should
-	 * recompute the state to enter for the next powerdomain
-	 * state.
-	 *
-	 * TI CDP code can call constraint_set here.
-	 */
-
-	return 0;
-}
-
-int omap_pm_set_min_bus_tput(struct device *dev, u8 agent_id, unsigned long r)
-{
-	if (!dev || (agent_id != OCP_INITIATOR_AGENT &&
-	    agent_id != OCP_TARGET_AGENT)) {
-		WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__);
-		return -EINVAL;
-	}
-
-	if (r == 0)
-		pr_debug("OMAP PM: remove min bus tput constraint: dev %s for agent_id %d\n",
-			 dev_name(dev), agent_id);
-	else
-		pr_debug("OMAP PM: add min bus tput constraint: dev %s for agent_id %d: rate %ld KiB\n",
-			 dev_name(dev), agent_id, r);
-
-	/*
-	 * This code should model the interconnect and compute the
-	 * required clock frequency, convert that to a VDD2 OPP ID, then
-	 * set the VDD2 OPP appropriately.
-	 *
-	 * TI CDP code can call constraint_set here on the VDD2 OPP.
-	 */
-
-	return 0;
-}
-
-int omap_pm_set_max_dev_wakeup_lat(struct device *req_dev, struct device *dev,
-				   long t)
-{
-	if (!req_dev || !dev || t < -1) {
-		WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__);
-		return -EINVAL;
-	}
-
-	if (t == -1)
-		pr_debug("OMAP PM: remove max device latency constraint: dev %s\n",
-			 dev_name(dev));
-	else
-		pr_debug("OMAP PM: add max device latency constraint: dev %s, t = %ld usec\n",
-			 dev_name(dev), t);
-
-	/*
-	 * For current Linux, this needs to map the device to a
-	 * powerdomain, then go through the list of current max lat
-	 * constraints on that powerdomain and find the smallest.  If
-	 * the latency constraint has changed, the code should
-	 * recompute the state to enter for the next powerdomain
-	 * state.  Conceivably, this code should also determine
-	 * whether to actually disable the device clocks or not,
-	 * depending on how long it takes to re-enable the clocks.
-	 *
-	 * TI CDP code can call constraint_set here.
-	 */
-
-	return 0;
-}
-
-int omap_pm_set_max_sdma_lat(struct device *dev, long t)
-{
-	if (!dev || t < -1) {
-		WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__);
-		return -EINVAL;
-	}
-
-	if (t == -1)
-		pr_debug("OMAP PM: remove max DMA latency constraint: dev %s\n",
-			 dev_name(dev));
-	else
-		pr_debug("OMAP PM: add max DMA latency constraint: dev %s, t = %ld usec\n",
-			 dev_name(dev), t);
-
-	/*
-	 * For current Linux PM QOS params, this code should scan the
-	 * list of maximum CPU and DMA latencies and select the
-	 * smallest, then set cpu_dma_latency pm_qos_param
-	 * accordingly.
-	 *
-	 * For future Linux PM QOS params, with separate CPU and DMA
-	 * latency params, this code should just set the dma_latency param.
-	 *
-	 * TI CDP code can call constraint_set here.
-	 */
-
-	return 0;
-}
-
-int omap_pm_set_min_clk_rate(struct device *dev, struct clk *c, long r)
-{
-	if (!dev || !c || r < 0) {
-		WARN(1, "OMAP PM: %s: invalid parameter(s)", __func__);
-		return -EINVAL;
-	}
-
-	if (r == 0)
-		pr_debug("OMAP PM: remove min clk rate constraint: dev %s\n",
-			 dev_name(dev));
-	else
-		pr_debug("OMAP PM: add min clk rate constraint: dev %s, rate = %ld Hz\n",
-			 dev_name(dev), r);
-
-	/*
-	 * Code in a real implementation should keep track of these
-	 * constraints on the clock, and determine the highest minimum
-	 * clock rate.  It should iterate over each OPP and determine
-	 * whether the OPP will result in a clock rate that would
-	 * satisfy this constraint (and any other PM constraint in effect
-	 * at that time).  Once it finds the lowest-voltage OPP that
-	 * meets those conditions, it should switch to it, or return
-	 * an error if the code is not capable of doing so.
-	 */
-
-	return 0;
-}
-
-/*
- * DSP Bridge-specific constraints
- */
-
-const struct omap_opp *omap_pm_dsp_get_opp_table(void)
-{
-	pr_debug("OMAP PM: DSP request for OPP table\n");
-
-	/*
-	 * Return DSP frequency table here:  The final item in the
-	 * array should have .rate = .opp_id = 0.
-	 */
-
-	return NULL;
-}
-
-void omap_pm_dsp_set_min_opp(u8 opp_id)
-{
-	if (opp_id == 0) {
-		WARN_ON(1);
-		return;
-	}
-
-	pr_debug("OMAP PM: DSP requests minimum VDD1 OPP to be %d\n", opp_id);
-
-	/*
-	 *
-	 * For l-o dev tree, our VDD1 clk is keyed on OPP ID, so we
-	 * can just test to see which is higher, the CPU's desired OPP
-	 * ID or the DSP's desired OPP ID, and use whichever is
-	 * highest.
-	 *
-	 * In CDP12.14+, the VDD1 OPP custom clock that controls the DSP
-	 * rate is keyed on MPU speed, not the OPP ID.  So we need to
-	 * map the OPP ID to the MPU speed for use with clk_set_rate()
-	 * if it is higher than the current OPP clock rate.
-	 *
-	 */
-}
-
-
-u8 omap_pm_dsp_get_opp(void)
-{
-	pr_debug("OMAP PM: DSP requests current DSP OPP ID\n");
-
-	/*
-	 * For l-o dev tree, call clk_get_rate() on VDD1 OPP clock
-	 *
-	 * CDP12.14+:
-	 * Call clk_get_rate() on the OPP custom clock, map that to an
-	 * OPP ID using the tables defined in board-*.c/chip-*.c files.
-	 */
-
-	return 0;
-}
-
-/*
- * CPUFreq-originated constraint
- *
- * In the future, this should be handled by custom OPP clocktype
- * functions.
- */
-
-struct cpufreq_frequency_table **omap_pm_cpu_get_freq_table(void)
-{
-	pr_debug("OMAP PM: CPUFreq request for frequency table\n");
-
-	/*
-	 * Return CPUFreq frequency table here: loop over
-	 * all VDD1 clkrates, pull out the mpu_ck frequencies, build
-	 * table
-	 */
-
-	return NULL;
-}
-
-void omap_pm_cpu_set_freq(unsigned long f)
-{
-	if (f == 0) {
-		WARN_ON(1);
-		return;
-	}
-
-	pr_debug("OMAP PM: CPUFreq requests CPU frequency to be set to %lu\n",
-		 f);
-
-	/*
-	 * For l-o dev tree, determine whether MPU freq or DSP OPP id
-	 * freq is higher.  Find the OPP ID corresponding to the
-	 * higher frequency.  Call clk_round_rate() and clk_set_rate()
-	 * on the OPP custom clock.
-	 *
-	 * CDP should just be able to set the VDD1 OPP clock rate here.
-	 */
-}
-
-unsigned long omap_pm_cpu_get_freq(void)
-{
-	pr_debug("OMAP PM: CPUFreq requests current CPU frequency\n");
-
-	/*
-	 * Call clk_get_rate() on the mpu_ck.
-	 */
-
-	return 0;
-}
-
-/**
- * omap_pm_enable_off_mode - notify OMAP PM that off-mode is enabled
- *
- * Intended for use only by OMAP PM core code to notify this layer
- * that off mode has been enabled.
- */
-void omap_pm_enable_off_mode(void)
-{
-	off_mode_enabled = true;
-}
-
-/**
- * omap_pm_disable_off_mode - notify OMAP PM that off-mode is disabled
- *
- * Intended for use only by OMAP PM core code to notify this layer
- * that off mode has been disabled.
- */
-void omap_pm_disable_off_mode(void)
-{
-	off_mode_enabled = false;
-}
-
-/*
- * Device context loss tracking
- */
-
-#ifdef CONFIG_ARCH_OMAP2PLUS
-
-int omap_pm_get_dev_context_loss_count(struct device *dev)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	int count;
-
-	if (WARN_ON(!dev))
-		return -ENODEV;
-
-	if (dev->pm_domain == &omap_device_pm_domain) {
-		count = omap_device_get_context_loss_count(pdev);
-	} else {
-		WARN_ONCE(off_mode_enabled, "omap_pm: using dummy context loss counter; device %s should be converted to omap_device",
-			  dev_name(dev));
-
-		count = dummy_context_loss_counter;
-
-		if (off_mode_enabled) {
-			count++;
-			/*
-			 * Context loss count has to be a non-negative value.
-			 * Clear the sign bit to get a value range from 0 to
-			 * INT_MAX.
-			 */
-			count &= INT_MAX;
-			dummy_context_loss_counter = count;
-		}
-	}
-
-	pr_debug("OMAP PM: context loss count for dev %s = %d\n",
-		 dev_name(dev), count);
-
-	return count;
-}
-
-#else
-
-int omap_pm_get_dev_context_loss_count(struct device *dev)
-{
-	return dummy_context_loss_counter;
-}
-
-#endif
-
-/* Should be called before clk framework init */
-int __init omap_pm_if_early_init(void)
-{
-	return 0;
-}
-
-/* Must be called after clock framework is initialized */
-int __init omap_pm_if_init(void)
-{
-	return 0;
-}
-
-void omap_pm_if_exit(void)
-{
-	/* Deallocate CPUFreq frequency table here */
-}
-