* [PATCH v2 0/7] OMAP3: PM debug infrastructure @ 2009-08-23 21:32 Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 1/7] OMAP: PM counter infrastructure Kevin Hilman 2009-08-24 15:20 ` [PATCH v2 0/7] OMAP3: PM debug infrastructure Tony Lindgren 0 siblings, 2 replies; 9+ messages in thread From: Kevin Hilman @ 2009-08-23 21:32 UTC (permalink / raw) To: linux-omap updates from v1 - update 'Add PRCM register dump support' to use SoC specific registers. Currenly only OMAP3 supported. - drop debug observability support for now, needs some updates as pointed out by Tony Peter 'p2' De Schrijver (5): OMAP: PM counter infrastructure. OMAP: PM: Hook into PM counters OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each. OMAP: PM: Add pm-debug counters OMAP: PM debug: make powerdomains use PM-debug counters Tero Kristo (2): OMAP: PM debug: Add PRCM register dump support OMAP: PM: Added suspend target state control to debugfs for OMAP3 arch/arm/mach-omap2/clock.c | 2 + arch/arm/mach-omap2/clockdomain.c | 10 +- arch/arm/mach-omap2/pm-debug.c | 429 ++++++++++++++++++++++++- arch/arm/mach-omap2/pm.h | 11 + arch/arm/mach-omap2/pm24xx.c | 4 +- arch/arm/mach-omap2/pm34xx.c | 38 ++- arch/arm/mach-omap2/powerdomain.c | 110 ++++++- arch/arm/plat-omap/include/mach/clockdomain.h | 3 +- arch/arm/plat-omap/include/mach/powerdomain.h | 15 +- 9 files changed, 607 insertions(+), 15 deletions(-) ^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH v2 1/7] OMAP: PM counter infrastructure. 2009-08-23 21:32 [PATCH v2 0/7] OMAP3: PM debug infrastructure Kevin Hilman @ 2009-08-23 21:32 ` Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 2/7] OMAP: PM: Hook into PM counters Kevin Hilman 2009-08-24 15:20 ` [PATCH v2 0/7] OMAP3: PM debug infrastructure Tony Lindgren 1 sibling, 1 reply; 9+ messages in thread From: Kevin Hilman @ 2009-08-23 21:32 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> This patch provides the infrastructure to count how many times a powerdomain entered a given power state (on, inactive, retention, off). A number of functions are provided which will be called by the chip specific powerdomain and clockdomain code whenever a transition might have happened. Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> --- arch/arm/mach-omap2/clockdomain.c | 2 + arch/arm/mach-omap2/powerdomain.c | 101 ++++++++++++++++++++++++- arch/arm/plat-omap/include/mach/powerdomain.h | 7 ++ 3 files changed, 108 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 0e7d501..26912a9 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -484,6 +484,8 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm) v << __ffs(clkdm->clktrctrl_mask), clkdm->pwrdm.ptr->prcm_offs, CM_CLKSTCTRL); + + pwrdm_clkdm_state_switch(clkdm); } /** diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 983f1cb..a2d9871 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -35,6 +35,11 @@ #include <mach/powerdomain.h> #include <mach/clockdomain.h> +enum { + PWRDM_STATE_NOW = 0, + PWRDM_STATE_PREV, +}; + /* pwrdm_list contains all registered struct powerdomains */ static LIST_HEAD(pwrdm_list); @@ -102,6 +107,63 @@ static struct powerdomain *_pwrdm_deps_lookup(struct powerdomain *pwrdm, return pd->pwrdm; } +static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag) +{ + + int prev; + int state; + + if (pwrdm == NULL) + return -EINVAL; + + state = pwrdm_read_pwrst(pwrdm); + + switch (flag) { + case PWRDM_STATE_NOW: + prev = pwrdm->state; + break; + case PWRDM_STATE_PREV: + prev = pwrdm_read_prev_pwrst(pwrdm); + if (pwrdm->state != prev) + pwrdm->state_counter[prev]++; + break; + default: + return -EINVAL; + } + + if (state != prev) + pwrdm->state_counter[state]++; + + pwrdm->state = state; + + return 0; +} + +static int _pwrdm_pre_transition_cb(struct powerdomain *pwrdm) +{ + pwrdm_clear_all_prev_pwrst(pwrdm); + _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW); + return 0; +} + +static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm) +{ + _pwrdm_state_switch(pwrdm, PWRDM_STATE_PREV); + return 0; +} + +static __init void _pwrdm_setup(struct powerdomain *pwrdm) +{ + int i; + + for (i = 0; i < 4; i++) + pwrdm->state_counter[i] = 0; + + pwrdm_wait_transition(pwrdm); + pwrdm->state = pwrdm_read_pwrst(pwrdm); + pwrdm->state_counter[pwrdm->state] = 1; + +} /* Public functions */ @@ -117,9 +179,12 @@ void pwrdm_init(struct powerdomain **pwrdm_list) { struct powerdomain **p = NULL; - if (pwrdm_list) - for (p = pwrdm_list; *p; p++) + if (pwrdm_list) { + for (p = pwrdm_list; *p; p++) { pwrdm_register(*p); + _pwrdm_setup(*p); + } + } } /** @@ -1110,4 +1175,36 @@ int pwrdm_wait_transition(struct powerdomain *pwrdm) return 0; } +int pwrdm_state_switch(struct powerdomain *pwrdm) +{ + return _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW); +} + +int pwrdm_clkdm_state_switch(struct clockdomain *clkdm) +{ + if (clkdm != NULL && clkdm->pwrdm.ptr != NULL) { + pwrdm_wait_transition(clkdm->pwrdm.ptr); + return pwrdm_state_switch(clkdm->pwrdm.ptr); + } + + return -EINVAL; +} +int pwrdm_clk_state_switch(struct clk *clk) +{ + if (clk != NULL && clk->clkdm != NULL) + return pwrdm_clkdm_state_switch(clk->clkdm); + return -EINVAL; +} + +int pwrdm_pre_transition(void) +{ + pwrdm_for_each(_pwrdm_pre_transition_cb); + return 0; +} + +int pwrdm_post_transition(void) +{ + pwrdm_for_each(_pwrdm_post_transition_cb); + return 0; +} diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h index 69c9e67..52663fc 100644 --- a/arch/arm/plat-omap/include/mach/powerdomain.h +++ b/arch/arm/plat-omap/include/mach/powerdomain.h @@ -117,6 +117,8 @@ struct powerdomain { struct list_head node; + int state; + unsigned state_counter[4]; }; @@ -164,4 +166,9 @@ bool pwrdm_has_hdwr_sar(struct powerdomain *pwrdm); int pwrdm_wait_transition(struct powerdomain *pwrdm); +int pwrdm_state_switch(struct powerdomain *pwrdm); +int pwrdm_clkdm_state_switch(struct clockdomain *clkdm); +int pwrdm_pre_transition(void); +int pwrdm_post_transition(void); + #endif -- 1.6.4 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH v2 2/7] OMAP: PM: Hook into PM counters 2009-08-23 21:32 ` [PATCH v2 1/7] OMAP: PM counter infrastructure Kevin Hilman @ 2009-08-23 21:32 ` Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 3/7] OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each Kevin Hilman 0 siblings, 1 reply; 9+ messages in thread From: Kevin Hilman @ 2009-08-23 21:32 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> This patch modifies the clock, clockdomain and OMAP3 specific powerdomain code to call the PM counter infrastructure whenever one or more powerdomains might have changed state. Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> --- arch/arm/mach-omap2/clock.c | 2 ++ arch/arm/mach-omap2/clockdomain.c | 3 +++ arch/arm/mach-omap2/pm34xx.c | 6 ++++++ 3 files changed, 11 insertions(+), 0 deletions(-) diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index 456e2ad..f2a92d6 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -1043,5 +1043,7 @@ void omap2_clk_disable_unused(struct clk *clk) omap2_clk_disable(clk); } else _omap2_clk_disable(clk); + if (clk->clkdm != NULL) + pwrdm_clkdm_state_switch(clk->clkdm); } #endif diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 26912a9..5b0b90b 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -574,6 +574,7 @@ int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk) omap2_clkdm_wakeup(clkdm); pwrdm_wait_transition(clkdm->pwrdm.ptr); + pwrdm_clkdm_state_switch(clkdm); return 0; } @@ -626,6 +627,8 @@ int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk) else omap2_clkdm_sleep(clkdm); + pwrdm_clkdm_state_switch(clkdm); + return 0; } diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 488d595..f197624 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -170,6 +170,8 @@ static void omap_sram_idle(void) printk(KERN_ERR "Invalid mpu state in sram_idle\n"); return; } + pwrdm_pre_transition(); + omap2_gpio_prepare_for_retention(); omap_uart_prepare_idle(0); omap_uart_prepare_idle(1); @@ -182,6 +184,9 @@ static void omap_sram_idle(void) omap_uart_resume_idle(1); omap_uart_resume_idle(0); omap2_gpio_resume_after_retention(); + + pwrdm_post_transition(); + } /* @@ -271,6 +276,7 @@ static int set_pwrdm_state(struct powerdomain *pwrdm, u32 state) if (sleep_switch) { omap2_clkdm_allow_idle(pwrdm->pwrdm_clkdms[0]); pwrdm_wait_transition(pwrdm); + pwrdm_state_switch(pwrdm); } err: -- 1.6.4 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH v2 3/7] OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each. 2009-08-23 21:32 ` [PATCH v2 2/7] OMAP: PM: Hook into PM counters Kevin Hilman @ 2009-08-23 21:32 ` Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 4/7] OMAP: PM: Add pm-debug counters Kevin Hilman 0 siblings, 1 reply; 9+ messages in thread From: Kevin Hilman @ 2009-08-23 21:32 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Add some infrastructure to easily iterate over clock and power domains. Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> --- arch/arm/mach-omap2/clockdomain.c | 5 +++-- arch/arm/mach-omap2/pm24xx.c | 4 ++-- arch/arm/mach-omap2/pm34xx.c | 8 ++++---- arch/arm/plat-omap/include/mach/clockdomain.h | 3 ++- arch/arm/plat-omap/include/mach/powerdomain.h | 3 ++- 5 files changed, 13 insertions(+), 10 deletions(-) diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 5b0b90b..4ef7b4f 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -299,7 +299,8 @@ struct clockdomain *clkdm_lookup(const char *name) * anything else to indicate failure; or -EINVAL if the function pointer * is null. */ -int clkdm_for_each(int (*fn)(struct clockdomain *clkdm)) +int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user), + void *user) { struct clockdomain *clkdm; int ret = 0; @@ -309,7 +310,7 @@ int clkdm_for_each(int (*fn)(struct clockdomain *clkdm)) mutex_lock(&clkdm_mutex); list_for_each_entry(clkdm, &clkdm_list, node) { - ret = (*fn)(clkdm); + ret = (*fn)(clkdm, user); if (ret) break; } diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index 528dbdc..bff5c4e 100644 --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -333,7 +333,7 @@ static struct platform_suspend_ops omap_pm_ops = { .valid = suspend_valid_only_mem, }; -static int _pm_clkdm_enable_hwsup(struct clockdomain *clkdm) +static int _pm_clkdm_enable_hwsup(struct clockdomain *clkdm, void *unused) { omap2_clkdm_allow_idle(clkdm); return 0; @@ -385,7 +385,7 @@ static void __init prcm_setup_regs(void) omap2_clkdm_sleep(gfx_clkdm); /* Enable clockdomain hardware-supervised control for all clkdms */ - clkdm_for_each(_pm_clkdm_enable_hwsup); + clkdm_for_each(_pm_clkdm_enable_hwsup, NULL); /* Enable clock autoidle for all domains */ cm_write_mod_reg(OMAP24XX_AUTO_CAM | diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index f197624..331dfca 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -664,7 +664,7 @@ static void __init prcm_setup_regs(void) omap3_d2d_idle(); } -static int __init pwrdms_setup(struct powerdomain *pwrdm) +static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) { struct power_state *pwrst; @@ -689,7 +689,7 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm) * supported. Initiate sleep transition for other clockdomains, if * they are not used */ -static int __init clkdms_setup(struct clockdomain *clkdm) +static int __init clkdms_setup(struct clockdomain *clkdm, void *unused) { if (clkdm->flags & CLKDM_CAN_ENABLE_AUTO) omap2_clkdm_allow_idle(clkdm); @@ -722,13 +722,13 @@ static int __init omap3_pm_init(void) goto err1; } - ret = pwrdm_for_each(pwrdms_setup); + ret = pwrdm_for_each(pwrdms_setup, NULL); if (ret) { printk(KERN_ERR "Failed to setup powerdomains\n"); goto err2; } - (void) clkdm_for_each(clkdms_setup); + (void) clkdm_for_each(clkdms_setup, NULL); mpu_pwrdm = pwrdm_lookup("mpu_pwrdm"); if (mpu_pwrdm == NULL) { diff --git a/arch/arm/plat-omap/include/mach/clockdomain.h b/arch/arm/plat-omap/include/mach/clockdomain.h index b9d0dd2..99ebd88 100644 --- a/arch/arm/plat-omap/include/mach/clockdomain.h +++ b/arch/arm/plat-omap/include/mach/clockdomain.h @@ -95,7 +95,8 @@ int clkdm_register(struct clockdomain *clkdm); int clkdm_unregister(struct clockdomain *clkdm); struct clockdomain *clkdm_lookup(const char *name); -int clkdm_for_each(int (*fn)(struct clockdomain *clkdm)); +int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user), + void *user); struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm); void omap2_clkdm_allow_idle(struct clockdomain *clkdm); diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h index 52663fc..de03f3d 100644 --- a/arch/arm/plat-omap/include/mach/powerdomain.h +++ b/arch/arm/plat-omap/include/mach/powerdomain.h @@ -128,7 +128,8 @@ int pwrdm_register(struct powerdomain *pwrdm); int pwrdm_unregister(struct powerdomain *pwrdm); struct powerdomain *pwrdm_lookup(const char *name); -int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)); +int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user), + void *user); int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm); int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm); -- 1.6.4 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH v2 4/7] OMAP: PM: Add pm-debug counters 2009-08-23 21:32 ` [PATCH v2 3/7] OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each Kevin Hilman @ 2009-08-23 21:32 ` Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 5/7] OMAP: PM debug: make powerdomains use PM-debug counters Kevin Hilman 0 siblings, 1 reply; 9+ messages in thread From: Kevin Hilman @ 2009-08-23 21:32 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver, Tero Kristo From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> This patch provides the debugfs entries and a function which will be called by the PM code to register the time spent per domain per state. Also some new fields are added to the powerdomain struct to keep the time information. NOTE: As of v2.6.29, using getnstimeofday() after drivers are suspended is no longer safe since the timekeeping subsystem is also suspended as part of the suspend process. Instead use sched_clock() which on OMAP returns the 32k SYNC timer in nanoseconds. Also, do not print out status for meta powerdomains (dpll*) Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> --- arch/arm/mach-omap2/pm-debug.c | 178 ++++++++++++++++++++++++- arch/arm/mach-omap2/pm.h | 4 + arch/arm/plat-omap/include/mach/powerdomain.h | 5 + 3 files changed, 186 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index da3a53f..7383e85 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -20,13 +20,15 @@ */ #include <linux/kernel.h> -#include <linux/timer.h> +#include <linux/sched.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> #include <mach/clock.h> #include <mach/board.h> +#include <mach/powerdomain.h> +#include <mach/clockdomain.h> #include "prm.h" #include "cm.h" @@ -150,3 +152,177 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) for (i = 0; i < reg_count; i++) printk(KERN_INFO "%-20s: 0x%08x\n", regs[i].name, regs[i].val); } + +#ifdef CONFIG_DEBUG_FS +#include <linux/debugfs.h> +#include <linux/seq_file.h> + +struct dentry *pm_dbg_dir; + +static int pm_dbg_init_done; + +enum { + DEBUG_FILE_COUNTERS = 0, + DEBUG_FILE_TIMERS, +}; + +static const char pwrdm_state_names[][4] = { + "OFF", + "RET", + "INA", + "ON" +}; + +void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) +{ + s64 t; + + if (!pm_dbg_init_done) + return ; + + /* Update timer for previous state */ + t = sched_clock(); + + pwrdm->state_timer[prev] += t - pwrdm->timer; + + pwrdm->timer = t; +} + +static int clkdm_dbg_show_counter(struct clockdomain *clkdm, void *user) +{ + struct seq_file *s = (struct seq_file *)user; + + if (strcmp(clkdm->name, "emu_clkdm") == 0 || + strcmp(clkdm->name, "wkup_clkdm") == 0 || + strncmp(clkdm->name, "dpll", 4) == 0) + return 0; + + seq_printf(s, "%s->%s (%d)", clkdm->name, + clkdm->pwrdm.ptr->name, + atomic_read(&clkdm->usecount)); + seq_printf(s, "\n"); + + return 0; +} + +static int pwrdm_dbg_show_counter(struct powerdomain *pwrdm, void *user) +{ + struct seq_file *s = (struct seq_file *)user; + int i; + + if (strcmp(pwrdm->name, "emu_pwrdm") == 0 || + strcmp(pwrdm->name, "wkup_pwrdm") == 0 || + strncmp(pwrdm->name, "dpll", 4) == 0) + return 0; + + if (pwrdm->state != pwrdm_read_pwrst(pwrdm)) + printk(KERN_ERR "pwrdm state mismatch(%s) %d != %d\n", + pwrdm->name, pwrdm->state, pwrdm_read_pwrst(pwrdm)); + + seq_printf(s, "%s (%s)", pwrdm->name, + pwrdm_state_names[pwrdm->state]); + for (i = 0; i < 4; i++) + seq_printf(s, ",%s:%d", pwrdm_state_names[i], + pwrdm->state_counter[i]); + + seq_printf(s, "\n"); + + return 0; +} + +static int pwrdm_dbg_show_timer(struct powerdomain *pwrdm, void *user) +{ + struct seq_file *s = (struct seq_file *)user; + int i; + + if (strcmp(pwrdm->name, "emu_pwrdm") == 0 || + strcmp(pwrdm->name, "wkup_pwrdm") == 0 || + strncmp(pwrdm->name, "dpll", 4) == 0) + return 0; + + pwrdm_state_switch(pwrdm); + + seq_printf(s, "%s (%s)", pwrdm->name, + pwrdm_state_names[pwrdm->state]); + + for (i = 0; i < 4; i++) + seq_printf(s, ",%s:%lld", pwrdm_state_names[i], + pwrdm->state_timer[i]); + + seq_printf(s, "\n"); + return 0; +} + +static int pm_dbg_show_counters(struct seq_file *s, void *unused) +{ + pwrdm_for_each(pwrdm_dbg_show_counter, s); + clkdm_for_each(clkdm_dbg_show_counter, s); + + return 0; +} + +static int pm_dbg_show_timers(struct seq_file *s, void *unused) +{ + pwrdm_for_each(pwrdm_dbg_show_timer, s); + return 0; +} + +static int pm_dbg_open(struct inode *inode, struct file *file) +{ + switch ((int)inode->i_private) { + case DEBUG_FILE_COUNTERS: + return single_open(file, pm_dbg_show_counters, + &inode->i_private); + case DEBUG_FILE_TIMERS: + default: + return single_open(file, pm_dbg_show_timers, + &inode->i_private); + }; +} + +static const struct file_operations debug_fops = { + .open = pm_dbg_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) +{ + int i; + s64 t; + + t = sched_clock(); + + for (i = 0; i < 4; i++) + pwrdm->state_timer[i] = 0; + + pwrdm->timer = t; + + return 0; +} + +static int __init pm_dbg_init(void) +{ + struct dentry *d; + + d = debugfs_create_dir("pm_debug", NULL); + if (IS_ERR(d)) + return PTR_ERR(d); + + (void) debugfs_create_file("count", S_IRUGO, + d, (void *)DEBUG_FILE_COUNTERS, &debug_fops); + (void) debugfs_create_file("time", S_IRUGO, + d, (void *)DEBUG_FILE_TIMERS, &debug_fops); + + pwrdm_for_each(pwrdms_setup, NULL); + + pm_dbg_init_done = 1; + + return 0; +} +late_initcall(pm_dbg_init); + +#else +void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) {} +#endif diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 21201cd..4589db1 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -11,12 +11,16 @@ #ifndef __ARCH_ARM_MACH_OMAP2_PM_H #define __ARCH_ARM_MACH_OMAP2_PM_H +#include <mach/powerdomain.h> + #ifdef CONFIG_PM_DEBUG extern void omap2_pm_dump(int mode, int resume, unsigned int us); extern int omap2_pm_debug; +extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); #else #define omap2_pm_dump(mode, resume, us) do {} while (0); #define omap2_pm_debug 0 +#define pm_dbg_update_time(pwrdm, prev) do {} while (0); #endif /* CONFIG_PM_DEBUG */ extern void omap24xx_idle_loop_suspend(void); diff --git a/arch/arm/plat-omap/include/mach/powerdomain.h b/arch/arm/plat-omap/include/mach/powerdomain.h index de03f3d..6271d85 100644 --- a/arch/arm/plat-omap/include/mach/powerdomain.h +++ b/arch/arm/plat-omap/include/mach/powerdomain.h @@ -119,6 +119,11 @@ struct powerdomain { int state; unsigned state_counter[4]; + +#ifdef CONFIG_PM_DEBUG + s64 timer; + s64 state_timer[4]; +#endif }; -- 1.6.4 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH v2 5/7] OMAP: PM debug: make powerdomains use PM-debug counters 2009-08-23 21:32 ` [PATCH v2 4/7] OMAP: PM: Add pm-debug counters Kevin Hilman @ 2009-08-23 21:32 ` Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 6/7] OMAP: PM debug: Add PRCM register dump support Kevin Hilman 0 siblings, 1 reply; 9+ messages in thread From: Kevin Hilman @ 2009-08-23 21:32 UTC (permalink / raw) To: linux-omap; +Cc: Peter 'p2' De Schrijver From: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Make the powerdomain code call the new hook for updating the time. Also implement the updated pwrdm_for_each. Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> --- arch/arm/mach-omap2/powerdomain.c | 17 +++++++++++------ 1 files changed, 11 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index a2d9871..5a6cef3 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -35,6 +35,8 @@ #include <mach/powerdomain.h> #include <mach/clockdomain.h> +#include "pm.h" + enum { PWRDM_STATE_NOW = 0, PWRDM_STATE_PREV, @@ -134,19 +136,21 @@ static int _pwrdm_state_switch(struct powerdomain *pwrdm, int flag) if (state != prev) pwrdm->state_counter[state]++; + pm_dbg_update_time(pwrdm, prev); + pwrdm->state = state; return 0; } -static int _pwrdm_pre_transition_cb(struct powerdomain *pwrdm) +static int _pwrdm_pre_transition_cb(struct powerdomain *pwrdm, void *unused) { pwrdm_clear_all_prev_pwrst(pwrdm); _pwrdm_state_switch(pwrdm, PWRDM_STATE_NOW); return 0; } -static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm) +static int _pwrdm_post_transition_cb(struct powerdomain *pwrdm, void *unused) { _pwrdm_state_switch(pwrdm, PWRDM_STATE_PREV); return 0; @@ -282,7 +286,8 @@ struct powerdomain *pwrdm_lookup(const char *name) * anything else to indicate failure; or -EINVAL if the function * pointer is null. */ -int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)) +int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user), + void *user) { struct powerdomain *temp_pwrdm; unsigned long flags; @@ -293,7 +298,7 @@ int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm)) read_lock_irqsave(&pwrdm_rwlock, flags); list_for_each_entry(temp_pwrdm, &pwrdm_list, node) { - ret = (*fn)(temp_pwrdm); + ret = (*fn)(temp_pwrdm, user); if (ret) break; } @@ -1198,13 +1203,13 @@ int pwrdm_clk_state_switch(struct clk *clk) int pwrdm_pre_transition(void) { - pwrdm_for_each(_pwrdm_pre_transition_cb); + pwrdm_for_each(_pwrdm_pre_transition_cb, NULL); return 0; } int pwrdm_post_transition(void) { - pwrdm_for_each(_pwrdm_post_transition_cb); + pwrdm_for_each(_pwrdm_post_transition_cb, NULL); return 0; } -- 1.6.4 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH v2 6/7] OMAP: PM debug: Add PRCM register dump support 2009-08-23 21:32 ` [PATCH v2 5/7] OMAP: PM debug: make powerdomains use PM-debug counters Kevin Hilman @ 2009-08-23 21:32 ` Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 7/7] OMAP: PM: Added suspend target state control to debugfs for OMAP3 Kevin Hilman 0 siblings, 1 reply; 9+ messages in thread From: Kevin Hilman @ 2009-08-23 21:32 UTC (permalink / raw) To: linux-omap; +Cc: Tero Kristo From: Tero Kristo <tero.kristo@nokia.com> Allows dumping out current register contents from the debug filesystem, and also allows user to add arbitrary register save points into code. Current register contents are available under debugfs at: [debugfs]/pm_debug/registers/current To add a save point, do following: >From module init (or somewhere before the save call, called only once): pm_dbg_init_regset(n); // n=1..4, allocates memory for dump area #n >From arbitrary code location: pm_dbg_regset_save(n); // n=1..4, saves registers to dump area #n After this, the register dump can be seen under [debugfs]/pm_debug/registers/n Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> --- arch/arm/mach-omap2/pm-debug.c | 226 +++++++++++++++++++++++++++++++++++++++- arch/arm/mach-omap2/pm.h | 4 + 2 files changed, 229 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 7383e85..982aa67 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -52,6 +52,8 @@ int omap2_pm_debug; regs[reg_count].name = #reg; \ regs[reg_count++].val = __raw_readl(OMAP2_IO_ADDRESS(0x480fe000 + (off))) +static int __init pm_dbg_init(void); + void omap2_pm_dump(int mode, int resume, unsigned int us) { struct reg { @@ -157,6 +159,8 @@ void omap2_pm_dump(int mode, int resume, unsigned int us) #include <linux/debugfs.h> #include <linux/seq_file.h> +static void pm_dbg_regset_store(u32 *ptr); + struct dentry *pm_dbg_dir; static int pm_dbg_init_done; @@ -166,6 +170,160 @@ enum { DEBUG_FILE_TIMERS, }; +struct pm_module_def { + char name[8]; /* Name of the module */ + short type; /* CM or PRM */ + unsigned short offset; + int low; /* First register address on this module */ + int high; /* Last register address on this module */ +}; + +#define MOD_CM 0 +#define MOD_PRM 1 + +static const struct pm_module_def *pm_dbg_reg_modules; +static const struct pm_module_def omap3_pm_reg_modules[] = { + { "IVA2", MOD_CM, OMAP3430_IVA2_MOD, 0, 0x4c }, + { "OCP", MOD_CM, OCP_MOD, 0, 0x10 }, + { "MPU", MOD_CM, MPU_MOD, 4, 0x4c }, + { "CORE", MOD_CM, CORE_MOD, 0, 0x4c }, + { "SGX", MOD_CM, OMAP3430ES2_SGX_MOD, 0, 0x4c }, + { "WKUP", MOD_CM, WKUP_MOD, 0, 0x40 }, + { "CCR", MOD_CM, PLL_MOD, 0, 0x70 }, + { "DSS", MOD_CM, OMAP3430_DSS_MOD, 0, 0x4c }, + { "CAM", MOD_CM, OMAP3430_CAM_MOD, 0, 0x4c }, + { "PER", MOD_CM, OMAP3430_PER_MOD, 0, 0x4c }, + { "EMU", MOD_CM, OMAP3430_EMU_MOD, 0x40, 0x54 }, + { "NEON", MOD_CM, OMAP3430_NEON_MOD, 0x20, 0x48 }, + { "USB", MOD_CM, OMAP3430ES2_USBHOST_MOD, 0, 0x4c }, + + { "IVA2", MOD_PRM, OMAP3430_IVA2_MOD, 0x50, 0xfc }, + { "OCP", MOD_PRM, OCP_MOD, 4, 0x1c }, + { "MPU", MOD_PRM, MPU_MOD, 0x58, 0xe8 }, + { "CORE", MOD_PRM, CORE_MOD, 0x58, 0xf8 }, + { "SGX", MOD_PRM, OMAP3430ES2_SGX_MOD, 0x58, 0xe8 }, + { "WKUP", MOD_PRM, WKUP_MOD, 0xa0, 0xb0 }, + { "CCR", MOD_PRM, PLL_MOD, 0x40, 0x70 }, + { "DSS", MOD_PRM, OMAP3430_DSS_MOD, 0x58, 0xe8 }, + { "CAM", MOD_PRM, OMAP3430_CAM_MOD, 0x58, 0xe8 }, + { "PER", MOD_PRM, OMAP3430_PER_MOD, 0x58, 0xe8 }, + { "EMU", MOD_PRM, OMAP3430_EMU_MOD, 0x58, 0xe4 }, + { "GLBL", MOD_PRM, OMAP3430_GR_MOD, 0x20, 0xe4 }, + { "NEON", MOD_PRM, OMAP3430_NEON_MOD, 0x58, 0xe8 }, + { "USB", MOD_PRM, OMAP3430ES2_USBHOST_MOD, 0x58, 0xe8 }, + { "", 0, 0, 0, 0 }, +}; + +#define PM_DBG_MAX_REG_SETS 4 + +static void *pm_dbg_reg_set[PM_DBG_MAX_REG_SETS]; + +static int pm_dbg_get_regset_size(void) +{ + static int regset_size; + + if (regset_size == 0) { + int i = 0; + + while (pm_dbg_reg_modules[i].name[0] != 0) { + regset_size += pm_dbg_reg_modules[i].high + + 4 - pm_dbg_reg_modules[i].low; + i++; + } + } + return regset_size; +} + +static int pm_dbg_show_regs(struct seq_file *s, void *unused) +{ + int i, j; + unsigned long val; + int reg_set = (int)s->private; + u32 *ptr; + void *store = NULL; + int regs; + int linefeed; + + if (reg_set == 0) { + store = kmalloc(pm_dbg_get_regset_size(), GFP_KERNEL); + ptr = store; + pm_dbg_regset_store(ptr); + } else { + ptr = pm_dbg_reg_set[reg_set - 1]; + } + + i = 0; + + while (pm_dbg_reg_modules[i].name[0] != 0) { + regs = 0; + linefeed = 0; + if (pm_dbg_reg_modules[i].type == MOD_CM) + seq_printf(s, "MOD: CM_%s (%08x)\n", + pm_dbg_reg_modules[i].name, + (u32)(OMAP3430_CM_BASE + + pm_dbg_reg_modules[i].offset)); + else + seq_printf(s, "MOD: PRM_%s (%08x)\n", + pm_dbg_reg_modules[i].name, + (u32)(OMAP3430_PRM_BASE + + pm_dbg_reg_modules[i].offset)); + + for (j = pm_dbg_reg_modules[i].low; + j <= pm_dbg_reg_modules[i].high; j += 4) { + val = *(ptr++); + if (val != 0) { + regs++; + if (linefeed) { + seq_printf(s, "\n"); + linefeed = 0; + } + seq_printf(s, " %02x => %08lx", j, val); + if (regs % 4 == 0) + linefeed = 1; + } + } + seq_printf(s, "\n"); + i++; + } + + if (store != NULL) + kfree(store); + + return 0; +} + +static void pm_dbg_regset_store(u32 *ptr) +{ + int i, j; + u32 val; + + i = 0; + + while (pm_dbg_reg_modules[i].name[0] != 0) { + for (j = pm_dbg_reg_modules[i].low; + j <= pm_dbg_reg_modules[i].high; j += 4) { + if (pm_dbg_reg_modules[i].type == MOD_CM) + val = cm_read_mod_reg( + pm_dbg_reg_modules[i].offset, j); + else + val = prm_read_mod_reg( + pm_dbg_reg_modules[i].offset, j); + *(ptr++) = val; + } + i++; + } +} + +int pm_dbg_regset_save(int reg_set) +{ + if (pm_dbg_reg_set[reg_set-1] == NULL) + return -EINVAL; + + pm_dbg_regset_store(pm_dbg_reg_set[reg_set-1]); + + return 0; +} + static const char pwrdm_state_names[][4] = { "OFF", "RET", @@ -280,6 +438,11 @@ static int pm_dbg_open(struct inode *inode, struct file *file) }; } +static int pm_dbg_reg_open(struct inode *inode, struct file *file) +{ + return single_open(file, pm_dbg_show_regs, inode->i_private); +} + static const struct file_operations debug_fops = { .open = pm_dbg_open, .read = seq_read, @@ -287,6 +450,40 @@ static const struct file_operations debug_fops = { .release = single_release, }; +static const struct file_operations debug_reg_fops = { + .open = pm_dbg_reg_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +int pm_dbg_regset_init(int reg_set) +{ + char name[2]; + + if (!pm_dbg_init_done) + pm_dbg_init(); + + if (reg_set < 1 || reg_set > PM_DBG_MAX_REG_SETS || + pm_dbg_reg_set[reg_set-1] != NULL) + return -EINVAL; + + pm_dbg_reg_set[reg_set-1] = + kmalloc(pm_dbg_get_regset_size(), GFP_KERNEL); + + if (pm_dbg_reg_set[reg_set-1] == NULL) + return -ENOMEM; + + if (pm_dbg_dir != NULL) { + sprintf(name, "%d", reg_set); + + (void) debugfs_create_file(name, S_IRUGO, + pm_dbg_dir, (void *)reg_set, &debug_reg_fops); + } + + return 0; +} + static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) { int i; @@ -304,8 +501,20 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) static int __init pm_dbg_init(void) { + int i; struct dentry *d; + char name[2]; + if (pm_dbg_init_done) + return 0; + + if (cpu_is_omap34xx()) + pm_dbg_reg_modules = omap3_pm_reg_modules; + else { + printk(KERN_ERR "%s: only OMAP3 supported\n", __func__); + return -ENODEV; + } + d = debugfs_create_dir("pm_debug", NULL); if (IS_ERR(d)) return PTR_ERR(d); @@ -317,11 +526,26 @@ static int __init pm_dbg_init(void) pwrdm_for_each(pwrdms_setup, NULL); + pm_dbg_dir = debugfs_create_dir("registers", d); + if (IS_ERR(pm_dbg_dir)) + return PTR_ERR(pm_dbg_dir); + + (void) debugfs_create_file("current", S_IRUGO, + pm_dbg_dir, (void *)0, &debug_reg_fops); + + for (i = 0; i < PM_DBG_MAX_REG_SETS; i++) + if (pm_dbg_reg_set[i] != NULL) { + sprintf(name, "%d", i+1); + (void) debugfs_create_file(name, S_IRUGO, + pm_dbg_dir, (void *)(i+1), &debug_reg_fops); + + } + pm_dbg_init_done = 1; return 0; } -late_initcall(pm_dbg_init); +arch_initcall(pm_dbg_init); #else void pm_dbg_update_time(struct powerdomain *pwrdm, int prev) {} diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 4589db1..8fa8567 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -17,10 +17,14 @@ extern void omap2_pm_dump(int mode, int resume, unsigned int us); extern int omap2_pm_debug; extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); +extern int pm_dbg_regset_save(int reg_set); +extern int pm_dbg_regset_init(int reg_set); #else #define omap2_pm_dump(mode, resume, us) do {} while (0); #define omap2_pm_debug 0 #define pm_dbg_update_time(pwrdm, prev) do {} while (0); +#define pm_dbg_regset_save(reg_set) do {} while (0); +#define pm_dbg_regset_init(reg_set) do {} while (0); #endif /* CONFIG_PM_DEBUG */ extern void omap24xx_idle_loop_suspend(void); -- 1.6.4 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* [PATCH v2 7/7] OMAP: PM: Added suspend target state control to debugfs for OMAP3 2009-08-23 21:32 ` [PATCH v2 6/7] OMAP: PM debug: Add PRCM register dump support Kevin Hilman @ 2009-08-23 21:32 ` Kevin Hilman 0 siblings, 0 replies; 9+ messages in thread From: Kevin Hilman @ 2009-08-23 21:32 UTC (permalink / raw) To: linux-omap; +Cc: Tero Kristo From: Tero Kristo <tero.kristo@nokia.com> Target state can be read / programmed via files under: [debugfs]/pm_debug/[pwrdm]/suspend Signed-off-by: Tero Kristo <tero.kristo@nokia.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com> --- arch/arm/mach-omap2/pm-debug.c | 31 +++++++++++++++++++++++++++++-- arch/arm/mach-omap2/pm.h | 3 +++ arch/arm/mach-omap2/pm34xx.c | 24 ++++++++++++++++++++++++ 3 files changed, 56 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 982aa67..1b4c160 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -24,6 +24,7 @@ #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/module.h> #include <mach/clock.h> #include <mach/board.h> @@ -484,10 +485,28 @@ int pm_dbg_regset_init(int reg_set) return 0; } -static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) +static int pwrdm_suspend_get(void *data, u64 *val) +{ + *val = omap3_pm_get_suspend_state((struct powerdomain *)data); + + if (*val >= 0) + return 0; + return *val; +} + +static int pwrdm_suspend_set(void *data, u64 val) +{ + return omap3_pm_set_suspend_state((struct powerdomain *)data, (int)val); +} + +DEFINE_SIMPLE_ATTRIBUTE(pwrdm_suspend_fops, pwrdm_suspend_get, + pwrdm_suspend_set, "%llu\n"); + +static int __init pwrdms_setup(struct powerdomain *pwrdm, void *dir) { int i; s64 t; + struct dentry *d; t = sched_clock(); @@ -496,6 +515,14 @@ static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) pwrdm->timer = t; + if (strncmp(pwrdm->name, "dpll", 4) == 0) + return 0; + + d = debugfs_create_dir(pwrdm->name, (struct dentry *)dir); + + (void) debugfs_create_file("suspend", S_IRUGO|S_IWUSR, d, + (void *)pwrdm, &pwrdm_suspend_fops); + return 0; } @@ -524,7 +551,7 @@ static int __init pm_dbg_init(void) (void) debugfs_create_file("time", S_IRUGO, d, (void *)DEBUG_FILE_TIMERS, &debug_fops); - pwrdm_for_each(pwrdms_setup, NULL); + pwrdm_for_each(pwrdms_setup, (void *)d); pm_dbg_dir = debugfs_create_dir("registers", d); if (IS_ERR(pm_dbg_dir)) diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 8fa8567..8400f57 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -13,6 +13,9 @@ #include <mach/powerdomain.h> +extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); +extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); + #ifdef CONFIG_PM_DEBUG extern void omap2_pm_dump(int mode, int resume, unsigned int us); extern int omap2_pm_debug; diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 331dfca..26f2aca 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -664,6 +664,30 @@ static void __init prcm_setup_regs(void) omap3_d2d_idle(); } +int omap3_pm_get_suspend_state(struct powerdomain *pwrdm) +{ + struct power_state *pwrst; + + list_for_each_entry(pwrst, &pwrst_list, node) { + if (pwrst->pwrdm == pwrdm) + return pwrst->next_state; + } + return -EINVAL; +} + +int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state) +{ + struct power_state *pwrst; + + list_for_each_entry(pwrst, &pwrst_list, node) { + if (pwrst->pwrdm == pwrdm) { + pwrst->next_state = state; + return 0; + } + } + return -EINVAL; +} + static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused) { struct power_state *pwrst; -- 1.6.4 ^ permalink raw reply related [flat|nested] 9+ messages in thread
* Re: [PATCH v2 0/7] OMAP3: PM debug infrastructure 2009-08-23 21:32 [PATCH v2 0/7] OMAP3: PM debug infrastructure Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 1/7] OMAP: PM counter infrastructure Kevin Hilman @ 2009-08-24 15:20 ` Tony Lindgren 1 sibling, 0 replies; 9+ messages in thread From: Tony Lindgren @ 2009-08-24 15:20 UTC (permalink / raw) To: Kevin Hilman; +Cc: linux-omap * Kevin Hilman <khilman@deeprootsystems.com> [090824 00:32]: > updates from v1 > - update 'Add PRCM register dump support' to use SoC specific > registers. Currenly only OMAP3 supported. > - drop debug observability support for now, needs some updates as pointed > out by Tony > > Peter 'p2' De Schrijver (5): > OMAP: PM counter infrastructure. > OMAP: PM: Hook into PM counters > OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each. > OMAP: PM: Add pm-debug counters > OMAP: PM debug: make powerdomains use PM-debug counters > > Tero Kristo (2): > OMAP: PM debug: Add PRCM register dump support > OMAP: PM: Added suspend target state control to debugfs for OMAP3 I've pulled this into omap for-next in addition to your pm-upstream/fixes-32 branch. Tony > > arch/arm/mach-omap2/clock.c | 2 + > arch/arm/mach-omap2/clockdomain.c | 10 +- > arch/arm/mach-omap2/pm-debug.c | 429 ++++++++++++++++++++++++- > arch/arm/mach-omap2/pm.h | 11 + > arch/arm/mach-omap2/pm24xx.c | 4 +- > arch/arm/mach-omap2/pm34xx.c | 38 ++- > arch/arm/mach-omap2/powerdomain.c | 110 ++++++- > arch/arm/plat-omap/include/mach/clockdomain.h | 3 +- > arch/arm/plat-omap/include/mach/powerdomain.h | 15 +- > 9 files changed, 607 insertions(+), 15 deletions(-) > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply [flat|nested] 9+ messages in thread
end of thread, other threads:[~2009-08-24 15:20 UTC | newest] Thread overview: 9+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2009-08-23 21:32 [PATCH v2 0/7] OMAP3: PM debug infrastructure Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 1/7] OMAP: PM counter infrastructure Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 2/7] OMAP: PM: Hook into PM counters Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 3/7] OMAP: PM: Add closures to clkdm_for_each and pwrdm_for_each Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 4/7] OMAP: PM: Add pm-debug counters Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 5/7] OMAP: PM debug: make powerdomains use PM-debug counters Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 6/7] OMAP: PM debug: Add PRCM register dump support Kevin Hilman 2009-08-23 21:32 ` [PATCH v2 7/7] OMAP: PM: Added suspend target state control to debugfs for OMAP3 Kevin Hilman 2009-08-24 15:20 ` [PATCH v2 0/7] OMAP3: PM debug infrastructure Tony Lindgren
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