From: Viresh Kumar <viresh.kumar@linaro.org> To: Thomas Gleixner <tglx@linutronix.de>, Daniel Lezcano <daniel.lezcano@linaro.org> Cc: linaro-kernel@lists.linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Viresh Kumar <viresh.kumar@linaro.org>, Nicolas Ferre <nicolas.ferre@atmel.com>, Alexandre Belloni <alexandre.belloni@free-electrons.com>, Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Subject: [PATCH 31/41] clocksource: atmel-st: Migrate to new 'set-state' interface Date: Thu, 18 Jun 2015 16:24:45 +0530 [thread overview] Message-ID: <641cb53b1a3f8697340ae8a96e6734be44c7de47.1434622147.git.viresh.kumar@linaro.org> (raw) In-Reply-To: <cover.1434622147.git.viresh.kumar@linaro.org> In-Reply-To: <cover.1434622147.git.viresh.kumar@linaro.org> Migrate atmel-st driver to the new 'set-state' interface provided by clockevents core, the earlier 'set-mode' interface is marked obsolete now. This also enables us to implement callbacks for new states of clockevent devices, for example: ONESHOT_STOPPED. Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/clocksource/timer-atmel-st.c | 69 ++++++++++++++++++++++-------------- 1 file changed, 42 insertions(+), 27 deletions(-) diff --git a/drivers/clocksource/timer-atmel-st.c b/drivers/clocksource/timer-atmel-st.c index 1692e17e096b..41b7b6dc1d0d 100644 --- a/drivers/clocksource/timer-atmel-st.c +++ b/drivers/clocksource/timer-atmel-st.c @@ -106,36 +106,47 @@ static struct clocksource clk32k = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -static void -clkevt32k_mode(enum clock_event_mode mode, struct clock_event_device *dev) +static void clkdev32k_disable_and_flush_irq(void) { unsigned int val; /* Disable and flush pending timer interrupts */ regmap_write(regmap_st, AT91_ST_IDR, AT91_ST_PITS | AT91_ST_ALMS); regmap_read(regmap_st, AT91_ST_SR, &val); - last_crtr = read_CRTR(); - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - /* PIT for periodic irqs; fixed rate of 1/HZ */ - irqmask = AT91_ST_PITS; - regmap_write(regmap_st, AT91_ST_PIMR, RM9200_TIMER_LATCH); - break; - case CLOCK_EVT_MODE_ONESHOT: - /* ALM for oneshot irqs, set by next_event() - * before 32 seconds have passed - */ - irqmask = AT91_ST_ALMS; - regmap_write(regmap_st, AT91_ST_RTAR, last_crtr); - break; - case CLOCK_EVT_MODE_SHUTDOWN: - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_RESUME: - irqmask = 0; - break; - } +} + +static int clkevt32k_shutdown(struct clock_event_device *evt) +{ + clkdev32k_disable_and_flush_irq(); + irqmask = 0; + regmap_write(regmap_st, AT91_ST_IER, irqmask); + return 0; +} + +static int clkevt32k_set_oneshot(struct clock_event_device *dev) +{ + clkdev32k_disable_and_flush_irq(); + + /* + * ALM for oneshot irqs, set by next_event() + * before 32 seconds have passed. + */ + irqmask = AT91_ST_ALMS; + regmap_write(regmap_st, AT91_ST_RTAR, last_crtr); regmap_write(regmap_st, AT91_ST_IER, irqmask); + return 0; +} + +static int clkevt32k_set_periodic(struct clock_event_device *dev) +{ + clkdev32k_disable_and_flush_irq(); + + /* PIT for periodic irqs; fixed rate of 1/HZ */ + irqmask = AT91_ST_PITS; + regmap_write(regmap_st, AT91_ST_PIMR, RM9200_TIMER_LATCH); + regmap_write(regmap_st, AT91_ST_IER, irqmask); + return 0; } static int @@ -170,11 +181,15 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev) } static struct clock_event_device clkevt = { - .name = "at91_tick", - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .rating = 150, - .set_next_event = clkevt32k_next_event, - .set_mode = clkevt32k_mode, + .name = "at91_tick", + .features = CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_ONESHOT, + .rating = 150, + .set_next_event = clkevt32k_next_event, + .set_state_shutdown = clkevt32k_shutdown, + .set_state_periodic = clkevt32k_set_periodic, + .set_state_oneshot = clkevt32k_set_oneshot, + .tick_resume = clkevt32k_shutdown, }; /* -- 2.4.0
WARNING: multiple messages have this Message-ID (diff)
From: viresh.kumar@linaro.org (Viresh Kumar) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 31/41] clocksource: atmel-st: Migrate to new 'set-state' interface Date: Thu, 18 Jun 2015 16:24:45 +0530 [thread overview] Message-ID: <641cb53b1a3f8697340ae8a96e6734be44c7de47.1434622147.git.viresh.kumar@linaro.org> (raw) In-Reply-To: <cover.1434622147.git.viresh.kumar@linaro.org> Migrate atmel-st driver to the new 'set-state' interface provided by clockevents core, the earlier 'set-mode' interface is marked obsolete now. This also enables us to implement callbacks for new states of clockevent devices, for example: ONESHOT_STOPPED. Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Alexandre Belloni <alexandre.belloni@free-electrons.com> Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/clocksource/timer-atmel-st.c | 69 ++++++++++++++++++++++-------------- 1 file changed, 42 insertions(+), 27 deletions(-) diff --git a/drivers/clocksource/timer-atmel-st.c b/drivers/clocksource/timer-atmel-st.c index 1692e17e096b..41b7b6dc1d0d 100644 --- a/drivers/clocksource/timer-atmel-st.c +++ b/drivers/clocksource/timer-atmel-st.c @@ -106,36 +106,47 @@ static struct clocksource clk32k = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -static void -clkevt32k_mode(enum clock_event_mode mode, struct clock_event_device *dev) +static void clkdev32k_disable_and_flush_irq(void) { unsigned int val; /* Disable and flush pending timer interrupts */ regmap_write(regmap_st, AT91_ST_IDR, AT91_ST_PITS | AT91_ST_ALMS); regmap_read(regmap_st, AT91_ST_SR, &val); - last_crtr = read_CRTR(); - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - /* PIT for periodic irqs; fixed rate of 1/HZ */ - irqmask = AT91_ST_PITS; - regmap_write(regmap_st, AT91_ST_PIMR, RM9200_TIMER_LATCH); - break; - case CLOCK_EVT_MODE_ONESHOT: - /* ALM for oneshot irqs, set by next_event() - * before 32 seconds have passed - */ - irqmask = AT91_ST_ALMS; - regmap_write(regmap_st, AT91_ST_RTAR, last_crtr); - break; - case CLOCK_EVT_MODE_SHUTDOWN: - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_RESUME: - irqmask = 0; - break; - } +} + +static int clkevt32k_shutdown(struct clock_event_device *evt) +{ + clkdev32k_disable_and_flush_irq(); + irqmask = 0; + regmap_write(regmap_st, AT91_ST_IER, irqmask); + return 0; +} + +static int clkevt32k_set_oneshot(struct clock_event_device *dev) +{ + clkdev32k_disable_and_flush_irq(); + + /* + * ALM for oneshot irqs, set by next_event() + * before 32 seconds have passed. + */ + irqmask = AT91_ST_ALMS; + regmap_write(regmap_st, AT91_ST_RTAR, last_crtr); regmap_write(regmap_st, AT91_ST_IER, irqmask); + return 0; +} + +static int clkevt32k_set_periodic(struct clock_event_device *dev) +{ + clkdev32k_disable_and_flush_irq(); + + /* PIT for periodic irqs; fixed rate of 1/HZ */ + irqmask = AT91_ST_PITS; + regmap_write(regmap_st, AT91_ST_PIMR, RM9200_TIMER_LATCH); + regmap_write(regmap_st, AT91_ST_IER, irqmask); + return 0; } static int @@ -170,11 +181,15 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev) } static struct clock_event_device clkevt = { - .name = "at91_tick", - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .rating = 150, - .set_next_event = clkevt32k_next_event, - .set_mode = clkevt32k_mode, + .name = "at91_tick", + .features = CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_ONESHOT, + .rating = 150, + .set_next_event = clkevt32k_next_event, + .set_state_shutdown = clkevt32k_shutdown, + .set_state_periodic = clkevt32k_set_periodic, + .set_state_oneshot = clkevt32k_set_oneshot, + .tick_resume = clkevt32k_shutdown, }; /* -- 2.4.0
next prev parent reply other threads:[~2015-06-18 10:57 UTC|newest] Thread overview: 171+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <cover.1434622147.git.viresh.kumar@linaro.org> 2015-06-18 10:54 ` [PATCH 01/41] clocksource: asm9260: Migrate to new 'set-state' interface Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-30 8:25 ` Daniel Lezcano 2015-06-30 8:25 ` Daniel Lezcano 2015-06-30 9:00 ` Viresh Kumar 2015-06-30 9:00 ` Viresh Kumar 2015-06-30 9:20 ` Daniel Lezcano 2015-06-30 9:20 ` Daniel Lezcano 2015-07-08 5:37 ` Vineet Gupta 2015-07-08 5:37 ` Vineet Gupta 2015-07-08 5:37 ` Vineet Gupta 2015-07-08 5:43 ` Viresh Kumar 2015-07-08 5:43 ` Viresh Kumar 2015-07-08 6:14 ` Vineet Gupta 2015-07-08 6:14 ` Vineet Gupta 2015-06-18 10:54 ` [PATCH 02/41] clocksource: cadence_ttc: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-25 23:15 ` Sören Brinkmann 2015-06-25 23:15 ` Sören Brinkmann 2015-06-30 8:28 ` Daniel Lezcano 2015-06-30 8:28 ` Daniel Lezcano 2015-06-18 10:54 ` [PATCH 03/41] clocksource: clps711x: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 04/41] clocksource: dummy_timer: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 05/41] clocksource: dw_apb: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 06/41] clocksource: exynos_mct: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 16:38 ` Alexey Klimov 2015-06-18 16:38 ` Alexey Klimov 2015-06-19 2:14 ` Viresh Kumar 2015-06-19 2:14 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 07/41] clocksource: fsl_ftm: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 08/41] clocksource: i8253: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 09/41] clocksource: meson6: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-20 6:53 ` Carlo Caione 2015-06-20 6:53 ` Carlo Caione 2015-06-18 10:54 ` [PATCH 10/41] clocksource: metag_generic: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 11/41] clocksource: mips-gic: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 12/41] clocksource: moxart: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 13/41] clocksource: mtk: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 14/41] clocksource: mxs: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-07-17 5:28 ` Stefan Wahren 2015-07-17 5:28 ` Stefan Wahren 2015-06-18 10:54 ` [PATCH 15/41] clocksource: nomadik-mtu: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-07-14 11:11 ` Linus Walleij 2015-07-14 11:11 ` Linus Walleij 2015-06-18 10:54 ` [PATCH 16/41] clocksource: pxa: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-07-04 15:42 ` Robert Jarzmik 2015-07-04 15:42 ` Robert Jarzmik 2015-07-05 3:37 ` Viresh Kumar 2015-07-05 3:37 ` Viresh Kumar 2015-07-06 6:13 ` Robert Jarzmik 2015-07-06 6:13 ` Robert Jarzmik 2015-06-18 10:54 ` [PATCH 17/41] clocksource: qcom: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-19 19:10 ` Stephen Boyd 2015-06-19 19:10 ` Stephen Boyd 2015-06-18 10:54 ` [PATCH 18/41] clocksource: rockchip: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 19/41] clocksource: samsung_pwm: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 20/41] clocksource: sh_cmt: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 13:10 ` Laurent Pinchart 2015-06-18 13:10 ` Laurent Pinchart 2015-06-18 10:54 ` [PATCH 21/41] clocksource: sh_mtu2: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 13:10 ` Laurent Pinchart 2015-06-18 13:10 ` Laurent Pinchart 2015-06-18 10:54 ` [PATCH 22/41] clocksource: sh_tmu: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 13:10 ` Laurent Pinchart 2015-06-18 13:10 ` Laurent Pinchart 2015-06-18 10:54 ` [PATCH 23/41] clocksource: sun4i: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 12:01 ` Maxime Ripard 2015-06-18 12:01 ` Maxime Ripard 2015-06-18 12:23 ` Viresh Kumar 2015-06-18 12:23 ` Viresh Kumar 2015-06-19 10:30 ` Maxime Ripard 2015-06-19 10:30 ` Maxime Ripard 2015-06-18 10:54 ` [PATCH 24/41] clocksource: tcb_clksrc: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 25/41] clocksource: tegra20: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-07-02 19:41 ` Daniel Lezcano 2015-07-02 19:41 ` Daniel Lezcano 2015-07-03 8:54 ` Viresh Kumar 2015-07-03 8:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 26/41] clocksource: time-armada-370-xp: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 27/41] clocksource: efm32: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 28/41] clocksource: orion: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 29/41] clocksource: atlas7: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 30/41] clocksource: atmel: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 14:28 ` Alexandre Belloni 2015-06-18 14:28 ` Alexandre Belloni 2015-06-18 10:54 ` Viresh Kumar [this message] 2015-06-18 10:54 ` [PATCH 31/41] clocksource: atmel-st: " Viresh Kumar 2015-06-18 14:40 ` Alexandre Belloni 2015-06-18 14:40 ` Alexandre Belloni 2015-06-19 1:49 ` Viresh Kumar 2015-06-19 1:49 ` Viresh Kumar 2015-06-19 11:48 ` Alexandre Belloni 2015-06-19 11:48 ` Alexandre Belloni 2015-06-19 11:52 ` Viresh Kumar 2015-06-19 11:52 ` Viresh Kumar 2015-06-19 12:06 ` Alexandre Belloni 2015-06-19 12:06 ` Alexandre Belloni 2015-06-18 10:54 ` [PATCH 32/41] clocksource: digicolor: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-23 10:17 ` Baruch Siach 2015-06-23 10:17 ` Baruch Siach 2015-06-23 10:21 ` Viresh Kumar 2015-06-23 10:21 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 33/41] clocksource: integrator: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-07-14 13:35 ` Linus Walleij 2015-07-14 13:35 ` Linus Walleij 2015-06-18 10:54 ` [PATCH 34/41] clocksource: keystone: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 35/41] clocksource: prima2: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 36/41] clocksource: stm32: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 11:09 ` Maxime Coquelin 2015-06-18 11:09 ` Maxime Coquelin 2015-06-18 11:32 ` Viresh Kumar 2015-06-18 11:32 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 37/41] clocksource: sun5i: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 38/41] clocksource: u300: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-07-14 13:36 ` Linus Walleij 2015-07-14 13:36 ` Linus Walleij 2015-06-18 10:54 ` [PATCH 39/41] clocksource: vf_pit: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-07-03 8:10 ` Stefan Agner 2015-07-03 8:10 ` Stefan Agner 2015-07-03 8:57 ` Viresh Kumar 2015-07-03 8:57 ` Viresh Kumar 2015-07-03 11:11 ` Stefan Agner 2015-07-03 11:11 ` Stefan Agner 2015-07-03 11:17 ` Viresh Kumar 2015-07-03 11:17 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 40/41] clocksource: vt8500: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-06-18 10:54 ` [PATCH 41/41] clocksource: zevio: " Viresh Kumar 2015-06-18 10:54 ` Viresh Kumar 2015-07-02 20:11 ` Daniel Lezcano 2015-07-02 20:11 ` Daniel Lezcano 2015-07-03 8:56 ` Viresh Kumar 2015-07-03 8:56 ` Viresh Kumar 2015-07-03 8:59 ` Daniel Lezcano 2015-07-03 8:59 ` Daniel Lezcano
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