From: Viresh Kumar <viresh.kumar@linaro.org> To: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Thomas Gleixner <tglx@linutronix.de>, linaro-kernel@lists.linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Oleksij Rempel <linux@rempel-privat.de> Subject: Re: [PATCH 01/41] clocksource: asm9260: Migrate to new 'set-state' interface Date: Tue, 30 Jun 2015 14:30:48 +0530 [thread overview] Message-ID: <20150630090048.GA4626@linux> (raw) In-Reply-To: <55925268.4050109@linaro.org> On 30-06-15, 10:25, Daniel Lezcano wrote: > Could you add in the changelog the subtle change with > set_mode(RESUME) and this code. As a default the timer was stopped > when entering in the set_mode function, now with the new API, this > is done explicitly. > Can you replace this line with a call to asm9260_timer_shutdown ? How does this look ? --------------------------8<------------------ Message-Id: <12839571df542ecc8b9304b7de9881216d45aef8.1435654791.git.viresh.kumar@linaro.org> From: Viresh Kumar <viresh.kumar@linaro.org> Date: Fri, 27 Feb 2015 13:39:52 +0530 Subject: [PATCH] clocksource: asm9260: Migrate to new 'set-state' interface Migrate asm9260 driver to the new 'set-state' interface provided by clockevents core, the earlier 'set-mode' interface is marked obsolete now. As a default the timer was stopped when entering in the set_mode(RESUME) function, now this is done explicitly with the new API. This also enables us to implement callbacks for new states of clockevent devices, for example: ONESHOT_STOPPED. Cc: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/clocksource/asm9260_timer.c | 64 ++++++++++++++++++++++--------------- 1 file changed, 39 insertions(+), 25 deletions(-) diff --git a/drivers/clocksource/asm9260_timer.c b/drivers/clocksource/asm9260_timer.c index 4c2ba59897e8..217438d39eb3 100644 --- a/drivers/clocksource/asm9260_timer.c +++ b/drivers/clocksource/asm9260_timer.c @@ -120,38 +120,52 @@ static int asm9260_timer_set_next_event(unsigned long delta, return 0; } -static void asm9260_timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) +static inline void __asm9260_timer_shutdown(struct clock_event_device *evt) { /* stop timer0 */ writel_relaxed(BM_C0_EN, priv.base + HW_TCR + CLR_REG); +} + +static int asm9260_timer_shutdown(struct clock_event_device *evt) +{ + __asm9260_timer_shutdown(evt); + return 0; +} + +static int asm9260_timer_set_oneshot(struct clock_event_device *evt) +{ + __asm9260_timer_shutdown(evt); + + /* enable reset and stop on match */ + writel_relaxed(BM_MCR_RES_EN(0) | BM_MCR_STOP_EN(0), + priv.base + HW_MCR + SET_REG); + return 0; +} + +static int asm9260_timer_set_periodic(struct clock_event_device *evt) +{ + __asm9260_timer_shutdown(evt); - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - /* disable reset and stop on match */ - writel_relaxed(BM_MCR_RES_EN(0) | BM_MCR_STOP_EN(0), - priv.base + HW_MCR + CLR_REG); - /* configure match count for TC0 */ - writel_relaxed(priv.ticks_per_jiffy, priv.base + HW_MR0); - /* enable TC0 */ - writel_relaxed(BM_C0_EN, priv.base + HW_TCR + SET_REG); - break; - case CLOCK_EVT_MODE_ONESHOT: - /* enable reset and stop on match */ - writel_relaxed(BM_MCR_RES_EN(0) | BM_MCR_STOP_EN(0), - priv.base + HW_MCR + SET_REG); - break; - default: - break; - } + /* disable reset and stop on match */ + writel_relaxed(BM_MCR_RES_EN(0) | BM_MCR_STOP_EN(0), + priv.base + HW_MCR + CLR_REG); + /* configure match count for TC0 */ + writel_relaxed(priv.ticks_per_jiffy, priv.base + HW_MR0); + /* enable TC0 */ + writel_relaxed(BM_C0_EN, priv.base + HW_TCR + SET_REG); + return 0; } static struct clock_event_device event_dev = { - .name = DRIVER_NAME, - .rating = 200, - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .set_next_event = asm9260_timer_set_next_event, - .set_mode = asm9260_timer_set_mode, + .name = DRIVER_NAME, + .rating = 200, + .features = CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_ONESHOT, + .set_next_event = asm9260_timer_set_next_event, + .set_state_shutdown = asm9260_timer_shutdown, + .set_state_periodic = asm9260_timer_set_periodic, + .set_state_oneshot = asm9260_timer_set_oneshot, + .tick_resume = asm9260_timer_shutdown, }; static irqreturn_t asm9260_timer_interrupt(int irq, void *dev_id)
WARNING: multiple messages have this Message-ID (diff)
From: viresh.kumar@linaro.org (Viresh Kumar) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 01/41] clocksource: asm9260: Migrate to new 'set-state' interface Date: Tue, 30 Jun 2015 14:30:48 +0530 [thread overview] Message-ID: <20150630090048.GA4626@linux> (raw) In-Reply-To: <55925268.4050109@linaro.org> On 30-06-15, 10:25, Daniel Lezcano wrote: > Could you add in the changelog the subtle change with > set_mode(RESUME) and this code. As a default the timer was stopped > when entering in the set_mode function, now with the new API, this > is done explicitly. > Can you replace this line with a call to asm9260_timer_shutdown ? How does this look ? --------------------------8<------------------ Message-Id: <12839571df542ecc8b9304b7de9881216d45aef8.1435654791.git.viresh.kumar@linaro.org> From: Viresh Kumar <viresh.kumar@linaro.org> Date: Fri, 27 Feb 2015 13:39:52 +0530 Subject: [PATCH] clocksource: asm9260: Migrate to new 'set-state' interface Migrate asm9260 driver to the new 'set-state' interface provided by clockevents core, the earlier 'set-mode' interface is marked obsolete now. As a default the timer was stopped when entering in the set_mode(RESUME) function, now this is done explicitly with the new API. This also enables us to implement callbacks for new states of clockevent devices, for example: ONESHOT_STOPPED. Cc: Oleksij Rempel <linux@rempel-privat.de> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- drivers/clocksource/asm9260_timer.c | 64 ++++++++++++++++++++++--------------- 1 file changed, 39 insertions(+), 25 deletions(-) diff --git a/drivers/clocksource/asm9260_timer.c b/drivers/clocksource/asm9260_timer.c index 4c2ba59897e8..217438d39eb3 100644 --- a/drivers/clocksource/asm9260_timer.c +++ b/drivers/clocksource/asm9260_timer.c @@ -120,38 +120,52 @@ static int asm9260_timer_set_next_event(unsigned long delta, return 0; } -static void asm9260_timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) +static inline void __asm9260_timer_shutdown(struct clock_event_device *evt) { /* stop timer0 */ writel_relaxed(BM_C0_EN, priv.base + HW_TCR + CLR_REG); +} + +static int asm9260_timer_shutdown(struct clock_event_device *evt) +{ + __asm9260_timer_shutdown(evt); + return 0; +} + +static int asm9260_timer_set_oneshot(struct clock_event_device *evt) +{ + __asm9260_timer_shutdown(evt); + + /* enable reset and stop on match */ + writel_relaxed(BM_MCR_RES_EN(0) | BM_MCR_STOP_EN(0), + priv.base + HW_MCR + SET_REG); + return 0; +} + +static int asm9260_timer_set_periodic(struct clock_event_device *evt) +{ + __asm9260_timer_shutdown(evt); - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - /* disable reset and stop on match */ - writel_relaxed(BM_MCR_RES_EN(0) | BM_MCR_STOP_EN(0), - priv.base + HW_MCR + CLR_REG); - /* configure match count for TC0 */ - writel_relaxed(priv.ticks_per_jiffy, priv.base + HW_MR0); - /* enable TC0 */ - writel_relaxed(BM_C0_EN, priv.base + HW_TCR + SET_REG); - break; - case CLOCK_EVT_MODE_ONESHOT: - /* enable reset and stop on match */ - writel_relaxed(BM_MCR_RES_EN(0) | BM_MCR_STOP_EN(0), - priv.base + HW_MCR + SET_REG); - break; - default: - break; - } + /* disable reset and stop on match */ + writel_relaxed(BM_MCR_RES_EN(0) | BM_MCR_STOP_EN(0), + priv.base + HW_MCR + CLR_REG); + /* configure match count for TC0 */ + writel_relaxed(priv.ticks_per_jiffy, priv.base + HW_MR0); + /* enable TC0 */ + writel_relaxed(BM_C0_EN, priv.base + HW_TCR + SET_REG); + return 0; } static struct clock_event_device event_dev = { - .name = DRIVER_NAME, - .rating = 200, - .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, - .set_next_event = asm9260_timer_set_next_event, - .set_mode = asm9260_timer_set_mode, + .name = DRIVER_NAME, + .rating = 200, + .features = CLOCK_EVT_FEAT_PERIODIC | + CLOCK_EVT_FEAT_ONESHOT, + .set_next_event = asm9260_timer_set_next_event, + .set_state_shutdown = asm9260_timer_shutdown, + .set_state_periodic = asm9260_timer_set_periodic, + .set_state_oneshot = asm9260_timer_set_oneshot, + .tick_resume = asm9260_timer_shutdown, }; static irqreturn_t asm9260_timer_interrupt(int irq, void *dev_id)
next prev parent reply other threads:[~2015-06-30 9:01 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 [this message] 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 ` [PATCH 31/41] clocksource: atmel-st: " Viresh Kumar 2015-06-18 10:54 ` 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
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20150630090048.GA4626@linux \ --to=viresh.kumar@linaro.org \ --cc=daniel.lezcano@linaro.org \ --cc=linaro-kernel@lists.linaro.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux@rempel-privat.de \ --cc=tglx@linutronix.de \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.