From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932514AbbFRLE2 (ORCPT ); Thu, 18 Jun 2015 07:04:28 -0400 Received: from mail-pa0-f41.google.com ([209.85.220.41]:34795 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932332AbbFRK4F (ORCPT ); Thu, 18 Jun 2015 06:56:05 -0400 From: Viresh Kumar To: Thomas Gleixner , Daniel Lezcano Cc: linaro-kernel@lists.linaro.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Viresh Kumar , Stephen Boyd , Kumar Gala , Andy Gross , David Brown Subject: [PATCH 17/41] clocksource: qcom: Migrate to new 'set-state' interface Date: Thu, 18 Jun 2015 16:24:31 +0530 Message-Id: X-Mailer: git-send-email 2.4.0 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Migrate qcom 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. Periodic mode isn't supported by the driver and so the callback isn't provided anymore. Cc: Stephen Boyd Cc: Kumar Gala Cc: Andy Gross Cc: David Brown Signed-off-by: Viresh Kumar --- drivers/clocksource/qcom-timer.c | 24 +++++++----------------- 1 file changed, 7 insertions(+), 17 deletions(-) diff --git a/drivers/clocksource/qcom-timer.c b/drivers/clocksource/qcom-timer.c index cba2d015564c..f8e09f923651 100644 --- a/drivers/clocksource/qcom-timer.c +++ b/drivers/clocksource/qcom-timer.c @@ -47,7 +47,7 @@ static irqreturn_t msm_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = dev_id; /* Stop the timer tick */ - if (evt->mode == CLOCK_EVT_MODE_ONESHOT) { + if (clockevent_state_oneshot(evt)) { u32 ctrl = readl_relaxed(event_base + TIMER_ENABLE); ctrl &= ~TIMER_ENABLE_EN; writel_relaxed(ctrl, event_base + TIMER_ENABLE); @@ -75,26 +75,14 @@ static int msm_timer_set_next_event(unsigned long cycles, return 0; } -static void msm_timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) +static int msm_timer_shutdown(struct clock_event_device *evt) { u32 ctrl; ctrl = readl_relaxed(event_base + TIMER_ENABLE); ctrl &= ~(TIMER_ENABLE_EN | TIMER_ENABLE_CLR_ON_MATCH_EN); - - switch (mode) { - case CLOCK_EVT_MODE_RESUME: - case CLOCK_EVT_MODE_PERIODIC: - break; - case CLOCK_EVT_MODE_ONESHOT: - /* Timer is enabled in set_next_event */ - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - break; - } writel_relaxed(ctrl, event_base + TIMER_ENABLE); + return 0; } static struct clock_event_device __percpu *msm_evt; @@ -126,7 +114,9 @@ static int msm_local_timer_setup(struct clock_event_device *evt) evt->name = "msm_timer"; evt->features = CLOCK_EVT_FEAT_ONESHOT; evt->rating = 200; - evt->set_mode = msm_timer_set_mode; + evt->set_state_shutdown = msm_timer_shutdown; + evt->set_state_oneshot = msm_timer_shutdown; + evt->tick_resume = msm_timer_shutdown; evt->set_next_event = msm_timer_set_next_event; evt->cpumask = cpumask_of(cpu); @@ -147,7 +137,7 @@ static int msm_local_timer_setup(struct clock_event_device *evt) static void msm_local_timer_stop(struct clock_event_device *evt) { - evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt); + evt->set_state_shutdown(evt); disable_percpu_irq(evt->irq); } -- 2.4.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: viresh.kumar@linaro.org (Viresh Kumar) Date: Thu, 18 Jun 2015 16:24:31 +0530 Subject: [PATCH 17/41] clocksource: qcom: Migrate to new 'set-state' interface In-Reply-To: References: Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Migrate qcom 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. Periodic mode isn't supported by the driver and so the callback isn't provided anymore. Cc: Stephen Boyd Cc: Kumar Gala Cc: Andy Gross Cc: David Brown Signed-off-by: Viresh Kumar --- drivers/clocksource/qcom-timer.c | 24 +++++++----------------- 1 file changed, 7 insertions(+), 17 deletions(-) diff --git a/drivers/clocksource/qcom-timer.c b/drivers/clocksource/qcom-timer.c index cba2d015564c..f8e09f923651 100644 --- a/drivers/clocksource/qcom-timer.c +++ b/drivers/clocksource/qcom-timer.c @@ -47,7 +47,7 @@ static irqreturn_t msm_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *evt = dev_id; /* Stop the timer tick */ - if (evt->mode == CLOCK_EVT_MODE_ONESHOT) { + if (clockevent_state_oneshot(evt)) { u32 ctrl = readl_relaxed(event_base + TIMER_ENABLE); ctrl &= ~TIMER_ENABLE_EN; writel_relaxed(ctrl, event_base + TIMER_ENABLE); @@ -75,26 +75,14 @@ static int msm_timer_set_next_event(unsigned long cycles, return 0; } -static void msm_timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) +static int msm_timer_shutdown(struct clock_event_device *evt) { u32 ctrl; ctrl = readl_relaxed(event_base + TIMER_ENABLE); ctrl &= ~(TIMER_ENABLE_EN | TIMER_ENABLE_CLR_ON_MATCH_EN); - - switch (mode) { - case CLOCK_EVT_MODE_RESUME: - case CLOCK_EVT_MODE_PERIODIC: - break; - case CLOCK_EVT_MODE_ONESHOT: - /* Timer is enabled in set_next_event */ - break; - case CLOCK_EVT_MODE_UNUSED: - case CLOCK_EVT_MODE_SHUTDOWN: - break; - } writel_relaxed(ctrl, event_base + TIMER_ENABLE); + return 0; } static struct clock_event_device __percpu *msm_evt; @@ -126,7 +114,9 @@ static int msm_local_timer_setup(struct clock_event_device *evt) evt->name = "msm_timer"; evt->features = CLOCK_EVT_FEAT_ONESHOT; evt->rating = 200; - evt->set_mode = msm_timer_set_mode; + evt->set_state_shutdown = msm_timer_shutdown; + evt->set_state_oneshot = msm_timer_shutdown; + evt->tick_resume = msm_timer_shutdown; evt->set_next_event = msm_timer_set_next_event; evt->cpumask = cpumask_of(cpu); @@ -147,7 +137,7 @@ static int msm_local_timer_setup(struct clock_event_device *evt) static void msm_local_timer_stop(struct clock_event_device *evt) { - evt->set_mode(CLOCK_EVT_MODE_UNUSED, evt); + evt->set_state_shutdown(evt); disable_percpu_irq(evt->irq); } -- 2.4.0