From patchwork Wed Jan 17 21:48:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ladislav Michl X-Patchwork-Id: 10172051 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 7C78960386 for ; Wed, 17 Jan 2018 21:48:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 67E0720072 for ; Wed, 17 Jan 2018 21:48:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5BF8E24151; Wed, 17 Jan 2018 21:48:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 69DC820072 for ; Wed, 17 Jan 2018 21:48:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LZ6y3ccguhXksf2/xHzB/KYMb8ZU0spPLoqesDi7qmE=; b=E8/r2qiknQtwh+ nSBQV5jqF4Jx79/ZB7HLlfeSOlFFynb6sAth04KBy7WvGmV0DEdPjTsTR39GUyWznVYklLOFJJR0V VSN3dvOVelZg2ggr732eLBDuGDneE7Ur0BeXaGXrPLWSYkGbiVTtj3TzoJduJywNMOkIEU4bByhzs 1fejRDdd5xmHQiXnSqKyOIEZB7Bfhb+vI/beC4PTY+M45DhW0WwWiP2UgmW+XAEt653W9sHxCh7JI WlRwaWgX3FLfGlHlRyzUJMDCjrK23+zZuhpQGQF46soQBhbh92FzISBTzwx325InZsBDZgxnsBIgL DTLFHAtNtGiBiYQBxeRg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1ebvZa-0006uA-KK; Wed, 17 Jan 2018 21:48:42 +0000 Received: from eddie.linux-mips.org ([148.251.95.138] helo=cvs.linux-mips.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1ebvZW-0006tQ-Sj for linux-arm-kernel@lists.infradead.org; Wed, 17 Jan 2018 21:48:40 +0000 Received: (from localhost user: 'ladis' uid#1021 fake: STDIN (ladis@eddie.linux-mips.org)) by eddie.linux-mips.org id S23990409AbeAQVs0zUWWq (ORCPT ); Wed, 17 Jan 2018 22:48:26 +0100 Date: Wed, 17 Jan 2018 22:48:26 +0100 From: Ladislav Michl To: linux-omap@vger.kernel.org, linux-pwm@vger.kernel.org Subject: [PATCH 3/3] clocksource: timer-dm: Make unexported functions static Message-ID: <20180117214826.GD11952@lenoch> References: <20180117214629.GA11952@lenoch> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20180117214629.GA11952@lenoch> User-Agent: Mutt/1.9.2 (2017-12-15) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: t-kristo@ti.com, grygorii.strashko@ti.com, aaro.koskinen@iki.fi, tony@atomide.com, Keerthy , daniel.lezcano@linaro.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, narmstrong@baylibre.com, thierry.reding@gmail.com, sebastian.reichel@collabora.co.uk, Claudiu.Beznea@microchip.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP As dmtimer no longer exports functions, make those previously exported static. Signed-off-by: Ladislav Michl --- Note: only those functions assigned to timer ops are made static as some others will be needed later for event capture. drivers/clocksource/timer-dm.c | 218 ++++++++++++++++++++--------------------- include/clocksource/dmtimer.h | 24 ---- 2 files changed, 109 insertions(+), 133 deletions(-) diff --git a/drivers/clocksource/timer-dm.c b/drivers/clocksource/timer-dm.c index 324ec93d3dd2..8de9e543d129 100644 --- a/drivers/clocksource/timer-dm.c +++ b/drivers/clocksource/timer-dm.c @@ -163,6 +163,92 @@ static int omap_dm_timer_of_set_source(struct omap_dm_timer *timer) return ret; } +static int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) +{ + int ret; + char *parent_name = NULL; + struct clk *parent; + struct dmtimer_platform_data *pdata; + + if (unlikely(!timer)) + return -EINVAL; + + pdata = timer->pdev->dev.platform_data; + + if (source < 0 || source >= 3) + return -EINVAL; + + /* + * FIXME: Used for OMAP1 devices only because they do not currently + * use the clock framework to set the parent clock. To be removed + * once OMAP1 migrated to using clock framework for dmtimers + */ + if (pdata && pdata->set_timer_src) + return pdata->set_timer_src(timer->pdev, source); + + if (IS_ERR(timer->fclk)) + return -EINVAL; + +#if defined(CONFIG_COMMON_CLK) + /* Check if the clock has configurable parents */ + if (clk_hw_get_num_parents(__clk_get_hw(timer->fclk)) < 2) + return 0; +#endif + + switch (source) { + case OMAP_TIMER_SRC_SYS_CLK: + parent_name = "timer_sys_ck"; + break; + + case OMAP_TIMER_SRC_32_KHZ: + parent_name = "timer_32k_ck"; + break; + + case OMAP_TIMER_SRC_EXT_CLK: + parent_name = "timer_ext_ck"; + break; + } + + parent = clk_get(&timer->pdev->dev, parent_name); + if (IS_ERR(parent)) { + pr_err("%s: %s not found\n", __func__, parent_name); + return -EINVAL; + } + + ret = clk_set_parent(timer->fclk, parent); + if (ret < 0) + pr_err("%s: failed to set %s as parent\n", __func__, + parent_name); + + clk_put(parent); + + return ret; +} + +static void omap_dm_timer_enable(struct omap_dm_timer *timer) +{ + int c; + + pm_runtime_get_sync(&timer->pdev->dev); + + if (!(timer->capability & OMAP_TIMER_ALWON)) { + if (timer->get_context_loss_count) { + c = timer->get_context_loss_count(&timer->pdev->dev); + if (c != timer->ctx_loss_count) { + omap_timer_restore_context(timer); + timer->ctx_loss_count = c; + } + } else { + omap_timer_restore_context(timer); + } + } +} + +static void omap_dm_timer_disable(struct omap_dm_timer *timer) +{ + pm_runtime_put_sync(&timer->pdev->dev); +} + static int omap_dm_timer_prepare(struct omap_dm_timer *timer) { int rc; @@ -298,16 +384,16 @@ static struct omap_dm_timer *_omap_dm_timer_request(int req_type, void *data) return timer; } -struct omap_dm_timer *omap_dm_timer_request(void) +static struct omap_dm_timer *omap_dm_timer_request(void) { return _omap_dm_timer_request(REQUEST_ANY, NULL); } -struct omap_dm_timer *omap_dm_timer_request_specific(int id) +static struct omap_dm_timer *omap_dm_timer_request_specific(int id) { /* Requesting timer by ID is not supported when device tree is used */ if (of_have_populated_dt()) { - pr_warn("%s: Please use omap_dm_timer_request_by_cap/node()\n", + pr_warn("%s: Please use omap_dm_timer_request_by_node()\n", __func__); return NULL; } @@ -336,7 +422,7 @@ struct omap_dm_timer *omap_dm_timer_request_by_cap(u32 cap) * Request a timer based upon a device node pointer. Returns pointer to * timer handle on success and a NULL pointer on failure. */ -struct omap_dm_timer *omap_dm_timer_request_by_node(struct device_node *np) +static struct omap_dm_timer *omap_dm_timer_request_by_node(struct device_node *np) { if (!np) return NULL; @@ -344,7 +430,7 @@ struct omap_dm_timer *omap_dm_timer_request_by_node(struct device_node *np) return _omap_dm_timer_request(REQUEST_BY_NODE, np); } -int omap_dm_timer_free(struct omap_dm_timer *timer) +static int omap_dm_timer_free(struct omap_dm_timer *timer) { if (unlikely(!timer)) return -EINVAL; @@ -356,30 +442,6 @@ int omap_dm_timer_free(struct omap_dm_timer *timer) return 0; } -void omap_dm_timer_enable(struct omap_dm_timer *timer) -{ - int c; - - pm_runtime_get_sync(&timer->pdev->dev); - - if (!(timer->capability & OMAP_TIMER_ALWON)) { - if (timer->get_context_loss_count) { - c = timer->get_context_loss_count(&timer->pdev->dev); - if (c != timer->ctx_loss_count) { - omap_timer_restore_context(timer); - timer->ctx_loss_count = c; - } - } else { - omap_timer_restore_context(timer); - } - } -} - -void omap_dm_timer_disable(struct omap_dm_timer *timer) -{ - pm_runtime_put_sync(&timer->pdev->dev); -} - int omap_dm_timer_get_irq(struct omap_dm_timer *timer) { if (timer) @@ -424,7 +486,7 @@ __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask) #else -struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer) +static struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer) { if (timer && !IS_ERR(timer->fclk)) return timer->fclk; @@ -451,7 +513,7 @@ int omap_dm_timer_trigger(struct omap_dm_timer *timer) return 0; } -int omap_dm_timer_start(struct omap_dm_timer *timer) +static int omap_dm_timer_start(struct omap_dm_timer *timer) { u32 l; @@ -471,7 +533,7 @@ int omap_dm_timer_start(struct omap_dm_timer *timer) return 0; } -int omap_dm_timer_stop(struct omap_dm_timer *timer) +static int omap_dm_timer_stop(struct omap_dm_timer *timer) { unsigned long rate = 0; @@ -494,70 +556,8 @@ int omap_dm_timer_stop(struct omap_dm_timer *timer) return 0; } -int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source) -{ - int ret; - char *parent_name = NULL; - struct clk *parent; - struct dmtimer_platform_data *pdata; - - if (unlikely(!timer)) - return -EINVAL; - - pdata = timer->pdev->dev.platform_data; - - if (source < 0 || source >= 3) - return -EINVAL; - - /* - * FIXME: Used for OMAP1 devices only because they do not currently - * use the clock framework to set the parent clock. To be removed - * once OMAP1 migrated to using clock framework for dmtimers - */ - if (pdata && pdata->set_timer_src) - return pdata->set_timer_src(timer->pdev, source); - - if (IS_ERR(timer->fclk)) - return -EINVAL; - -#if defined(CONFIG_COMMON_CLK) - /* Check if the clock has configurable parents */ - if (clk_hw_get_num_parents(__clk_get_hw(timer->fclk)) < 2) - return 0; -#endif - - switch (source) { - case OMAP_TIMER_SRC_SYS_CLK: - parent_name = "timer_sys_ck"; - break; - - case OMAP_TIMER_SRC_32_KHZ: - parent_name = "timer_32k_ck"; - break; - - case OMAP_TIMER_SRC_EXT_CLK: - parent_name = "timer_ext_ck"; - break; - } - - parent = clk_get(&timer->pdev->dev, parent_name); - if (IS_ERR(parent)) { - pr_err("%s: %s not found\n", __func__, parent_name); - return -EINVAL; - } - - ret = clk_set_parent(timer->fclk, parent); - if (ret < 0) - pr_err("%s: failed to set %s as parent\n", __func__, - parent_name); - - clk_put(parent); - - return ret; -} - -int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, - unsigned int load) +static int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, + unsigned int load) { u32 l; @@ -609,9 +609,8 @@ int omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, timer->context.tcrr = load; return 0; } - -int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, - unsigned int match) +static int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, + unsigned int match) { u32 l; @@ -634,8 +633,8 @@ int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, return 0; } -int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, - int toggle, int trigger) +static int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, + int toggle, int trigger) { u32 l; @@ -659,7 +658,8 @@ int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, return 0; } -int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler) +static int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, + int prescaler) { u32 l; @@ -681,8 +681,8 @@ int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler) return 0; } -int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, - unsigned int value) +static int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, + unsigned int value) { if (unlikely(!timer)) return -EINVAL; @@ -704,7 +704,7 @@ int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, * * Disables the specified timer interrupts for a timer. */ -int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask) +static int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask) { u32 l = mask; @@ -727,7 +727,7 @@ int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask) return 0; } -unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer) +static unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer) { unsigned int l; @@ -741,7 +741,7 @@ unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer) return l; } -int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value) +static int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value) { if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) return -EINVAL; @@ -751,7 +751,7 @@ int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value) return 0; } -unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer) +static unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer) { if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) { pr_err("%s: timer not iavailable or enabled.\n", __func__); @@ -761,7 +761,7 @@ unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer) return __omap_dm_timer_read_counter(timer, timer->posted); } -int omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value) +static int omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value) { if (unlikely(!timer || pm_runtime_suspended(&timer->pdev->dev))) { pr_err("%s: timer not available or enabled.\n", __func__); diff --git a/include/clocksource/dmtimer.h b/include/clocksource/dmtimer.h index 862ad62dab9d..ce596172a93a 100644 --- a/include/clocksource/dmtimer.h +++ b/include/clocksource/dmtimer.h @@ -125,37 +125,13 @@ struct omap_dm_timer { }; int omap_dm_timer_reserve_systimer(int id); -struct omap_dm_timer *omap_dm_timer_request(void); -struct omap_dm_timer *omap_dm_timer_request_specific(int timer_id); struct omap_dm_timer *omap_dm_timer_request_by_cap(u32 cap); -struct omap_dm_timer *omap_dm_timer_request_by_node(struct device_node *np); -int omap_dm_timer_free(struct omap_dm_timer *timer); -void omap_dm_timer_enable(struct omap_dm_timer *timer); -void omap_dm_timer_disable(struct omap_dm_timer *timer); int omap_dm_timer_get_irq(struct omap_dm_timer *timer); u32 omap_dm_timer_modify_idlect_mask(u32 inputmask); -struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer); int omap_dm_timer_trigger(struct omap_dm_timer *timer); -int omap_dm_timer_start(struct omap_dm_timer *timer); -int omap_dm_timer_stop(struct omap_dm_timer *timer); - -int omap_dm_timer_set_source(struct omap_dm_timer *timer, int source); -int omap_dm_timer_set_load(struct omap_dm_timer *timer, int autoreload, unsigned int value); -int omap_dm_timer_set_load_start(struct omap_dm_timer *timer, int autoreload, unsigned int value); -int omap_dm_timer_set_match(struct omap_dm_timer *timer, int enable, unsigned int match); -int omap_dm_timer_set_pwm(struct omap_dm_timer *timer, int def_on, int toggle, int trigger); -int omap_dm_timer_set_prescaler(struct omap_dm_timer *timer, int prescaler); - -int omap_dm_timer_set_int_enable(struct omap_dm_timer *timer, unsigned int value); -int omap_dm_timer_set_int_disable(struct omap_dm_timer *timer, u32 mask); - -unsigned int omap_dm_timer_read_status(struct omap_dm_timer *timer); -int omap_dm_timer_write_status(struct omap_dm_timer *timer, unsigned int value); -unsigned int omap_dm_timer_read_counter(struct omap_dm_timer *timer); -int omap_dm_timer_write_counter(struct omap_dm_timer *timer, unsigned int value); int omap_dm_timers_active(void);