From patchwork Fri Jun 30 20:01:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?TcOlbnMgUnVsbGfDpXJk?= X-Patchwork-Id: 13298693 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C5341EB64DC for ; Fri, 30 Jun 2023 20:18:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=N9ZmyXp5sjy1hJNV+SnRRJOro+4OepC+qOJ7oEqZ1h4=; b=QEAMUs28BMzyZU NBTKgrj3Xt7D/RHJdyBmSNP9Ht5qng+cF9D89cTYy0yvpfDDcqHwUVVyhUJCwR5RCHo+/GX94Ealr gZMmv2nago0wBkTXiWt+fUhe4uS3WKcAG2jIRp9lP32UscwCjR0OBA1diGJJWouQ8lXtNX5e5MUwG QYs3lLwQ2LA/ZtstXG40qeY/9tt6XfwtH3QzCCLCjBNLhenWSVZc2Am5RPe4rFLaYP71X07CTm+DZ +Fb7PdZSZLXUI68gLe2j9W9aUWhIhOqbfEG3TOS7VrNpbz6j64FNo9WNFtYsFtiTLKr0A6HgKanAf 70Pp91bOE9Zr3y+X0OIQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qFKZH-004TZy-1O; Fri, 30 Jun 2023 20:18:11 +0000 Received: from unicorn.mansr.com ([2001:8b0:ca0d:1::2]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qFKZE-004TYG-1n for linux-arm-kernel@lists.infradead.org; Fri, 30 Jun 2023 20:18:10 +0000 Received: from raven.mansr.com (raven.mansr.com [IPv6:2001:8b0:ca0d:1::3]) by unicorn.mansr.com (Postfix) with ESMTPS id 61C4715362; Fri, 30 Jun 2023 21:18:03 +0100 (BST) Received: by raven.mansr.com (Postfix, from userid 51770) id 4E3CC21A9CD; Fri, 30 Jun 2023 21:18:03 +0100 (BST) From: Mans Rullgard To: Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Maxime Ripard Cc: Daniel Lezcano , Thomas Gleixner , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Subject: [PATCH 2/3] clocksource: sun5i: remove pointless struct Date: Fri, 30 Jun 2023 21:01:27 +0100 Message-ID: <20230630201800.16501-3-mans@mansr.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230630201800.16501-1-mans@mansr.com> References: <20230630201800.16501-1-mans@mansr.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230630_131808_746801_121D4772 X-CRM114-Status: GOOD ( 15.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Remove the pointless struct added in the previous patch to make the diff smaller. Signed-off-by: Mans Rullgard Acked-by: Jernej Skrabec --- drivers/clocksource/timer-sun5i.c | 49 ++++++++++++++----------------- 1 file changed, 22 insertions(+), 27 deletions(-) diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c index e0ca97cf80cb..3ca427e54daf 100644 --- a/drivers/clocksource/timer-sun5i.c +++ b/drivers/clocksource/timer-sun5i.c @@ -35,22 +35,17 @@ #define TIMER_SYNC_TICKS 3 -/* Pointless struct to minimise diff */ -struct _sun5i_timer { +struct sun5i_timer { void __iomem *base; struct clk *clk; struct notifier_block clk_rate_cb; u32 ticks_per_jiffy; -}; - -struct sun5i_timer { - struct _sun5i_timer timer; struct clocksource clksrc; struct clock_event_device clkevt; }; #define nb_to_sun5i_timer(x) \ - container_of(x, struct sun5i_timer, timer.clk_rate_cb) + container_of(x, struct sun5i_timer, clk_rate_cb) #define clksrc_to_sun5i_timer(x) \ container_of(x, struct sun5i_timer, clksrc) #define clkevt_to_sun5i_timer(x) \ @@ -64,28 +59,28 @@ struct sun5i_timer { */ static void sun5i_clkevt_sync(struct sun5i_timer *ce) { - u32 old = readl(ce->timer.base + TIMER_CNTVAL_LO_REG(1)); + u32 old = readl(ce->base + TIMER_CNTVAL_LO_REG(1)); - while ((old - readl(ce->timer.base + TIMER_CNTVAL_LO_REG(1))) < TIMER_SYNC_TICKS) + while ((old - readl(ce->base + TIMER_CNTVAL_LO_REG(1))) < TIMER_SYNC_TICKS) cpu_relax(); } static void sun5i_clkevt_time_stop(struct sun5i_timer *ce, u8 timer) { - u32 val = readl(ce->timer.base + TIMER_CTL_REG(timer)); - writel(val & ~TIMER_CTL_ENABLE, ce->timer.base + TIMER_CTL_REG(timer)); + u32 val = readl(ce->base + TIMER_CTL_REG(timer)); + writel(val & ~TIMER_CTL_ENABLE, ce->base + TIMER_CTL_REG(timer)); sun5i_clkevt_sync(ce); } static void sun5i_clkevt_time_setup(struct sun5i_timer *ce, u8 timer, u32 delay) { - writel(delay, ce->timer.base + TIMER_INTVAL_LO_REG(timer)); + writel(delay, ce->base + TIMER_INTVAL_LO_REG(timer)); } static void sun5i_clkevt_time_start(struct sun5i_timer *ce, u8 timer, bool periodic) { - u32 val = readl(ce->timer.base + TIMER_CTL_REG(timer)); + u32 val = readl(ce->base + TIMER_CTL_REG(timer)); if (periodic) val &= ~TIMER_CTL_ONESHOT; @@ -93,7 +88,7 @@ static void sun5i_clkevt_time_start(struct sun5i_timer *ce, u8 timer, bool perio val |= TIMER_CTL_ONESHOT; writel(val | TIMER_CTL_ENABLE | TIMER_CTL_RELOAD, - ce->timer.base + TIMER_CTL_REG(timer)); + ce->base + TIMER_CTL_REG(timer)); } static int sun5i_clkevt_shutdown(struct clock_event_device *clkevt) @@ -118,7 +113,7 @@ static int sun5i_clkevt_set_periodic(struct clock_event_device *clkevt) struct sun5i_timer *ce = clkevt_to_sun5i_timer(clkevt); sun5i_clkevt_time_stop(ce, 0); - sun5i_clkevt_time_setup(ce, 0, ce->timer.ticks_per_jiffy); + sun5i_clkevt_time_setup(ce, 0, ce->ticks_per_jiffy); sun5i_clkevt_time_start(ce, 0, true); return 0; } @@ -139,7 +134,7 @@ static irqreturn_t sun5i_timer_interrupt(int irq, void *dev_id) { struct sun5i_timer *ce = dev_id; - writel(0x1, ce->timer.base + TIMER_IRQ_ST_REG); + writel(0x1, ce->base + TIMER_IRQ_ST_REG); ce->clkevt.event_handler(&ce->clkevt); return IRQ_HANDLED; @@ -149,7 +144,7 @@ static u64 sun5i_clksrc_read(struct clocksource *clksrc) { struct sun5i_timer *cs = clksrc_to_sun5i_timer(clksrc); - return ~readl(cs->timer.base + TIMER_CNTVAL_LO_REG(1)); + return ~readl(cs->base + TIMER_CNTVAL_LO_REG(1)); } static int sun5i_rate_cb(struct notifier_block *nb, @@ -166,7 +161,7 @@ static int sun5i_rate_cb(struct notifier_block *nb, case POST_RATE_CHANGE: clocksource_register_hz(&cs->clksrc, ndata->new_rate); clockevents_update_freq(&cs->clkevt, ndata->new_rate); - cs->timer.ticks_per_jiffy = DIV_ROUND_UP(ndata->new_rate, HZ); + cs->ticks_per_jiffy = DIV_ROUND_UP(ndata->new_rate, HZ); break; default: @@ -180,7 +175,7 @@ static int __init sun5i_setup_clocksource(struct device_node *node, struct sun5i_timer *cs, unsigned long rate) { - void __iomem *base = cs->timer.base; + void __iomem *base = cs->base; int ret; writel(~0, base + TIMER_INTVAL_LO_REG(1)); @@ -206,7 +201,7 @@ static int __init sun5i_setup_clockevent(struct device_node *node, struct sun5i_timer *ce, unsigned long rate, int irq) { - void __iomem *base = ce->timer.base; + void __iomem *base = ce->base; int ret; u32 val; @@ -282,13 +277,13 @@ static int __init sun5i_timer_init(struct device_node *node) goto err_disable_clk; } - st->timer.base = timer_base; - st->timer.ticks_per_jiffy = DIV_ROUND_UP(rate, HZ); - st->timer.clk = clk; - st->timer.clk_rate_cb.notifier_call = sun5i_rate_cb; - st->timer.clk_rate_cb.next = NULL; + st->base = timer_base; + st->ticks_per_jiffy = DIV_ROUND_UP(rate, HZ); + st->clk = clk; + st->clk_rate_cb.notifier_call = sun5i_rate_cb; + st->clk_rate_cb.next = NULL; - ret = clk_notifier_register(clk, &st->timer.clk_rate_cb); + ret = clk_notifier_register(clk, &st->clk_rate_cb); if (ret) { pr_err("Unable to register clock notifier.\n"); goto err_disable_clk; @@ -305,7 +300,7 @@ static int __init sun5i_timer_init(struct device_node *node) return sun5i_setup_clockevent(node, st, rate, irq); err_remove_notifier: - clk_notifier_unregister(clk, &st->timer.clk_rate_cb); + clk_notifier_unregister(clk, &st->clk_rate_cb); err_disable_clk: clk_disable_unprepare(clk); err_free: