From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754923AbcK2QQZ (ORCPT ); Tue, 29 Nov 2016 11:16:25 -0500 Received: from mail-lf0-f68.google.com ([209.85.215.68]:34312 "EHLO mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754531AbcK2QP1 (ORCPT ); Tue, 29 Nov 2016 11:15:27 -0500 From: Alexander Kochetkov To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Cc: Thomas Gleixner , Heiko Stuebner , Mark Rutland , Rob Herring , Russell King , Caesar Wang , Huang Tao , Daniel Lezcano , Alexander Kochetkov Subject: [PATCH v4 7/9] clocksource/drivers/rockchip_timer: low level routines take rk_timer as parameter Date: Tue, 29 Nov 2016 19:14:50 +0300 Message-Id: <1480436092-10728-8-git-send-email-al.kochet@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1480436092-10728-1-git-send-email-al.kochet@gmail.com> References: <1480343486-25539-1-git-send-email-al.kochet@gmail.com> <1480436092-10728-1-git-send-email-al.kochet@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Pass rk_timer instead of clock_event_device to low lever timer routines. So that code could be reused by clocksource implementation. Drop rk_base() and rk_ctrl(). This is refactoring step without functional changes. Signed-off-by: Alexander Kochetkov --- drivers/clocksource/rockchip_timer.c | 57 ++++++++++++++++------------------ 1 file changed, 27 insertions(+), 30 deletions(-) diff --git a/drivers/clocksource/rockchip_timer.c b/drivers/clocksource/rockchip_timer.c index 6d68d4c..a17dc61 100644 --- a/drivers/clocksource/rockchip_timer.c +++ b/drivers/clocksource/rockchip_timer.c @@ -53,70 +53,67 @@ static inline struct rk_timer *rk_timer(struct clock_event_device *ce) return &rk_clock_event_device(ce)->timer; } -static inline void __iomem *rk_base(struct clock_event_device *ce) +static inline void rk_timer_disable(struct rk_timer *timer) { - return rk_timer(ce)->base; + writel_relaxed(TIMER_DISABLE, timer->ctrl); } -static inline void __iomem *rk_ctrl(struct clock_event_device *ce) -{ - return rk_timer(ce)->ctrl; -} - -static inline void rk_timer_disable(struct clock_event_device *ce) -{ - writel_relaxed(TIMER_DISABLE, rk_ctrl(ce)); -} - -static inline void rk_timer_enable(struct clock_event_device *ce, u32 flags) +static inline void rk_timer_enable(struct rk_timer *timer, u32 flags) { writel_relaxed(TIMER_ENABLE | TIMER_INT_UNMASK | flags, - rk_ctrl(ce)); + timer->ctrl); } static void rk_timer_update_counter(unsigned long cycles, - struct clock_event_device *ce) + struct rk_timer *timer) { - writel_relaxed(cycles, rk_base(ce) + TIMER_LOAD_COUNT0); - writel_relaxed(0, rk_base(ce) + TIMER_LOAD_COUNT1); + writel_relaxed(cycles, timer->base + TIMER_LOAD_COUNT0); + writel_relaxed(0, timer->base + TIMER_LOAD_COUNT1); } -static void rk_timer_interrupt_clear(struct clock_event_device *ce) +static void rk_timer_interrupt_clear(struct rk_timer *timer) { - writel_relaxed(1, rk_base(ce) + TIMER_INT_STATUS); + writel_relaxed(1, timer->base + TIMER_INT_STATUS); } static inline int rk_timer_set_next_event(unsigned long cycles, struct clock_event_device *ce) { - rk_timer_disable(ce); - rk_timer_update_counter(cycles, ce); - rk_timer_enable(ce, TIMER_MODE_USER_DEFINED_COUNT); + struct rk_timer *timer = rk_timer(ce); + + rk_timer_disable(timer); + rk_timer_update_counter(cycles, timer); + rk_timer_enable(timer, TIMER_MODE_USER_DEFINED_COUNT); return 0; } static int rk_timer_shutdown(struct clock_event_device *ce) { - rk_timer_disable(ce); + struct rk_timer *timer = rk_timer(ce); + + rk_timer_disable(timer); return 0; } static int rk_timer_set_periodic(struct clock_event_device *ce) { - rk_timer_disable(ce); - rk_timer_update_counter(rk_timer(ce)->freq / HZ - 1, ce); - rk_timer_enable(ce, TIMER_MODE_FREE_RUNNING); + struct rk_timer *timer = rk_timer(ce); + + rk_timer_disable(timer); + rk_timer_update_counter(timer->freq / HZ - 1, timer); + rk_timer_enable(timer, TIMER_MODE_FREE_RUNNING); return 0; } static irqreturn_t rk_timer_interrupt(int irq, void *dev_id) { struct clock_event_device *ce = dev_id; + struct rk_timer *timer = rk_timer(ce); - rk_timer_interrupt_clear(ce); + rk_timer_interrupt_clear(timer); if (clockevent_state_oneshot(ce)) - rk_timer_disable(ce); + rk_timer_disable(timer); ce->event_handler(ce); @@ -183,8 +180,8 @@ static int __init rk_timer_init(struct device_node *np, u32 ctrl_reg) ce->cpumask = cpu_possible_mask; ce->rating = 250; - rk_timer_interrupt_clear(ce); - rk_timer_disable(ce); + rk_timer_interrupt_clear(timer); + rk_timer_disable(timer); ret = request_irq(irq, rk_timer_interrupt, IRQF_TIMER, TIMER_NAME, ce); if (ret) { -- 1.7.9.5