clocksource/drivers: Unify the names to timer-* format

In order to make some housekeeping in the directory, this patch renames
drivers to the timer-* format in order to unify their names.

There is no functional changes.

Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Vladimir Zapolskiy <vz@mleia.com>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

1 files changed, 0 insertions, 204 deletions

diff --git a/drivers/clocksource/vf_pit_timer.c b/drivers/clocksource/vf_pit_timer.c
deleted file mode 100644
index 0f92089ec08c..000000000000
--- a/drivers/clocksource/vf_pit_timer.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Copyright 2012-2013 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- */
-
-#include <linux/interrupt.h>
-#include <linux/clockchips.h>
-#include <linux/clk.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/sched_clock.h>
-
-/*
- * Each pit takes 0x10 Bytes register space
- */
-#define PITMCR		0x00
-#define PIT0_OFFSET	0x100
-#define PITn_OFFSET(n)	(PIT0_OFFSET + 0x10 * (n))
-#define PITLDVAL	0x00
-#define PITCVAL		0x04
-#define PITTCTRL	0x08
-#define PITTFLG		0x0c
-
-#define PITMCR_MDIS	(0x1 << 1)
-
-#define PITTCTRL_TEN	(0x1 << 0)
-#define PITTCTRL_TIE	(0x1 << 1)
-#define PITCTRL_CHN	(0x1 << 2)
-
-#define PITTFLG_TIF	0x1
-
-static void __iomem *clksrc_base;
-static void __iomem *clkevt_base;
-static unsigned long cycle_per_jiffy;
-
-static inline void pit_timer_enable(void)
-{
-	__raw_writel(PITTCTRL_TEN | PITTCTRL_TIE, clkevt_base + PITTCTRL);
-}
-
-static inline void pit_timer_disable(void)
-{
-	__raw_writel(0, clkevt_base + PITTCTRL);
-}
-
-static inline void pit_irq_acknowledge(void)
-{
-	__raw_writel(PITTFLG_TIF, clkevt_base + PITTFLG);
-}
-
-static u64 notrace pit_read_sched_clock(void)
-{
-	return ~__raw_readl(clksrc_base + PITCVAL);
-}
-
-static int __init pit_clocksource_init(unsigned long rate)
-{
-	/* set the max load value and start the clock source counter */
-	__raw_writel(0, clksrc_base + PITTCTRL);
-	__raw_writel(~0UL, clksrc_base + PITLDVAL);
-	__raw_writel(PITTCTRL_TEN, clksrc_base + PITTCTRL);
-
-	sched_clock_register(pit_read_sched_clock, 32, rate);
-	return clocksource_mmio_init(clksrc_base + PITCVAL, "vf-pit", rate,
-			300, 32, clocksource_mmio_readl_down);
-}
-
-static int pit_set_next_event(unsigned long delta,
-				struct clock_event_device *unused)
-{
-	/*
-	 * set a new value to PITLDVAL register will not restart the timer,
-	 * to abort the current cycle and start a timer period with the new
-	 * value, the timer must be disabled and enabled again.
-	 * and the PITLAVAL should be set to delta minus one according to pit
-	 * hardware requirement.
-	 */
-	pit_timer_disable();
-	__raw_writel(delta - 1, clkevt_base + PITLDVAL);
-	pit_timer_enable();
-
-	return 0;
-}
-
-static int pit_shutdown(struct clock_event_device *evt)
-{
-	pit_timer_disable();
-	return 0;
-}
-
-static int pit_set_periodic(struct clock_event_device *evt)
-{
-	pit_set_next_event(cycle_per_jiffy, evt);
-	return 0;
-}
-
-static irqreturn_t pit_timer_interrupt(int irq, void *dev_id)
-{
-	struct clock_event_device *evt = dev_id;
-
-	pit_irq_acknowledge();
-
-	/*
-	 * pit hardware doesn't support oneshot, it will generate an interrupt
-	 * and reload the counter value from PITLDVAL when PITCVAL reach zero,
-	 * and start the counter again. So software need to disable the timer
-	 * to stop the counter loop in ONESHOT mode.
-	 */
-	if (likely(clockevent_state_oneshot(evt)))
-		pit_timer_disable();
-
-	evt->event_handler(evt);
-
-	return IRQ_HANDLED;
-}
-
-static struct clock_event_device clockevent_pit = {
-	.name		= "VF pit timer",
-	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
-	.set_state_shutdown = pit_shutdown,
-	.set_state_periodic = pit_set_periodic,
-	.set_next_event	= pit_set_next_event,
-	.rating		= 300,
-};
-
-static struct irqaction pit_timer_irq = {
-	.name		= "VF pit timer",
-	.flags		= IRQF_TIMER | IRQF_IRQPOLL,
-	.handler	= pit_timer_interrupt,
-	.dev_id		= &clockevent_pit,
-};
-
-static int __init pit_clockevent_init(unsigned long rate, int irq)
-{
-	__raw_writel(0, clkevt_base + PITTCTRL);
-	__raw_writel(PITTFLG_TIF, clkevt_base + PITTFLG);
-
-	BUG_ON(setup_irq(irq, &pit_timer_irq));
-
-	clockevent_pit.cpumask = cpumask_of(0);
-	clockevent_pit.irq = irq;
-	/*
-	 * The value for the LDVAL register trigger is calculated as:
-	 * LDVAL trigger = (period / clock period) - 1
-	 * The pit is a 32-bit down count timer, when the conter value
-	 * reaches 0, it will generate an interrupt, thus the minimal
-	 * LDVAL trigger value is 1. And then the min_delta is
-	 * minimal LDVAL trigger value + 1, and the max_delta is full 32-bit.
-	 */
-	clockevents_config_and_register(&clockevent_pit, rate, 2, 0xffffffff);
-
-	return 0;
-}
-
-static int __init pit_timer_init(struct device_node *np)
-{
-	struct clk *pit_clk;
-	void __iomem *timer_base;
-	unsigned long clk_rate;
-	int irq, ret;
-
-	timer_base = of_iomap(np, 0);
-	if (!timer_base) {
-		pr_err("Failed to iomap\n");
-		return -ENXIO;
-	}
-
-	/*
-	 * PIT0 and PIT1 can be chained to build a 64-bit timer,
-	 * so choose PIT2 as clocksource, PIT3 as clockevent device,
-	 * and leave PIT0 and PIT1 unused for anyone else who needs them.
-	 */
-	clksrc_base = timer_base + PITn_OFFSET(2);
-	clkevt_base = timer_base + PITn_OFFSET(3);
-
-	irq = irq_of_parse_and_map(np, 0);
-	if (irq <= 0)
-		return -EINVAL;
-
-	pit_clk = of_clk_get(np, 0);
-	if (IS_ERR(pit_clk))
-		return PTR_ERR(pit_clk);
-
-	ret = clk_prepare_enable(pit_clk);
-	if (ret)
-		return ret;
-
-	clk_rate = clk_get_rate(pit_clk);
-	cycle_per_jiffy = clk_rate / (HZ);
-
-	/* enable the pit module */
-	__raw_writel(~PITMCR_MDIS, timer_base + PITMCR);
-
-	ret = pit_clocksource_init(clk_rate);
-	if (ret)
-		return ret;
-
-	return pit_clockevent_init(clk_rate, irq);
-}
-TIMER_OF_DECLARE(vf610, "fsl,vf610-pit", pit_timer_init);