ARM/clocksource: use automatic DT probing for ux500 PRCMU

The ARM core kernel already calls clocksource_of_init() so why
go to all the trouble of locating and probing this node in the
machine. CLOCKSOURCE_OF_DECLARE() will take care of it in the
clocksource driver, and thus we can also get rid of the
dangling header file <linux/clksrc-dbx500-prcmu.h>

Suggested-by: Arnd Bergmann <arndb@linaro.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 48 deletions

diff --git a/arch/arm/mach-ux500/timer.c b/arch/arm/mach-ux500/timer.c
deleted file mode 100644
index 8d2d233f8e6c..000000000000
--- a/arch/arm/mach-ux500/timer.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) ST-Ericsson SA 2011
- *
- * License Terms: GNU General Public License v2
- * Author: Mattias Wallin <mattias.wallin@stericsson.com> for ST-Ericsson
- */
-#include <linux/io.h>
-#include <linux/errno.h>
-#include <linux/clksrc-dbx500-prcmu.h>
-#include <linux/clocksource.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-
-#include "setup.h"
-
-#include "db8500-regs.h"
-#include "id.h"
-
-static const struct of_device_id prcmu_timer_of_match[] __initconst = {
-	{ .compatible = "stericsson,db8500-prcmu-timer-4", },
-	{ },
-};
-
-void __init ux500_timer_init(void)
-{
-	void __iomem *prcmu_timer_base;
-	void __iomem *tmp_base;
-	struct device_node *np;
-
-	if (cpu_is_u8500_family() || cpu_is_ux540_family())
-		prcmu_timer_base = __io_address(U8500_PRCMU_TIMER_4_BASE);
-	else
-		ux500_unknown_soc();
-
-	np = of_find_matching_node(NULL, prcmu_timer_of_match);
-	if (!np)
-		goto dt_fail;
-
-	tmp_base = of_iomap(np, 0);
-	if (!tmp_base)
-		goto dt_fail;
-
-	prcmu_timer_base = tmp_base;
-
-dt_fail:
-	clksrc_dbx500_prcmu_init(prcmu_timer_base);
-	clocksource_probe();
-}