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Commit 0881841f authored by Daniel Lezcano's avatar Daniel Lezcano
Browse files

clocksource/drivers/tango-xtal: Replace code by clocksource_mmio_init 



The current code to initialize, register and read the clocksource is
already factored out in mmio.c via the clocksource_mmio_init function.

Factor out the code with the clocksource_mmio_init function.

Signed-off-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
parent 46e7c3c6

drivers/clocksource/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -351,6 +351,7 @@ config CLKSRC_TANGO_XTAL 
	bool "Clocksource for Tango SoC" if COMPILE_TEST

	depends on ARM

	select CLKSRC_OF

	select CLKSRC_MMIO

	help

	  This enables the clocksource for Tango SoC

drivers/clocksource/tango_xtal.c

+3 −15
Original line number Diff line number Diff line
@@ -19,19 +19,6 @@ static u64 notrace read_sched_clock(void) 
	return read_xtal_counter();

}



static cycle_t read_clocksource(struct clocksource *cs)

{

	return read_xtal_counter();

}



static struct clocksource tango_xtal = {

	.name	= "tango-xtal",

	.rating	= 350,

	.read	= read_clocksource,

	.mask	= CLOCKSOURCE_MASK(32),

	.flags	= CLOCK_SOURCE_IS_CONTINUOUS,

};



static void __init tango_clocksource_init(struct device_node *np)

{

	struct clk *clk;
@@ -53,8 +40,9 @@ static void __init tango_clocksource_init(struct device_node *np) 
	delay_timer.freq = xtal_freq;

	delay_timer.read_current_timer = read_xtal_counter;



	ret = clocksource_register_hz(&tango_xtal, xtal_freq);

	if (ret != 0) {

	ret = clocksource_mmio_init(xtal_in_cnt, "tango-xtal", xtal_freq, 350,

				    32, clocksource_mmio_readl_up);

	if (!ret) {

		pr_err("%s: registration failed\n", np->full_name);

		return;

	}