diff options
| author | Zhiwu Song <Zhiwu.Song@csr.com> | 2014-05-05 19:30:04 +0800 |
|---|---|---|
| committer | Barry Song <Baohua.Song@csr.com> | 2014-05-12 21:43:49 +0800 |
| commit | c7cff54d5926e3f419c23eff2ebaf6f5e12da05d (patch) | |
| tree | f5070d37732decf324f11f426f4c2c4c87239066 | |
| parent | 7caf6852018a7550a2451972522688caef350549 (diff) | |
clocksource:sirf: remove the hardcode for the clk of timers
Nobody want to know the connection between io clk and timer clk,
so exposing this information to timer module is not reasonable.
this patch moves to define the timers' clk in dt.
Signed-off-by: Zhiwu Song <Zhiwu.Song@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
| -rw-r--r-- | arch/arm/boot/dts/atlas6.dtsi | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/prima2.dtsi | 1 | ||||
| -rw-r--r-- | drivers/clocksource/timer-marco.c | 8 | ||||
| -rw-r--r-- | drivers/clocksource/timer-prima2.c | 5 |
4 files changed, 6 insertions, 9 deletions
diff --git a/arch/arm/boot/dts/atlas6.dtsi b/arch/arm/boot/dts/atlas6.dtsi index 9d72674049d6..317bc590a4d0 100644 --- a/arch/arm/boot/dts/atlas6.dtsi +++ b/arch/arm/boot/dts/atlas6.dtsi @@ -195,6 +195,7 @@ compatible = "sirf,prima2-tick"; reg = <0xb0020000 0x1000>; interrupts = <0>; + clocks = <&clks 11>; }; nand@b0030000 { diff --git a/arch/arm/boot/dts/prima2.dtsi b/arch/arm/boot/dts/prima2.dtsi index 1e82571d6823..7e7d8843abaf 100644 --- a/arch/arm/boot/dts/prima2.dtsi +++ b/arch/arm/boot/dts/prima2.dtsi @@ -201,6 +201,7 @@ compatible = "sirf,prima2-tick"; reg = <0xb0020000 0x1000>; interrupts = <0>; + clocks = <&clks 11>; }; nand@b0030000 { diff --git a/drivers/clocksource/timer-marco.c b/drivers/clocksource/timer-marco.c index b52e1c078b99..571d10974139 100644 --- a/drivers/clocksource/timer-marco.c +++ b/drivers/clocksource/timer-marco.c @@ -252,15 +252,13 @@ static void __init sirfsoc_clockevent_init(void) } /* initialize the kernel jiffy timer source */ -static void __init sirfsoc_marco_timer_init(void) +static void __init sirfsoc_marco_timer_init(struct device_node *np) { unsigned long rate; u32 timer_div; struct clk *clk; - /* timer's input clock is io clock */ - clk = clk_get_sys("io", NULL); - + clk = of_clk_get(np, 0); BUG_ON(IS_ERR(clk)); rate = clk_get_rate(clk); @@ -303,6 +301,6 @@ static void __init sirfsoc_of_timer_init(struct device_node *np) if (!sirfsoc_timer1_irq.irq) panic("No irq passed for timer1 via DT\n"); - sirfsoc_marco_timer_init(); + sirfsoc_marco_timer_init(np); } CLOCKSOURCE_OF_DECLARE(sirfsoc_marco_timer, "sirf,marco-tick", sirfsoc_of_timer_init ); diff --git a/drivers/clocksource/timer-prima2.c b/drivers/clocksource/timer-prima2.c index 84fdb15eae79..a722aac7ac02 100644 --- a/drivers/clocksource/timer-prima2.c +++ b/drivers/clocksource/timer-prima2.c @@ -198,11 +198,8 @@ static void __init sirfsoc_prima2_timer_init(struct device_node *np) unsigned long rate; struct clk *clk; - /* timer's input clock is io clock */ - clk = clk_get_sys("io", NULL); - + clk = of_clk_get(np, 0); BUG_ON(IS_ERR(clk)); - rate = clk_get_rate(clk); BUG_ON(rate < PRIMA2_CLOCK_FREQ); |