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author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2013-03-24 00:01:48 +0100 |
---|---|---|
committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2013-04-08 21:41:54 +0200 |
commit | ea71d9a600e769ca669f4ba3e25ffdecdeede240 (patch) | |
tree | bb5bb6a4a2695a86f90d942e36e25f3cac6b6a80 | |
parent | 049817319a5cf2812ada74018ae9f5c5b739607b (diff) | |
download | op-kernel-dev-ea71d9a600e769ca669f4ba3e25ffdecdeede240.zip op-kernel-dev-ea71d9a600e769ca669f4ba3e25ffdecdeede240.tar.gz |
clocksource: sunxi: make use of CLKSRC_OF
Using CLKSRC_OF allows to remove the SoC specific sunxi_timer.h header,
and instead of using a custom init function in the machine definition
use the standard clocksource_of_init function.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
-rw-r--r-- | arch/arm/mach-sunxi/Kconfig | 1 | ||||
-rw-r--r-- | arch/arm/mach-sunxi/sunxi.c | 11 | ||||
-rw-r--r-- | drivers/clocksource/sunxi_timer.c | 18 | ||||
-rw-r--r-- | include/linux/sunxi_timer.h | 24 |
4 files changed, 13 insertions, 41 deletions
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 8709a39..06c2894 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -1,6 +1,7 @@ config ARCH_SUNXI bool "Allwinner A1X SOCs" if ARCH_MULTI_V7 select CLKSRC_MMIO + select CLKSRC_OF select COMMON_CLK select GENERIC_CLOCKEVENTS select GENERIC_IRQ_CHIP diff --git a/arch/arm/mach-sunxi/sunxi.c b/arch/arm/mach-sunxi/sunxi.c index 23afb73..b26748d 100644 --- a/arch/arm/mach-sunxi/sunxi.c +++ b/arch/arm/mach-sunxi/sunxi.c @@ -10,6 +10,7 @@ * warranty of any kind, whether express or implied. */ +#include <linux/clocksource.h> #include <linux/delay.h> #include <linux/kernel.h> #include <linux/init.h> @@ -17,8 +18,8 @@ #include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/io.h> -#include <linux/sunxi_timer.h> +#include <linux/clk/sunxi.h> #include <linux/irqchip/sunxi.h> #include <asm/mach/arch.h> @@ -81,6 +82,12 @@ void __init sunxi_map_io(void) iotable_init(sunxi_io_desc, ARRAY_SIZE(sunxi_io_desc)); } +static void __init sunxi_timer_init(void) +{ + sunxi_init_clocks(); + clocksource_of_init(); +} + static void __init sunxi_dt_init(void) { sunxi_setup_restart(); @@ -100,6 +107,6 @@ DT_MACHINE_START(SUNXI_DT, "Allwinner A1X (Device Tree)") .init_irq = sunxi_init_irq, .handle_irq = sunxi_handle_irq, .restart = sunxi_restart, - .init_time = &sunxi_timer_init, + .init_time = sunxi_timer_init, .dt_compat = sunxi_board_dt_compat, MACHINE_END diff --git a/drivers/clocksource/sunxi_timer.c b/drivers/clocksource/sunxi_timer.c index 7a3ea23..308bbe3 100644 --- a/drivers/clocksource/sunxi_timer.c +++ b/drivers/clocksource/sunxi_timer.c @@ -22,8 +22,6 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/of_irq.h> -#include <linux/sunxi_timer.h> -#include <linux/clk/sunxi.h> #define TIMER_IRQ_EN_REG 0x00 #define TIMER_IRQ_EN(val) (1 << val) @@ -98,23 +96,13 @@ static struct irqaction sunxi_timer_irq = { .dev_id = &sunxi_clockevent, }; -static struct of_device_id sunxi_timer_dt_ids[] = { - { .compatible = "allwinner,sunxi-timer" }, - { } -}; - -void __init sunxi_timer_init(void) +static void __init sunxi_timer_init(struct device_node *node) { - struct device_node *node; unsigned long rate = 0; struct clk *clk; int ret, irq; u32 val; - node = of_find_matching_node(NULL, sunxi_timer_dt_ids); - if (!node) - panic("No sunxi timer node"); - timer_base = of_iomap(node, 0); if (!timer_base) panic("Can't map registers"); @@ -123,8 +111,6 @@ void __init sunxi_timer_init(void) if (irq <= 0) panic("Can't parse IRQ"); - sunxi_init_clocks(); - clk = of_clk_get(node, 0); if (IS_ERR(clk)) panic("Can't get timer clock"); @@ -158,3 +144,5 @@ void __init sunxi_timer_init(void) clockevents_config_and_register(&sunxi_clockevent, rate / TIMER_SCAL, 0x1, 0xff); } +CLOCKSOURCE_OF_DECLARE(sunxi, "allwinner,sunxi-timer", + sunxi_timer_init); diff --git a/include/linux/sunxi_timer.h b/include/linux/sunxi_timer.h deleted file mode 100644 index 1808178..0000000 --- a/include/linux/sunxi_timer.h +++ /dev/null @@ -1,24 +0,0 @@ -/* - * Copyright 2012 Maxime Ripard - * - * Maxime Ripard <maxime.ripard@free-electrons.com> - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __SUNXI_TIMER_H -#define __SUNXI_TIMER_H - -#include <asm/mach/time.h> - -void sunxi_timer_init(void); - -#endif |