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| author | Shawn Guo <shawn.guo@linaro.org> | 2013-03-25 07:53:08 +0100 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@linaro.org> | 2013-04-01 10:30:01 +0200 |
| commit | 633ef4c7d18982d184242d42056c622a433d93fe (patch) | |
| tree | 083c25c02198299cd32d855ffd4b35224e4f7771 /arch/arm | |
| parent | Merge remote-tracking branch 'arm-soc/clksrc/cleanup' into mxs/cleanup (diff) | |
| download | linux-633ef4c7d18982d184242d42056c622a433d93fe.tar.xz linux-633ef4c7d18982d184242d42056c622a433d93fe.zip | |
ARM: mxs: use CLKSRC_OF helper to initialize timer
Select CLKSRC_OF and use clocksource_of_init() to initialize timer, so
that the call to mxs_timer_init() in clock driver can be removed.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/common.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-mxs.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/timer.c | 10 |
4 files changed, 6 insertions, 9 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 865c25ded153..5a1f0c9e0ab0 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -473,6 +473,7 @@ config ARCH_MXS select ARCH_REQUIRE_GPIOLIB select CLKDEV_LOOKUP select CLKSRC_MMIO + select CLKSRC_OF select COMMON_CLK select GENERIC_CLOCKEVENTS select HAVE_CLK_PREPARE diff --git a/arch/arm/mach-mxs/include/mach/common.h b/arch/arm/mach-mxs/include/mach/common.h index be5a9c93cb2a..e043c4735b5a 100644 --- a/arch/arm/mach-mxs/include/mach/common.h +++ b/arch/arm/mach-mxs/include/mach/common.h @@ -13,7 +13,6 @@ extern const u32 *mxs_get_ocotp(void); extern int mxs_reset_block(void __iomem *); -extern void mxs_timer_init(void); extern void mxs_restart(char, const char *); extern int mxs_saif_clkmux_select(unsigned int clkmux); diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index e7b781d3788f..c1c0fb414c28 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -12,6 +12,7 @@ #include <linux/clk.h> #include <linux/clkdev.h> +#include <linux/clocksource.h> #include <linux/can/platform/flexcan.h> #include <linux/delay.h> #include <linux/err.h> @@ -168,11 +169,13 @@ static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = { static void __init imx23_timer_init(void) { mx23_clocks_init(); + clocksource_of_init(); } static void __init imx28_timer_init(void) { mx28_clocks_init(); + clocksource_of_init(); } enum mac_oui { diff --git a/arch/arm/mach-mxs/timer.c b/arch/arm/mach-mxs/timer.c index 421020498a1b..fe2903d7939a 100644 --- a/arch/arm/mach-mxs/timer.c +++ b/arch/arm/mach-mxs/timer.c @@ -242,18 +242,11 @@ static int __init mxs_clocksource_init(struct clk *timer_clk) return 0; } -void __init mxs_timer_init(void) +static void __init mxs_timer_init(struct device_node *np) { - struct device_node *np; struct clk *timer_clk; int irq; - np = of_find_compatible_node(NULL, NULL, "fsl,timrot"); - if (!np) { - pr_err("%s: failed find timrot node\n", __func__); - return; - } - timer_clk = clk_get_sys("timrot", NULL); if (IS_ERR(timer_clk)) { pr_err("%s: failed to get clk\n", __func__); @@ -304,3 +297,4 @@ void __init mxs_timer_init(void) irq = irq_of_parse_and_map(np, 0); setup_irq(irq, &mxs_timer_irq); } +CLOCKSOURCE_OF_DECLARE(mxs, "fsl,timrot", mxs_timer_init) |