diff options
| author | Jingchang Lu <jingchang.lu@freescale.com> | 2014-11-26 09:07:11 (GMT) |
|---|---|---|
| committer | Zhengxiong Jin <Jason.Jin@freescale.com> | 2015-02-10 09:53:36 (GMT) |
| commit | 15aff457277efdc8cc7d7cb51f20be8ac3c9d750 (patch) | |
| tree | 11b3f51f8a05d5ad5893b21196e1f80400a2060e /arch/arm | |
| parent | 788557379b854cfbd0a81c2b10d6ca1095757aaa (diff) | |
| download | linux-fsl-qoriq-15aff457277efdc8cc7d7cb51f20be8ac3c9d750.tar.xz | |
arm: ls1021a: utilizing hrtimer based broadcast
This add utilization on hrtimer based broadcast instead the
periodic tick broadcast to provide high resolution clock
in SMP.
Signed-off-by: Jingchang Lu <jingchang.lu@freescale.com>
Change-Id: I391bf06fa4b238ab49bced26e3be8c2b6c677c32
Reviewed-on: http://git.am.freescale.net:8181/30436
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Yangbo Lu <yangbo.lu@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-imx/mach-ls1021a.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-ls1021a.c b/arch/arm/mach-imx/mach-ls1021a.c index 3895ffc..3692dd0 100644 --- a/arch/arm/mach-imx/mach-ls1021a.c +++ b/arch/arm/mach-imx/mach-ls1021a.c @@ -7,6 +7,9 @@ * (at your option) any later version. */ +#include <linux/clk-provider.h> +#include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/of_platform.h> #include <asm/mach/arch.h> @@ -18,6 +21,13 @@ static void __init ls1021a_init_machine(void) of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } +static void __init ls1021a_init_time(void) +{ + of_clk_init(NULL); + clocksource_of_init(); + tick_setup_hrtimer_broadcast(); +} + static const char *ls1021a_dt_compat[] __initdata = { "fsl,ls1021a", NULL, @@ -25,6 +35,7 @@ static const char *ls1021a_dt_compat[] __initdata = { DT_MACHINE_START(LS1021A, "Freescale LS1021A") .smp = smp_ops(ls1021a_smp_ops), + .init_time = ls1021a_init_time, .init_machine = ls1021a_init_machine, .dt_compat = ls1021a_dt_compat, .restart = mxc_restart, |