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| author | Avik Sil <avik.sil@linaro.org> | 2011-03-31 17:12:38 +0530 |
|---|---|---|
| committer | Avik Sil <avik.sil@linaro.org> | 2011-03-31 17:12:38 +0530 |
| commit | f6950887f5a6ea73b9037cdd8346deb7fdfe6ae2 (patch) | |
| tree | 14d7d781561a4328152bff5587b711b5231d7e8b /arch/arm | |
| parent | ebb688e3183bd5891312bdb8f4e2f520d70b36b6 (diff) | |
lttng: fix cpu_hz initialization issue for omap4
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/opp4xxx_data.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/opp4xxx_data.c b/arch/arm/mach-omap2/opp4xxx_data.c index 2293ba27101..895f4d0f720 100644 --- a/arch/arm/mach-omap2/opp4xxx_data.c +++ b/arch/arm/mach-omap2/opp4xxx_data.c @@ -19,8 +19,11 @@ * GNU General Public License for more details. */ #include <linux/module.h> +#include <linux/opp.h> #include <plat/cpu.h> +#include <plat/common.h> +#include <asm/trace-clock.h> #include "control.h" #include "omap_opp_data.h" @@ -93,6 +96,7 @@ static struct omap_opp_def __initdata omap44xx_opp_def_list[] = { int __init omap4_opp_init(void) { int r = -ENODEV; + struct device *dev; if (!cpu_is_omap44xx()) return r; @@ -100,6 +104,13 @@ int __init omap4_opp_init(void) r = omap_init_opp_table(omap44xx_opp_def_list, ARRAY_SIZE(omap44xx_opp_def_list)); + dev = omap2_get_mpuss_device(); + cpu_hz = ULONG_MAX; + if (IS_ERR(opp_find_freq_floor(dev,&cpu_hz))) { + dev_err(dev, "%s: Unable to find highest opp\n", __func__); + return -ENODEV; + } + return r; } device_initcall(omap4_opp_init); |