diff options
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r-- | drivers/cpufreq/omap-cpufreq.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c index 65f8e9a54975..1f3417a8322d 100644 --- a/drivers/cpufreq/omap-cpufreq.c +++ b/drivers/cpufreq/omap-cpufreq.c @@ -30,20 +30,12 @@ #include <asm/smp_plat.h> #include <asm/cpu.h> -#include <plat/clock.h> -#include <plat/omap-pm.h> -#include <plat/common.h> -#include <plat/omap_device.h> - -#include <mach/hardware.h> - /* OPP tolerance in percentage */ #define OPP_TOLERANCE 4 static struct cpufreq_frequency_table *freq_table; static atomic_t freq_table_users = ATOMIC_INIT(0); static struct clk *mpu_clk; -static char *mpu_clk_name; static struct device *mpu_dev; static struct regulator *mpu_reg; @@ -108,6 +100,14 @@ static int omap_target(struct cpufreq_policy *policy, } freq = freqs.new * 1000; + ret = clk_round_rate(mpu_clk, freq); + if (IS_ERR_VALUE(ret)) { + dev_warn(mpu_dev, + "CPUfreq: Cannot find matching frequency for %lu\n", + freq); + return ret; + } + freq = ret; if (mpu_reg) { opp = opp_find_freq_ceil(mpu_dev, &freq); @@ -172,7 +172,7 @@ static int __cpuinit omap_cpu_init(struct cpufreq_policy *policy) { int result = 0; - mpu_clk = clk_get(NULL, mpu_clk_name); + mpu_clk = clk_get(NULL, "cpufreq_ck"); if (IS_ERR(mpu_clk)) return PTR_ERR(mpu_clk); @@ -253,22 +253,10 @@ static struct cpufreq_driver omap_driver = { static int __init omap_cpufreq_init(void) { - if (cpu_is_omap24xx()) - mpu_clk_name = "virt_prcm_set"; - else if (cpu_is_omap34xx()) - mpu_clk_name = "dpll1_ck"; - else if (cpu_is_omap44xx()) - mpu_clk_name = "dpll_mpu_ck"; - - if (!mpu_clk_name) { - pr_err("%s: unsupported Silicon?\n", __func__); - return -EINVAL; - } - - mpu_dev = omap_device_get_by_hwmod_name("mpu"); - if (IS_ERR(mpu_dev)) { + mpu_dev = get_cpu_device(0); + if (!mpu_dev) { pr_warning("%s: unable to get the mpu device\n", __func__); - return PTR_ERR(mpu_dev); + return -EINVAL; } mpu_reg = regulator_get(mpu_dev, "vcc"); |