Messages in this thread Patch in this message | | | From | Lukasz Luba <> | Subject | [PATCH 1/2] cpufreq: Change macro for store scaling min/max frequency | Date | Fri, 30 Sep 2022 10:48:20 +0100 |
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In order to prepare extension to the store_scaling_max_freq() remove the macro and use two normal functions. The set value for max frequency is important for the task scheduler.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> --- drivers/cpufreq/cpufreq.c | 47 ++++++++++++++++++++++----------------- 1 file changed, 27 insertions(+), 20 deletions(-)
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 69b3d61852ac..1f8b93f42c76 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -715,26 +715,33 @@ static ssize_t show_scaling_cur_freq(struct cpufreq_policy *policy, char *buf) return ret; } -/* - * cpufreq_per_cpu_attr_write() / store_##file_name() - sysfs write access - */ -#define store_one(file_name, object) \ -static ssize_t store_##file_name \ -(struct cpufreq_policy *policy, const char *buf, size_t count) \ -{ \ - unsigned long val; \ - int ret; \ - \ - ret = sscanf(buf, "%lu", &val); \ - if (ret != 1) \ - return -EINVAL; \ - \ - ret = freq_qos_update_request(policy->object##_freq_req, val);\ - return ret >= 0 ? count : ret; \ -} - -store_one(scaling_min_freq, min); -store_one(scaling_max_freq, max); +static ssize_t store_scaling_max_freq +(struct cpufreq_policy *policy, const char *buf, size_t count) +{ + unsigned long val; + int ret; + + ret = sscanf(buf, "%lu", &val); + if (ret != 1) + return -EINVAL; + + ret = freq_qos_update_request(policy->max_freq_req, val); + return ret >= 0 ? count : ret; +} + +static ssize_t store_scaling_min_freq +(struct cpufreq_policy *policy, const char *buf, size_t count) +{ + unsigned long val; + int ret; + + ret = sscanf(buf, "%lu", &val); + if (ret != 1) + return -EINVAL; + + ret = freq_qos_update_request(policy->min_freq_req, val); + return ret >= 0 ? count : ret; +} /* * show_cpuinfo_cur_freq - current CPU frequency as detected by hardware -- 2.17.1
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