| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20191018103749.11226-5-sudeep.holla@arm.com>
Date: Fri, 18 Oct 2019 11:37:48 +0100
From: Sudeep Holla <sudeep.holla@....com>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Sudeep Holla <sudeep.holla@....com>,
"Rafael J . Wysocki" <rjw@...ysocki.net>, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, nico@...xnic.net
Subject: [PATCH v3 4/5] cpufreq: vexpress-spc: remove lots of debug messages
This driver have been used and tested for year now and the extensive
debug/log messages in the driver are not really required anymore.
Get rid of those unnecessary log messages.
Acked-by: Nicolas Pitre <nico@...xnic.net>
Signed-off-by: Sudeep Holla <sudeep.holla@....com>
---
drivers/cpufreq/vexpress-spc-cpufreq.c | 69 ++++++--------------------
1 file changed, 14 insertions(+), 55 deletions(-)
diff --git a/drivers/cpufreq/vexpress-spc-cpufreq.c b/drivers/cpufreq/vexpress-spc-cpufreq.c
index 3eaeefea66b9..132610424747 100644
--- a/drivers/cpufreq/vexpress-spc-cpufreq.c
+++ b/drivers/cpufreq/vexpress-spc-cpufreq.c
@@ -84,9 +84,6 @@ static unsigned int find_cluster_maxfreq(int cluster)
max_freq = cpu_freq;
}
- pr_debug("%s: cluster: %d, max freq: %d\n", __func__, cluster,
- max_freq);
-
return max_freq;
}
@@ -99,22 +96,15 @@ static unsigned int clk_get_cpu_rate(unsigned int cpu)
if (is_bL_switching_enabled())
rate = VIRT_FREQ(cur_cluster, rate);
- pr_debug("%s: cpu: %d, cluster: %d, freq: %u\n", __func__, cpu,
- cur_cluster, rate);
-
return rate;
}
static unsigned int ve_spc_cpufreq_get_rate(unsigned int cpu)
{
- if (is_bL_switching_enabled()) {
- pr_debug("%s: freq: %d\n", __func__, per_cpu(cpu_last_req_freq,
- cpu));
-
+ if (is_bL_switching_enabled())
return per_cpu(cpu_last_req_freq, cpu);
- } else {
+ else
return clk_get_cpu_rate(cpu);
- }
}
static unsigned int
@@ -137,9 +127,6 @@ ve_spc_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate)
new_rate = rate;
}
- pr_debug("%s: cpu: %d, old cluster: %d, new cluster: %d, freq: %d\n",
- __func__, cpu, old_cluster, new_cluster, new_rate);
-
ret = clk_set_rate(clk[new_cluster], new_rate * 1000);
if (!ret) {
/*
@@ -155,8 +142,6 @@ ve_spc_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate)
}
if (WARN_ON(ret)) {
- pr_err("clk_set_rate failed: %d, new cluster: %d\n", ret,
- new_cluster);
if (bLs) {
per_cpu(cpu_last_req_freq, cpu) = prev_rate;
per_cpu(physical_cluster, cpu) = old_cluster;
@@ -171,9 +156,6 @@ ve_spc_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate)
/* Recalc freq for old cluster when switching clusters */
if (old_cluster != new_cluster) {
- pr_debug("%s: cpu: %d, old cluster: %d, new cluster: %d\n",
- __func__, cpu, old_cluster, new_cluster);
-
/* Switch cluster */
bL_switch_request(cpu, new_cluster);
@@ -183,13 +165,10 @@ ve_spc_cpufreq_set_rate(u32 cpu, u32 old_cluster, u32 new_cluster, u32 rate)
new_rate = find_cluster_maxfreq(old_cluster);
new_rate = ACTUAL_FREQ(old_cluster, new_rate);
- if (new_rate) {
- pr_debug("%s: Updating rate of old cluster: %d, to freq: %d\n",
- __func__, old_cluster, new_rate);
-
- if (clk_set_rate(clk[old_cluster], new_rate * 1000))
- pr_err("%s: clk_set_rate failed: %d, old cluster: %d\n",
- __func__, ret, old_cluster);
+ if (new_rate &&
+ clk_set_rate(clk[old_cluster], new_rate * 1000)) {
+ pr_err("%s: clk_set_rate failed: %d, old cluster: %d\n",
+ __func__, ret, old_cluster);
}
mutex_unlock(&cluster_lock[old_cluster]);
}
@@ -283,8 +262,6 @@ static int merge_cluster_tables(void)
j++) {
table[k].frequency = VIRT_FREQ(i,
freq_table[i][j].frequency);
- pr_debug("%s: index: %d, freq: %d\n", __func__, k,
- table[k].frequency);
k++;
}
}
@@ -292,8 +269,6 @@ static int merge_cluster_tables(void)
table[k].driver_data = k;
table[k].frequency = CPUFREQ_TABLE_END;
- pr_debug("%s: End, table: %p, count: %d\n", __func__, table, k);
-
return 0;
}
@@ -307,7 +282,6 @@ static void _put_cluster_clk_and_freq_table(struct device *cpu_dev,
clk_put(clk[cluster]);
dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table[cluster]);
- dev_dbg(cpu_dev, "%s: cluster: %d\n", __func__, cluster);
}
static void put_cluster_clk_and_freq_table(struct device *cpu_dev,
@@ -324,10 +298,9 @@ static void put_cluster_clk_and_freq_table(struct device *cpu_dev,
for_each_present_cpu(i) {
struct device *cdev = get_cpu_device(i);
- if (!cdev) {
- pr_err("%s: failed to get cpu%d device\n", __func__, i);
+
+ if (!cdev)
return;
- }
_put_cluster_clk_and_freq_table(cdev, cpumask);
}
@@ -354,19 +327,12 @@ static int _get_cluster_clk_and_freq_table(struct device *cpu_dev,
goto out;
ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table[cluster]);
- if (ret) {
- dev_err(cpu_dev, "%s: failed to init cpufreq table, cpu: %d, err: %d\n",
- __func__, cpu_dev->id, ret);
+ if (ret)
goto out;
- }
clk[cluster] = clk_get(cpu_dev, NULL);
- if (!IS_ERR(clk[cluster])) {
- dev_dbg(cpu_dev, "%s: clk: %p & freq table: %p, cluster: %d\n",
- __func__, clk[cluster], freq_table[cluster],
- cluster);
+ if (!IS_ERR(clk[cluster]))
return 0;
- }
dev_err(cpu_dev, "%s: Failed to get clk for cpu: %d, cluster: %d\n",
__func__, cpu_dev->id, cluster);
@@ -401,10 +367,9 @@ static int get_cluster_clk_and_freq_table(struct device *cpu_dev,
*/
for_each_present_cpu(i) {
struct device *cdev = get_cpu_device(i);
- if (!cdev) {
- pr_err("%s: failed to get cpu%d device\n", __func__, i);
+
+ if (!cdev)
return -ENODEV;
- }
ret = _get_cluster_clk_and_freq_table(cdev, cpumask);
if (ret)
@@ -419,18 +384,14 @@ static int get_cluster_clk_and_freq_table(struct device *cpu_dev,
clk_big_min = get_table_min(freq_table[0]);
clk_little_max = VIRT_FREQ(1, get_table_max(freq_table[1]));
- pr_debug("%s: cluster: %d, clk_big_min: %d, clk_little_max: %d\n",
- __func__, cluster, clk_big_min, clk_little_max);
-
return 0;
put_clusters:
for_each_present_cpu(i) {
struct device *cdev = get_cpu_device(i);
- if (!cdev) {
- pr_err("%s: failed to get cpu%d device\n", __func__, i);
+
+ if (!cdev)
return -ENODEV;
- }
_put_cluster_clk_and_freq_table(cdev, cpumask);
}
@@ -500,8 +461,6 @@ static int ve_spc_cpufreq_exit(struct cpufreq_policy *policy)
}
put_cluster_clk_and_freq_table(cpu_dev, policy->related_cpus);
- dev_dbg(cpu_dev, "%s: Exited, cpu: %d\n", __func__, policy->cpu);
-
return 0;
}
--
2.17.1
Powered by blists - more mailing lists