From 66aca8aa35bc0b07c754d9ad95c808e4d91f58f1 Mon Sep 17 00:00:00 2001
From: PA4WDH
Date: Sat, 24 Aug 2024 16:07:11 +0200
Subject: Add multi-CPU support

---
 cpufreq.c | 47 +++++++++++++----------------------------------
 1 file changed, 13 insertions(+), 34 deletions(-)

(limited to 'cpufreq.c')

diff --git a/cpufreq.c b/cpufreq.c
index 5ad9abf..55a8a8d 100644
--- a/cpufreq.c
+++ b/cpufreq.c
@@ -7,62 +7,41 @@
 #include <sys/types.h>
 #include "debug.h"
 #include "sysfs.h"
+#include "cputemp2maxfreq.h"
 
-// Validate if we found a file named cpu[0-9][0-9]
-int cpufreq_is_cpu(char *name)
-{
- if (strncmp(name,"cpu",3)!=0) return 0;
- if ((name[3]<'0') || (name[3]>'9')) return 0;
- if (name[4]==0) return 1;
-
- if ((name[4]<'0') || (name[4]>'9')) return 0;
- if (name[5]==0) return 1;
-
- return 0;
-}
+extern struct s_cpudata cpudata;
 
 // Set a cpufreq parameter to a value
 int cpufreq_set_str(char *parameter,char *value,long int checkdelay)
 {
- DIR *cpudir;
- struct dirent *cpu_dirent;
+ int cpu;
  char sysfs_file[128];
  int done=0;
 
  DEBUG1_CPUFREQ("Set %s to %s\n",parameter,value)
 
-// Open the CPU directory in sysfs
- cpudir=opendir("/sys/devices/system/cpu");
- if (cpudir==NULL)
+ if (cpudata.cpulist==NULL)
  {
-  DEBUG1_CPUFREQ("Unable to find CPU's\n");
+  DEBUG1_CPUFREQ("No CPU list\n");
   return -1;
  }
 
- cpu_dirent=readdir(cpudir);
- while(cpu_dirent!=NULL)
+ for(cpu=0;cpu<cpudata.cpulist_len;cpu++)
  {
-// If it's a CPU, set our parameter
-  if (cpufreq_is_cpu(cpu_dirent->d_name))
+  DEBUG2_CPUFREQ("Set CPU %s\n",cpudata.cpulist[cpu]);
+  snprintf(sysfs_file,128,"/sys/devices/system/cpu/%s/cpufreq/%s",cpudata.cpulist[cpu],parameter);
+  if (sysfs_write_str(sysfs_file,value,checkdelay)!=0)
   {
-   DEBUG2_CPUFREQ("Found CPU %s\n",cpu_dirent->d_name);
-   snprintf(sysfs_file,128,"/sys/devices/system/cpu/%s/cpufreq/%s",cpu_dirent->d_name,parameter);
-   if (sysfs_write_str(sysfs_file,value,checkdelay)!=0)
-   {
-    DEBUG1_CPUFREQ("Failed to set %s\n",cpu_dirent->d_name);
-    closedir(cpudir);
-    return -1;
-   }
-   done++;
+   DEBUG1_CPUFREQ("Failed to set %s\n",cpudata.cpulist[cpu]);
+   return -1;
   }
-
-  cpu_dirent=readdir(cpudir);
+  done++;
  }
- closedir(cpudir);
 
  return done;
 }
 
+
 // This is just a wrapper around cpufreq_set_str with long int to string
 // conversion
 int cpufreq_set_long_int(char *parameter,long int value,long int checkdelay)
-- 
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