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Linux/arch/mips/loongson2ef/lemote-2f/clock.c

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Diff markup

Differences between /arch/mips/loongson2ef/lemote-2f/clock.c (Version linux-6.12-rc7) and /arch/i386/loongson2ef/lemote-2f/clock.c (Version linux-5.10.229)


  1 /*                                                  1 
  2  * Copyright (C) 2006 - 2008 Lemote Inc. & Ins    
  3  * Author: Yanhua, yanh@lemote.com                
  4  *                                                
  5  * This file is subject to the terms and condi    
  6  * License.  See the file "COPYING" in the mai    
  7  * for more details.                              
  8  */                                               
  9 #include <linux/cpufreq.h>                        
 10 #include <linux/errno.h>                          
 11 #include <linux/export.h>                         
 12                                                   
 13 #include <asm/mach-loongson2ef/loongson.h>        
 14                                                   
 15 enum {                                            
 16         DC_ZERO, DC_25PT = 2, DC_37PT, DC_50PT    
 17         DC_87PT, DC_DISABLE, DC_RESV              
 18 };                                                
 19                                                   
 20 struct cpufreq_frequency_table loongson2_clock    
 21         {0, DC_RESV, CPUFREQ_ENTRY_INVALID},      
 22         {0, DC_ZERO, CPUFREQ_ENTRY_INVALID},      
 23         {0, DC_25PT, 0},                          
 24         {0, DC_37PT, 0},                          
 25         {0, DC_50PT, 0},                          
 26         {0, DC_62PT, 0},                          
 27         {0, DC_75PT, 0},                          
 28         {0, DC_87PT, 0},                          
 29         {0, DC_DISABLE, 0},                       
 30         {0, DC_RESV, CPUFREQ_TABLE_END},          
 31 };                                                
 32 EXPORT_SYMBOL_GPL(loongson2_clockmod_table);      
 33                                                   
 34 int loongson2_cpu_set_rate(unsigned long rate_    
 35 {                                                 
 36         struct cpufreq_frequency_table *pos;      
 37         int regval;                               
 38                                                   
 39         cpufreq_for_each_valid_entry(pos, loon    
 40                 if (rate_khz == pos->frequency    
 41                         break;                    
 42         if (rate_khz != pos->frequency)           
 43                 return -ENOTSUPP;                 
 44                                                   
 45         regval = readl(LOONGSON_CHIPCFG);         
 46         regval = (regval & ~0x7) | (pos->drive    
 47         writel(regval, LOONGSON_CHIPCFG);         
 48                                                   
 49         return 0;                                 
 50 }                                                 
 51 EXPORT_SYMBOL_GPL(loongson2_cpu_set_rate);        
 52                                                   

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