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分类: Android平台

2013-05-17 18:32:20

在编译最新版ath9k driver:compat-wireless3.6.8.1时,android kernel 3.4.5
出现错误:
compat-wireless-3.5.4-1/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c: In function 'dfs_pattern_detector_init':
compat-wireless-3.5.4-1/drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c:294:33: error: macro "set_domain" passed 2 arguments, but takes just 1

解决办法:

替换kernel文件arch/arm/include/asm/domain.h,将下列代码保存为domain.h放在对应目录下:
=================================================

/*
 *  arch/arm/include/asm/domain.h
 *
 *  Copyright (C) 1999 Russell King.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __ASM_PROC_DOMAIN_H
#define __ASM_PROC_DOMAIN_H

#ifndef __ASSEMBLY__
#include
#endif

/*
 * Domain numbers
 *
 *  DOMAIN_IO     - domain 2 includes all IO only
 *  DOMAIN_USER   - domain 1 includes all user memory only
 *  DOMAIN_KERNEL - domain 0 includes all kernel memory only
 *
 * The domain numbering depends on whether we support 36 physical
 * address for I/O or not.  Addresses above the 32 bit boundary can
 * only be mapped using supersections and supersections can only
 * be set for domain 0.  We could just default to DOMAIN_IO as zero,
 * but there may be systems with supersection support and no 36-bit
 * addressing.  In such cases, we want to map system memory with
 * supersections to reduce TLB misses and footprint.
 *
 * 36-bit addressing and supersections are only available on
 * CPUs based on ARMv6+ or the Intel XSC3 core.
 */
#ifndef CONFIG_IO_36
#define DOMAIN_KERNEL 0
#define DOMAIN_TABLE 0
#define DOMAIN_USER 1
#define DOMAIN_IO 2
#else
#define DOMAIN_KERNEL 2
#define DOMAIN_TABLE 2
#define DOMAIN_USER 1
#define DOMAIN_IO 0
#endif

/*
 * Domain types
 */
#define DOMAIN_NOACCESS 0
#define DOMAIN_CLIENT 1
#ifdef CONFIG_CPU_USE_DOMAINS
#define DOMAIN_MANAGER 3
#else
#define DOMAIN_MANAGER 1
#endif

#define domain_val(dom,type) ((type) << (2*(dom)))

#ifndef __ASSEMBLY__

#ifdef CONFIG_CPU_USE_DOMAINS
static inline void set_domain(unsigned val)
{
 asm volatile(
 "mcr p15, 0, %0, c3, c0 @ set domain"
   : : "r" (val));
 isb();
}

#define modify_domain(dom,type)     \
 do {       \
 struct thread_info *thread = current_thread_info(); \
 unsigned int domain = thread->cpu_domain;  \
 domain &= ~domain_val(dom, DOMAIN_MANAGER);  \
 thread->cpu_domain = domain | domain_val(dom, type); \
 set_domain(thread->cpu_domain);    \
 } while (0)

#else
static inline void set_domain(unsigned val) { }
static inline void modify_domain(unsigned dom, unsigned type) { }
#endif

/*
 * Generate the T (user) versions of the LDR/STR and related
 * instructions (inline assembly)
 */
#ifdef CONFIG_CPU_USE_DOMAINS
#define TUSER(instr) #instr "t"
#else
#define TUSER(instr) #instr
#endif

#else /* __ASSEMBLY__ */

/*
 * Generate the T (user) versions of the LDR/STR and related
 * instructions
 */
#ifdef CONFIG_CPU_USE_DOMAINS
#define TUSER(instr) instr ## t
#else
#define TUSER(instr) instr
#endif

#endif /* __ASSEMBLY__ */

#endif /* !__ASM_PROC_DOMAIN_H */
=========================================
这个没有研究原因,在网上找的,不过可行,编译时,奇怪问题不出现。

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