Re: [PATCH 4/5] LoongArch: Extract IOCSR definitions to standalone header

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Hi Jiaxun,

kernel test robot noticed the following build errors:

[auto build test ERROR on 9aaeb87ce1e966169a57f53a02ba05b30880ffb8]

url:    https://github.com/intel-lab-lkp/linux/commits/Jiaxun-Yang/LoongArch-Rename-cpu_has_csr-as-cpu_has_iocsr/20240907-181959
base:   9aaeb87ce1e966169a57f53a02ba05b30880ffb8
patch link:    https://lore.kernel.org/r/20240907-iocsr-v1-4-0c99b3334444%40flygoat.com
patch subject: [PATCH 4/5] LoongArch: Extract IOCSR definitions to standalone header
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20240909/202409090054.D3vEaTqr-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240909/202409090054.D3vEaTqr-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409090054.D3vEaTqr-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from arch/loongarch/include/asm/cpu-info.h:11,
                    from arch/loongarch/include/asm/processor.h:13,
                    from arch/loongarch/include/asm/thread_info.h:15,
                    from include/linux/thread_info.h:60,
                    from include/asm-generic/current.h:6,
                    from ./arch/loongarch/include/generated/asm/current.h:1,
                    from include/linux/mutex.h:14,
                    from include/linux/notifier.h:14,
                    from include/linux/clk.h:14,
                    from include/linux/cpufreq.h:11,
                    from drivers/cpufreq/loongson3_cpufreq.c:10:
   drivers/cpufreq/loongson3_cpufreq.c: In function 'do_service_request':
>> drivers/cpufreq/loongson3_cpufreq.c:185:35: error: 'LOONGSON_IOCSR_SMCMBX' undeclared (first use in this function)
     185 |         last.value = iocsr_read32(LOONGSON_IOCSR_SMCMBX);
         |                                   ^~~~~~~~~~~~~~~~~~~~~
   drivers/cpufreq/loongson3_cpufreq.c:185:22: note: in expansion of macro 'iocsr_read32'
     185 |         last.value = iocsr_read32(LOONGSON_IOCSR_SMCMBX);
         |                      ^~~~~~~~~~~~
   drivers/cpufreq/loongson3_cpufreq.c:185:35: note: each undeclared identifier is reported only once for each function it appears in
     185 |         last.value = iocsr_read32(LOONGSON_IOCSR_SMCMBX);
         |                                   ^~~~~~~~~~~~~~~~~~~~~
   drivers/cpufreq/loongson3_cpufreq.c:185:22: note: in expansion of macro 'iocsr_read32'
     185 |         last.value = iocsr_read32(LOONGSON_IOCSR_SMCMBX);
         |                      ^~~~~~~~~~~~
>> drivers/cpufreq/loongson3_cpufreq.c:199:36: error: 'LOONGSON_IOCSR_MISC_FUNC' undeclared (first use in this function)
     199 |         iocsr_write32(iocsr_read32(LOONGSON_IOCSR_MISC_FUNC) | IOCSR_MISC_FUNC_SOFT_INT,
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~
   arch/loongarch/include/asm/loongarch.h:187:45: note: in definition of macro 'iocsr_write32'
     187 | #define iocsr_write32(val, reg) __iocsrwr_w(val, reg)
         |                                             ^~~
   drivers/cpufreq/loongson3_cpufreq.c:199:23: note: in expansion of macro 'iocsr_read32'
     199 |         iocsr_write32(iocsr_read32(LOONGSON_IOCSR_MISC_FUNC) | IOCSR_MISC_FUNC_SOFT_INT,
         |                       ^~~~~~~~~~~~
>> drivers/cpufreq/loongson3_cpufreq.c:199:64: error: 'IOCSR_MISC_FUNC_SOFT_INT' undeclared (first use in this function)
     199 |         iocsr_write32(iocsr_read32(LOONGSON_IOCSR_MISC_FUNC) | IOCSR_MISC_FUNC_SOFT_INT,
         |                                                                ^~~~~~~~~~~~~~~~~~~~~~~~
   arch/loongarch/include/asm/loongarch.h:187:45: note: in definition of macro 'iocsr_write32'
     187 | #define iocsr_write32(val, reg) __iocsrwr_w(val, reg)
         |                                             ^~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for OMAP2PLUS_MBOX
   Depends on [n]: MAILBOX [=y] && (ARCH_OMAP2PLUS || ARCH_K3)
   Selected by [m]:
   - TI_K3_M4_REMOTEPROC [=m] && REMOTEPROC [=y] && (ARCH_K3 || COMPILE_TEST [=y])


vim +/LOONGSON_IOCSR_SMCMBX +185 drivers/cpufreq/loongson3_cpufreq.c

   175	
   176	static inline int do_service_request(u32 id, u32 info, u32 cmd, u32 val, u32 extra)
   177	{
   178		int retries;
   179		unsigned int cpu = raw_smp_processor_id();
   180		unsigned int package = cpu_data[cpu].package;
   181		union smc_message msg, last;
   182	
   183		mutex_lock(&cpufreq_mutex[package]);
   184	
 > 185		last.value = iocsr_read32(LOONGSON_IOCSR_SMCMBX);
   186		if (!last.complete) {
   187			mutex_unlock(&cpufreq_mutex[package]);
   188			return -EPERM;
   189		}
   190	
   191		msg.id		= id;
   192		msg.info	= info;
   193		msg.cmd		= cmd;
   194		msg.val		= val;
   195		msg.extra	= extra;
   196		msg.complete	= 0;
   197	
   198		iocsr_write32(msg.value, LOONGSON_IOCSR_SMCMBX);
 > 199		iocsr_write32(iocsr_read32(LOONGSON_IOCSR_MISC_FUNC) | IOCSR_MISC_FUNC_SOFT_INT,
   200			      LOONGSON_IOCSR_MISC_FUNC);
   201	
   202		for (retries = 0; retries < 10000; retries++) {
   203			msg.value = iocsr_read32(LOONGSON_IOCSR_SMCMBX);
   204			if (msg.complete)
   205				break;
   206	
   207			usleep_range(8, 12);
   208		}
   209	
   210		if (!msg.complete || msg.cmd != CMD_OK) {
   211			mutex_unlock(&cpufreq_mutex[package]);
   212			return -EPERM;
   213		}
   214	
   215		mutex_unlock(&cpufreq_mutex[package]);
   216	
   217		return msg.val;
   218	}
   219	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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