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Date:   Wed, 17 Aug 2022 06:07:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     Hector Martin <marcan@...can.st>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [asahilinux:bits/110-smc 4/17]
 drivers/platform/apple/smc_rtkit.c:74:9: error: call to undeclared function
 'FIELD_PREP'; ISO C99 and later do not support implicit function
 declarations

tree:   https://github.com/AsahiLinux/linux bits/110-smc
head:   85225bbe01a2a74102db8d75e316b4e46f1cb07f
commit: 59000ffdca0f77c3f45fe7610510b17382fc8974 [4/17] platform/apple: Add new Apple Mac SMC driver
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20220817/202208170620.ruISFGG4-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project aed5e3bea138ce581d682158eb61c27b3cfdd6ec)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://github.com/AsahiLinux/linux/commit/59000ffdca0f77c3f45fe7610510b17382fc8974
        git remote add asahilinux https://github.com/AsahiLinux/linux
        git fetch --no-tags asahilinux bits/110-smc
        git checkout 59000ffdca0f77c3f45fe7610510b17382fc8974
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/platform/apple/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All error/warnings (new ones prefixed by >>):

>> drivers/platform/apple/smc_rtkit.c:74:9: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           msg = (FIELD_PREP(SMC_MSG, SMC_MSG_WRITE_KEY) |
                  ^
>> drivers/platform/apple/smc_rtkit.c:95:6: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           if (FIELD_GET(SMC_ID, smc->cmd_ret) != smc->msg_id) {
               ^
>> drivers/platform/apple/smc_rtkit.c:77:20: warning: shift count >= width of type [-Wshift-count-overflow]
                  FIELD_PREP(SMC_DATA, key));
                             ^~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:20: note: expanded from macro 'SMC_DATA'
   #define SMC_DATA                        GENMASK(63, 32)
                                           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^~~~~~~~~~~~~~~
   include/linux/bits.h:35:22: note: expanded from macro '__GENMASK'
           (((~UL(0)) - (UL(1) << (l)) + 1) & \
                               ^  ~~~
>> drivers/platform/apple/smc_rtkit.c:77:20: warning: shift count is negative [-Wshift-count-negative]
                  FIELD_PREP(SMC_DATA, key));
                             ^~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:20: note: expanded from macro 'SMC_DATA'
   #define SMC_DATA                        GENMASK(63, 32)
                                           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^~~~~~~~~~~~~~~
   include/linux/bits.h:36:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^  ~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:121:9: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           msg = (FIELD_PREP(SMC_MSG, cmd) |
                  ^
   drivers/platform/apple/smc_rtkit.c:139:7: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
                   if (FIELD_GET(SMC_ID, smc->cmd_ret) == smc->msg_id)
                       ^
   drivers/platform/apple/smc_rtkit.c:145:11: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           result = FIELD_GET(SMC_RESULT, smc->cmd_ret);
                    ^
   drivers/platform/apple/smc_rtkit.c:125:20: warning: shift count >= width of type [-Wshift-count-overflow]
                  FIELD_PREP(SMC_DATA, arg));
                             ^~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:20: note: expanded from macro 'SMC_DATA'
   #define SMC_DATA                        GENMASK(63, 32)
                                           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^~~~~~~~~~~~~~~
   include/linux/bits.h:35:22: note: expanded from macro '__GENMASK'
           (((~UL(0)) - (UL(1) << (l)) + 1) & \
                               ^  ~~~
   drivers/platform/apple/smc_rtkit.c:125:20: warning: shift count is negative [-Wshift-count-negative]
                  FIELD_PREP(SMC_DATA, arg));
                             ^~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:20: note: expanded from macro 'SMC_DATA'
   #define SMC_DATA                        GENMASK(63, 32)
                                           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^~~~~~~~~~~~~~~
   include/linux/bits.h:36:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^  ~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:150:25: warning: shift count >= width of type [-Wshift-count-overflow]
                   *ret_data = FIELD_GET(SMC_DATA, smc->cmd_ret);
                                         ^~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:20: note: expanded from macro 'SMC_DATA'
   #define SMC_DATA                        GENMASK(63, 32)
                                           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^~~~~~~~~~~~~~~
   include/linux/bits.h:35:22: note: expanded from macro '__GENMASK'
           (((~UL(0)) - (UL(1) << (l)) + 1) & \
                               ^  ~~~
   drivers/platform/apple/smc_rtkit.c:150:25: warning: shift count is negative [-Wshift-count-negative]
                   *ret_data = FIELD_GET(SMC_DATA, smc->cmd_ret);
                                         ^~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:20: note: expanded from macro 'SMC_DATA'
   #define SMC_DATA                        GENMASK(63, 32)
                                           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^~~~~~~~~~~~~~~
   include/linux/bits.h:36:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^  ~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:303:13: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           } else if (FIELD_GET(SMC_MSG, message) == SMC_MSG_NOTIFICATION) {
                      ^
   drivers/platform/apple/smc_rtkit.c:327:6: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
           if (FIELD_GET(SMC_MSG, message) != SMC_MSG_NOTIFICATION) {
               ^
   drivers/platform/apple/smc_rtkit.c:332:48: warning: shift count >= width of type [-Wshift-count-overflow]
           apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
                                                         ^~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:20: note: expanded from macro 'SMC_DATA'
   #define SMC_DATA                        GENMASK(63, 32)
                                           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^~~~~~~~~~~~~~~
   include/linux/bits.h:35:22: note: expanded from macro '__GENMASK'
           (((~UL(0)) - (UL(1) << (l)) + 1) & \
                               ^  ~~~
   drivers/platform/apple/smc_rtkit.c:332:48: warning: shift count is negative [-Wshift-count-negative]
           apple_smc_event_received(smc->core, FIELD_GET(SMC_DATA, message));
                                                         ^~~~~~~~
   drivers/platform/apple/smc_rtkit.c:30:20: note: expanded from macro 'SMC_DATA'
   #define SMC_DATA                        GENMASK(63, 32)
                                           ^~~~~~~~~~~~~~~
   include/linux/bits.h:38:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^~~~~~~~~~~~~~~
   include/linux/bits.h:36:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^  ~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/apple/smc_rtkit.c:386:12: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
                                          FIELD_PREP(SMC_MSG, SMC_MSG_INITIALIZE), NULL, false);


vim +/FIELD_PREP +74 drivers/platform/apple/smc_rtkit.c

    58	
    59	static int apple_smc_rtkit_write_key_atomic(void *cookie, smc_key key, void *buf, size_t size)
    60	{
    61		struct apple_smc_rtkit *smc = cookie;
    62		int ret;
    63		u64 msg;
    64		u8 result;
    65	
    66		if (size > SMC_SHMEM_SIZE || size == 0)
    67			return -EINVAL;
    68	
    69		if (!smc->alive)
    70			return -EIO;
    71	
    72		memcpy_toio(smc->shmem.iomem, buf, size);
    73		smc->msg_id = (smc->msg_id + 1) & 0xf;
  > 74		msg = (FIELD_PREP(SMC_MSG, SMC_MSG_WRITE_KEY) |
    75		       FIELD_PREP(SMC_SIZE, size) |
    76		       FIELD_PREP(SMC_ID, smc->msg_id) |
  > 77		       FIELD_PREP(SMC_DATA, key));
    78		smc->atomic_pending = true;
    79	
    80		ret = apple_rtkit_send_message(smc->rtk, SMC_ENDPOINT, msg, NULL, true);
    81		if (ret < 0) {
    82			dev_err(smc->dev, "Failed to send command (%d)\n", ret);
    83			return ret;
    84		}
    85	
    86		while (smc->atomic_pending) {
    87			ret = apple_rtkit_poll(smc->rtk);
    88			if (ret < 0) {
    89				dev_err(smc->dev, "RTKit poll failed (%llx)", msg);
    90				return ret;
    91			}
    92			udelay(100);
    93		}
    94	
  > 95		if (FIELD_GET(SMC_ID, smc->cmd_ret) != smc->msg_id) {
    96			dev_err(smc->dev, "Command sequence mismatch (expected %d, got %d)\n",
    97				smc->msg_id, (unsigned int)FIELD_GET(SMC_ID, smc->cmd_ret));
    98			return -EIO;
    99		}
   100	
   101		result = FIELD_GET(SMC_RESULT, smc->cmd_ret);
   102		if (result != 0)
   103			return -result;
   104	
   105		return FIELD_GET(SMC_SIZE, smc->cmd_ret);
   106	}
   107	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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