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Date:   Sun, 7 Aug 2022 18:33:22 +0800
From:   kernel test robot <lkp@intel.com>
To:     Szuying Chen <chensiying21@gmail.com>, andreas.noever@gmail.com,
        michael.jamet@intel.com, mika.westerberg@linux.intel.com,
        YehezkelShB@gmail.com, linux-usb@vger.kernel.org,
        linux-kernel@vger.kernel.org
Cc:     llvm@lists.linux.dev, kbuild-all@lists.01.org,
        Yd_Tseng@asmedia.com.tw, Richard_Hsu@asmedia.com.tw,
        Chloe_Chen@asmedia.com.tw
Subject: Re: [PATCH] thunderbolt: thunderbolt: add vendor's NVM formats
Message-ID: <202208071845.cTQlPQto-lkp@intel.com>
References: <20220805092224.2536-1-Chloe_Chen@asmedia.com.tw>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220805092224.2536-1-Chloe_Chen@asmedia.com.tw>
Precedence: bulk

Hi Szuying,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.19 next-20220805]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Szuying-Chen/thunderbolt-thunderbolt-add-vendor-s-NVM-formats/20220805-172732
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git b2a88c212e652e94f1e4b635910972ac57ba4e97
config: x86_64-randconfig-a012 (https://download.01.org/0day-ci/archive/20220807/202208071845.cTQlPQto-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 26dd42705c2af0b8f6e5d6cdb32c9bd5ed9524eb)
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
        # https://github.com/intel-lab-lkp/linux/commit/cc64350d27db3b30e5ceef2b5d6a3c48b9a4d989
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Szuying-Chen/thunderbolt-thunderbolt-add-vendor-s-NVM-formats/20220805-172732
        git checkout cc64350d27db3b30e5ceef2b5d6a3c48b9a4d989
        # 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=x86_64 SHELL=/bin/bash drivers/

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

All errors (new ones prefixed by >>):

>> drivers/thunderbolt/nvm.c:75:3: error: expected expression
                   struct tb_nvm *nvm;
                   ^
>> drivers/thunderbolt/nvm.c:79:3: error: use of undeclared identifier 'nvm'
                   nvm = tb_nvm_alloc(&sw->dev);
                   ^
   drivers/thunderbolt/nvm.c:80:14: error: use of undeclared identifier 'nvm'
                   if (IS_ERR(nvm)) {
                              ^
   drivers/thunderbolt/nvm.c:81:18: error: use of undeclared identifier 'nvm'
                           ret = PTR_ERR(nvm);
                                         ^
   drivers/thunderbolt/nvm.c:89:3: error: use of undeclared identifier 'nvm'
                   nvm->vendor.date = (((u8)val) << 0x10 | ((u8)(val >> 0x8)) << 0x8 | (u8)(val >> 0x10));
                   ^
   drivers/thunderbolt/nvm.c:94:3: error: use of undeclared identifier 'nvm'
                   nvm->vendor.customerID = (((u8)val) << 0x8 | ((u8)(val >> 0x8)));
                   ^
   drivers/thunderbolt/nvm.c:95:3: error: use of undeclared identifier 'nvm'
                   nvm->vendor.version = (u8)(val >> 0x10);
                   ^
   drivers/thunderbolt/nvm.c:97:27: error: use of undeclared identifier 'nvm'
                   ret = tb_nvm_add_active(nvm, nvm_size, tb_switch_nvm_read);
                                           ^
   drivers/thunderbolt/nvm.c:101:31: error: use of undeclared identifier 'nvm'
                   ret = tb_nvm_add_non_active(nvm, NVM_MAX_SIZE, tb_switch_nvm_write);
                                               ^
   drivers/thunderbolt/nvm.c:105:13: error: use of undeclared identifier 'nvm'
                   sw->nvm = nvm;
                             ^
   drivers/thunderbolt/nvm.c:109:3: error: expected expression
                   unsigned int image_size;
                   ^
>> drivers/thunderbolt/nvm.c:116:3: error: use of undeclared identifier 'image_size'
                   image_size = sw->nvm->buf_data_size;
                   ^
   drivers/thunderbolt/nvm.c:117:7: error: use of undeclared identifier 'image_size'; did you mean 'page_size'?
                   if (image_size < NVM_MIN_SIZE || image_size > NVM_MAX_SIZE) {
                       ^~~~~~~~~~
                       page_size
   include/linux/mm.h:927:29: note: 'page_size' declared here
   static inline unsigned long page_size(struct page *page)
                               ^
   drivers/thunderbolt/nvm.c:117:36: error: use of undeclared identifier 'image_size'; did you mean 'page_size'?
                   if (image_size < NVM_MIN_SIZE || image_size > NVM_MAX_SIZE) {
                                                    ^~~~~~~~~~
                                                    page_size
   include/linux/mm.h:927:29: note: 'page_size' declared here
   static inline unsigned long page_size(struct page *page)
                               ^
   drivers/thunderbolt/nvm.c:121:43: error: use of undeclared identifier 'image_size'; did you mean 'page_size'?
                   ret = usb4_switch_nvm_write(sw, 0, buf, image_size);
                                                           ^~~~~~~~~~
                                                           page_size
   include/linux/mm.h:927:29: note: 'page_size' declared here
   static inline unsigned long page_size(struct page *page)
                               ^
   drivers/thunderbolt/nvm.c:76:7: warning: mixing declarations and code is incompatible with standards before C99 [-Wdeclaration-after-statement]
                   u32 val;
                       ^
   1 warning and 15 errors generated.


vim +75 drivers/thunderbolt/nvm.c

    62	
    63	static int tb_nvm_vendor_apply(struct tb_switch *sw, unsigned int handle)
    64	{
    65		int ret = 0;
    66	
    67		switch (handle) {
    68		case 0:
    69			if (sw->no_nvm_upgrade)
    70				sw->no_nvm_upgrade = false;
    71	
    72			break;
    73	
    74		case 1:
  > 75			struct tb_nvm *nvm;
    76			u32 val;
    77			u32 nvm_size;
    78	
  > 79			nvm = tb_nvm_alloc(&sw->dev);
    80			if (IS_ERR(nvm)) {
    81				ret = PTR_ERR(nvm);
    82				break;
    83			}
    84	
    85			ret = usb4_switch_nvm_read(sw, NVM_Date, &val, sizeof(val));
    86			if (ret)
    87				break;
    88	
    89			nvm->vendor.date = (((u8)val) << 0x10 | ((u8)(val >> 0x8)) << 0x8 | (u8)(val >> 0x10));
    90			ret = usb4_switch_nvm_read(sw, NVM_CUSTOMER_ID, &val, sizeof(val));
    91			if (ret)
    92				break;
    93	
    94			nvm->vendor.customerID = (((u8)val) << 0x8 | ((u8)(val >> 0x8)));
    95			nvm->vendor.version = (u8)(val >> 0x10);
    96			nvm_size = SZ_512K;
    97			ret = tb_nvm_add_active(nvm, nvm_size, tb_switch_nvm_read);
    98			if (ret)
    99				break;
   100	
   101			ret = tb_nvm_add_non_active(nvm, NVM_MAX_SIZE, tb_switch_nvm_write);
   102			if (ret)
   103				break;
   104	
   105			sw->nvm = nvm;
   106			break;
   107	
   108		case 2:
   109			unsigned int image_size;
   110			const u8 *buf = sw->nvm->buf;
   111	
   112			if (!buf) {
   113				ret = -EINVAL;
   114				break;
   115			}
 > 116			image_size = sw->nvm->buf_data_size;
   117			if (image_size < NVM_MIN_SIZE || image_size > NVM_MAX_SIZE) {
   118				ret = -EINVAL;
   119				break;
   120			}
   121			ret = usb4_switch_nvm_write(sw, 0, buf, image_size);
   122			if (!ret)
   123				sw->nvm->flushed = true;
   124	
   125			break;
   126	
   127		default:
   128			break;
   129		}
   130	
   131		if ((handle == 1) && (ret != 0))
   132			tb_nvm_free(sw->nvm);
   133	
   134		return ret;
   135	}
   136	

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