tree: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master head: 3d29e98d1d7550fc959a7ad4258bd804b533b493 commit: 0c3dc787a62aef3ca7aedf3797ec42fff9b0a913 [2/35] crypto: algapi - Remove skbuff.h inclusion config: arm-randconfig-r016-20200820 (attached as .config) compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project b587ca93be114d07ec3bf654add97d7872325281) 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 arm cross compiling tool for clang build # apt-get install binutils-arm-linux-gnueabi git checkout 0c3dc787a62aef3ca7aedf3797ec42fff9b0a913 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): writel_relaxed(bitrev32(mctx->key), crc->regs + CRC_INIT); ^ ctx->partial = readl_relaxed(crc->regs + CRC_DR); ^ drivers/crypto/stm32/stm32-crc32.c:134:17: note: did you mean 'writel_relaxed'? drivers/crypto/stm32/stm32-crc32.c:128:2: note: 'writel_relaxed' declared here writel_relaxed(bitrev32(mctx->key), crc->regs + CRC_INIT); ^ drivers/crypto/stm32/stm32-crc32.c:166:2: error: implicit declaration of function 'writel_relaxed' [-Werror,-Wimplicit-function-declaration] writel_relaxed(bitrev32(ctx->partial), crc->regs + CRC_INIT); ^ writeb_relaxed(*d8++, crc->regs + CRC_DR); ^ drivers/crypto/stm32/stm32-crc32.c:176:4: note: did you mean 'writel_relaxed'? drivers/crypto/stm32/stm32-crc32.c:128:2: note: 'writel_relaxed' declared here writel_relaxed(bitrev32(mctx->key), crc->regs + CRC_INIT); ^ drivers/crypto/stm32/stm32-crc32.c:192:4: error: implicit declaration of function 'writeb_relaxed' [-Werror,-Wimplicit-function-declaration] writeb_relaxed(*d8++, crc->regs + CRC_DR); ^ drivers/crypto/stm32/stm32-crc32.c:196:17: error: implicit declaration of function 'readl_relaxed' [-Werror,-Wimplicit-function-declaration] ctx->partial = readl_relaxed(crc->regs + CRC_DR); ^ 6 errors generated. -- rctx->dma_ct = dma_map_sg(hdev->dev, &rctx->sg_key, 1, ^ DMA_TO_DEVICE); ^ dma_unmap_sg(hdev->dev, &rctx->sg_key, 1, DMA_TO_DEVICE); ^ drivers/crypto/stm32/stm32-hash.c:501:3: note: did you mean 'dma_map_sg'? drivers/crypto/stm32/stm32-hash.c:492:18: note: 'dma_map_sg' declared here rctx->dma_ct = dma_map_sg(hdev->dev, &rctx->sg_key, 1, ^ drivers/crypto/stm32/stm32-hash.c:501:45: error: use of undeclared identifier 'DMA_TO_DEVICE' dma_unmap_sg(hdev->dev, &rctx->sg_key, 1, DMA_TO_DEVICE); ^ drivers/crypto/stm32/stm32-hash.c:588:18: error: implicit declaration of function 'dma_map_sg' [-Werror,-Wimplicit-function-declaration] rctx->dma_ct = dma_map_sg(hdev->dev, sg, 1, ^ drivers/crypto/stm32/stm32-hash.c:589:8: error: use of undeclared identifier 'DMA_TO_DEVICE' DMA_TO_DEVICE); ^ drivers/crypto/stm32/stm32-hash.c:598:3: error: implicit declaration of function 'dma_unmap_sg' [-Werror,-Wimplicit-function-declaration] dma_unmap_sg(hdev->dev, sg, 1, DMA_TO_DEVICE); ^ drivers/crypto/stm32/stm32-hash.c:598:34: error: use of undeclared identifier 'DMA_TO_DEVICE' dma_unmap_sg(hdev->dev, sg, 1, DMA_TO_DEVICE); ^ 8 errors generated. # https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git... git remote add cryptodev https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git git fetch --no-tags cryptodev master git checkout 0c3dc787a62aef3ca7aedf3797ec42fff9b0a913 vim +/writel_relaxed +128 drivers/crypto/stm32/stm32-crc32.c 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 111 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 112 static int stm32_crc_init(struct shash_desc *desc) 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 113 { 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 114 struct stm32_crc_desc_ctx *ctx = shash_desc_ctx(desc); 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 115 struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm); 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 116 struct stm32_crc *crc; 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 117 unsigned long flags; 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 118 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 119 crc = stm32_crc_get_next_crc(); 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 120 if (!crc) 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 121 return -ENODEV; 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 122 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 123 pm_runtime_get_sync(crc->dev); 73463ade0a57d2c drivers/crypto/stm32/stm32_crc32.c lionel.debieve(a)st.com 2018-06-26 124 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 125 spin_lock_irqsave(&crc->lock, flags); 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 126 b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 127 /* Reset, set key, poly and configure in bit reverse mode */ 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 @128 writel_relaxed(bitrev32(mctx->key), crc->regs + CRC_INIT); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 129 writel_relaxed(bitrev32(mctx->poly), crc->regs + CRC_POL); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 130 writel_relaxed(CRC_CR_RESET | CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT, 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 131 crc->regs + CRC_CR); b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 132 b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 133 /* Store partial result */ 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 @134 ctx->partial = readl_relaxed(crc->regs + CRC_DR); b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 135 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 136 spin_unlock_irqrestore(&crc->lock, flags); 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 137 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 138 pm_runtime_mark_last_busy(crc->dev); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 139 pm_runtime_put_autosuspend(crc->dev); 73463ade0a57d2c drivers/crypto/stm32/stm32_crc32.c lionel.debieve(a)st.com 2018-06-26 140 b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 141 return 0; b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 142 } b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 143 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 144 static int burst_update(struct shash_desc *desc, const u8 *d8, 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 145 size_t length) b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 146 { b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 147 struct stm32_crc_desc_ctx *ctx = shash_desc_ctx(desc); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 148 struct stm32_crc_ctx *mctx = crypto_shash_ctx(desc->tfm); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 149 struct stm32_crc *crc; 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 150 unsigned long flags; 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 151 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 152 crc = stm32_crc_get_next_crc(); 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 153 if (!crc) 10b89c43a64eb0d drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 154 return -ENODEV; b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 155 73463ade0a57d2c drivers/crypto/stm32/stm32_crc32.c lionel.debieve(a)st.com 2018-06-26 156 pm_runtime_get_sync(crc->dev); 73463ade0a57d2c drivers/crypto/stm32/stm32_crc32.c lionel.debieve(a)st.com 2018-06-26 157 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 158 spin_lock_irqsave(&crc->lock, flags); 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 159 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 160 /* 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 161 * Restore previously calculated CRC for this context as init value 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 162 * Restore polynomial configuration 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 163 * Configure in register for word input data, 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 164 * Configure out register in reversed bit mode data. 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 165 */ 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 166 writel_relaxed(bitrev32(ctx->partial), crc->regs + CRC_INIT); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 167 writel_relaxed(bitrev32(mctx->poly), crc->regs + CRC_POL); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 168 writel_relaxed(CRC_CR_RESET | CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT, 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 169 crc->regs + CRC_CR); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 170 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 171 if (d8 != PTR_ALIGN(d8, sizeof(u32))) { 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 172 /* Configure for byte data */ 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 173 writel_relaxed(CRC_CR_REV_IN_BYTE | CRC_CR_REV_OUT, 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 174 crc->regs + CRC_CR); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 175 while (d8 != PTR_ALIGN(d8, sizeof(u32)) && length) { 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 @176 writeb_relaxed(*d8++, crc->regs + CRC_DR); b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 177 length--; b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 178 } 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 179 /* Configure for word data */ 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 180 writel_relaxed(CRC_CR_REV_IN_WORD | CRC_CR_REV_OUT, 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 181 crc->regs + CRC_CR); b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 182 } b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 183 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 184 for (; length >= sizeof(u32); d8 += sizeof(u32), length -= sizeof(u32)) 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 185 writel_relaxed(*((u32 *)d8), crc->regs + CRC_DR); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 186 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 187 if (length) { 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 188 /* Configure for byte data */ 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 189 writel_relaxed(CRC_CR_REV_IN_BYTE | CRC_CR_REV_OUT, 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 190 crc->regs + CRC_CR); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 191 while (length--) 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 192 writeb_relaxed(*d8++, crc->regs + CRC_DR); 49c2c082e00e0bc drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 193 } b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 194 b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 195 /* Store partial result */ 391775191f38f80 drivers/crypto/stm32/stm32_crc32.c lionel.debieve(a)st.com 2017-07-13 196 ctx->partial = readl_relaxed(crc->regs + CRC_DR); b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 197 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 198 spin_unlock_irqrestore(&crc->lock, flags); 7795c0baf5ac25e drivers/crypto/stm32/stm32-crc32.c Nicolas Toromanoff 2020-05-12 199 73463ade0a57d2c drivers/crypto/stm32/stm32_crc32.c lionel.debieve(a)st.com 2018-06-26 200 pm_runtime_mark_last_busy(crc->dev); 73463ade0a57d2c drivers/crypto/stm32/stm32_crc32.c lionel.debieve(a)st.com 2018-06-26 201 pm_runtime_put_autosuspend(crc->dev); 73463ade0a57d2c drivers/crypto/stm32/stm32_crc32.c lionel.debieve(a)st.com 2018-06-26 202 b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 203 return 0; b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 204 } b51dbe90912a0ce drivers/crypto/stm32/stm32_crc32.c Fabien DESSENNE 2017-03-21 205 :::::: The code at line 128 was first introduced by commit :::::: 49c2c082e00e0bc4f5cbb7c21c7f0f873b35ab09 crypto: stm32/crc32 - fix ext4 chksum BUG_ON() :::::: TO: Nicolas Toromanoff <nicolas.toromanoff(a)st.com&gt; :::::: CC: Herbert Xu <herbert(a)gondor.apana.org.au&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org