Hi Paul, [auto build test ERROR on linus/master] [also build test ERROR on v4.10-rc3 next-20170106] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Paul-Gortmaker/nfc-don-t-be-making-arch-specific-unaligned-decisions-at-driver-level/20170109-082915 config: x86_64-randconfig-x014-201702 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/nfc/nxp-nci/i2c.c: In function 'nxp_nci_i2c_fw_read': >> drivers/nfc/nxp-nci/i2c.c:129:15: error: implicit declaration of function 'get_unaligned_be16' [-Werror=implicit-function-declaration] frame_len = (get_unaligned_be16(&header) & NXP_NCI_FW_FRAME_LEN_MASK) + ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/get_unaligned_be16 +129 drivers/nfc/nxp-nci/i2c.c 6be88670 Clément Perrochaud 2015-03-09 123 } else if (r != NXP_NCI_FW_HDR_LEN) { 6be88670 Clément Perrochaud 2015-03-09 124 nfc_err(&client->dev, "Incorrect header length: %u\n", r); 6be88670 Clément Perrochaud 2015-03-09 125 r = -EBADMSG; 6be88670 Clément Perrochaud 2015-03-09 126 goto fw_read_exit; 6be88670 Clément Perrochaud 2015-03-09 127 } 6be88670 Clément Perrochaud 2015-03-09 128 6be88670 Clément Perrochaud 2015-03-09 @129 frame_len = (get_unaligned_be16(&header) & NXP_NCI_FW_FRAME_LEN_MASK) + 6be88670 Clément Perrochaud 2015-03-09 130 NXP_NCI_FW_CRC_LEN; 6be88670 Clément Perrochaud 2015-03-09 131 6be88670 Clément Perrochaud 2015-03-09 132 *skb = alloc_skb(NXP_NCI_FW_HDR_LEN + frame_len, GFP_KERNEL); :::::: The code at line 129 was first introduced by commit :::::: 6be88670fc59d50426f90f734a36b90e1de7d148 NFC: nxp-nci_i2c: Add I2C support to NXP NCI driver :::::: TO: Clément Perrochaud <clement.perrochaud@xxxxxxx> :::::: CC: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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