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-x008-201702 (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/nfcmrvl/fw_dnld.c: In function 'process_state_fw_dnld': >> drivers/nfc/nfcmrvl/fw_dnld.c:287:9: error: implicit declaration of function 'get_unaligned_le16' [-Werror=implicit-function-declaration] len = get_unaligned_le16(&len); ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors -- drivers/nfc/nxp-nci/firmware.c: In function 'nxp_nci_fw_send_chunk': >> drivers/nfc/nxp-nci/firmware.c:124:2: error: implicit declaration of function 'put_unaligned_be16' [-Werror=implicit-function-declaration] put_unaligned_be16(header, skb_put(skb, NXP_NCI_FW_HDR_LEN)); ^~~~~~~~~~~~~~~~~~ drivers/nfc/nxp-nci/firmware.c: In function 'nxp_nci_fw_send': >> drivers/nfc/nxp-nci/firmware.c:151:25: error: implicit declaration of function 'get_unaligned_be16' [-Werror=implicit-function-declaration] fw_info->frame_size = get_unaligned_be16(fw_info->data) & ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/get_unaligned_le16 +287 drivers/nfc/nfcmrvl/fw_dnld.c 3194c687 Vincent Cuissard 2015-10-26 281 } 3194c687 Vincent Cuissard 2015-10-26 282 skb_pull(skb, 1); 3194c687 Vincent Cuissard 2015-10-26 283 memcpy(&len, skb->data, 2); 3194c687 Vincent Cuissard 2015-10-26 284 skb_pull(skb, 2); 3194c687 Vincent Cuissard 2015-10-26 285 memcpy(&comp_len, skb->data, 2); 3194c687 Vincent Cuissard 2015-10-26 286 skb_pull(skb, 2); 3194c687 Vincent Cuissard 2015-10-26 @287 len = get_unaligned_le16(&len); 3194c687 Vincent Cuissard 2015-10-26 288 comp_len = get_unaligned_le16(&comp_len); 3194c687 Vincent Cuissard 2015-10-26 289 if (((~len) & 0xFFFF) != comp_len) { 3194c687 Vincent Cuissard 2015-10-26 290 nfc_err(priv->dev, "bad len complement: %x %x %x", :::::: The code at line 287 was first introduced by commit :::::: 3194c6870158e305dac2af52f83681e9cb67280f NFC: nfcmrvl: add firmware download support :::::: TO: Vincent Cuissard <cuissard@xxxxxxxxxxx> :::::: 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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