Hi Anson, Thank you for the patch! Yet something to improve: [auto build test ERROR on pinctrl/devel] [cannot apply to v5.7] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Anson-Huang/Support-i-MX8-SoCs-pinctrl-drivers-built-as-module/20200609-223423 base: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git devel config: arm64-randconfig-r004-20200607 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>, old ones prefixed by <<): aarch64-linux-ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinctrl_sc_ipc_init': >> drivers/pinctrl/freescale/pinctrl-scu.c:43: undefined reference to `imx_scu_get_handle' aarch64-linux-ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinconf_get_scu': >> drivers/pinctrl/freescale/pinctrl-scu.c:62: undefined reference to `imx_scu_call_rpc' aarch64-linux-ld: drivers/pinctrl/freescale/pinctrl-scu.o: in function `imx_pinconf_set_scu': drivers/pinctrl/freescale/pinctrl-scu.c:100: undefined reference to `imx_scu_call_rpc' vim +43 drivers/pinctrl/freescale/pinctrl-scu.c b96eea718bf697 A.s. Dong 2018-10-30 40 b96eea718bf697 A.s. Dong 2018-10-30 41 int imx_pinctrl_sc_ipc_init(struct platform_device *pdev) b96eea718bf697 A.s. Dong 2018-10-30 42 { b96eea718bf697 A.s. Dong 2018-10-30 @43 return imx_scu_get_handle(&pinctrl_ipc_handle); b96eea718bf697 A.s. Dong 2018-10-30 44 } 3c8d42d4fdbf10 Anson Huang 2020-06-09 45 EXPORT_SYMBOL_GPL(imx_pinctrl_sc_ipc_init); b96eea718bf697 A.s. Dong 2018-10-30 46 b96eea718bf697 A.s. Dong 2018-10-30 47 int imx_pinconf_get_scu(struct pinctrl_dev *pctldev, unsigned pin_id, b96eea718bf697 A.s. Dong 2018-10-30 48 unsigned long *config) b96eea718bf697 A.s. Dong 2018-10-30 49 { b96eea718bf697 A.s. Dong 2018-10-30 50 struct imx_sc_msg_req_pad_get msg; b96eea718bf697 A.s. Dong 2018-10-30 51 struct imx_sc_msg_resp_pad_get *resp; b96eea718bf697 A.s. Dong 2018-10-30 52 struct imx_sc_rpc_msg *hdr = &msg.hdr; b96eea718bf697 A.s. Dong 2018-10-30 53 int ret; b96eea718bf697 A.s. Dong 2018-10-30 54 b96eea718bf697 A.s. Dong 2018-10-30 55 hdr->ver = IMX_SC_RPC_VERSION; b96eea718bf697 A.s. Dong 2018-10-30 56 hdr->svc = IMX_SC_RPC_SVC_PAD; b96eea718bf697 A.s. Dong 2018-10-30 57 hdr->func = IMX_SC_PAD_FUNC_GET; b96eea718bf697 A.s. Dong 2018-10-30 58 hdr->size = 2; b96eea718bf697 A.s. Dong 2018-10-30 59 b96eea718bf697 A.s. Dong 2018-10-30 60 msg.pad = pin_id; b96eea718bf697 A.s. Dong 2018-10-30 61 b96eea718bf697 A.s. Dong 2018-10-30 @62 ret = imx_scu_call_rpc(pinctrl_ipc_handle, &msg, true); b96eea718bf697 A.s. Dong 2018-10-30 63 if (ret) b96eea718bf697 A.s. Dong 2018-10-30 64 return ret; b96eea718bf697 A.s. Dong 2018-10-30 65 b96eea718bf697 A.s. Dong 2018-10-30 66 resp = (struct imx_sc_msg_resp_pad_get *)&msg; b96eea718bf697 A.s. Dong 2018-10-30 67 *config = resp->val; b96eea718bf697 A.s. Dong 2018-10-30 68 b96eea718bf697 A.s. Dong 2018-10-30 69 return 0; b96eea718bf697 A.s. Dong 2018-10-30 70 } 3c8d42d4fdbf10 Anson Huang 2020-06-09 71 EXPORT_SYMBOL_GPL(imx_pinconf_get_scu); b96eea718bf697 A.s. Dong 2018-10-30 72 :::::: The code at line 43 was first introduced by commit :::::: b96eea718bf697e4a490c2fabfb89995b9193c21 pinctrl: fsl: add scu based pinctrl support :::::: TO: A.s. Dong <aisheng.dong@xxxxxxx> :::::: CC: Linus Walleij <linus.walleij@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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