Hi Michel, Thank you for the patch! Yet something to improve: [auto build test ERROR on renesas/devel] [also build test ERROR on v4.16-rc7 next-20180329] [cannot apply to robh/for-next power-supply/for-next] [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/Michel-Pollet/arm-Base-support-for-Renesas-RZN1D-DB-Board/20180330-103029 base: https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git devel config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: 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 make.cross ARCH=arm All error/warnings (new ones prefixed by >>): drivers/power/reset/rzn1-reboot.c: In function 'rzn1_reboot_probe': >> drivers/power/reset/rzn1-reboot.c:70:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (!parent || !parent->of_node) ^~ drivers/power/reset/rzn1-reboot.c:72:3: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' return -ENODEV; ^~~~~~ drivers/power/reset/rzn1-reboot.c:66:6: warning: unused variable 'err' [-Wunused-variable] int err; ^~~ drivers/power/reset/rzn1-reboot.c: At top level: >> drivers/power/reset/rzn1-reboot.c:74:2: warning: data definition has no type or storage class sysctrl = syscon_node_to_regmap(parent->of_node); ^~~~~~~ >> drivers/power/reset/rzn1-reboot.c:74:2: error: type defaults to 'int' in declaration of 'sysctrl' [-Werror=implicit-int] >> drivers/power/reset/rzn1-reboot.c:74:2: error: conflicting types for 'sysctrl' drivers/power/reset/rzn1-reboot.c:37:23: note: previous declaration of 'sysctrl' was here static struct regmap *sysctrl; ^~~~~~~ >> drivers/power/reset/rzn1-reboot.c:74:34: error: 'parent' undeclared here (not in a function); did you mean 'pte_t'? sysctrl = syscon_node_to_regmap(parent->of_node); ^~~~~~ pte_t >> drivers/power/reset/rzn1-reboot.c:75:2: error: expected identifier or '(' before 'if' if (IS_ERR(sysctrl)) { ^~ drivers/power/reset/rzn1-reboot.c:79:2: warning: data definition has no type or storage class err = register_restart_handler(&rzn1_reboot_nb); ^~~ >> drivers/power/reset/rzn1-reboot.c:79:2: error: type defaults to 'int' in declaration of 'err' [-Werror=implicit-int] >> drivers/power/reset/rzn1-reboot.c:79:8: error: initializer element is not constant err = register_restart_handler(&rzn1_reboot_nb); ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/power/reset/rzn1-reboot.c:80:2: error: expected identifier or '(' before 'if' if (err) { ^~ >> drivers/power/reset/rzn1-reboot.c:85:2: error: expected identifier or '(' before 'return' return err; ^~~~~~ >> drivers/power/reset/rzn1-reboot.c:86:1: error: expected identifier or '(' before '}' token } ^ cc1: some warnings being treated as errors vim +74 drivers/power/reset/rzn1-reboot.c a673cd20 Michel Pollet 2018-03-29 63 a673cd20 Michel Pollet 2018-03-29 64 static int rzn1_reboot_probe(struct platform_device *pdev) a673cd20 Michel Pollet 2018-03-29 65 { a673cd20 Michel Pollet 2018-03-29 @66 int err; a673cd20 Michel Pollet 2018-03-29 67 struct device *parent; a673cd20 Michel Pollet 2018-03-29 68 a673cd20 Michel Pollet 2018-03-29 69 parent = pdev->dev.parent; a673cd20 Michel Pollet 2018-03-29 @70 if (!parent || !parent->of_node) a673cd20 Michel Pollet 2018-03-29 71 dev_err(&pdev->dev, "couldn't find sysctrl node\n"); a673cd20 Michel Pollet 2018-03-29 @72 return -ENODEV; a673cd20 Michel Pollet 2018-03-29 73 } a673cd20 Michel Pollet 2018-03-29 @74 sysctrl = syscon_node_to_regmap(parent->of_node); a673cd20 Michel Pollet 2018-03-29 @75 if (IS_ERR(sysctrl)) { a673cd20 Michel Pollet 2018-03-29 76 dev_err(&pdev->dev, "couldn't find find regmap\n"); a673cd20 Michel Pollet 2018-03-29 77 return PTR_ERR(sysctrl); a673cd20 Michel Pollet 2018-03-29 78 } a673cd20 Michel Pollet 2018-03-29 @79 err = register_restart_handler(&rzn1_reboot_nb); a673cd20 Michel Pollet 2018-03-29 80 if (err) { a673cd20 Michel Pollet 2018-03-29 81 dev_err(&pdev->dev, "register restart handler failed(err=%d)\n", a673cd20 Michel Pollet 2018-03-29 82 err); a673cd20 Michel Pollet 2018-03-29 83 } a673cd20 Michel Pollet 2018-03-29 84 a673cd20 Michel Pollet 2018-03-29 @85 return err; a673cd20 Michel Pollet 2018-03-29 @86 } a673cd20 Michel Pollet 2018-03-29 87 :::::: The code at line 74 was first introduced by commit :::::: a673cd202aba1924128e65ccd880b1eb5201c559 reset: Renesas RZ/N1 reboot driver :::::: TO: Michel Pollet :::::: CC: 0day robot --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation