drivers/soc/renesas/renesas-soc.c:395:28: warning: Uninitialized struct member: id.offset [uninitStructMember]

drivers/soc/renesas/renesas-soc.c:395:28: warning: Uninitialized struct member: id.offset [uninitStructMember]

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 3729 bytes --]

CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Geert Uytterhoeven <geert+renesas@glider.be>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   1d1df41c5a33359a00e919d54eaebfb789711fdc
commit: 05b22caa7490e4f4c94bbde33c61cf72d187b8f7 soc: renesas: Consolidate product register handling
date:   7 weeks ago
:::::: branch date: 27 hours ago
:::::: commit date: 7 weeks ago
compiler: sparc64-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/soc/renesas/renesas-soc.c:395:28: warning: Uninitialized struct member: id.offset [uninitStructMember]
     product = readl(chipid + id->offset);
                              ^

vim +395 drivers/soc/renesas/renesas-soc.c

05b22caa7490e4 Geert Uytterhoeven 2021-11-10  361  
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  362  static int __init renesas_soc_init(void)
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  363  {
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  364  	struct soc_device_attribute *soc_dev_attr;
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  365  	unsigned int product, eshi = 0, eslo;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  366  	const struct renesas_family *family;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  367  	const struct of_device_id *match;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  368  	const struct renesas_soc *soc;
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  369  	const struct renesas_id *id;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  370  	void __iomem *chipid = NULL;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  371  	struct soc_device *soc_dev;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  372  	struct device_node *np;
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  373  	const char *soc_id;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  374  
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  375  	match = of_match_node(renesas_socs, of_root);
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  376  	if (!match)
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  377  		return -ENODEV;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  378  
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  379  	soc_id = strchr(match->compatible, ',') + 1;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  380  	soc = match->data;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  381  	family = soc->family;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  382  
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  383  	np = of_find_matching_node_and_match(NULL, renesas_ids, &match);
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  384  	if (np) {
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  385  		id = match->data;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  386  		chipid = of_iomap(np, 0);
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  387  		of_node_put(np);
4194b583c10492 Geert Uytterhoeven 2019-10-16  388  	} else if (soc->id && family->reg) {
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  389  		/* Try hardcoded CCCR/PRR fallback */
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  390  		id = &id_prr;
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  391  		chipid = ioremap(family->reg, 4);
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  392  	}
05b22caa7490e4 Geert Uytterhoeven 2021-11-10  393  
8d6799a9ba23ac Geert Uytterhoeven 2016-11-14  394  	if (chipid) {
05b22caa7490e4 Geert Uytterhoeven 2021-11-10 @395  		product = readl(chipid + id->offset);

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