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SubjectRe: [PATCH 3/5] powerpc: use time64_t in read_persistent_clock
Hi Arnd,

I love your patch! Yet something to improve:

[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.17-rc2 next-20180423]
[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/Arnd-Bergmann/powerpc-always-enable-RTC_LIB/20180423-223504
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc64-defconfig (attached as .config)
compiler: powerpc64-linux-gnu-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=powerpc64

All errors (new ones prefixed by >>):

arch/powerpc/platforms/maple/time.c: In function 'maple_get_boot_time':
>> arch/powerpc/platforms/maple/time.c:173:9: error: implicit declaration of function 'rtc_tm_to_time66'; did you mean 'rtc_tm_to_time64'? [-Werror=implicit-function-declaration]
return rtc_tm_to_time66(&tm);
^~~~~~~~~~~~~~~~
rtc_tm_to_time64
cc1: all warnings being treated as errors

vim +173 arch/powerpc/platforms/maple/time.c

139
140 time64_t __init maple_get_boot_time(void)
141 {
142 struct rtc_time tm;
143 struct device_node *rtcs;
144
145 rtcs = of_find_compatible_node(NULL, "rtc", "pnpPNP,b00");
146 if (rtcs) {
147 struct resource r;
148 if (of_address_to_resource(rtcs, 0, &r)) {
149 printk(KERN_EMERG "Maple: Unable to translate RTC"
150 " address\n");
151 goto bail;
152 }
153 if (!(r.flags & IORESOURCE_IO)) {
154 printk(KERN_EMERG "Maple: RTC address isn't PIO!\n");
155 goto bail;
156 }
157 maple_rtc_addr = r.start;
158 printk(KERN_INFO "Maple: Found RTC at IO 0x%x\n",
159 maple_rtc_addr);
160 }
161 bail:
162 if (maple_rtc_addr == 0) {
163 maple_rtc_addr = RTC_PORT(0); /* legacy address */
164 printk(KERN_INFO "Maple: No device node for RTC, assuming "
165 "legacy address (0x%x)\n", maple_rtc_addr);
166 }
167
168 rtc_iores.start = maple_rtc_addr;
169 rtc_iores.end = maple_rtc_addr + 7;
170 request_resource(&ioport_resource, &rtc_iores);
171
172 maple_get_rtc_time(&tm);
> 173 return rtc_tm_to_time66(&tm);
174 }
175

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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