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Date: Fri, 21 Jan 2022 01:35:54 +0800
From: kernel test robot <lkp@...el.com>
To: Laurent Vivier <laurent@...ier.eu>, linux-kernel@...r.kernel.org
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
Alessandro Zummo <a.zummo@...ertech.it>,
linux-rtc@...r.kernel.org, John Stultz <john.stultz@...aro.org>,
Arnd Bergmann <arnd@...db.de>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Jiaxun Yang <jiaxun.yang@...goat.com>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
linux-m68k@...ts.linux-m68k.org,
Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v11 3/5] rtc: goldfish: use gf_ioread32()/gf_iowrite32()
Hi Laurent,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/timers/core]
[also build test ERROR on linux/master linus/master v5.16 next-20220120]
[cannot apply to geert-m68k/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Laurent-Vivier/m68k-Add-Virtual-M68k-Machine/20220120-160832
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 35e13e9da9afbce13c1d36465504ece4e65f24fe
config: riscv-randconfig-r042-20220120 (https://download.01.org/0day-ci/archive/20220121/202201210103.XWJt8hcA-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project f7b7138a62648f4019c55e4671682af1f851f295)
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
# install riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/0day-ci/linux/commit/82ea64fc7cab43e258085769ed1d90b0685bf091
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Laurent-Vivier/m68k-Add-Virtual-M68k-Machine/20220120-160832
git checkout 82ea64fc7cab43e258085769ed1d90b0685bf091
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/rtc/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/rtc/rtc-goldfish.c:44:18: error: implicit declaration of function 'gf_ioread32' [-Werror,-Wimplicit-function-declaration]
rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW);
^
drivers/rtc/rtc-goldfish.c:44:18: note: did you mean 'ioread32'?
include/asm-generic/io.h:726:19: note: 'ioread32' declared here
static inline u32 ioread32(const volatile void __iomem *addr)
^
include/asm-generic/io.h:725:18: note: expanded from macro 'ioread32'
#define ioread32 ioread32
^
>> drivers/rtc/rtc-goldfish.c:74:3: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
^
drivers/rtc/rtc-goldfish.c:74:3: note: did you mean 'iowrite32'?
include/asm-generic/io.h:760:20: note: 'iowrite32' declared here
static inline void iowrite32(u32 value, volatile void __iomem *addr)
^
include/asm-generic/io.h:759:19: note: expanded from macro 'iowrite32'
#define iowrite32 iowrite32
^
drivers/rtc/rtc-goldfish.c:83:20: error: implicit declaration of function 'gf_ioread32' [-Werror,-Wimplicit-function-declaration]
rtc_status_reg = gf_ioread32(base + TIMER_ALARM_STATUS);
^
drivers/rtc/rtc-goldfish.c:85:4: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32(1, base + TIMER_CLEAR_ALARM);
^
drivers/rtc/rtc-goldfish.c:101:3: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
^
drivers/rtc/rtc-goldfish.c:113:2: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32(1, base + TIMER_CLEAR_INTERRUPT);
^
drivers/rtc/rtc-goldfish.c:131:13: error: implicit declaration of function 'gf_ioread32' [-Werror,-Wimplicit-function-declaration]
time_low = gf_ioread32(base + TIMER_TIME_LOW);
^
drivers/rtc/rtc-goldfish.c:152:2: error: implicit declaration of function 'gf_iowrite32' [-Werror,-Wimplicit-function-declaration]
gf_iowrite32((now64 >> 32), base + TIMER_TIME_HIGH);
^
8 errors generated.
vim +/gf_ioread32 +44 drivers/rtc/rtc-goldfish.c
31
32 static int goldfish_rtc_read_alarm(struct device *dev,
33 struct rtc_wkalrm *alrm)
34 {
35 u64 rtc_alarm;
36 u64 rtc_alarm_low;
37 u64 rtc_alarm_high;
38 void __iomem *base;
39 struct goldfish_rtc *rtcdrv;
40
41 rtcdrv = dev_get_drvdata(dev);
42 base = rtcdrv->base;
43
> 44 rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW);
45 rtc_alarm_high = gf_ioread32(base + TIMER_ALARM_HIGH);
46 rtc_alarm = (rtc_alarm_high << 32) | rtc_alarm_low;
47
48 do_div(rtc_alarm, NSEC_PER_SEC);
49 memset(alrm, 0, sizeof(struct rtc_wkalrm));
50
51 rtc_time64_to_tm(rtc_alarm, &alrm->time);
52
53 if (gf_ioread32(base + TIMER_ALARM_STATUS))
54 alrm->enabled = 1;
55 else
56 alrm->enabled = 0;
57
58 return 0;
59 }
60
61 static int goldfish_rtc_set_alarm(struct device *dev,
62 struct rtc_wkalrm *alrm)
63 {
64 struct goldfish_rtc *rtcdrv;
65 u64 rtc_alarm64;
66 u64 rtc_status_reg;
67 void __iomem *base;
68
69 rtcdrv = dev_get_drvdata(dev);
70 base = rtcdrv->base;
71
72 if (alrm->enabled) {
73 rtc_alarm64 = rtc_tm_to_time64(&alrm->time) * NSEC_PER_SEC;
> 74 gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
75 gf_iowrite32(rtc_alarm64, base + TIMER_ALARM_LOW);
76 gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
77 } else {
78 /*
79 * if this function was called with enabled=0
80 * then it could mean that the application is
81 * trying to cancel an ongoing alarm
82 */
83 rtc_status_reg = gf_ioread32(base + TIMER_ALARM_STATUS);
84 if (rtc_status_reg)
85 gf_iowrite32(1, base + TIMER_CLEAR_ALARM);
86 }
87
88 return 0;
89 }
90
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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