* drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb'
@ 2025-10-24 0:05 kernel test robot
2025-10-24 5:49 ` Cryolitia PukNgae
0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2025-10-24 0:05 UTC (permalink / raw)
To: Cryolitia PukNgae; +Cc: oe-kbuild-all, linux-kernel, Guenter Roeck
Hi Cryolitia,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 266ee584e55eed108583ab4f45b5de734522502d
commit: 0ab88e2394392f475b8857ac82c0c987841217f8 hwmon: add GPD devices sensor driver
date: 6 weeks ago
config: i386-buildonly-randconfig-002-20251024 (https://download.01.org/0day-ci/archive/20251024/202510240817.vt3eQ3qL-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/202510240817.vt3eQ3qL-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510240817.vt3eQ3qL-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/hwmon/gpd-fan.c: In function 'gpd_ecram_read':
>> drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb' [-Wimplicit-function-declaration]
231 | outb(0x2E, addr_port);
| ^~~~
>> drivers/hwmon/gpd-fan.c:244:16: error: implicit declaration of function 'inb' [-Wimplicit-function-declaration]
244 | *val = inb(data_port);
| ^~~
vim +/outb +231 drivers/hwmon/gpd-fan.c
224
225 // Helper functions to handle EC read/write
226 static void gpd_ecram_read(u16 offset, u8 *val)
227 {
228 u16 addr_port = gpd_driver_priv.drvdata->addr_port;
229 u16 data_port = gpd_driver_priv.drvdata->data_port;
230
> 231 outb(0x2E, addr_port);
232 outb(0x11, data_port);
233 outb(0x2F, addr_port);
234 outb((u8)((offset >> 8) & 0xFF), data_port);
235
236 outb(0x2E, addr_port);
237 outb(0x10, data_port);
238 outb(0x2F, addr_port);
239 outb((u8)(offset & 0xFF), data_port);
240
241 outb(0x2E, addr_port);
242 outb(0x12, data_port);
243 outb(0x2F, addr_port);
> 244 *val = inb(data_port);
245 }
246
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb'
2025-10-24 0:05 drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb' kernel test robot
@ 2025-10-24 5:49 ` Cryolitia PukNgae
2025-10-27 10:22 ` Geert Uytterhoeven
0 siblings, 1 reply; 4+ messages in thread
From: Cryolitia PukNgae @ 2025-10-24 5:49 UTC (permalink / raw)
To: kernel test robot; +Cc: oe-kbuild-all, linux-kernel, Guenter Roeck
> Hi Cryolitia,
>
> FYI, the error/warning still remains.
>
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 266ee584e55eed108583ab4f45b5de734522502d
> commit: 0ab88e2394392f475b8857ac82c0c987841217f8 hwmon: add GPD devices sensor driver
> date: 6 weeks ago
> config: i386-buildonly-randconfig-002-20251024 (https://download.01.org/0day-ci/archive/20251024/202510240817.vt3eQ3qL-lkp@intel.com/config)
> compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/202510240817.vt3eQ3qL-lkp@intel.com/reproduce)
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202510240817.vt3eQ3qL-lkp@intel.com/
>
> All errors (new ones prefixed by >>):
>
> drivers/hwmon/gpd-fan.c: In function 'gpd_ecram_read':
>>> drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb' [-Wimplicit-function-declaration]
> 231 | outb(0x2E, addr_port);
> | ^~~~
>>> drivers/hwmon/gpd-fan.c:244:16: error: implicit declaration of function 'inb' [-Wimplicit-function-declaration]
> 244 | *val = inb(data_port);
> | ^~~
>
I don't understand...... I have already added CONFIG_HAS_IOPORT to depends. If this is not enough, what else should I do?
>
> vim +/outb +231 drivers/hwmon/gpd-fan.c
>
> 224
> 225 // Helper functions to handle EC read/write
> 226 static void gpd_ecram_read(u16 offset, u8 *val)
> 227 {
> 228 u16 addr_port = gpd_driver_priv.drvdata->addr_port;
> 229 u16 data_port = gpd_driver_priv.drvdata->data_port;
> 230
> > 231 outb(0x2E, addr_port);
> 232 outb(0x11, data_port);
> 233 outb(0x2F, addr_port);
> 234 outb((u8)((offset >> 8) & 0xFF), data_port);
> 235
> 236 outb(0x2E, addr_port);
> 237 outb(0x10, data_port);
> 238 outb(0x2F, addr_port);
> 239 outb((u8)(offset & 0xFF), data_port);
> 240
> 241 outb(0x2E, addr_port);
> 242 outb(0x12, data_port);
> 243 outb(0x2F, addr_port);
> > 244 *val = inb(data_port);
> 245 }
> 246
>
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb'
2025-10-24 5:49 ` Cryolitia PukNgae
@ 2025-10-27 10:22 ` Geert Uytterhoeven
2025-10-28 2:13 ` Cryolitia PukNgae
0 siblings, 1 reply; 4+ messages in thread
From: Geert Uytterhoeven @ 2025-10-27 10:22 UTC (permalink / raw)
To: Cryolitia PukNgae
Cc: kernel test robot, oe-kbuild-all, linux-kernel, Guenter Roeck
Hi Cryolitia,
On Sat, 25 Oct 2025 at 15:49, Cryolitia PukNgae <cryolitia@uniontech.com> wrote:
> > FYI, the error/warning still remains.
> >
> > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head: 266ee584e55eed108583ab4f45b5de734522502d
> > commit: 0ab88e2394392f475b8857ac82c0c987841217f8 hwmon: add GPD devices sensor driver
> > date: 6 weeks ago
> > config: i386-buildonly-randconfig-002-20251024 (https://download.01.org/0day-ci/archive/20251024/202510240817.vt3eQ3qL-lkp@intel.com/config)
> > compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/202510240817.vt3eQ3qL-lkp@intel.com/reproduce)
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202510240817.vt3eQ3qL-lkp@intel.com/
> >
> > All errors (new ones prefixed by >>):
> >
> > drivers/hwmon/gpd-fan.c: In function 'gpd_ecram_read':
> >>> drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb' [-Wimplicit-function-declaration]
> > 231 | outb(0x2E, addr_port);
> > | ^~~~
> >>> drivers/hwmon/gpd-fan.c:244:16: error: implicit declaration of function 'inb' [-Wimplicit-function-declaration]
> > 244 | *val = inb(data_port);
> > | ^~~
> >
>
> I don't understand...... I have already added CONFIG_HAS_IOPORT to depends. If this is not enough, what else should I do?
Missing #include <linux/io.h>?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb'
2025-10-27 10:22 ` Geert Uytterhoeven
@ 2025-10-28 2:13 ` Cryolitia PukNgae
0 siblings, 0 replies; 4+ messages in thread
From: Cryolitia PukNgae @ 2025-10-28 2:13 UTC (permalink / raw)
To: Geert Uytterhoeven
Cc: kernel test robot, oe-kbuild-all, linux-kernel, Guenter Roeck
> Hi Cryolitia,
>
> On Sat, 25 Oct 2025 at 15:49, Cryolitia PukNgae <cryolitia@uniontech.com> wrote:
>>> FYI, the error/warning still remains.
>>>
>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>>> head: 266ee584e55eed108583ab4f45b5de734522502d
>>> commit: 0ab88e2394392f475b8857ac82c0c987841217f8 hwmon: add GPD devices sensor driver
>>> date: 6 weeks ago
>>> config: i386-buildonly-randconfig-002-20251024 (https://download.01.org/0day-ci/archive/20251024/202510240817.vt3eQ3qL-lkp@intel.com/config)
>>> compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
>>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251024/202510240817.vt3eQ3qL-lkp@intel.com/reproduce)
>>>
>>> If you fix the issue in a separate patch/commit (i.e. not just a new version of
>>> the same patch/commit), kindly add following tags
>>> | Reported-by: kernel test robot <lkp@intel.com>
>>> | Closes: https://lore.kernel.org/oe-kbuild-all/202510240817.vt3eQ3qL-lkp@intel.com/
>>>
>>> All errors (new ones prefixed by >>):
>>>
>>> drivers/hwmon/gpd-fan.c: In function 'gpd_ecram_read':
>>>>> drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb' [-Wimplicit-function-declaration]
>>> 231 | outb(0x2E, addr_port);
>>> | ^~~~
>>>>> drivers/hwmon/gpd-fan.c:244:16: error: implicit declaration of function 'inb' [-Wimplicit-function-declaration]
>>> 244 | *val = inb(data_port);
>>> | ^~~
>>>
>>
>> I don't understand...... I have already added CONFIG_HAS_IOPORT to depends. If this is not enough, what else should I do?
>
> Missing #include <linux/io.h>?
>
> Gr{oetje,eeting}s,
>
> Geert
>
It has been fixed[1] a little earlier, thanks for your help
1. https://lore.kernel.org/all/20251024202042.752160-1-krishnagopi487@gmail.com/
Greetings,
Cryolitia
^ permalink raw reply [flat|nested] 4+ messages in thread
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2025-10-24 0:05 drivers/hwmon/gpd-fan.c:231:9: error: implicit declaration of function 'outb' kernel test robot
2025-10-24 5:49 ` Cryolitia PukNgae
2025-10-27 10:22 ` Geert Uytterhoeven
2025-10-28 2:13 ` Cryolitia PukNgae
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