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Message-ID: <202506081650.eFkFkBP7-lkp@intel.com>
Date: Sun, 8 Jun 2025 16:24:19 +0800
From: kernel test robot <lkp@...el.com>
To: Lukas Timmermann <linux@...mermann.space>, lee@...nel.org,
pavel@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
conor+dt@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, linux-leds@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux@...mermann.space
Subject: Re: [PATCH v4 2/2] leds: as3668: Driver for the ams Osram 4-channel
i2c LED driver
Hi Lukas,
kernel test robot noticed the following build warnings:
[auto build test WARNING on lee-leds/for-leds-next]
[also build test WARNING on linus/master v6.15 next-20250606]
[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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Lukas-Timmermann/dt-bindings-leds-Add-new-as3668-support/20250608-055330
base: https://git.kernel.org/pub/scm/linux/kernel/git/lee/leds.git for-leds-next
patch link: https://lore.kernel.org/r/20250607215049.29259-3-linux%40timmermann.space
patch subject: [PATCH v4 2/2] leds: as3668: Driver for the ams Osram 4-channel i2c LED driver
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20250608/202506081650.eFkFkBP7-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250608/202506081650.eFkFkBP7-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506081650.eFkFkBP7-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from include/linux/device.h:15,
from include/linux/acpi.h:14,
from include/linux/i2c.h:13,
from drivers/leds/leds-as3668.c:8:
drivers/leds/leds-as3668.c: In function 'as3668_write_value':
>> drivers/leds/leds-as3668.c:55:39: warning: format '%tx' expects argument of type 'unsigned ptrdiff_t', but argument 3 has type 'int' [-Wformat=]
55 | dev_err(&client->dev, "error writing to reg 0x%tx, returned %d", reg, err);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
110 | _p_func(dev, fmt, ##__VA_ARGS__); \
| ^~~
include/linux/dev_printk.h:154:56: note: in expansion of macro 'dev_fmt'
154 | dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/leds/leds-as3668.c:55:17: note: in expansion of macro 'dev_err'
55 | dev_err(&client->dev, "error writing to reg 0x%tx, returned %d", reg, err);
| ^~~~~~~
drivers/leds/leds-as3668.c:55:65: note: format string is defined here
55 | dev_err(&client->dev, "error writing to reg 0x%tx, returned %d", reg, err);
| ~~^
| |
| long unsigned int
| %x
drivers/leds/leds-as3668.c: In function 'as3668_probe':
drivers/leds/leds-as3668.c:133:62: warning: format '%tx' expects argument of type 'unsigned ptrdiff_t', but argument 4 has type 'int' [-Wformat=]
133 | "chip reported wrong id: 0x%tx\n", chip_id1);
| ~~^ ~~~~~~~~
| | |
| | int
| long unsigned int
| %x
drivers/leds/leds-as3668.c:137:23: error: implicit declaration of function 'FIELD_GET' [-Wimplicit-function-declaration]
137 | chip_serial = FIELD_GET(AS3668_CHIP_ID2_SERIAL_MASK, chip_id2);
| ^~~~~~~~~
In file included from include/linux/printk.h:616,
from include/asm-generic/bug.h:22,
from arch/alpha/include/asm/bug.h:23,
from include/linux/bug.h:5,
from include/linux/thread_info.h:13,
from include/asm-generic/preempt.h:5,
from ./arch/alpha/include/generated/asm/preempt.h:1,
from include/linux/preempt.h:79,
from include/linux/spinlock.h:56,
from include/linux/mmzone.h:8,
from include/linux/gfp.h:7,
from include/linux/slab.h:16,
from include/linux/resource_ext.h:11,
from include/linux/acpi.h:13:
drivers/leds/leds-as3668.c:145:17: warning: format '%tx' expects argument of type 'unsigned ptrdiff_t', but argument 4 has type 'int' [-Wformat=]
145 | "chip_id: 0x%tx | chip_id2: 0x%tx | chip_serial: 0x%tx | chip_rev: 0x%tx\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:224:29: note: in definition of macro '__dynamic_func_call_cls'
224 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:250:9: note: in expansion of macro '_dynamic_func_call_cls'
250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:273:9: note: in expansion of macro '_dynamic_func_call'
273 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:9: note: in expansion of macro 'dynamic_dev_dbg'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:30: note: in expansion of macro 'dev_fmt'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/leds/leds-as3668.c:144:9: note: in expansion of macro 'dev_dbg'
144 | dev_dbg(&client->dev,
| ^~~~~~~
drivers/leds/leds-as3668.c:145:31: note: format string is defined here
145 | "chip_id: 0x%tx | chip_id2: 0x%tx | chip_serial: 0x%tx | chip_rev: 0x%tx\n",
| ~~^
| |
| long unsigned int
| %x
drivers/leds/leds-as3668.c:145:17: warning: format '%tx' expects argument of type 'unsigned ptrdiff_t', but argument 5 has type 'int' [-Wformat=]
145 | "chip_id: 0x%tx | chip_id2: 0x%tx | chip_serial: 0x%tx | chip_rev: 0x%tx\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:224:29: note: in definition of macro '__dynamic_func_call_cls'
224 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:250:9: note: in expansion of macro '_dynamic_func_call_cls'
250 | _dynamic_func_call_cls(_DPRINTK_CLASS_DFLT, fmt, func, ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:273:9: note: in expansion of macro '_dynamic_func_call'
273 | _dynamic_func_call(fmt, __dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:9: note: in expansion of macro 'dynamic_dev_dbg'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:165:30: note: in expansion of macro 'dev_fmt'
165 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/leds/leds-as3668.c:144:9: note: in expansion of macro 'dev_dbg'
144 | dev_dbg(&client->dev,
| ^~~~~~~
drivers/leds/leds-as3668.c:145:49: note: format string is defined here
145 | "chip_id: 0x%tx | chip_id2: 0x%tx | chip_serial: 0x%tx | chip_rev: 0x%tx\n",
| ~~^
| |
| long unsigned int
| %x
drivers/leds/leds-as3668.c:145:17: warning: format '%tx' expects argument of type 'unsigned ptrdiff_t', but argument 6 has type 'int' [-Wformat=]
145 | "chip_id: 0x%tx | chip_id2: 0x%tx | chip_serial: 0x%tx | chip_rev: 0x%tx\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:224:29: note: in definition of macro '__dynamic_func_call_cls'
vim +55 drivers/leds/leds-as3668.c
49
50 static int as3668_write_value(struct i2c_client *client, u8 reg, u8 value)
51 {
52 int err = i2c_smbus_write_byte_data(client, reg, value);
53
54 if (err)
> 55 dev_err(&client->dev, "error writing to reg 0x%tx, returned %d", reg, err);
56
57 return err;
58 }
59
--
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https://github.com/intel/lkp-tests/wiki
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