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Date: Mon, 19 Dec 2016 09:57:43 +0800
From: kbuild test robot <lkp@...el.com>
To: Hans de Goede <hdegoede@...hat.com>
Cc: kbuild-all@...org, MyungJoo Ham <myungjoo.ham@...sung.com>,
Chanwoo Choi <cw00.choi@...sung.com>,
linux-kernel@...r.kernel.org,
David Cohen <david.a.cohen@...el.com>,
Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH] extcon: 3gpio: add driver for USB OTG port controlled by
3 GPIOs
Hi David,
[auto build test WARNING on chanwoo-extcon/extcon-next]
[also build test WARNING on v4.9 next-20161216]
[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/Hans-de-Goede/extcon-3gpio-add-driver-for-USB-OTG-port-controlled-by-3-GPIOs/20161219-082834
base: https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon.git extcon-next
config: alpha-allyesconfig (attached as .config)
compiler: alpha-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=alpha
All warnings (new ones prefixed by >>):
drivers/extcon/extcon-3gpio_otg.c:185:1: warning: data definition has no type or storage class
MODULE_DEVICE_TABLE(acpi, usb_otg_acpi_match);
^~~~~~~~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:185:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int]
drivers/extcon/extcon-3gpio_otg.c:185:1: warning: parameter names (without types) in function declaration
In file included from include/linux/acpi.h:27:0,
from drivers/extcon/extcon-3gpio_otg.c:21:
include/linux/device.h:1353:1: warning: data definition has no type or storage class
module_init(__driver##_init); \
^
include/linux/platform_device.h:228:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:197:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(usb_otg_driver);
^~~~~~~~~~~~~~~~~~~~~~
include/linux/device.h:1353:1: error: type defaults to 'int' in declaration of 'module_init' [-Werror=implicit-int]
module_init(__driver##_init); \
^
include/linux/platform_device.h:228:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:197:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(usb_otg_driver);
^~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from include/linux/list.h:8,
from include/linux/resource_ext.h:17,
from include/linux/acpi.h:26,
from drivers/extcon/extcon-3gpio_otg.c:21:
>> include/linux/export.h:37:30: warning: parameter names (without types) in function declaration
#define THIS_MODULE ((struct module *)0)
^
>> include/linux/platform_device.h:198:34: note: in expansion of macro 'THIS_MODULE'
__platform_driver_register(drv, THIS_MODULE)
^~~~~~~~~~~
>> include/linux/device.h:1351:9: note: in expansion of macro 'platform_driver_register'
return __register(&(__driver) , ##__VA_ARGS__); \
^~~~~~~~~~
include/linux/platform_device.h:228:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:197:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(usb_otg_driver);
^~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/acpi.h:27:0,
from drivers/extcon/extcon-3gpio_otg.c:21:
include/linux/device.h:1358:1: warning: data definition has no type or storage class
module_exit(__driver##_exit);
^
include/linux/platform_device.h:228:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:197:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(usb_otg_driver);
^~~~~~~~~~~~~~~~~~~~~~
include/linux/device.h:1358:1: error: type defaults to 'int' in declaration of 'module_exit' [-Werror=implicit-int]
module_exit(__driver##_exit);
^
include/linux/platform_device.h:228:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:197:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(usb_otg_driver);
^~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/linkage.h:6:0,
from include/linux/kernel.h:6,
from include/linux/list.h:8,
from include/linux/resource_ext.h:17,
from include/linux/acpi.h:26,
from drivers/extcon/extcon-3gpio_otg.c:21:
>> include/linux/export.h:37:30: warning: parameter names (without types) in function declaration
#define THIS_MODULE ((struct module *)0)
^
>> include/linux/platform_device.h:198:34: note: in expansion of macro 'THIS_MODULE'
__platform_driver_register(drv, THIS_MODULE)
^~~~~~~~~~~
>> include/linux/device.h:1351:9: note: in expansion of macro 'platform_driver_register'
return __register(&(__driver) , ##__VA_ARGS__); \
^~~~~~~~~~
include/linux/platform_device.h:228:2: note: in expansion of macro 'module_driver'
module_driver(__platform_driver, platform_driver_register, \
^~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:197:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(usb_otg_driver);
^~~~~~~~~~~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:199:15: error: expected declaration specifiers or '...' before string constant
MODULE_AUTHOR("Hans de Goede <hdegoede@...hat.com>");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:200:20: error: expected declaration specifiers or '...' before string constant
MODULE_DESCRIPTION("3 GPIO USB OTG extcon driver");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:201:16: error: expected declaration specifiers or '...' before string constant
MODULE_LICENSE("GPL");
^~~~~
In file included from include/linux/acpi.h:27:0,
from drivers/extcon/extcon-3gpio_otg.c:21:
drivers/extcon/extcon-3gpio_otg.c:197:24: warning: 'usb_otg_driver_init' defined but not used [-Wunused-function]
module_platform_driver(usb_otg_driver);
^
include/linux/device.h:1349:19: note: in definition of macro 'module_driver'
static int __init __driver##_init(void) \
^~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:197:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(usb_otg_driver);
^~~~~~~~~~~~~~~~~~~~~~
drivers/extcon/extcon-3gpio_otg.c:181:30: warning: 'usb_otg_acpi_match' defined but not used [-Wunused-variable]
static struct acpi_device_id usb_otg_acpi_match[] = {
^~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/THIS_MODULE +198 include/linux/platform_device.h
00d3dcdd Russell King 2005-11-09 182 int (*remove)(struct platform_device *);
00d3dcdd Russell King 2005-11-09 183 void (*shutdown)(struct platform_device *);
00d3dcdd Russell King 2005-11-09 184 int (*suspend)(struct platform_device *, pm_message_t state);
00d3dcdd Russell King 2005-11-09 185 int (*resume)(struct platform_device *);
00d3dcdd Russell King 2005-11-09 186 struct device_driver driver;
831fad2f Uwe Kleine-König 2010-01-26 187 const struct platform_device_id *id_table;
3f9120b0 Johan Hovold 2013-09-23 188 bool prevent_deferred_probe;
00d3dcdd Russell King 2005-11-09 189 };
00d3dcdd Russell King 2005-11-09 190
10dbc5e3 Rob Herring 2013-04-21 191 #define to_platform_driver(drv) (container_of((drv), struct platform_driver, \
10dbc5e3 Rob Herring 2013-04-21 192 driver))
10dbc5e3 Rob Herring 2013-04-21 193
9447057e Libo Chen 2013-05-25 194 /*
9447057e Libo Chen 2013-05-25 195 * use a macro to avoid include chaining to get THIS_MODULE
9447057e Libo Chen 2013-05-25 196 */
9447057e Libo Chen 2013-05-25 197 #define platform_driver_register(drv) \
9447057e Libo Chen 2013-05-25 @198 __platform_driver_register(drv, THIS_MODULE)
9447057e Libo Chen 2013-05-25 199 extern int __platform_driver_register(struct platform_driver *,
9447057e Libo Chen 2013-05-25 200 struct module *);
00d3dcdd Russell King 2005-11-09 201 extern void platform_driver_unregister(struct platform_driver *);
00d3dcdd Russell King 2005-11-09 202
c67334fb David Brownell 2006-11-16 203 /* non-hotpluggable platform devices may use this so that probe() and
c67334fb David Brownell 2006-11-16 204 * its support may live in __init sections, conserving runtime memory.
c67334fb David Brownell 2006-11-16 205 */
c3b50dc2 Wolfram Sang 2014-10-28 206 #define platform_driver_probe(drv, probe) \
:::::: The code at line 198 was first introduced by commit
:::::: 9447057eaff871dd7c63c808de761b8732407169 platform_device: use a macro instead of platform_driver_register
:::::: TO: Libo Chen <clbchenlibo.chen@...wei.com>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
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