Re: [PATCH 7/7] mfd: intel_vuport: Add Intel virtual USB port MFD Driver

From: kbuild test robot
Date: Thu Mar 03 2016 - 20:11:56 EST


Hi Lu,

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v4.5-rc6 next-20160303]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Lu-Baolu/usb-add-support-for-Intel-dual-role-port-mux/20160303-144241
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: mn10300-allmodconfig (attached as .config)
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=mn10300

All error/warnings (new ones prefixed by >>):

drivers/mfd/intel-vuport.c: In function 'vuport_probe':
drivers/mfd/intel-vuport.c:39:17: warning: unused variable 'dev' [-Wunused-variable]
struct device *dev = &pdev->dev;
^
drivers/mfd/intel-vuport.c: At top level:
>> drivers/mfd/intel-vuport.c:63:1: warning: data definition has no type or storage class
MODULE_DEVICE_TABLE(acpi, vuport_acpi_match);
^
>> drivers/mfd/intel-vuport.c:63:1: error: type defaults to 'int' in declaration of 'MODULE_DEVICE_TABLE' [-Werror=implicit-int]
>> drivers/mfd/intel-vuport.c:63:1: warning: parameter names (without types) in function declaration
In file included from include/linux/acpi.h:27:0,
from drivers/mfd/intel-vuport.c:12:
include/linux/device.h:1337:1: 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/mfd/intel-vuport.c:75:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(vuport_driver);
^
include/linux/device.h:1337:1: 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/mfd/intel-vuport.c:75:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(vuport_driver);
^
drivers/mfd/intel-vuport.c:75:1: warning: parameter names (without types) in function declaration
In file included from include/linux/acpi.h:27:0,
from drivers/mfd/intel-vuport.c:12:
include/linux/device.h:1342:1: 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/mfd/intel-vuport.c:75:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(vuport_driver);
^
include/linux/device.h:1342:1: 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/mfd/intel-vuport.c:75:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(vuport_driver);
^
drivers/mfd/intel-vuport.c:75:1: warning: parameter names (without types) in function declaration
>> drivers/mfd/intel-vuport.c:77:15: error: expected declaration specifiers or '...' before string constant
MODULE_AUTHOR("Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>");
^
drivers/mfd/intel-vuport.c:78:20: error: expected declaration specifiers or '...' before string constant
MODULE_DESCRIPTION("Intel virtual USB port");
^
drivers/mfd/intel-vuport.c:79:16: error: expected declaration specifiers or '...' before string constant
MODULE_LICENSE("GPL v2");
^
drivers/mfd/intel-vuport.c:59:30: warning: 'vuport_acpi_match' defined but not used [-Wunused-variable]
static struct acpi_device_id vuport_acpi_match[] = {
^
In file included from include/linux/acpi.h:27:0,
from drivers/mfd/intel-vuport.c:12:
drivers/mfd/intel-vuport.c:75:24: warning: 'vuport_driver_init' defined but not used [-Wunused-function]
module_platform_driver(vuport_driver);
^
include/linux/device.h:1333:19: note: in definition of macro 'module_driver'
static int __init __driver##_init(void) \
^
drivers/mfd/intel-vuport.c:75:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(vuport_driver);
^
drivers/mfd/intel-vuport.c:75:24: warning: 'vuport_driver_exit' defined but not used [-Wunused-function]
module_platform_driver(vuport_driver);
^
include/linux/device.h:1338:20: note: in definition of macro 'module_driver'
static void __exit __driver##_exit(void) \
^
drivers/mfd/intel-vuport.c:75:1: note: in expansion of macro 'module_platform_driver'
module_platform_driver(vuport_driver);
^
cc1: some warnings being treated as errors

vim +63 drivers/mfd/intel-vuport.c

33 .name = "intel-mux-gpio",
34 },
35 };
36
37 static int vuport_probe(struct platform_device *pdev)
38 {
> 39 struct device *dev = &pdev->dev;
40 int ret;
41
42 ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(dev), acpi_usb_gpios);
43 if (ret)
44 return ret;
45
46 return mfd_add_devices(&pdev->dev, 0, intel_vuport_mfd_cells,
47 ARRAY_SIZE(intel_vuport_mfd_cells), NULL, 0,
48 NULL);
49 }
50
51 static int vuport_remove(struct platform_device *pdev)
52 {
53 mfd_remove_devices(&pdev->dev);
54 acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pdev->dev));
55
56 return 0;
57 }
58
59 static struct acpi_device_id vuport_acpi_match[] = {
60 { "INT3496" },
61 { }
62 };
> 63 MODULE_DEVICE_TABLE(acpi, vuport_acpi_match);
64
65 static struct platform_driver vuport_driver = {
66 .driver = {
67 .name = "intel-vuport",
68 .owner = THIS_MODULE,
69 .acpi_match_table = ACPI_PTR(vuport_acpi_match),
70 },
71 .probe = vuport_probe,
72 .remove = vuport_remove,
73 };
74
> 75 module_platform_driver(vuport_driver);
76
> 77 MODULE_AUTHOR("Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>");
78 MODULE_DESCRIPTION("Intel virtual USB port");
79 MODULE_LICENSE("GPL v2");

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