linux-kernel - Re: [PATCH v1 12/13] mfd: intel-lpss: Pass SDA hold time to I2C host controller driver

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Date:	Tue, 24 Nov 2015 18:50:04 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	kbuild-all@...org, "Rafael J. Wysocki" <rjw@...ysocki.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
	linux-i2c@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Kevin Fenzi <kevin@...ye.com>, Arnd Bergmann <arnd@...db.de>,
	Wolfram Sang <wsa@...-dreams.de>,
	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: Re: [PATCH v1 12/13] mfd: intel-lpss: Pass SDA hold time to I2C host
 controller driver

Hi Mika,

[auto build test ERROR on v4.4-rc2]
[also build test ERROR on next-20151124]
[cannot apply to ljones-mfd/for-mfd-next]

url:    https://github.com/0day-ci/linux/commits/Andy-Shevchenko/device-property-always-check-for-fwnode-type/20151124-183221
config: x86_64-randconfig-x019-11241713 (attached as .config)
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

   drivers/mfd/intel-lpss-pci.c:68:30: error: array type has incomplete element type 'struct property_entry'
    static struct property_entry spt_i2c_properties[] = {
                                 ^
   drivers/mfd/intel-lpss-pci.c:69:2: error: implicit declaration of function 'PROPERTY_ENTRY_U32' [-Werror=implicit-function-declaration]
     PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),
     ^
>> drivers/mfd/intel-lpss-pci.c:73:15: error: variable 'spt_i2c_pset' has initializer but incomplete type
    static struct property_set spt_i2c_pset = {
                  ^
   drivers/mfd/intel-lpss-pci.c:74:2: error: unknown field 'properties' specified in initializer
     .properties = spt_i2c_properties,
     ^
   drivers/mfd/intel-lpss-pci.c:74:16: warning: excess elements in struct initializer
     .properties = spt_i2c_properties,
                   ^
   drivers/mfd/intel-lpss-pci.c:74:16: note: (near initialization for 'spt_i2c_pset')
   drivers/mfd/intel-lpss-pci.c:82:30: error: array type has incomplete element type 'struct property_entry'
    static struct property_entry uart_properties[] = {
                                 ^
   drivers/mfd/intel-lpss-pci.c:85:2: error: implicit declaration of function 'PROPERTY_ENTRY_U8' [-Werror=implicit-function-declaration]
     PROPERTY_ENTRY_U8("snps,uart-16550-compatible", 1),
     ^
   drivers/mfd/intel-lpss-pci.c:89:15: error: variable 'uart_pset' has initializer but incomplete type
    static struct property_set uart_pset = {
                  ^
   drivers/mfd/intel-lpss-pci.c:90:2: error: unknown field 'properties' specified in initializer
     .properties = uart_properties,
     ^
   drivers/mfd/intel-lpss-pci.c:90:16: warning: excess elements in struct initializer
     .properties = uart_properties,
                   ^
   drivers/mfd/intel-lpss-pci.c:90:16: note: (near initialization for 'uart_pset')
>> drivers/mfd/intel-lpss-pci.c:68:30: warning: 'spt_i2c_properties' defined but not used [-Wunused-variable]
    static struct property_entry spt_i2c_properties[] = {
                                 ^
   drivers/mfd/intel-lpss-pci.c:82:30: warning: 'uart_properties' defined but not used [-Wunused-variable]
    static struct property_entry uart_properties[] = {
                                 ^
   cc1: some warnings being treated as errors

vim +/spt_i2c_pset +73 drivers/mfd/intel-lpss-pci.c

    62	static INTEL_LPSS_PM_OPS(intel_lpss_pci_pm_ops);
    63	
    64	static const struct intel_lpss_platform_info spt_info = {
    65		.clk_rate = 120000000,
    66	};
    67	
  > 68	static struct property_entry spt_i2c_properties[] = {
    69		PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 230),
    70		{ },
    71	};
    72	
  > 73	static struct property_set spt_i2c_pset = {
    74		.properties = spt_i2c_properties,
    75	};
    76	
    77	static const struct intel_lpss_platform_info spt_i2c_info = {
    78		.clk_rate = 120000000,
    79		.pset = &spt_i2c_pset,
    80	};
    81	
    82	static struct property_entry uart_properties[] = {
    83		PROPERTY_ENTRY_U32("reg-io-width", 4),
    84		PROPERTY_ENTRY_U32("reg-shift", 2),
    85		PROPERTY_ENTRY_U8("snps,uart-16550-compatible", 1),
    86		{ },
    87	};
    88	
    89	static struct property_set uart_pset = {
  > 90		.properties = uart_properties,
    91	};
    92	
    93	static const struct intel_lpss_platform_info spt_uart_info = {

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