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Date:   Mon, 3 Feb 2020 08:15:48 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     kbuild-all@...ts.01.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ajay Gupta <ajayg@...dia.com>,
        "David S. Miller" <davem@...emloft.net>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Iyappan Subramanian <iyappan@...amperecomputing.com>,
        Keyur Chudgar <keyur@...amperecomputing.com>,
        Quan Nguyen <quan@...amperecomputing.com>,
        Steve Glendinning <steve.glendinning@...well.net>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net] device property: change device_get_phy_mode() to
 prevent signedess bugs

Hi Dan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net/master]
[also build test ERROR on driver-core/driver-core-testing linus/master v5.5 next-20200131]
[cannot apply to sparc-next/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Dan-Carpenter/device-property-change-device_get_phy_mode-to-prevent-signedess-bugs/20200203-043126
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git b7c3a17c6062701d97a0959890a2c882bfaac537
config: x86_64-defconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

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

   In file included from include/linux/ethtool.h:18:0,
                    from include/linux/phy.h:16,
                    from include/linux/property.h:15,
                    from include/linux/of.h:22,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from drivers/gpu/drm/i915/i915_drv.c:30:
>> include/uapi/linux/ethtool.h:1668:20: error: expected identifier before numeric constant
    #define PORT_NONE  0xef
                       ^
>> drivers/gpu/drm/i915/display/intel_display.h:190:2: note: in expansion of macro 'PORT_NONE'
     PORT_NONE = -1,
     ^~~~~~~~~
   In file included from drivers/gpu/drm/i915/display/intel_bw.h:11:0,
                    from drivers/gpu/drm/i915/i915_drv.c:51:
   drivers/gpu/drm/i915/display/intel_display.h: In function 'port_identifier':
>> drivers/gpu/drm/i915/display/intel_display.h:214:7: error: 'PORT_A' undeclared (first use in this function); did you mean 'PORT_DA'?
     case PORT_A:
          ^~~~~~
          PORT_DA
   drivers/gpu/drm/i915/display/intel_display.h:214:7: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/i915/display/intel_display.h:216:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_A'?
     case PORT_B:
          ^~~~~~
          PORT_A
>> drivers/gpu/drm/i915/display/intel_display.h:218:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_C:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display.h:220:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_C'?
     case PORT_D:
          ^~~~~~
          PORT_C
>> drivers/gpu/drm/i915/display/intel_display.h:222:7: error: 'PORT_E' undeclared (first use in this function); did you mean 'PORT_D'?
     case PORT_E:
          ^~~~~~
          PORT_D
>> drivers/gpu/drm/i915/display/intel_display.h:224:7: error: 'PORT_F' undeclared (first use in this function); did you mean 'PORT_E'?
     case PORT_F:
          ^~~~~~
          PORT_E
>> drivers/gpu/drm/i915/display/intel_display.h:226:7: error: 'PORT_G' undeclared (first use in this function); did you mean 'PORT_F'?
     case PORT_G:
          ^~~~~~
          PORT_F
>> drivers/gpu/drm/i915/display/intel_display.h:228:7: error: 'PORT_H' undeclared (first use in this function); did you mean 'PORT_G'?
     case PORT_H:
          ^~~~~~
          PORT_G
>> drivers/gpu/drm/i915/display/intel_display.h:230:7: error: 'PORT_I' undeclared (first use in this function); did you mean 'PORT_H'?
     case PORT_I:
          ^~~~~~
          PORT_H
   In file included from drivers/gpu/drm/i915/display/intel_display_types.h:46:0,
                    from drivers/gpu/drm/i915/i915_drv.c:53:
   drivers/gpu/drm/i915/i915_drv.h: At top level:
>> drivers/gpu/drm/i915/i915_drv.h:726:41: error: 'I915_MAX_PORTS' undeclared here (not in a function); did you mean 'I915_MAX_PHYS'?
     struct ddi_vbt_port_info ddi_port_info[I915_MAX_PORTS];
                                            ^~~~~~~~~~~~~~
                                            I915_MAX_PHYS
   In file included from drivers/gpu/drm/i915/i915_drv.c:53:0:
   drivers/gpu/drm/i915/display/intel_display_types.h: In function 'vlv_dport_to_channel':
>> drivers/gpu/drm/i915/display/intel_display_types.h:1386:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_BNC'?
     case PORT_B:
          ^~~~~~
          PORT_BNC
>> drivers/gpu/drm/i915/display/intel_display_types.h:1387:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_D:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display_types.h:1389:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_D'?
     case PORT_C:
          ^~~~~~
          PORT_D
   drivers/gpu/drm/i915/display/intel_display_types.h: In function 'vlv_dport_to_phy':
   drivers/gpu/drm/i915/display/intel_display_types.h:1400:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_BNC'?
     case PORT_B:
          ^~~~~~
          PORT_BNC
>> drivers/gpu/drm/i915/display/intel_display_types.h:1401:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_C:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display_types.h:1403:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_C'?
     case PORT_D:
          ^~~~~~
          PORT_C
--
   In file included from include/linux/ethtool.h:18:0,
                    from include/linux/phy.h:16,
                    from include/linux/property.h:15,
                    from include/linux/of.h:22,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from include/linux/i2c.h:13,
                    from drivers/gpu/drm/i915/display/intel_display_types.h:30,
                    from drivers/gpu/drm/i915/i915_irq.c:39:
>> include/uapi/linux/ethtool.h:1668:20: error: expected identifier before numeric constant
    #define PORT_NONE  0xef
                       ^
>> drivers/gpu/drm/i915/display/intel_display.h:190:2: note: in expansion of macro 'PORT_NONE'
     PORT_NONE = -1,
     ^~~~~~~~~
   In file included from drivers/gpu/drm/i915/i915_drv.h:68:0,
                    from drivers/gpu/drm/i915/display/intel_display_types.h:46,
                    from drivers/gpu/drm/i915/i915_irq.c:39:
   drivers/gpu/drm/i915/display/intel_display.h: In function 'port_identifier':
>> drivers/gpu/drm/i915/display/intel_display.h:214:7: error: 'PORT_A' undeclared (first use in this function); did you mean 'PORT_DA'?
     case PORT_A:
          ^~~~~~
          PORT_DA
   drivers/gpu/drm/i915/display/intel_display.h:214:7: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/i915/display/intel_display.h:216:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_A'?
     case PORT_B:
          ^~~~~~
          PORT_A
>> drivers/gpu/drm/i915/display/intel_display.h:218:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_C:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display.h:220:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_C'?
     case PORT_D:
          ^~~~~~
          PORT_C
>> drivers/gpu/drm/i915/display/intel_display.h:222:7: error: 'PORT_E' undeclared (first use in this function); did you mean 'PORT_D'?
     case PORT_E:
          ^~~~~~
          PORT_D
>> drivers/gpu/drm/i915/display/intel_display.h:224:7: error: 'PORT_F' undeclared (first use in this function); did you mean 'PORT_E'?
     case PORT_F:
          ^~~~~~
          PORT_E
>> drivers/gpu/drm/i915/display/intel_display.h:226:7: error: 'PORT_G' undeclared (first use in this function); did you mean 'PORT_F'?
     case PORT_G:
          ^~~~~~
          PORT_F
>> drivers/gpu/drm/i915/display/intel_display.h:228:7: error: 'PORT_H' undeclared (first use in this function); did you mean 'PORT_G'?
     case PORT_H:
          ^~~~~~
          PORT_G
>> drivers/gpu/drm/i915/display/intel_display.h:230:7: error: 'PORT_I' undeclared (first use in this function); did you mean 'PORT_H'?
     case PORT_I:
          ^~~~~~
          PORT_H
   In file included from drivers/gpu/drm/i915/display/intel_display_types.h:46:0,
                    from drivers/gpu/drm/i915/i915_irq.c:39:
   drivers/gpu/drm/i915/i915_drv.h: At top level:
>> drivers/gpu/drm/i915/i915_drv.h:726:41: error: 'I915_MAX_PORTS' undeclared here (not in a function); did you mean 'I915_MAX_PHYS'?
     struct ddi_vbt_port_info ddi_port_info[I915_MAX_PORTS];
                                            ^~~~~~~~~~~~~~
                                            I915_MAX_PHYS
   In file included from drivers/gpu/drm/i915/i915_irq.c:39:0:
   drivers/gpu/drm/i915/display/intel_display_types.h: In function 'vlv_dport_to_channel':
>> drivers/gpu/drm/i915/display/intel_display_types.h:1386:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_BNC'?
     case PORT_B:
          ^~~~~~
          PORT_BNC
>> drivers/gpu/drm/i915/display/intel_display_types.h:1387:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_D:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display_types.h:1389:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_D'?
     case PORT_C:
          ^~~~~~
          PORT_D
   drivers/gpu/drm/i915/display/intel_display_types.h: In function 'vlv_dport_to_phy':
   drivers/gpu/drm/i915/display/intel_display_types.h:1400:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_BNC'?
     case PORT_B:
          ^~~~~~
          PORT_BNC
>> drivers/gpu/drm/i915/display/intel_display_types.h:1401:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_C:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display_types.h:1403:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_C'?
     case PORT_D:
          ^~~~~~
          PORT_C
   In file included from drivers/gpu/drm/i915/i915_drv.h:64:0,
                    from drivers/gpu/drm/i915/display/intel_display_types.h:46,
                    from drivers/gpu/drm/i915/i915_irq.c:39:
   drivers/gpu/drm/i915/i915_irq.c: At top level:
>> drivers/gpu/drm/i915/i915_irq.c:152:37: error: 'PORT_A' undeclared here (not in a function); did you mean 'PORT_DA'?
     [HPD_PORT_A] = SDE_DDI_HOTPLUG_ICP(PORT_A),
                                        ^
   drivers/gpu/drm/i915/i915_reg.h:8021:43: note: in definition of macro 'SDE_DDI_HOTPLUG_ICP'
    #define SDE_DDI_HOTPLUG_ICP(port) (1 << ((port) + 16))
                                              ^~~~
>> drivers/gpu/drm/i915/i915_irq.c:153:37: error: 'PORT_B' undeclared here (not in a function); did you mean 'PORT_A'?
     [HPD_PORT_B] = SDE_DDI_HOTPLUG_ICP(PORT_B),
                                        ^
   drivers/gpu/drm/i915/i915_reg.h:8021:43: note: in definition of macro 'SDE_DDI_HOTPLUG_ICP'
    #define SDE_DDI_HOTPLUG_ICP(port) (1 << ((port) + 16))
                                              ^~~~
>> drivers/gpu/drm/i915/i915_irq.c:163:37: error: 'PORT_C' undeclared here (not in a function); did you mean 'PORT_B'?
     [HPD_PORT_C] = SDE_DDI_HOTPLUG_ICP(PORT_C),
                                        ^
   drivers/gpu/drm/i915/i915_reg.h:8021:43: note: in definition of macro 'SDE_DDI_HOTPLUG_ICP'
    #define SDE_DDI_HOTPLUG_ICP(port) (1 << ((port) + 16))
                                              ^~~~
--
   In file included from include/linux/ethtool.h:18:0,
                    from include/linux/phy.h:16,
                    from include/linux/property.h:15,
                    from include/linux/of.h:22,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from include/linux/i2c.h:13,
                    from drivers/gpu/drm/i915/i915_drv.h:37,
                    from drivers/gpu/drm/i915/i915_getparam.c:8:
>> include/uapi/linux/ethtool.h:1668:20: error: expected identifier before numeric constant
    #define PORT_NONE  0xef
                       ^
>> drivers/gpu/drm/i915/display/intel_display.h:190:2: note: in expansion of macro 'PORT_NONE'
     PORT_NONE = -1,
     ^~~~~~~~~
   In file included from drivers/gpu/drm/i915/i915_drv.h:68:0,
                    from drivers/gpu/drm/i915/i915_getparam.c:8:
   drivers/gpu/drm/i915/display/intel_display.h: In function 'port_identifier':
>> drivers/gpu/drm/i915/display/intel_display.h:214:7: error: 'PORT_A' undeclared (first use in this function); did you mean 'PORT_DA'?
     case PORT_A:
          ^~~~~~
          PORT_DA
   drivers/gpu/drm/i915/display/intel_display.h:214:7: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/i915/display/intel_display.h:216:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_A'?
     case PORT_B:
          ^~~~~~
          PORT_A
>> drivers/gpu/drm/i915/display/intel_display.h:218:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_C:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display.h:220:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_C'?
     case PORT_D:
          ^~~~~~
          PORT_C
>> drivers/gpu/drm/i915/display/intel_display.h:222:7: error: 'PORT_E' undeclared (first use in this function); did you mean 'PORT_D'?
     case PORT_E:
          ^~~~~~
          PORT_D
>> drivers/gpu/drm/i915/display/intel_display.h:224:7: error: 'PORT_F' undeclared (first use in this function); did you mean 'PORT_E'?
     case PORT_F:
          ^~~~~~
          PORT_E
>> drivers/gpu/drm/i915/display/intel_display.h:226:7: error: 'PORT_G' undeclared (first use in this function); did you mean 'PORT_F'?
     case PORT_G:
          ^~~~~~
          PORT_F
>> drivers/gpu/drm/i915/display/intel_display.h:228:7: error: 'PORT_H' undeclared (first use in this function); did you mean 'PORT_G'?
     case PORT_H:
          ^~~~~~
          PORT_G
>> drivers/gpu/drm/i915/display/intel_display.h:230:7: error: 'PORT_I' undeclared (first use in this function); did you mean 'PORT_H'?
     case PORT_I:
          ^~~~~~
          PORT_H
   In file included from drivers/gpu/drm/i915/i915_getparam.c:8:0:
   drivers/gpu/drm/i915/i915_drv.h: At top level:
>> drivers/gpu/drm/i915/i915_drv.h:726:41: error: 'I915_MAX_PORTS' undeclared here (not in a function); did you mean 'I915_MAX_PHYS'?
     struct ddi_vbt_port_info ddi_port_info[I915_MAX_PORTS];
                                            ^~~~~~~~~~~~~~
                                            I915_MAX_PHYS
--
   In file included from include/linux/ethtool.h:18:0,
                    from include/linux/phy.h:16,
                    from include/linux/property.h:15,
                    from include/linux/of.h:22,
                    from include/linux/irqdomain.h:35,
                    from include/linux/acpi.h:13,
                    from include/linux/i2c.h:13,
                    from drivers/gpu/drm/i915/display/intel_display_types.h:30,
                    from drivers/gpu/drm/i915/display/intel_pipe_crc.c:33:
>> include/uapi/linux/ethtool.h:1668:20: error: expected identifier before numeric constant
    #define PORT_NONE  0xef
                       ^
>> drivers/gpu/drm/i915/display/intel_display.h:190:2: note: in expansion of macro 'PORT_NONE'
     PORT_NONE = -1,
     ^~~~~~~~~
   In file included from drivers/gpu/drm/i915/i915_drv.h:68:0,
                    from drivers/gpu/drm/i915/display/intel_display_types.h:46,
                    from drivers/gpu/drm/i915/display/intel_pipe_crc.c:33:
   drivers/gpu/drm/i915/display/intel_display.h: In function 'port_identifier':
>> drivers/gpu/drm/i915/display/intel_display.h:214:7: error: 'PORT_A' undeclared (first use in this function); did you mean 'PORT_DA'?
     case PORT_A:
          ^~~~~~
          PORT_DA
   drivers/gpu/drm/i915/display/intel_display.h:214:7: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/gpu/drm/i915/display/intel_display.h:216:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_A'?
     case PORT_B:
          ^~~~~~
          PORT_A
>> drivers/gpu/drm/i915/display/intel_display.h:218:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_C:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display.h:220:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_C'?
     case PORT_D:
          ^~~~~~
          PORT_C
>> drivers/gpu/drm/i915/display/intel_display.h:222:7: error: 'PORT_E' undeclared (first use in this function); did you mean 'PORT_D'?
     case PORT_E:
          ^~~~~~
          PORT_D
>> drivers/gpu/drm/i915/display/intel_display.h:224:7: error: 'PORT_F' undeclared (first use in this function); did you mean 'PORT_E'?
     case PORT_F:
          ^~~~~~
          PORT_E
>> drivers/gpu/drm/i915/display/intel_display.h:226:7: error: 'PORT_G' undeclared (first use in this function); did you mean 'PORT_F'?
     case PORT_G:
          ^~~~~~
          PORT_F
>> drivers/gpu/drm/i915/display/intel_display.h:228:7: error: 'PORT_H' undeclared (first use in this function); did you mean 'PORT_G'?
     case PORT_H:
          ^~~~~~
          PORT_G
>> drivers/gpu/drm/i915/display/intel_display.h:230:7: error: 'PORT_I' undeclared (first use in this function); did you mean 'PORT_H'?
     case PORT_I:
          ^~~~~~
          PORT_H
   In file included from drivers/gpu/drm/i915/display/intel_display_types.h:46:0,
                    from drivers/gpu/drm/i915/display/intel_pipe_crc.c:33:
   drivers/gpu/drm/i915/i915_drv.h: At top level:
>> drivers/gpu/drm/i915/i915_drv.h:726:41: error: 'I915_MAX_PORTS' undeclared here (not in a function); did you mean 'I915_MAX_PHYS'?
     struct ddi_vbt_port_info ddi_port_info[I915_MAX_PORTS];
                                            ^~~~~~~~~~~~~~
                                            I915_MAX_PHYS
   In file included from drivers/gpu/drm/i915/display/intel_pipe_crc.c:33:0:
   drivers/gpu/drm/i915/display/intel_display_types.h: In function 'vlv_dport_to_channel':
>> drivers/gpu/drm/i915/display/intel_display_types.h:1386:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_BNC'?
     case PORT_B:
          ^~~~~~
          PORT_BNC
>> drivers/gpu/drm/i915/display/intel_display_types.h:1387:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_D:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display_types.h:1389:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_D'?
     case PORT_C:
          ^~~~~~
          PORT_D
   drivers/gpu/drm/i915/display/intel_display_types.h: In function 'vlv_dport_to_phy':
   drivers/gpu/drm/i915/display/intel_display_types.h:1400:7: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_BNC'?
     case PORT_B:
          ^~~~~~
          PORT_BNC
>> drivers/gpu/drm/i915/display/intel_display_types.h:1401:7: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_B'?
     case PORT_C:
          ^~~~~~
          PORT_B
>> drivers/gpu/drm/i915/display/intel_display_types.h:1403:7: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_C'?
     case PORT_D:
          ^~~~~~
          PORT_C
   drivers/gpu/drm/i915/display/intel_pipe_crc.c: In function 'i9xx_pipe_crc_auto_source':
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:103:9: error: 'PORT_B' undeclared (first use in this function); did you mean 'PORT_BNC'?
       case PORT_B:
            ^~~~~~
            PORT_BNC
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:106:9: error: 'PORT_C' undeclared (first use in this function); did you mean 'PORT_B'?
       case PORT_C:
            ^~~~~~
            PORT_B
>> drivers/gpu/drm/i915/display/intel_pipe_crc.c:109:9: error: 'PORT_D' undeclared (first use in this function); did you mean 'PORT_C'?
       case PORT_D:
            ^~~~~~
            PORT_C
..

vim +1668 include/uapi/linux/ethtool.h

103a8ad1fa3b26 Nikolay Aleksandrov 2016-02-03  1660  
607ca46e97a1b6 David Howells       2012-10-13  1661  /* Which connector port. */
607ca46e97a1b6 David Howells       2012-10-13  1662  #define PORT_TP			0x00
607ca46e97a1b6 David Howells       2012-10-13  1663  #define PORT_AUI		0x01
607ca46e97a1b6 David Howells       2012-10-13  1664  #define PORT_MII		0x02
607ca46e97a1b6 David Howells       2012-10-13  1665  #define PORT_FIBRE		0x03
607ca46e97a1b6 David Howells       2012-10-13  1666  #define PORT_BNC		0x04
607ca46e97a1b6 David Howells       2012-10-13  1667  #define PORT_DA			0x05
607ca46e97a1b6 David Howells       2012-10-13 @1668  #define PORT_NONE		0xef
607ca46e97a1b6 David Howells       2012-10-13  1669  #define PORT_OTHER		0xff
607ca46e97a1b6 David Howells       2012-10-13  1670  

:::::: The code at line 1668 was first introduced by commit
:::::: 607ca46e97a1b6594b29647d98a32d545c24bdff UAPI: (Scripted) Disintegrate include/linux

:::::: TO: David Howells <dhowells@...hat.com>
:::::: CC: David Howells <dhowells@...hat.com>

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

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