tree: git://git.infradead.org/users/dvhart/linux-platform-drivers-x86.git testing
head: 1fd7ad4be77160c4a6c6deca62c3b9c728836b7d
commit: 1fd7ad4be77160c4a6c6deca62c3b9c728836b7d [6/6] platform/x86: dell-smbios: Resolve dependency error on DCDBAS
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 1fd7ad4be77160c4a6c6deca62c3b9c728836b7d
# save the attached .config to linux build tree
make.cross ARCH=sh
All errors (new ones prefixed by >>):
>> drivers/platform/x86/Kconfig:128:error: recursive dependency detected!
>> drivers/platform/x86/Kconfig:128: symbol DELL_SMBIOS_USING_DCDBAS is selected by DELL_SMBIOS_SMM
>> drivers/platform/x86/Kconfig:145: symbol DELL_SMBIOS_SMM depends on DELL_SMBIOS
>> drivers/platform/x86/Kconfig:114: symbol DELL_SMBIOS depends on DELL_SMBIOS_USING_DCDBAS
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
vim +128 drivers/platform/x86/Kconfig
17
18 config ACER_WMI
19 tristate "Acer WMI Laptop Extras"
20 depends on ACPI
21 select LEDS_CLASS
22 select NEW_LEDS
23 depends on BACKLIGHT_CLASS_DEVICE
24 depends on SERIO_I8042
25 depends on INPUT
26 depends on RFKILL || RFKILL = n
27 depends on ACPI_WMI
28 select INPUT_SPARSEKMAP
29 # Acer WMI depends on ACPI_VIDEO when ACPI is enabled
30 select ACPI_VIDEO if ACPI
31 ---help---
32 This is a driver for newer Acer (and Wistron) laptops. It adds
33 wireless radio and bluetooth control, and on some laptops,
34 exposes the mail LED and LCD backlight.
35
36 If you have an ACPI-WMI compatible Acer/ Wistron laptop, say Y or M
37 here.
38
39 config ACER_WIRELESS
40 tristate "Acer Wireless Radio Control Driver"
41 depends on ACPI
42 depends on INPUT
43 ---help---
44 The Acer Wireless Radio Control handles the airplane mode hotkey
45 present on new Acer laptops.
46
47 Say Y or M here if you have an Acer notebook with an airplane mode
48 hotkey.
49
50 If you choose to compile this driver as a module the module will be
51 called acer-wireless.
52
53 config ACERHDF
54 tristate "Acer Aspire One temperature and fan driver"
55 depends on ACPI && THERMAL
56 select THERMAL_GOV_BANG_BANG
57 ---help---
58 This is a driver for Acer Aspire One netbooks. It allows to access
59 the temperature sensor and to control the fan.
60
61 After loading this driver the BIOS is still in control of the fan.
62 To let the kernel handle the fan, do:
63 echo -n enabled > /sys/class/thermal/thermal_zone0/mode
64
65 For more information about this driver see
66 <http://piie.net/files/acerhdf_README.txt>
67
68 If you have an Acer Aspire One netbook, say Y or M
69 here.
70
71 config ALIENWARE_WMI
72 tristate "Alienware Special feature control"
73 depends on ACPI
74 depends on LEDS_CLASS
75 depends on NEW_LEDS
76 depends on ACPI_WMI
77 ---help---
78 This is a driver for controlling Alienware BIOS driven
79 features. It exposes an interface for controlling the AlienFX
80 zones on Alienware machines that don't contain a dedicated AlienFX
81 USB MCU such as the X51 and X51-R2.
82
83 config ASUS_LAPTOP
84 tristate "Asus Laptop Extras"
85 depends on ACPI
86 select LEDS_CLASS
87 select NEW_LEDS
88 depends on BACKLIGHT_CLASS_DEVICE
89 depends on INPUT
90 depends on RFKILL || RFKILL = n
91 depends on ACPI_VIDEO || ACPI_VIDEO = n
92 select INPUT_SPARSEKMAP
93 select INPUT_POLLDEV
94 ---help---
95 This is a driver for Asus laptops, Lenovo SL and the Pegatron
96 Lucid tablet. It may also support some MEDION, JVC or VICTOR
97 laptops. It makes all the extra buttons generate standard
98 ACPI events and input events, and on the Lucid the built-in
99 accelerometer appears as an input device. It also adds
100 support for video output switching, LCD backlight control,
101 Bluetooth and Wlan control, and most importantly, allows you
102 to blink those fancy LEDs.
103
104 For more information see <http://acpi4asus.sf.net>.
105
106 If you have an ACPI-compatible ASUS laptop, say Y or M here.
107
108 #
109 # If the DELL_SMBIOS_SMM feature is enabled, the DELL_SMBIOS driver
110 # becomes dependent on the DCDBAS driver. The "depends" line enforces
111 # that conditional dependency, by preventing a configuration where
112 # DELL_SMBIOS_SMM is enabled and DELL_SMBIOS=y while DCDBAS=m.
113 #
> 114 config DELL_SMBIOS
115 tristate "Dell SMBIOS driver"
116 depends on !DELL_SMBIOS_USING_DCDBAS || (DCDBAS || DCDBAS=n)
117 ---help---
118 This provides support for the Dell SMBIOS calling interface.
119 If you have a Dell computer you should enable this option.
120
121 Be sure to select at least one backend for it to work properly.
122
123 #
124 # This decouples what would otherwise be a recursive dependency between
125 # DELL_SMBIOS and DELL_SMBIOS_SMM. If DELL_SMBIOS_SMM is selected, then
126 # DELL_SMBIOS needs to depend on DCDBAS.
127 #
> 128 config DELL_SMBIOS_USING_DCDBAS
129 bool
130
131 config DELL_SMBIOS_WMI
132 bool "Dell SMBIOS driver WMI backend"
133 default y
134 depends on ACPI_WMI
135 select DELL_WMI_DESCRIPTOR
136 depends on DELL_SMBIOS
137 ---help---
138 This provides an implementation for the Dell SMBIOS calling interface
139 communicated over ACPI-WMI.
140
141 If you have a Dell computer from >2007 you should say Y here.
142 If you aren't sure and this module doesn't work for your computer
143 it just won't load.
144
> 145 config DELL_SMBIOS_SMM
146 bool "Dell SMBIOS driver SMM backend"
147 default y
148 depends on DCDBAS
149 depends on DELL_SMBIOS
150 select DELL_SMBIOS_USING_DCDBAS
151 ---help---
152 This provides an implementation for the Dell SMBIOS calling interface
153 communicated over SMI/SMM.
154
155 If you have a Dell computer from <=2017 you should say Y here.
156 If you aren't sure and this module doesn't work for your computer
157 it just won't load.
158
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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