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Diffstat (limited to 'Documentation/kbuild/kconfig-language.txt')
| -rw-r--r-- | Documentation/kbuild/kconfig-language.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt index 2fe93ca7c77..b507d61fd41 100644 --- a/Documentation/kbuild/kconfig-language.txt +++ b/Documentation/kbuild/kconfig-language.txt @@ -112,7 +112,6 @@ applicable everywhere (see syntax). (no prompts anywhere) and for symbols with no dependencies. That will limit the usefulness but on the other hand avoid the illegal configurations all over. - kconfig should one day warn about such things. - numerical ranges: "range" <symbol> <symbol> ["if" <expr>] This allows to limit the range of possible input values for int @@ -268,7 +267,7 @@ separate list of options. choices: - "choice" + "choice" [symbol] <choice options> <choice block> "endchoice" @@ -282,6 +281,10 @@ single driver can be compiled/loaded into the kernel, but all drivers can be compiled as modules. A choice accepts another option "optional", which allows to set the choice to 'n' and no entry needs to be selected. +If no [symbol] is associated with a choice, then you can not have multiple +definitions of that choice. If a [symbol] is associated to the choice, +then you may define the same choice (ie. with the same entries) in another +place. comment: |