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scripts: kernel-doc: use :c:union when needed
Sphinx C domain code after 3.2.1 will start complaning if :c:struct would be used for an union type: .../Documentation/gpu/drm-kms-helpers:352: ../drivers/video/hdmi.c:851: WARNING: C 'identifier' cross-reference uses wrong tag: reference name is 'union hdmi_infoframe' but found name is 'struct hdmi_infoframe'. Full reference name is 'union hdmi_infoframe'. Full found name is 'struct hdmi_infoframe'. So, let's address this issue too in advance, in order to avoid future issues. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/6e4ec3eec914df62389a299797a3880ae4490f35.1603791716.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20201117165312.118257-30-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -1092,7 +1092,11 @@ sub output_struct_rst(%) {
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print "\n\n.. c:type:: " . $name . "\n\n";
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} else {
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my $name = $args{'struct'};
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print "\n\n.. c:struct:: " . $name . "\n\n";
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if ($args{'type'} eq 'union') {
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print "\n\n.. c:union:: " . $name . "\n\n";
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} else {
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print "\n\n.. c:struct:: " . $name . "\n\n";
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}
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}
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print_lineno($declaration_start_line);
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$lineprefix = " ";
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