Am 22.07.2016 um 16:46 schrieb Mauro Carvalho Chehab <mche...@s-opensource.com>:
> The RST cpp:function handler is very pedantic: it doesn't allow any
> macros like __user on it:
>
> Documentation/media/kapi/dtv-core.rst:28: WARNING: Error when parsing
> function declaration.
> If the function has no return type:
> Error in declarator or parameters and qualifiers
> Invalid definition: Expecting "(" in parameters_and_qualifiers.
> [error at 8]
> ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer * rbuf,
> size_t idx, int offset, u8 __user * buf, size_t len)
> --------^
> If the function has a return type:
> Error in declarator or parameters and qualifiers
> If pointer to member declarator:
> Invalid definition: Expected '::' in pointer to member (function).
> [error at 37]
> ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer *
> rbuf, size_t idx, int offset, u8 __user * buf, size_t len)
> -------------------------------------^
> If declarator-id:
> Invalid definition: Expecting "," or ")" in
> parameters_and_qualifiers, got "*". [error at 102]
> ssize_t dvb_ringbuffer_pkt_read_user (struct dvb_ringbuffer *
> rbuf, size_t idx, int offset, u8 __user * buf, size_t len)
>
> ------------------------------------------------------------------------------------------------------^
>
May I'am wrong, but as far as I know, we get this error only
if we are using the CPP-domain. Since the kernel-doc parser
uses the C-domain, we should not have those error messages
(tested here with sphinx 1.4).
That said, I don't see the need to change the kernel-doc parser
eleminating the address_space tags.
Or did I missed some point?
-- Markus --
> So, we have to remove it from the function prototype.
>
> Signed-off-by: Mauro Carvalho Chehab <mche...@s-opensource.com>
> ---
> scripts/kernel-doc | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/scripts/kernel-doc b/scripts/kernel-doc
> index 41eade332307..4394746cc1aa 100755
> --- a/scripts/kernel-doc
> +++ b/scripts/kernel-doc
> @@ -1848,6 +1848,10 @@ sub output_function_rst(%) {
> }
> $count++;
> $type = $args{'parametertypes'}{$parameter};
> +
> + # RST doesn't like address_space tags at function prototypes
> + $type =~ s/__(user|kernel|iomem|percpu|pmem|rcu)\s*//;
> +
> if ($type =~ m/([^\(]*\(\*)\s*\)\s*\(([^\)]*)\)/) {
> # pointer-to-function
> print $1 . $parameter . ") (" . $2;
> --
> 2.7.4
>
>
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