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SubjectRe: [PATCH 16/18] mtd: rawnand.h: use nested union kernel-doc markups
Hi Mauro,

On Mon, 7 May 2018 06:35:52 -0300
Mauro Carvalho Chehab <mchehab+samsung@kernel.org> wrote:

> Gets rid of those warnings and better document the parameters.
>
> ./include/linux/mtd/rawnand.h:752: warning: Function parameter or member 'timings.sdr' not described in 'nand_data_interface'
> ./include/linux/mtd/rawnand.h:817: warning: Function parameter or member 'buf' not described in 'nand_op_data_instr'
> ./include/linux/mtd/rawnand.h:817: warning: Function parameter or member 'buf.in' not described in 'nand_op_data_instr'
> ./include/linux/mtd/rawnand.h:817: warning: Function parameter or member 'buf.out' not described in 'nand_op_data_instr'
> ./include/linux/mtd/rawnand.h:863: warning: Function parameter or member 'ctx' not described in 'nand_op_instr'
> ./include/linux/mtd/rawnand.h:863: warning: Function parameter or member 'ctx.cmd' not described in 'nand_op_instr'
> ./include/linux/mtd/rawnand.h:863: warning: Function parameter or member 'ctx.addr' not described in 'nand_op_instr'
> ./include/linux/mtd/rawnand.h:863: warning: Function parameter or member 'ctx.data' not described in 'nand_op_instr'
> ./include/linux/mtd/rawnand.h:863: warning: Function parameter or member 'ctx.waitrdy' not described in 'nand_op_instr'
> ./include/linux/mtd/rawnand.h:1010: warning: Function parameter or member 'ctx' not described in 'nand_op_parser_pattern_elem'
> ./include/linux/mtd/rawnand.h:1010: warning: Function parameter or member 'ctx.addr' not described in 'nand_op_parser_pattern_elem'
> ./include/linux/mtd/rawnand.h:1010: warning: Function parameter or member 'ctx.data' not described in 'nand_op_parser_pattern_elem'
> ./include/linux/mtd/rawnand.h:1313: warning: Function parameter or member 'manufacturer.desc' not described in 'nand_chip'
> ./include/linux/mtd/rawnand.h:1313: warning: Function parameter or member 'manufacturer.priv' not described in 'nand_chip'
>
> ./include/linux/mtd/rawnand.h:848: WARNING: Unexpected indentation.
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
> ---
> include/linux/mtd/rawnand.h | 26 ++++++++++++++++++--------
> 1 file changed, 18 insertions(+), 8 deletions(-)
>
> diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
> index 5dad59b31244..b986f94906df 100644
> --- a/include/linux/mtd/rawnand.h
> +++ b/include/linux/mtd/rawnand.h
> @@ -740,8 +740,9 @@ enum nand_data_interface_type {
>
> /**
> * struct nand_data_interface - NAND interface timing
> - * @type: type of the timing
> - * @timings: The timing, type according to @type
> + * @type: type of the timing
> + * @timings: The timing, type according to @type
> + * @timings.sdr: Use it when @type is %NAND_SDR_IFACE.

Hm, really feels weird to do that. I mean, either we describe
timings.sdr or timings, but not both. I this case, I agree that
describing timings.sdr would make more sense than generically
describing any possible entries in the timings union. Is there a simple
way we can get rid of the warning we have when not describing timings
but all of its fields?

> */
> struct nand_data_interface {
> enum nand_data_interface_type type;
> @@ -798,8 +799,9 @@ struct nand_op_addr_instr {
> /**
> * struct nand_op_data_instr - Definition of a data instruction
> * @len: number of data bytes to move
> - * @in: buffer to fill when reading from the NAND chip
> - * @out: buffer to read from when writing to the NAND chip
> + * @buf: buffer to fill
> + * @buf.in: buffer to fill when reading from the NAND chip
> + * @buf.out: buffer to read from when writing to the NAND chip

Same here. What we care about is @buf.in and @buf.out, the @buf
description is useless...

Regards,

Boris

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