[PATCH 21/22] rtw89: Replace comments with C99 initializers

Larry Finger Larry.Finger at lwfinger.net
Sun Mar 27 05:55:33 AEDT 2022


On 3/26/22 11:59, Benjamin Stürz wrote:
> This replaces comments with C99's designated
> initializers because the kernel supports them now.
> 
> Signed-off-by: Benjamin Stürz <benni at stuerz.xyz>
> ---
>   drivers/net/wireless/realtek/rtw89/coex.c | 40 +++++++++++------------
>   1 file changed, 20 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtw89/coex.c b/drivers/net/wireless/realtek/rtw89/coex.c
> index 684583955511..3c83a0bfb120 100644
> --- a/drivers/net/wireless/realtek/rtw89/coex.c
> +++ b/drivers/net/wireless/realtek/rtw89/coex.c
> @@ -97,26 +97,26 @@ static const struct rtw89_btc_fbtc_slot s_def[] = {
>   };
>   
>   static const u32 cxtbl[] = {
> -	0xffffffff, /* 0 */
> -	0xaaaaaaaa, /* 1 */
> -	0x55555555, /* 2 */
> -	0x66555555, /* 3 */
> -	0x66556655, /* 4 */
> -	0x5a5a5a5a, /* 5 */
> -	0x5a5a5aaa, /* 6 */
> -	0xaa5a5a5a, /* 7 */
> -	0x6a5a5a5a, /* 8 */
> -	0x6a5a5aaa, /* 9 */
> -	0x6a5a6a5a, /* 10 */
> -	0x6a5a6aaa, /* 11 */
> -	0x6afa5afa, /* 12 */
> -	0xaaaa5aaa, /* 13 */
> -	0xaaffffaa, /* 14 */
> -	0xaa5555aa, /* 15 */
> -	0xfafafafa, /* 16 */
> -	0xffffddff, /* 17 */
> -	0xdaffdaff, /* 18 */
> -	0xfafadafa  /* 19 */
> +	[0]  = 0xffffffff,
> +	[1]  = 0xaaaaaaaa,
> +	[2]  = 0x55555555,
> +	[3]  = 0x66555555,
> +	[4]  = 0x66556655,
> +	[5]  = 0x5a5a5a5a,
> +	[6]  = 0x5a5a5aaa,
> +	[7]  = 0xaa5a5a5a,
> +	[8]  = 0x6a5a5a5a,
> +	[9]  = 0x6a5a5aaa,
> +	[10] = 0x6a5a6a5a,
> +	[11] = 0x6a5a6aaa,
> +	[12] = 0x6afa5afa,
> +	[13] = 0xaaaa5aaa,
> +	[14] = 0xaaffffaa,
> +	[15] = 0xaa5555aa,
> +	[16] = 0xfafafafa,
> +	[17] = 0xffffddff,
> +	[18] = 0xdaffdaff,
> +	[19] = 0xfafadafa
>   };
>   
>   struct rtw89_btc_btf_tlv {


Is this change really necessary? Yes, the entries must be ordered; however, the 
comment carries that information at very few extra characters. To me, this patch 
looks like unneeded source churn. One other concern is that this driver is 
backported to older kernels and older compilers by several distros. Will this 
change require adding extra conditional statements to the source used in these 
applications?

Larry



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