Re: [PATCH] staging: r8188eu: remove 5 GHz code

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Thus wrote Michael Straube (straube.linux@xxxxxxxxx):

> The driver is for chips that do not operate in the 5 GHz band.
> Remove some 5 GHz related code.

> Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx>
> ---
>  drivers/staging/r8188eu/os_dep/ioctl_linux.c | 30 ++++++--------------
>  1 file changed, 8 insertions(+), 22 deletions(-)

> diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> index ab4a9200f079..81d4255d1785 100644
> --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> @@ -208,17 +208,10 @@ static char *translate_scan(struct adapter *padapter,
>  		else
>  			snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11bg");
>  	} else {
> -		if (pnetwork->network.Configuration.DSConfig > 14) {
> -			if (ht_cap)
> -				snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11an");
> -			else
> -				snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11a");
> -		} else {
> -			if (ht_cap)
> -				snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11gn");
> -			else
> -				snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11g");
> -		}
> +		if (ht_cap)
> +			snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11gn");
> +		else
> +			snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11g");
>  	}

>  	start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN);
> @@ -737,17 +730,10 @@ static int rtw_wx_get_name(struct net_device *dev,
>  			else
>  				snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11bg");
>  		} else {
> -			if (pcur_bss->Configuration.DSConfig > 14) {
> -				if (ht_cap)
> -					snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11an");
> -				else
> -					snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11a");
> -			} else {
> -				if (ht_cap)
> -					snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11gn");
> -				else
> -					snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11g");
> -			}
> +			if (ht_cap)
> +				snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11gn");
> +			else
> +				snprintf(wrqu->name, IFNAMSIZ, "IEEE 802.11g");
>  		}
>  	} else {
>  		snprintf(wrqu->name, IFNAMSIZ, "unassociated");
> -- 
> 2.32.0


Hi Michael and all,

looks good.

Acked-by: Martin Kaiser <martin@xxxxxxxxx>


Two comments unrelated to your patch: I guess that DSConfig is the
channel number, those two drivers have a misleading comment:

  3 F   m    DSConfig
    drivers/staging/r8188eu/include/wlan_bssdef.h
               struct:ndis_802_11_config
               u32           DSConfig;           /*  Frequency, units are kHz */
  4 F   m    DSConfig          drivers/staging/rtl8712/wlan_bssdef.h
               struct:NDIS_802_11_CONFIGURATION
               u32 DSConfig;           /* Frequency, units are kHz */


The rtw_wx_get_name function has a similar check
if (pcur_bss->Configuration.DSConfig > 14).

But when Larry adds cfg80211 support, I guess all IW_HANDLER()s will
become obsolete...

Best regards,
Martin




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