Re: [PATCH v2] wifi: mwifiex: avoid AP and STA running on different channel

[Sascha Hauer]

On Mon, Sep 02, 2024 at 04:43:11PM +0800, David Lin wrote:
> Current firmware doesn't support AP and STA running on different
> channels simultaneously.
> FW crash would occur in such case.
> This patch avoids the issue by disabling AP and STA to run on
> different channels.
> 
> Signed-off-by: David Lin <yu-hao.lin@xxxxxxx>
> ---
> 
> v2:
>    - clean up code.
> 
> ---
>  .../net/wireless/marvell/mwifiex/cfg80211.c   | 17 ++++---
>  drivers/net/wireless/marvell/mwifiex/util.c   | 44 +++++++++++++++++++
>  drivers/net/wireless/marvell/mwifiex/util.h   | 13 ++++++
>  3 files changed, 69 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
> index 722ead51e912..3dbcab463445 100644
> --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c
> +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c
> @@ -781,11 +781,9 @@ mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
>  		break;
>  
>  	case MWIFIEX_BSS_ROLE_STA:
> -		if (priv->media_connected) {
> -			mwifiex_dbg(adapter, ERROR,
> -				    "cannot change wiphy params when connected");
> -			return -EINVAL;
> -		}
> +		if (priv->media_connected)
> +			break;

This hunk seems unrelated to this patch. If this is needed then it
deserves an extra patch along with an explanation why this is necessary.

Sascha

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |