linux-kernel - Re: [PATCH] wifi: wcn36xx: Remove unused wcn36xx_smd_update_scan

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Message-ID: <aOfT806hw7l2BeJu@gallifrey>
Date: Thu, 9 Oct 2025 15:25:39 +0000
From: "Dr. David Alan Gilbert" <linux@...blig.org>
To: Loic Poulain <loic.poulain@....qualcomm.com>
Cc: wcn36xx@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] wifi: wcn36xx: Remove unused
 wcn36xx_smd_update_scan_params

* Loic Poulain (loic.poulain@....qualcomm.com) wrote:
> On Thu, Jun 19, 2025 at 3:05 AM <linux@...blig.org> wrote:
> >
> > From: "Dr. David Alan Gilbert" <linux@...blig.org>
> >
> > wcn36xx_smd_update_scan_params() last use was removed in 2020 by
> > commit 5973a2947430 ("wcn36xx: Fix software-driven scan")
> >
> > Remove it.
> >
> > Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
> 
> Reviewed-by: Loic Poulain <loic.poulain@....qualcomm.com>

Hi Loic,
  Is this getting into a pull somewhere?

Dave

> 
> > ---
> >  drivers/net/wireless/ath/wcn36xx/smd.c | 60 --------------------------
> >  drivers/net/wireless/ath/wcn36xx/smd.h |  1 -
> >  2 files changed, 61 deletions(-)
> >
> > diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c
> > index 2cf86fc3f8fe..136acc414714 100644
> > --- a/drivers/net/wireless/ath/wcn36xx/smd.c
> > +++ b/drivers/net/wireless/ath/wcn36xx/smd.c
> > @@ -1127,66 +1127,6 @@ int wcn36xx_smd_process_ptt_msg(struct wcn36xx *wcn,
> >         return ret;
> >  }
> >
> > -static int wcn36xx_smd_update_scan_params_rsp(void *buf, size_t len)
> > -{
> > -       struct wcn36xx_hal_update_scan_params_resp *rsp;
> > -
> > -       rsp = buf;
> > -
> > -       /* Remove the PNO version bit */
> > -       rsp->status &= (~(WCN36XX_FW_MSG_PNO_VERSION_MASK));
> > -
> > -       if (WCN36XX_FW_MSG_RESULT_SUCCESS != rsp->status) {
> > -               wcn36xx_warn("error response from update scan\n");
> > -               return rsp->status;
> > -       }
> > -
> > -       return 0;
> > -}
> > -
> > -int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn,
> > -                                  u8 *channels, size_t channel_count)
> > -{
> > -       struct wcn36xx_hal_update_scan_params_req_ex msg_body;
> > -       int ret;
> > -
> > -       mutex_lock(&wcn->hal_mutex);
> > -       INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ);
> > -
> > -       msg_body.dot11d_enabled = false;
> > -       msg_body.dot11d_resolved = true;
> > -
> > -       msg_body.channel_count = channel_count;
> > -       memcpy(msg_body.channels, channels, channel_count);
> > -       msg_body.active_min_ch_time = 60;
> > -       msg_body.active_max_ch_time = 120;
> > -       msg_body.passive_min_ch_time = 60;
> > -       msg_body.passive_max_ch_time = 110;
> > -       msg_body.state = PHY_SINGLE_CHANNEL_CENTERED;
> > -
> > -       PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
> > -
> > -       wcn36xx_dbg(WCN36XX_DBG_HAL,
> > -                   "hal update scan params channel_count %d\n",
> > -                   msg_body.channel_count);
> > -
> > -       ret = wcn36xx_smd_send_and_wait(wcn, msg_body.header.len);
> > -       if (ret) {
> > -               wcn36xx_err("Sending hal_update_scan_params failed\n");
> > -               goto out;
> > -       }
> > -       ret = wcn36xx_smd_update_scan_params_rsp(wcn->hal_buf,
> > -                                                wcn->hal_rsp_len);
> > -       if (ret) {
> > -               wcn36xx_err("hal_update_scan_params response failed err=%d\n",
> > -                           ret);
> > -               goto out;
> > -       }
> > -out:
> > -       mutex_unlock(&wcn->hal_mutex);
> > -       return ret;
> > -}
> > -
> >  static int wcn36xx_smd_add_sta_self_rsp(struct wcn36xx *wcn,
> >                                         struct ieee80211_vif *vif,
> >                                         void *buf,
> > diff --git a/drivers/net/wireless/ath/wcn36xx/smd.h b/drivers/net/wireless/ath/wcn36xx/smd.h
> > index 2c1ed9e570bf..4e39df5589b3 100644
> > --- a/drivers/net/wireless/ath/wcn36xx/smd.h
> > +++ b/drivers/net/wireless/ath/wcn36xx/smd.h
> > @@ -66,7 +66,6 @@ int wcn36xx_smd_finish_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode,
> >  int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode,
> >                           struct ieee80211_vif *vif);
> >
> > -int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn, u8 *channels, size_t channel_count);
> >  int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
> >                               struct cfg80211_scan_request *req);
> >  int wcn36xx_smd_stop_hw_scan(struct wcn36xx *wcn);
> > --
> > 2.49.0
> >
> 
-- 
 -----Open up your eyes, open up your mind, open up your code -------   
/ Dr. David Alan Gilbert    |       Running GNU/Linux       | Happy  \ 
\        dave @ treblig.org |                               | In Hex /
 \ _________________________|_____ http://www.treblig.org   |_______/