From patchwork Thu Dec 26 01:13:54 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Dr. David Alan Gilbert" X-Patchwork-Id: 13920901 X-Patchwork-Delegate: kvalo@adurom.com Received: from mx.treblig.org (mx.treblig.org [46.235.229.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 10BFE182D0; Thu, 26 Dec 2024 01:14:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.229.95 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735175650; cv=none; b=nhqElyiosH3NbpAZcvGoY/5TFmoz1Sn8ZsOAqhifHKZVi1zFN608XGTL3gTDyWNrqR3bisBYvBzy9rI7RFZVoRAn6z77ZC5Wn3TEL0p02Bdab2h2g5Z7TDN2UntmX0TKLcMKVVvbUtuPfL+npWh50EEG7CfM0rY5xD3c3X1IHiw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1735175650; c=relaxed/simple; bh=TrpzMhk/hiw2YNUGDv8KvgtSjlC5YUyVaL8iNu+ukhg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sOuEKDPAuYxs6R9iW0T1kTzWDCpcnzl8C9Iwy0tgApEMVPwtQ71BsmdUG0NSq0X/2p+LgD+C1/tiZg/vPF/K+ZshURrGYCkXltQDCoY+Ch80hVYvHtRNpCgd3ROiSnJ8cSEC1cIdanMDReeIv7wnvr6ye0hOji1PSItMyz7sVCY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org; spf=pass smtp.mailfrom=treblig.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b=R20UgJ7s; arc=none smtp.client-ip=46.235.229.95 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=treblig.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=treblig.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=treblig.org header.i=@treblig.org header.b="R20UgJ7s" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=treblig.org ; s=bytemarkmx; h=MIME-Version:Message-ID:Date:Subject:From:Content-Type:From :Subject; bh=htMGniYlE/3z8UCQIt/xDXCDtVGaQRqdewXDtgS1OCY=; b=R20UgJ7so4rEDt+R u8htab/1vonxbOuh2zMXE12hBi0MKn0Jo+stFSGqbtWNcIHxUFbEglvZnA5xwmszERzKlHoperJ0R xFsk5YhmLhyUbWh37NEqOmBCmjAahjSRA/38gjgEKn5GX6VWfZy08H0+Rrf4LzMGTUNW7Cln8XZPm k7y1iZEewVDTk5DqiwDNvPyIMHDuZkLNFGrotIEE24yM5jwMoc1frQVZ5viYYc1U/+VkyaAl/K4RZ OWBJ7tF6tcAZZg6lVMEqwsEL3Z2OTuvG4CRMgqVj423hGm3TKjWatDu0qyb1+mvwvCIOTe7e8QX8h MLugbW3Tsqnz8bGFQg==; Received: from localhost ([127.0.0.1] helo=dalek.home.treblig.org) by mx.treblig.org with esmtp (Exim 4.96) (envelope-from ) id 1tQcRo-007EdY-1L; Thu, 26 Dec 2024 01:13:56 +0000 From: linux@treblig.org To: stf_xl@wp.pl, kvalo@kernel.org, linux-wireless@vger.kernel.org Cc: linux-kernel@vger.kernel.org, "Dr. David Alan Gilbert" Subject: [PATCH 1/2] wifi: iwlegacy: Remove unused il3945_calc_db_from_ratio Date: Thu, 26 Dec 2024 01:13:54 +0000 Message-ID: <20241226011355.135417-2-linux@treblig.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241226011355.135417-1-linux@treblig.org> References: <20241226011355.135417-1-linux@treblig.org> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: "Dr. David Alan Gilbert" The last use of il3945_calc_db_from_ratio() was removed in 2010 by commit ed1b6e99b5e6 ("iwlwifi: remove noise reporting") when it was still called iwl3945_calc_db_from_ratio(). Remove it. Signed-off-by: Dr. David Alan Gilbert --- .../net/wireless/intel/iwlegacy/3945-mac.c | 38 ------------------- drivers/net/wireless/intel/iwlegacy/3945.h | 1 - 2 files changed, 39 deletions(-) diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c index 74fc76c00ebc..4013443698a2 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c @@ -1127,44 +1127,6 @@ il3945_rx_queue_free(struct il_priv *il, struct il_rx_queue *rxq) rxq->rb_stts = NULL; } -/* Convert linear signal-to-noise ratio into dB */ -static u8 ratio2dB[100] = { -/* 0 1 2 3 4 5 6 7 8 9 */ - 0, 0, 6, 10, 12, 14, 16, 17, 18, 19, /* 00 - 09 */ - 20, 21, 22, 22, 23, 23, 24, 25, 26, 26, /* 10 - 19 */ - 26, 26, 26, 27, 27, 28, 28, 28, 29, 29, /* 20 - 29 */ - 29, 30, 30, 30, 31, 31, 31, 31, 32, 32, /* 30 - 39 */ - 32, 32, 32, 33, 33, 33, 33, 33, 34, 34, /* 40 - 49 */ - 34, 34, 34, 34, 35, 35, 35, 35, 35, 35, /* 50 - 59 */ - 36, 36, 36, 36, 36, 36, 36, 37, 37, 37, /* 60 - 69 */ - 37, 37, 37, 37, 37, 38, 38, 38, 38, 38, /* 70 - 79 */ - 38, 38, 38, 38, 38, 39, 39, 39, 39, 39, /* 80 - 89 */ - 39, 39, 39, 39, 39, 40, 40, 40, 40, 40 /* 90 - 99 */ -}; - -/* Calculates a relative dB value from a ratio of linear - * (i.e. not dB) signal levels. - * Conversion assumes that levels are voltages (20*log), not powers (10*log). */ -int -il3945_calc_db_from_ratio(int sig_ratio) -{ - /* 1000:1 or higher just report as 60 dB */ - if (sig_ratio >= 1000) - return 60; - - /* 100:1 or higher, divide by 10 and use table, - * add 20 dB to make up for divide by 10 */ - if (sig_ratio >= 100) - return 20 + (int)ratio2dB[sig_ratio / 10]; - - /* We shouldn't see this */ - if (sig_ratio < 1) - return 0; - - /* Use table for ratios 1:1 - 99:1 */ - return (int)ratio2dB[sig_ratio]; -} - /* * il3945_rx_handle - Main entry function for receiving responses from uCode * diff --git a/drivers/net/wireless/intel/iwlegacy/3945.h b/drivers/net/wireless/intel/iwlegacy/3945.h index ffbe11902628..fb1e33c89d0e 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945.h +++ b/drivers/net/wireless/intel/iwlegacy/3945.h @@ -173,7 +173,6 @@ struct il3945_ibss_seq { * for use by iwl-*.c * *****************************************************************************/ -int il3945_calc_db_from_ratio(int sig_ratio); void il3945_rx_replenish(void *data); void il3945_rx_queue_reset(struct il_priv *il, struct il_rx_queue *rxq); unsigned int il3945_fill_beacon_frame(struct il_priv *il,