From patchwork Fri Jan 12 23:42:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bitterblue Smith X-Patchwork-Id: 762456 Received: from mail-wm1-f50.google.com (mail-wm1-f50.google.com [209.85.128.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C9DA21BDC6 for ; Fri, 12 Jan 2024 23:42:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="W9kUiCYH" Received: by mail-wm1-f50.google.com with SMTP id 5b1f17b1804b1-40e586a62f7so40454565e9.2 for ; Fri, 12 Jan 2024 15:42:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705102954; x=1705707754; darn=vger.kernel.org; h=content-transfer-encoding:subject:from:cc:to:content-language :user-agent:mime-version:date:message-id:from:to:cc:subject:date :message-id:reply-to; bh=0RIte2y7M1FzOvcoNgzcBwvhRHKktRIdQOz1wPsAZgM=; b=W9kUiCYHaxEAUOMWeHxNaHIjQIf7I63kWWdQroQdzBp+9moijsCUS5+Xt7smfr+FKn a+b0URi0VKk8zenn9mVzvPyVwU3un+tjppcOPkeM8+3gjASB2s98RmQiMOKWE+3/Luo8 tpyIksnrorJEapdmhjkagKZscixnmYj8Wk8jWEqapdOvw0pS62/QJvZTvPHk/FQVmkCL +xnwBo3Gf3TlVirRucHCYyU48h4j2HlivxMxXL5QSg3ISrw7kowm/+Q3I+CnvJ5W9RGq XBE92iTiR+614Uth+lg1AL7aC2a77c1GduVUPzaSKLX+3jcJQlTNGsSdBROExjuSM+5M Yn7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705102954; x=1705707754; h=content-transfer-encoding:subject:from:cc:to:content-language :user-agent:mime-version:date:message-id:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=0RIte2y7M1FzOvcoNgzcBwvhRHKktRIdQOz1wPsAZgM=; b=NzkRsOH8w24xfofENU7qo77dxXEzvHcdjIKjk7NJ3q0w7pEcekGChIOBM/xrzsPhv5 qwHO/xuGkdKr6rqc03DUP3n2E7+8tCEPeqR5c/Af1IksY9u0HeR4r4nwQFbQ51jx5VaP sDR5F6JiUb/u5WtKBf7a5XtcjDHc1X3SgKCaq6ymKLghXD6TwLv/NPWr2duLgcHaEgiY wOQkMIHRYxA0g4j+nQV6IR3vjbd4lVWkPYje8N3rJ8k+lEv0p06i8ErQZ0SlEBln7CWU NzZl3+uAXJDQq49/OWPRLP9CSMa90wJUjq7mvpcSsyio46Efdx88Nf5yN+az3oS351Ti Br4w== X-Gm-Message-State: AOJu0YyLU9CZRd/xcCIxFNDgLm4gbPPsPFwRVHtKU7VoUx/VZQYqIVJq 7DwxpirPTdKhgfonPHdDdrvAbRgHNMQ= X-Google-Smtp-Source: AGHT+IEP/Uj1Bys0EzaSWrkFiaQgZEI1HLv+SREkBqW96YF+PFtnIVS6hEjf8O6OUrRVW2kTLnECug== X-Received: by 2002:a05:600c:6a06:b0:40e:66ac:dfd7 with SMTP id jj6-20020a05600c6a0600b0040e66acdfd7mr963474wmb.87.1705102953703; Fri, 12 Jan 2024 15:42:33 -0800 (PST) Received: from [192.168.1.50] ([81.196.40.51]) by smtp.gmail.com with ESMTPSA id l22-20020a05600c4f1600b0040d6b91efd9sm11180319wmq.44.2024.01.12.15.42.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Jan 2024 15:42:33 -0800 (PST) Message-ID: <19a3e023-0eaa-4096-9f78-a2c8e909cb54@gmail.com> Date: Sat, 13 Jan 2024 01:42:29 +0200 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "linux-wireless@vger.kernel.org" Cc: Ping-Ke Shih , Larry Finger From: Bitterblue Smith Subject: [PATCH] wifi: rtlwifi: rtl8192de: Don't read register in _rtl92de_query_rxphystatus Instead of reading bit 9 of RFPGA0_XA_HSSIPARAMETER2 every time a frame is received, just use rtlphy->cck_high_power, which is initialised in _rtl92d_phy_bb_config(). That bit never changes anyway. With this change _rtl92de_query_rxphystatus() can be shared with the upcoming USB driver. The USB driver can't read registers in this function because register reading can sleep. Compile tested only. Signed-off-by: Bitterblue Smith Acked-by: Ping-Ke Shih --- "That bit never changes anyway." <- I'm 99% sure this is true. --- drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c index 02ac69c08ed3..192982ec8152 100644 --- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c @@ -42,6 +42,7 @@ static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw, bool packet_beacon) { struct rtl_priv *rtlpriv = rtl_priv(hw); + struct rtl_phy *rtlphy = &(rtlpriv->phy); struct rtl_ps_ctl *ppsc = rtl_psc(rtlpriv); struct phy_sts_cck_8192d *cck_buf; s8 rx_pwr_all, rx_pwr[4]; @@ -62,9 +63,7 @@ static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw, u8 report, cck_highpwr; cck_buf = (struct phy_sts_cck_8192d *)p_drvinfo; if (ppsc->rfpwr_state == ERFON) - cck_highpwr = (u8) rtl_get_bbreg(hw, - RFPGA0_XA_HSSIPARAMETER2, - BIT(9)); + cck_highpwr = rtlphy->cck_high_power; else cck_highpwr = false; if (!cck_highpwr) {