From patchwork Thu Sep 15 00:41:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bryan O'Donoghue X-Patchwork-Id: 12976735 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D68BC6FA82 for ; Thu, 15 Sep 2022 00:41:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230182AbiIOAl2 (ORCPT ); Wed, 14 Sep 2022 20:41:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230170AbiIOAl0 (ORCPT ); Wed, 14 Sep 2022 20:41:26 -0400 Received: from mail-wm1-x32c.google.com (mail-wm1-x32c.google.com [IPv6:2a00:1450:4864:20::32c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B39FF86FFE for ; Wed, 14 Sep 2022 17:41:25 -0700 (PDT) Received: by mail-wm1-x32c.google.com with SMTP id az6so12816761wmb.4 for ; Wed, 14 Sep 2022 17:41:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date; bh=J//+WymCkxAKbyApy8R91YiSHN6Iph+FDvrIqQgf7Q0=; b=CcGShTlOE0aWLle2jb0G2g96FpzJWV0FTWW2ZSYCZE39XVoc8JInBM4nR3y0/vAbOi BveJp1DwGuzLqHdIwmV3h3Aj3LXsSYdkMT/vIqLLtvxCJcjbV3uu1PZa+BhzXUe/tpZG J+NXClbLPywnpkwtYAeG4LiiZZFHgF7frevTsjZLkjSu/wNNh5tgo7P5Mnh1rhNbUDIH 7+rxzmBBbYHPMLKf/VVWk4v+njM7ZXREvHcjpE5TXBGmVraYMRrg28u3BBUlLucSeMDF 6PgvoNeV8Yj7zM/LG894cAMwhOQ8j6J6XJbLvb1V9TtYg//qq8B9dn/lfOCshMV4sQ4m 4Ykg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date; bh=J//+WymCkxAKbyApy8R91YiSHN6Iph+FDvrIqQgf7Q0=; b=7EJe5BVCKbGNJ/n1p4aX4k5nuVANXa7ZAwD867i4KfM5QMCWIx3r9kl1o93FOVkS2B ogmYuESGjPyQUiGNpTsT//ub9jlMovK9EGWGX/LdFGyVFCxhFRDOffM4H6dGA+Zj+nap pso7xlxngx1q34K9ZATQX7dpKw01To4vEoUDMt8RWmIEpqy5me95XfwfF0sWA1ty2CH3 wW38kMstBEu1YXEdy+i3y2r3UTXmV5mpMV9m14XM5ZV4SQb3p7b6K4UIYsU1RF7NdF/f kY3RqRBvC8viORmg5H54bCsVY1dIgfvAYApUJsB1aTeVdLtb8eTssAnz39+I3RnHnU2u wX8Q== X-Gm-Message-State: ACgBeo2MwHrLckqV3M0BlE/81RtaiUC+anxO0VJZNrN/vXE4GuxBJ4GR REDVy79xXCvfDmotgsUy2lcV/Q== X-Google-Smtp-Source: AA6agR6hsAbIEn4dM3zpyXg6FbohTXcuVeebojTAMvh6TiDIp/77ziegBgAjUJvhD/ZpWIf2IYapBg== X-Received: by 2002:a05:600c:1da2:b0:3b4:856a:162c with SMTP id p34-20020a05600c1da200b003b4856a162cmr4736962wms.28.1663202484207; Wed, 14 Sep 2022 17:41:24 -0700 (PDT) Received: from sagittarius-a.chello.ie (188-141-3-169.dynamic.upc.ie. [188.141.3.169]) by smtp.gmail.com with ESMTPSA id d8-20020adfef88000000b002250c35826dsm645476wro.104.2022.09.14.17.41.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Sep 2022 17:41:23 -0700 (PDT) From: Bryan O'Donoghue To: loic.poulain@linaro.org, kvalo@kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com Cc: wcn36xx@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, bryan.odonoghue@linaro.org Subject: [PATCH v3 0/1] wcn36xx: Use SNR as a source of system entropy Date: Thu, 15 Sep 2022 01:41:16 +0100 Message-Id: <20220915004117.1562703-1-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org v3: - Add explict mask for lower-bits per Jason's preference v2: - Pass sizeof(s8) not sizeof(int) as Loic pointed out only eight bits of data are relevant in the SNR. - Reword the commit log. I didn't really like it on a second reading. It describes the theory a little better now I think. Bryan O'Donoghue (1): wcn36xx: Add RX frame SNR as a source of system entropy drivers/net/wireless/ath/wcn36xx/txrx.c | 4 ++++ 1 file changed, 4 insertions(+)