From patchwork Fri Feb 23 14:53:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin Ian King X-Patchwork-Id: 1903339 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=R4Yn9mTo; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4ThCh11KcTz23d2 for ; Sat, 24 Feb 2024 01:53:51 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=R4Yn9mTo; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4ThCgz5cjNz3vXf for ; Sat, 24 Feb 2024 01:53:51 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=R4Yn9mTo; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2a00:1450:4864:20::32e; helo=mail-wm1-x32e.google.com; envelope-from=colin.i.king@gmail.com; receiver=lists.ozlabs.org) Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4ThCgh5GgWz3cFf for ; Sat, 24 Feb 2024 01:53:36 +1100 (AEDT) Received: by mail-wm1-x32e.google.com with SMTP id 5b1f17b1804b1-4129833e069so565975e9.2 for ; Fri, 23 Feb 2024 06:53:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1708700011; x=1709304811; darn=lists.ozlabs.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=s/a+7Lbr7oxAEnMW9lRS2BPIWRChV9WXDE8CQg9Hrfk=; b=R4Yn9mToPcJXTZ9NikG1FyFoH4WbMqMm4XFxaEdEfjTaDAsG8SKug5cFOrp/HB//D8 zHqCJtQFkoFTmPcimHKIi6eqR4x02qgfQOM9vRBqwat5W/8NionZ1g+dC2tHWg+lHBXB B0e3un9GkaUMmn7XxcZTqE+PnpSb90zZG04B7D3q03/mObcDm6mbVVDq3v+AWDQlpnbU qJd7scRWF6WPbY4dZphnkvMPSC9LMHUXvO5yuEHIvKKHDotwnI8Ww12IFa4pQsIfgVzR MF6KgCxNCLFgUmplkTXyE1HuS1+/LHI1fT1OUQ3RKWOeFVlAYowMihp+9Fm9lGsR1df5 Xd/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708700011; x=1709304811; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=s/a+7Lbr7oxAEnMW9lRS2BPIWRChV9WXDE8CQg9Hrfk=; b=oNPTs4ANIOvIHPSRT/GNBN74aUNXGlHiXaOKkvCQBs41LJGc4sH9wuL09PRHOcmQoq 24OL080z52swWIBZSaj/4CfY5MD6kBjHidDQbtT3K5eYXIdzgwhr2r8+RY0jpZs/K4XU a5zhgwwjf777atdoH7TNC2apvv9j3QYfOiA9Cvq/bs/HJ16teJie+fMWQy/0/LntZ5Xu OWwiHi3LDdpVkDvW8yOqnXkarkMcvHQDixXOpYQ3+qEyAbpUSrdZu+64rb6iGr6baB9U MxIVr/SX3ncdx/58YpB/DUgPIqkzxkh+YKKf6rYDYFTGpAM21lRq5qAmNDEjkIbDvuaW dNIw== X-Forwarded-Encrypted: i=1; AJvYcCXUFtrlDxCgLEBs4oiOg9ThpZYYx3dh2Sc5PYVA+5CJXdqTwBs/EO/tOS3q97DrjWsTFKNkXFNc9/UFScL6TRosAOdpzv9UZpoBcwQbJg== X-Gm-Message-State: AOJu0YylMd2uHzMhGIPrZ6EJMKDssqyiFAIZvxVTIlHc9+Y/EUXm/EUM 4oJ2ysMMhrYE8XVTHL9nKcMi/u0vgxNFX7AQSfLH1Wbe5bTPdcMQ X-Google-Smtp-Source: AGHT+IF35jagaTTZ5yDNpFhVTYaG+pRkNtNOoRROuGdHT169YIqL9YMhI6h0l9YJGvPC1RWOYJUXyw== X-Received: by 2002:a05:600c:1389:b0:412:952d:3c6a with SMTP id u9-20020a05600c138900b00412952d3c6amr44821wmf.13.1708700009287; Fri, 23 Feb 2024 06:53:29 -0800 (PST) Received: from localhost (cpc154979-craw9-2-0-cust193.16-3.cable.virginm.net. [80.193.200.194]) by smtp.gmail.com with ESMTPSA id t6-20020a05600c450600b0040fdf5e6d40sm2686953wmo.20.2024.02.23.06.53.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Feb 2024 06:53:28 -0800 (PST) From: Colin Ian King To: Roy Pledge , Li Yang , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH][next] soc: fsl: dpio: remove redundant assignment to pointer p Date: Fri, 23 Feb 2024 14:53:27 +0000 Message-Id: <20240223145327.3909835-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" There are two places where pointer p is being assigned a value that is never read, the pointer is re-assingned later. The assignments are redundant and can be removed. Cleans up two clang scan build warnings: drivers/soc/fsl/dpio/qbman-portal.c:662:3: warning: Value stored to 'p' is never read [deadcode.DeadStores] drivers/soc/fsl/dpio/qbman-portal.c:820:3: warning: Value stored to 'p' is never read [deadcode.DeadStores] Signed-off-by: Colin Ian King --- drivers/soc/fsl/dpio/qbman-portal.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/soc/fsl/dpio/qbman-portal.c b/drivers/soc/fsl/dpio/qbman-portal.c index 0a3fb6c115f4..03cc374f11d7 100644 --- a/drivers/soc/fsl/dpio/qbman-portal.c +++ b/drivers/soc/fsl/dpio/qbman-portal.c @@ -659,7 +659,6 @@ int qbman_swp_enqueue_multiple_direct(struct qbman_swp *s, if (!s->eqcr.available) { eqcr_ci = s->eqcr.ci; - p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI; s->eqcr.ci = qbman_read_register(s, QBMAN_CINH_SWP_EQCR_CI); s->eqcr.ci &= full_mask; @@ -817,7 +816,6 @@ int qbman_swp_enqueue_multiple_desc_direct(struct qbman_swp *s, full_mask = s->eqcr.pi_ci_mask; if (!s->eqcr.available) { eqcr_ci = s->eqcr.ci; - p = s->addr_cena + QBMAN_CENA_SWP_EQCR_CI; s->eqcr.ci = qbman_read_register(s, QBMAN_CINH_SWP_EQCR_CI); s->eqcr.available = qm_cyc_diff(s->eqcr.pi_ring_size, eqcr_ci, s->eqcr.ci);