From patchwork Mon Feb 13 14:00:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 13138478 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E763EC636D4 for ; Mon, 13 Feb 2023 14:03:13 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRZOx-0006eX-Ub; Mon, 13 Feb 2023 09:01:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pRZOk-0006cS-S3 for qemu-devel@nongnu.org; Mon, 13 Feb 2023 09:01:40 -0500 Received: from forwardcorp1b.mail.yandex.net ([178.154.239.136]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pRZOa-0005ts-1M for qemu-devel@nongnu.org; Mon, 13 Feb 2023 09:01:29 -0500 Received: from myt6-23a5e62c0090.qloud-c.yandex.net (myt6-23a5e62c0090.qloud-c.yandex.net [IPv6:2a02:6b8:c12:1da3:0:640:23a5:e62c]) by forwardcorp1b.mail.yandex.net (Yandex) with ESMTP id 3BF2362305; Mon, 13 Feb 2023 17:01:19 +0300 (MSK) Received: from vsementsov-win.yandex-team.ru (unknown [2a02:6b8:b081:6527::1:3a]) by myt6-23a5e62c0090.qloud-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id 51j9w00QYCg1-PEdhi0Ot; Mon, 13 Feb 2023 17:01:18 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1676296878; bh=tBuAo+qSIh9zdCZ4HuXxxfZJD/NOd0omPSnUx98c5so=; h=Cc:Message-Id:References:Date:In-Reply-To:Subject:To:From; b=bMEsVN7akVdFGynrXa1ieAjP8Tkkgblq/gvCxGC43tp8IQt5nfcDBi+QzZgd+uQcW JbqTkK1xmksgYTydL4R2vz5weYzmgOxYqXg7jMbyYCbXpSV+BlM076cG2PLcWFoEza mz0UxM/uIjFhaWM+VcRc0RtxnBB+vegOv/gAxjkU= Authentication-Results: myt6-23a5e62c0090.qloud-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Cc: armbru@redhat.com, eblake@redhat.com, eduardo@habkost.net, berrange@redhat.com, pbonzini@redhat.com, marcel.apfelbaum@gmail.com, mst@redhat.com, philmd@linaro.org, vsementsov@yandex-team.ru, den-plotnikov@yandex-team.ru, antonkuchin@yandex-team.ru Subject: [PATCH v4 07/16] pcie: pcie_cap_slot_write_config(): use correct macro Date: Mon, 13 Feb 2023 17:00:54 +0300 Message-Id: <20230213140103.1518173-8-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230213140103.1518173-1-vsementsov@yandex-team.ru> References: <20230213140103.1518173-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 Received-SPF: pass client-ip=178.154.239.136; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1b.mail.yandex.net X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org PCI_EXP_SLTCTL_PIC_OFF is a value, and PCI_EXP_SLTCTL_PIC is a mask. Happily PCI_EXP_SLTCTL_PIC_OFF is a maximum value for this mask and is equal to the mask itself. Still the code looks like a bug. Let's make it more reader-friendly. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Anton Kuchin --- hw/pci/pcie.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index 924fdabd15..82ef723983 100644 --- a/hw/pci/pcie.c +++ b/hw/pci/pcie.c @@ -770,9 +770,9 @@ void pcie_cap_slot_write_config(PCIDevice *dev, * control of powered off slots before powering them on. */ if ((sltsta & PCI_EXP_SLTSTA_PDS) && (val & PCI_EXP_SLTCTL_PCC) && - (val & PCI_EXP_SLTCTL_PIC_OFF) == PCI_EXP_SLTCTL_PIC_OFF && + (val & PCI_EXP_SLTCTL_PIC) == PCI_EXP_SLTCTL_PIC_OFF && (!(old_slt_ctl & PCI_EXP_SLTCTL_PCC) || - (old_slt_ctl & PCI_EXP_SLTCTL_PIC_OFF) != PCI_EXP_SLTCTL_PIC_OFF)) { + (old_slt_ctl & PCI_EXP_SLTCTL_PIC) != PCI_EXP_SLTCTL_PIC_OFF)) { pcie_cap_slot_do_unplug(dev); } pcie_cap_update_power(dev);