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[81.40.121.121]) by smtp.gmail.com with ESMTPSA id j5sm6615395wmb.15.2020.08.06.05.39.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2020 05:39:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=FNDqhM8BnSE18oBN3qPjUTS6kYdhfDUSkvSLUFeNsoY=; b=jaiTm7ijp25y3TICjcB7NWOez2tqEHlyDYC96MrY4tSzws85jII7tFIieDBge72i4W iF3+mjL9KTi0dSXvm/GgDAvK1aGpV3itb6tirRbnGr1BjcrGwHAjcf9wVd2NDo1ieYUT 6wDyz2OB+8u03JaJfeq1l+d7N9L4eTblIxcZVjckyvYqXkWtpZDMH96rha5BJz1pue7g Z80a8K9VzjgEirX9T8Tg+5rDh+7t3IaFV1hcn30fIUtIW/HDvn0urymhxi/JWrBdD/Mz wlFgvwAkFACnL8GNCPBgpdTF40swmJ+ZivusabUShLNFlU1MEItwb3V3H1qQqgX19KcZ 0nCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=FNDqhM8BnSE18oBN3qPjUTS6kYdhfDUSkvSLUFeNsoY=; b=LkZH58nCQzuSPCcVqirRRKfDRtsYzO8NjuQQLZmpsAYp1KF6U0w3Bw/ocqheXDBM61 taTz0MmFbL96pg6fycU44HKo/PYfD1AqOQXmYs6r3ITU0uvrNLdCUEWge+edLpFECnyk tXZyz0x4t9ZG5n5CYFTN1nByelS85EvM71/NnWNOPDzd6IBG+2Y6qtWx/seJrGO3kcvC MpvyA/5c/XZSiv1MFRm01IsF5/PEroVHspmsOm0f1beIVfdxKrXEBl7FyZVo67RV2EnZ nX0+nQAUhA8ZYfIzJHLSBZLz92hmA8QtXtbtdcZHqf4P9d7wZACulK6fOOyHt/31WvH6 MgMA== X-Gm-Message-State: AOAM531j7xc24oywwTSUGEZ1FiWQda7mTisHqQPaTr9YFZ6XJbUL/IZV +0hgNSmitRKGDSiVWLK+H0GZuREu X-Google-Smtp-Source: ABdhPJyTyt4M2RvJmPvEW8RgfXWlM34FmpwMUEYHkbvK/tYKIXrUilCFDtC6pR2KQPEa6wM/QD0GKQ== X-Received: by 2002:adf:ce89:: with SMTP id r9mr7790475wrn.116.1596717541819; Thu, 06 Aug 2020 05:39:01 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH-for-5.2 1/3] hw/clock: Remove unused clock_init*() functions Date: Thu, 6 Aug 2020 14:38:56 +0200 Message-Id: <20200806123858.30058-2-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200806123858.30058-1-f4bug@amsat.org> References: <20200806123858.30058-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x430.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: 0 X-Spam_score: 0.0 X-Spam_bar: / X-Spam_report: (0.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=1, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Damien Hedde , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) clock_init*() inlined funtions are simple wrappers around clock_set*() and are not used. Remove them in favor of clock_set*(). Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- include/hw/clock.h | 13 ------------- 1 file changed, 13 deletions(-) diff --git a/include/hw/clock.h b/include/hw/clock.h index f822a94220..468fed0996 100644 --- a/include/hw/clock.h +++ b/include/hw/clock.h @@ -209,17 +209,4 @@ static inline bool clock_is_enabled(const Clock *clk) return clock_get(clk) !=3D 0; } =20 -static inline void clock_init(Clock *clk, uint64_t value) -{ - clock_set(clk, value); -} -static inline void clock_init_hz(Clock *clk, uint64_t value) -{ - clock_set_hz(clk, value); -} -static inline void clock_init_ns(Clock *clk, uint64_t value) -{ - clock_set_ns(clk, value); -} - #endif /* QEMU_HW_CLOCK_H */ --=20 2.21.3 From nobody Mon Feb 9 12:44:48 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1596717619; cv=none; d=zohomail.com; s=zohoarc; b=l/cAPvrNDmrnLvtbG1UCwU+DuOto+lP9wJ/pNoC9x/3J2OpBQQaSCIaQrEX/Kk1OVaxtwflhmel97XakpwFWJmqhTDICo0o13CeYaMpiSd3ZWPinIiXLqT9W746ORLmMTQqBI52rgT4uQaXGcVLE5uDMiz402IvmAnnWX6x01PE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1596717619; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=rRIMjMRCJ85r9XPfKeWQ6ALRZZNTPRI0iIj98UEuY4s=; b=ILmafgak3VpIO0+veV0eH9TbnL74ZAD4K+qHx9dLWrgYPMl52W1FUZCWpoZ+dEX8ZR0yLp8K+dqI+tdXalhTkDri/Kl/QKwmBDfnEd8sPaRJ6sGPp13IMfbxwD/aYTHeSI/2M+IS9GltCjP9465UUW41L7NuY+MFsWK6u3Nf4sc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1596717619680420.43945988388066; Thu, 6 Aug 2020 05:40:19 -0700 (PDT) Received: from localhost ([::1]:47078 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k3fBy-0000N3-Et for importer@patchew.org; Thu, 06 Aug 2020 08:40:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38600) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k3fAo-0007Vm-O0 for qemu-devel@nongnu.org; Thu, 06 Aug 2020 08:39:06 -0400 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]:44830) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k3fAn-0004Jk-2S for qemu-devel@nongnu.org; Thu, 06 Aug 2020 08:39:06 -0400 Received: by mail-wr1-x443.google.com with SMTP id c15so7627991wrs.11 for ; Thu, 06 Aug 2020 05:39:04 -0700 (PDT) Received: from localhost.localdomain (121.red-81-40-121.staticip.rima-tde.net. [81.40.121.121]) by smtp.gmail.com with ESMTPSA id j5sm6615395wmb.15.2020.08.06.05.39.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2020 05:39:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rRIMjMRCJ85r9XPfKeWQ6ALRZZNTPRI0iIj98UEuY4s=; b=t4dT7HUL6NlYdA9cKe1oGPxMwV9QWExBsG4QF8WgOiC7Nc7JiIuV8unCsqsCTQ/uyq J/arIQLfCUV4NQI88svCopGqM/uq92pYYW0D7vx1ekovZ7Q9mCXgB90sd2+FSL6SgpCG +wzc4SLrEc1hZa6ETmv2IC4gfBTZhdz+Ta1yaIgFwmF51r6NJtS2UpdU0VjhkS7IkOXR MgHiG+cvOuLbQz9WDBrW5esHh/Y1vj3P/D8wXKTU2W7/3liry+eH//yMGOHAtVUkUgUY akw1ACSDeedNOQBPgUnQ3ZFKIMjtWur3/KSP5C00kDjGYMLn651pdgaVKt7XBPzBfgIv kvXA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=rRIMjMRCJ85r9XPfKeWQ6ALRZZNTPRI0iIj98UEuY4s=; b=B3FV/sLop80Pp3nGjh7E6CLZq5T8txjpnaCnTNlKlGKS4eH+hYpRehIPzSjcoyFefy H5Js0gzjPQ8UTisRAWBKaph/S2g9WJUu38WTrf+hZzXlcnRPA9QjzkbOWGgGzlZnpf6L TPoTDW0jPI6OWKwG8gkZ+N9YJXzTa1timf+N7NpOBRZnammvmfoVwN5NBTsRM0Njray+ 7yEMkHpDLbHwNwkW6CPBqORP+VNfZDxHieVpH9SrqZi1nBcjQpdVDTSSgP+h1e1gPu+F hq4LnWKunHRPRrXeFMPOZl/DsJzKXoqb64e8TpB+SVa1jPbr/7UzfstFp+N+3qpCqP3U K4vA== X-Gm-Message-State: AOAM531heAf1Hb40tnqwTRhmdN/rUZqYAvrSnwqvQoDeOFenuDrkll3I gZTuJCxafIDPmmEcN1F1b5GOubMt X-Google-Smtp-Source: ABdhPJzKxiK1QNwsxDLfMB9vgEWq/TqwmqaTdpY+sXQKECIEIZvKXSDjEuQsG4hFalGi6mVFx9p7IA== X-Received: by 2002:adf:b602:: with SMTP id f2mr6942460wre.186.1596717543131; Thu, 06 Aug 2020 05:39:03 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH-for-5.2 2/3] hw/clock: Let clock_set() return boolean value Date: Thu, 6 Aug 2020 14:38:57 +0200 Message-Id: <20200806123858.30058-3-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200806123858.30058-1-f4bug@amsat.org> References: <20200806123858.30058-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::443; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x443.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: 0 X-Spam_score: 0.0 X-Spam_bar: / X-Spam_report: (0.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=1, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Damien Hedde , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Let clock_set() return a boolean value whether the clock has been updated or not. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- include/hw/clock.h | 12 +++++++----- hw/core/clock.c | 7 ++++++- 2 files changed, 13 insertions(+), 6 deletions(-) diff --git a/include/hw/clock.h b/include/hw/clock.h index 468fed0996..d85af45c96 100644 --- a/include/hw/clock.h +++ b/include/hw/clock.h @@ -127,17 +127,19 @@ void clock_set_source(Clock *clk, Clock *src); * @value: the clock's value, 0 means unclocked * * Set the local cached period value of @clk to @value. + * + * @return: true if the clock is changed. */ -void clock_set(Clock *clk, uint64_t value); +bool clock_set(Clock *clk, uint64_t value); =20 -static inline void clock_set_hz(Clock *clk, unsigned hz) +static inline bool clock_set_hz(Clock *clk, unsigned hz) { - clock_set(clk, CLOCK_PERIOD_FROM_HZ(hz)); + return clock_set(clk, CLOCK_PERIOD_FROM_HZ(hz)); } =20 -static inline void clock_set_ns(Clock *clk, unsigned ns) +static inline bool clock_set_ns(Clock *clk, unsigned ns) { - clock_set(clk, CLOCK_PERIOD_FROM_NS(ns)); + return clock_set(clk, CLOCK_PERIOD_FROM_NS(ns)); } =20 /** diff --git a/hw/core/clock.c b/hw/core/clock.c index 3c0daf7d4c..7066282f7b 100644 --- a/hw/core/clock.c +++ b/hw/core/clock.c @@ -34,11 +34,16 @@ void clock_clear_callback(Clock *clk) clock_set_callback(clk, NULL, NULL); } =20 -void clock_set(Clock *clk, uint64_t period) +bool clock_set(Clock *clk, uint64_t period) { + if (clk->period =3D=3D period) { + return false; + } trace_clock_set(CLOCK_PATH(clk), CLOCK_PERIOD_TO_NS(clk->period), CLOCK_PERIOD_TO_NS(period)); clk->period =3D period; + + return true; } =20 static void clock_propagate_period(Clock *clk, bool call_callbacks) --=20 2.21.3 From nobody Mon Feb 9 12:44:48 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=amsat.org ARC-Seal: i=1; a=rsa-sha256; t=1596717701; cv=none; d=zohomail.com; s=zohoarc; b=MDaamP5mXPLg1idDgzKho5bcT5g/Szlx5ygd2cubJqLq8DLj7yRQEOcN0X/qWKb2FUUUeroFLp//1Ne0h7gtACAhuXg+0pzkynmpOOqgfXatwb/PJW2gOc4cw76KiOmU0hTArTwhWa5kXlLLL9c2y0Mr0Y8QGf9pB+krEDiTa3M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1596717701; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=qmRyE1Mkm8Vubn9zx81Xdm8VLm6bfTzeQ1FPEWQdai8=; b=OLdcaNq/0sf2PJejBowzoy2xk7sbeDI7Cxxel81QzWr7D7wydXj/F6UfdBLc5Sg2zSDjZ9Sc3YYivBhHEM/ZX0kC/cNydW/lCXfmbY/4YWL4UwIc/DGiOjUiCQ2BxSQlndao/73rSPOLc9qBUcKG0Yzla9kcwXvZypppRgkdvJg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 159671770146655.787145631598946; Thu, 6 Aug 2020 05:41:41 -0700 (PDT) Received: from localhost ([::1]:51330 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k3fDI-0002BS-8h for importer@patchew.org; Thu, 06 Aug 2020 08:41:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38624) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k3fAq-0007ZS-Mm for qemu-devel@nongnu.org; Thu, 06 Aug 2020 08:39:08 -0400 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]:55068) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k3fAp-0004K6-8C for qemu-devel@nongnu.org; Thu, 06 Aug 2020 08:39:08 -0400 Received: by mail-wm1-x335.google.com with SMTP id d190so8694846wmd.4 for ; Thu, 06 Aug 2020 05:39:06 -0700 (PDT) Received: from localhost.localdomain (121.red-81-40-121.staticip.rima-tde.net. [81.40.121.121]) by smtp.gmail.com with ESMTPSA id j5sm6615395wmb.15.2020.08.06.05.39.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 06 Aug 2020 05:39:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=qmRyE1Mkm8Vubn9zx81Xdm8VLm6bfTzeQ1FPEWQdai8=; b=owI3qGqKATKM/4OsqcWrKRBmStP8N+KpcELoOXcQMy5lxag03iIUfFpXhtpZLSrV0k o5XKuzTSXDkj8tU5YNClYbT1dPOeQjNzIoCgYrSh1jROf6WSCvnDio5jpFEyrqZgkvcI 9kQ57xcaka26a1TR+dRwbcW5e+hZh6YeJuGFDeq96XQ6UMhcCLD5glDGxxvKHsaVbxeL AEeB7aqwsswPAPCG7BcFfJ+MkA5myexfW0z00v9NS8lST3dTx+REudVc+zMuUMcQ2S1a SxwvNauQzcstK1B3EjAjtKleSmCtyRjtHTUdaUAZZ2/xUnoWpUCitgcrO55mhJLch03V D6ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=qmRyE1Mkm8Vubn9zx81Xdm8VLm6bfTzeQ1FPEWQdai8=; b=YMVI0/WJ8uyzOuaa8JnoSh9r9eF62sqEDc+X2pL08madKnbF3e5JLAFHgdUrSySz/r G9b12i0c20PfWOBY1OzGnQCO6Qq+9vhPUeCEuU6Wg6xxKnqn07fyZi4pbEXI9GwC41p1 TvpmfL1eXRoiXSjOsTFJESNWwaYeQmGW6Vw6FQo0YAIx7dAwkTqbMk0mcsMeCMSjpzZ0 mjHHXFiQ5BBMRwop1gE2RAS5BQwgicYqqDdvC0l0oKeUhXtzaBs6qaLVuvcIxaQvNe7p h/F3W6EkBtF8EIIQZi6E8GzW1SDUXmum5+q4pmZwHCN4ZoidNLHW2sgqpyLHHg3vv2my D5kw== X-Gm-Message-State: AOAM530Pg6iiwDbBAiiB0uEtM0DOMd2EyKaFqNODzwnPa+gUM/iH09ge eKsi45Mwgc8z0zlbE6M1b8+qTLt9 X-Google-Smtp-Source: ABdhPJxp3Ffw8jt8L6Z2EVxL7WDY1v5vRRFCdS40SVDleJSE6f1G5zFVHx9+UvnlqoIm3NBGcQTGzg== X-Received: by 2002:a05:600c:21c2:: with SMTP id x2mr8167486wmj.142.1596717545309; Thu, 06 Aug 2020 05:39:05 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH-for-5.2 3/3] hw/clock: Only propagate clock changes if the clock is changed Date: Thu, 6 Aug 2020 14:38:58 +0200 Message-Id: <20200806123858.30058-4-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200806123858.30058-1-f4bug@amsat.org> References: <20200806123858.30058-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x335.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: 0 X-Spam_score: 0.0 X-Spam_bar: / X-Spam_report: (0.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=1, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Damien Hedde , Peter Maydell , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Avoid propagating the clock change when the clock does not change. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- include/hw/clock.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/include/hw/clock.h b/include/hw/clock.h index d85af45c96..9ecd78b2c3 100644 --- a/include/hw/clock.h +++ b/include/hw/clock.h @@ -165,8 +165,9 @@ void clock_propagate(Clock *clk); */ static inline void clock_update(Clock *clk, uint64_t value) { - clock_set(clk, value); - clock_propagate(clk); + if (clock_set(clk, value)) { + clock_propagate(clk); + } } =20 static inline void clock_update_hz(Clock *clk, unsigned hz) --=20 2.21.3