From mboxrd@z Thu Jan 1 00:00:00 1970 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 5491ECD11BF for ; Mon, 25 Mar 2024 15:29:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1romFX-0002iL-9G; Mon, 25 Mar 2024 11:28:35 -0400 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 1romFV-0002hz-HD for qemu-devel@nongnu.org; Mon, 25 Mar 2024 11:28:33 -0400 Received: from mail-wm1-x335.google.com ([2a00:1450:4864:20::335]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1romFT-0000EL-P2 for qemu-devel@nongnu.org; Mon, 25 Mar 2024 11:28:33 -0400 Received: by mail-wm1-x335.google.com with SMTP id 5b1f17b1804b1-4148ca200a7so401995e9.0 for ; Mon, 25 Mar 2024 08:28:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1711380510; x=1711985310; darn=nongnu.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=TCoF0Ik2WJOdiDikaxpQR9jUBlogBxY6ArmfBRiXluk=; b=F3+kZXesV0U7HLq97j6uR1pPmQIwFdk/6BIVMoBjd2pC7PbcN+HfsJOmgpPZMQFFuW k0MlIlgK7kmBT5d+CUHqDmKcwBfIpLMar79bVQBXhsKf0uVaNThf3MUbgCr5gf44wkxG K6V612JhtH6kkRwZqCYxQuBVExhgVXc2CHN9my1Ko+lPg8beZO8MGxMTc4GqzdlONBZi UzRjyXrTRZOvWYK8I3rXwVM/f8hUXpeez0OVh+Im3JHsb7kzWsuRivaWTyJlBnNEuRRw acycl64UWHiTYyoSnLVL+p0DGm4WBxfdJ/+NbPPPxQhaLzB8zs5wjZ42dCTZIR6AO0AU Expw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711380510; x=1711985310; 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=TCoF0Ik2WJOdiDikaxpQR9jUBlogBxY6ArmfBRiXluk=; b=ejKHesYKmr7kPnPCYaLLlBGh6HVhJupSgLGAdIAddwBMTvqBzJmpxGaHj1IKEwdjOD PR0+4oyyPdY+/3lkVkwcRSumHQ8vJUKXTJj0jyy0v0/24B1kgVZMLdPsnasHY1VbBiqy HkIh99rHIhojS+eRQYa1NYNRyQD/hzqRMJn9/AbJt63TMueDBuPSIQOwnhqD3AXC2ueE yxn9KbjWJqCkrJb/UMLRfcH+5nPXYrWiIZBs62RbPuPowM0WlqQEpdXachWDRl6qzf63 ictfuIob2m3Roc6kkGDzhn9RpWXDq0BeegwLQQ45LbuX6wJxvu0NP18Kg3q4TpGf8e/r PmWA== X-Gm-Message-State: AOJu0YwXvfm1tNy+X2lWxpPw5WVzgr4AB62qU98kivcOaWvuAdp9vIQq RL0mOUr3+PBNoBFV7CQOBfGQAZBLgWmJNUgeI1s/pUuXQqFHd+WevdvsBL9+2oTkmv4PGz8E8Ob G/R4= X-Google-Smtp-Source: AGHT+IFPbnQi8nZLrkF/W7wtVL6ILis6jKJ6ES9goxOOqichZ/EJtEQnWe626R3+BCSxzmPLDqQjcQ== X-Received: by 2002:a05:600c:1386:b0:414:9fa:1da2 with SMTP id u6-20020a05600c138600b0041409fa1da2mr5053391wmf.15.1711380509796; Mon, 25 Mar 2024 08:28:29 -0700 (PDT) Received: from m1x-phil.lan ([176.187.208.214]) by smtp.gmail.com with ESMTPSA id q13-20020adfcd8d000000b0033eab3520a9sm9740497wrj.43.2024.03.25.08.28.28 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 25 Mar 2024 08:28:29 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: =?UTF-8?q?In=C3=A8s=20Varhol?= , Alistair Francis , qemu-arm@nongnu.org, Arnaud Minier , Damien Hedde , Peter Maydell , Luc Michel , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH-for-9.0 v3 0/3] hw/clock: Propagate clock changes when STM32L4X5 MUX is updated Date: Mon, 25 Mar 2024 16:28:23 +0100 Message-ID: <20240325152827.73817-1-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::335; envelope-from=philmd@linaro.org; helo=mail-wm1-x335.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 Since v2: - Simpler approach Since v1: - Rework API to only propagate when both clock_set and clock_set_mul_div modified the clock params (Peter & Luc). - Use that in zynq_slcr. Per https://www.qemu.org/docs/master/devel/clocks.html#clock-multiplier-and-divider-settings: Note that clock_set_mul_div() does not automatically call clock_propagate(). If you make a runtime change to the multiplier or divider you must call clock_propagate() yourself. Fix what we forgot to do that in recent commit ec7d83acbd ("hw/misc/stm32l4x5_rcc: Add an internal clock multiplexer object") Arnaud Minier (1): hw/misc/stm32l4x5_rcc: Propagate period when enabling a clock Philippe Mathieu-Daudé (2): hw/clock: Let clock_set_mul_div() return a boolean value hw/misc/stm32l4x5_rcc: Inline clock_update() in clock_mux_update() docs/devel/clocks.rst | 4 ++++ include/hw/clock.h | 4 +++- hw/core/clock.c | 8 +++++++- hw/misc/stm32l4x5_rcc.c | 9 +++++++-- 4 files changed, 21 insertions(+), 4 deletions(-) -- 2.41.0