From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5810B32E6BD for ; Tue, 9 Jun 2026 01:32:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780968742; cv=none; b=IoDKwiETRO9sVBQzTzm91gjDbsYAgNlT9XHri25D+u4EugHwYCTdqStfp384zzRPegdb66goJlRM2XkL/VAQE80lYTUvq0IaKR6j0Ge2nDrcU1X7wjk0iunV8XG85LidX/zGk6hYdD+O3cVH4yNSwkcl7n2VbvxweNYilKHj5ek= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780968742; c=relaxed/simple; bh=smVRpaCZIxDLyRWoZHXLUYpzGx3iLGVagavXEXO2aXM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=DKFHOqm3pkuWwVqI6rRd2Wq7EzDRkPHq4+CbULqiKrruNLKl8eiZyAVp7ukJL0XoeIXouJ7JczXC4ALakWne6ZbISia6oqsV1Y01Iu6ZBlXoLuERMcRIJVEwUALhBh8SnqcJarrMl7LOvcheI+2DhYIryZkfx8Pe9CR7x2IO33U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=h14k+c1M; arc=none smtp.client-ip=209.85.214.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="h14k+c1M" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-2bf2e8ccca1so35085375ad.0 for ; Mon, 08 Jun 2026 18:32:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780968739; x=1781573539; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=wLvmQCFNohOOsJ3JAW+RyfCTOssyDUr0gIAh//bmteA=; b=h14k+c1MXvAZ2WZRWrtBlPOCRWwIr7PO1nVu94qUAd2CTEwzRESG0Frh2RUnZNFxvL mCCv92hUsWypy1l9prDfunSdE4e7L59Rg6nIhMSaGbzgSwykOlQnYvrYh9u8m4dy06HE 9Ovk0eTfhBXGwgO0ROtejUMfcJEwqdog8JDG60ZvvtyTyt0b/Qk8R6KJioMOmACLfSXu NdEAoFej5RREXiOzJpwepGouAoi3ibCpqFSYRGeXGymmuQJQ95XDcn+1u3CDkOoFlnQb Rgad/DQ6bndY/6rpA9xELsGAunkjd0zcCkflzdjgJJNGD64ualDh0+n7OO3DkbTSJ7xj V0OQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780968739; x=1781573539; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=wLvmQCFNohOOsJ3JAW+RyfCTOssyDUr0gIAh//bmteA=; b=H1G628z5yBDjpTeP3or6nzdk1r8mml0ATQB+0pJL4haDxziL41TOOJVFKeE8Hwc6IO RkovamQokuIsGXqf5+PUzbGiTeIgO2+xgF5W76kOCgeYmkxqg7CHL5CcKTrycwE4nsgZ AO+JDhtGuIjPwmRaAXD+fkWHkkqdr1cYo5+a4nyRZE1c6tTo4X8Q6CjCgLUhnzmi+dUX e/aPYwsFydaZ6F1xLq7fZWBAFM056z2Prq8PxWDzYxk+PDS0Cp4b6FUAKaIhcs7cJA/s p1yPzI5NFMjjekB4WqyJIKW9ot4vymJng4XsgJ3reVqZKF+sCi0ZoeCLS/ToBk6sPE2r kbcQ== X-Forwarded-Encrypted: i=1; AFNElJ88RV7gZYo8zgjHY4xSg0ZscxUvffOyVjfQhmY9WLWiuZGrsAoY8g0RuPmdHLTQ157rDT9Ya7DuNRsJ@vger.kernel.org X-Gm-Message-State: AOJu0YyC8eCc0u50mI0XdNse3Ga/J0VFFxNbqSjTTLtGhdYZXBY015JJ UDrquGXb86eEOe8tFTPX5NNC2+RuNiwJEbUseYybaM1waz2zmmXDNAcb X-Gm-Gg: Acq92OH4UPirXApEX7a/TpBy40jLEnOulx8UesuEEIusxOhFAsu8b8r/DyYDhuzzQ4u 3rCMHI0ardRRWnolU+G21kEqFGVleNq/PKS3TZDVWBCen13EfWXWSDM7VJmfzLX7D9zYGJCoqdB E74LAWqBlrmvC3R+XAMcEE5EmsNGLEAbsHh4nydDj69GWUYGZVbAbgQN30KZPCVxEAaYtxSaml8 TVN4q3nNeBY+ipE5eJvDsJJraPAKEt/IMw/8gu+Urg8sBQ8FMMJgeKg5v12H6VmPP6rfTTK3Uyc mbMt++driVQn7Fg2StR7Cbp3rOqvmdw2m27Yya6pEYmNhMTp8Er3vbXL1aKw5hHAygLCVs0/RzB 3YJLDSsI4BOpe0QJ2ifmpl+Slax+NrpjFEt9g+dwIHUn+sMNqWdEoVZ8e8hI7VuuTL3Ka+yC9z2 DCzC54vbTpS4/JoaKTXI7f43ExyRiGbBl9xIT2Y6K4vwt/L7IkfbYYHdlHpOUSoxvCC+a+1tzim 9phGhk= X-Received: by 2002:a17:902:ced1:b0:2c0:fa4e:91f6 with SMTP id d9443c01a7336-2c1e7d41eabmr194574365ad.13.1780968738667; Mon, 08 Jun 2026 18:32:18 -0700 (PDT) Received: from phuc-desktop.. ([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c16609e627sm198765335ad.52.2026.06.08.18.32.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jun 2026 18:32:18 -0700 (PDT) From: phucduc.bui@gmail.com To: Kuninori Morimoto , Mark Brown , Geert Uytterhoeven Cc: Liam Girdwood , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Magnus Damm , Jaroslav Kysela , Takashi Iwai , linux-sound@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH v5 11/11] ASoC: renesas: fsi: Add SPU clock control in hw_startup/shutdown Date: Tue, 9 Jun 2026 08:31:07 +0700 Message-ID: <20260609013107.5995-12-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260609013107.5995-1-phucduc.bui@gmail.com> References: <20260609013107.5995-1-phucduc.bui@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc Enable and disable the SPU clock in fsi_hw_startup() and fsi_hw_shutdown() to ensure the clock is active while the driver accesses hardware registers. Suggested-by: Kuninori Morimoto Signed-off-by: bui duc phuc --- Changes in v5: - Drop spu_count and rely on the clk core for clock reference counting. sound/soc/renesas/fsi.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/sound/soc/renesas/fsi.c b/sound/soc/renesas/fsi.c index 80e87b815c1b..a1c463d73756 100644 --- a/sound/soc/renesas/fsi.c +++ b/sound/soc/renesas/fsi.c @@ -1560,6 +1560,11 @@ static int fsi_hw_startup(struct fsi_priv *fsi, struct device *dev) { u32 data = 0; + int ret; + /* enable spu bus bridge clock */ + ret = clk_enable(fsi->master->clk_spu); + if (ret < 0) + return ret; /* clock setting */ if (fsi_is_clk_master(fsi)) @@ -1617,6 +1622,8 @@ static int fsi_hw_shutdown(struct fsi_priv *fsi, /* stop master clock */ if (fsi_is_clk_master(fsi)) return fsi_clk_disable(dev, fsi); + /* stop spu bus bridge clock */ + clk_disable(fsi->master->clk_spu); return 0; } -- 2.43.0