From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f46.google.com (mail-wr1-f46.google.com [209.85.221.46]) (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 4ADC1268C45 for ; Fri, 14 Feb 2025 18:20:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.46 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739557247; cv=none; b=eHuQTNwkLy2N2RBBb//CM64IPzS2X7176YlTuulUOn0ehZxH1Mn0mIHUrScMOrhACLDPukhVSTeSSy4iiABtdiWRZ384XA8VAo0xnHe6LiFi0Wa/aiLZL/qSkU8pT1U0dhdH9WxCwod7GM2dg8b+4f6mXtdohE0mm8MyHAg/y7Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739557247; c=relaxed/simple; bh=hGm6bdP44W45VjFKx4g3WtxK7XzlXxi7Onetxlpq+ME=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=LwvPcqcWCv/c+kJsx0C5gMl6xLzkXubrabqL/8us6yIFbA0WeZ1mamrkCUM4qY09WH5s/rZDdkAzuyCTUuoyOjn7yuu+WTQsZ3Ykaq2h/2rKQPZ9NYqhstHujvjTV5kp75xjhV8VQbPhB2DyVIpsGKCOUBZyqKZplY68fIIzvCg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=bsu41QDY; arc=none smtp.client-ip=209.85.221.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="bsu41QDY" Received: by mail-wr1-f46.google.com with SMTP id ffacd0b85a97d-38f2f783e4dso638463f8f.3 for ; Fri, 14 Feb 2025 10:20:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1739557243; x=1740162043; darn=vger.kernel.org; h=mime-version:message-id:date:user-agent:references:in-reply-to :subject:cc:to:from:from:to:cc:subject:date:message-id:reply-to; bh=LiwQPv6ok4yIcjSGgvmUI+UqSRNOd6zqIh/ZijyeTno=; b=bsu41QDYFLNrNhi9hk8XS9pEFPPqCvqc0/JZ2EGSvXH51g6hslzu7hXAQwfDePAZj0 F9gKY75BYPZIN2YYH14G+pIFae+MG+sYhs3nVYmjaw41LkVLHigAmJ57DjEG0aE0LrvN nMMOXTwcKBBNUx6ZjCUTWJyMW/ruEFPHqoEw1suNxeQ2+2wpPTHMAx96bRV2reyZ2lJi caTrTacYrbNc2Wfn5wn1xdcWmvFAPIkdx7wdRQ9qpAT0VQXFMHaVbKbYx1RvOFCNBc2d CcHsUFIXLIu9IFud85FIuUxfewBYWKfQJj56Gn8rKQbheYUVe00eGU3ax4ANfU84Cxzd qAVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739557243; x=1740162043; h=mime-version:message-id:date:user-agent:references:in-reply-to :subject:cc:to:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=LiwQPv6ok4yIcjSGgvmUI+UqSRNOd6zqIh/ZijyeTno=; b=w5ZDn0vayubzhJBuHtVREq5DgVwN+AdEJiiSLTKF/rJmw/03hl5z7n+9aD2Dx4FGOI iUOthVeU3/36pLl3uZiYQ34Xqbz+tyX4FYwVOc8PNmFYjtArz+QRwTyUsbRGeQxQqom7 hHp8f/q4Ot3RU0USzq+jWoDqAB8guBGf4jkO9QqtMSd7HMuB2LAoRYiiFdewV4VOKdAd 7ImI1xO73XlUWf9ez/AI1TvYdcUPoggfmmzIj/K16S7rKgPvqjmyLVq6/hRJjmm/gnb6 7pWNbleyXh8blQtQiWljbtp27VCfFU6jyoNVlzlzPAIy8SBq2uZTkru98+pF4gO8EI2G X71w== X-Forwarded-Encrypted: i=1; AJvYcCVvM/eFS3IoNadU6xGhsHcU2lxNfOg7TrxP47DWm5s27eYUj3I1CXedD15XLNT8MsCy44V5EqpF5G8=@vger.kernel.org X-Gm-Message-State: AOJu0YynHDiQ8JnBzR7sYtuOGKBjApm3hkXl6KRZTbaaTgdysEvolgso UMpmkwP+zkGclEKIN2iGAzIQBz8YSKg2Rg/G1af/PQs8RTM1j6FK+mlpFs1CjJM= X-Gm-Gg: ASbGnctplmrTwFnXUAN/JlvaowTo8I3Vai9Y5G5qHLm9d101AgArYkZ3K5cky7roVeU pFQ907tWked05HbqQBDZxuo0RQwIrTfaH/43peq4k/ii4T9BWeQWBsllaDB4+8Oa2szOV7AnyFv YiJoQlunx0e8PIi+TakwL3DGaEjLA9kH6E3I4St8q5FvPILbCOo697+O+AOfwqqj5BVbTzxSGQs tLzBH6o9kfAvJ7Rdc0tLMM4yd51b4aHaN6yDPTtZnOmso3EfCN4L26QrWj7wM46fJW71uPD2ItK KWstPLMFSU8tzg== X-Google-Smtp-Source: AGHT+IHsTHTiL3wJj3nrHf3yF9cKckC3Rmpa9H0r1If+8TaecjIo4Dqny2vOXtw6IlfG2e9gn40oVw== X-Received: by 2002:a05:6000:1542:b0:38d:d4b5:84d5 with SMTP id ffacd0b85a97d-38f33f14a9dmr31093f8f.8.1739557243484; Fri, 14 Feb 2025 10:20:43 -0800 (PST) Received: from localhost ([2a01:e0a:3c5:5fb1:7018:8c7:bdd4:3436]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-43961884e88sm49912865e9.26.2025.02.14.10.20.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2025 10:20:42 -0800 (PST) From: Jerome Brunet To: Ira Weiny Cc: Greg Kroah-Hartman , Dave Ertman , "Rafael J. Wysocki" , "Stephen Boyd" , Arnd Bergmann , Danilo Krummrich , Conor Dooley , Daire McNamara , Philipp Zabel , Douglas Anderson , Andrzej Hajda , Neil Armstrong , "Robert Foss" , Laurent Pinchart , Jonas Karlman , "Jernej Skrabec" , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Hans de Goede , Ilpo =?utf-8?Q?J=C3=A4rvinen?= , Bryan O'Donoghue , Vladimir Kondratiev , Gregory CLEMENT , =?utf-8?Q?Th=C3=A9o?= Lebrun , Michael Turquette , "Abel Vesa" , Peng Fan , Shawn Guo , Sascha Hauer , "Pengutronix Kernel Team" , Fabio Estevam , Kevin Hilman , Martin Blumenstingl , , , , , , , , , Subject: Re: [PATCH v3 6/7] clk: clk-imx8mp-audiomix: use the auxiliary device creation helper In-Reply-To: <67af6c284c349_1614f3294dd@iweiny-mobl.notmuch> (Ira Weiny's message of "Fri, 14 Feb 2025 10:15:36 -0600") References: <20250211-aux-device-create-helper-v3-0-7edb50524909@baylibre.com> <20250211-aux-device-create-helper-v3-6-7edb50524909@baylibre.com> <67af6c284c349_1614f3294dd@iweiny-mobl.notmuch> User-Agent: mu4e 1.12.8; emacs 29.4 Date: Fri, 14 Feb 2025 19:20:40 +0100 Message-ID: <1jr040xu9z.fsf@starbuckisacylon.baylibre.com> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Fri 14 Feb 2025 at 10:15, Ira Weiny wrote: > Jerome Brunet wrote: >> The auxiliary device creation of this driver is simple enough to >> use the available auxiliary device creation helper. >> >> Use it and remove some boilerplate code. >> >> Signed-off-by: Jerome Brunet >> --- >> drivers/clk/imx/clk-imx8mp-audiomix.c | 56 ++++------------------------------- >> 1 file changed, 6 insertions(+), 50 deletions(-) >> >> diff --git a/drivers/clk/imx/clk-imx8mp-audiomix.c b/drivers/clk/imx/clk-imx8mp-audiomix.c >> index c409fc7e061869988f83c7df3ef7860500426323..988a5fffeb4e0e481ec57038d9d1f1b43432fc98 100644 >> --- a/drivers/clk/imx/clk-imx8mp-audiomix.c >> +++ b/drivers/clk/imx/clk-imx8mp-audiomix.c >> @@ -228,64 +228,20 @@ struct clk_imx8mp_audiomix_priv { >> struct clk_hw_onecell_data clk_data; >> }; >> >> -#if IS_ENABLED(CONFIG_RESET_CONTROLLER) > > I see the Kconfig ... > > select AUXILIARY_BUS if RESET_CONTROLLER > > But I don't see how this code is omitted without AUXILIARY_BUS. Is this > kconfig check safe to remove? Ahhh that's what this directive was for. I thought it was really odd to have an #if on RESET while auxialiary device was supposed to properly decouple the clock and reset part. To keep things as they were I'll add an #if on CONFIG_AUXILIARY_BUS I wonder if this driver should select CONFIG_AUXILIARY_BUS instead ? > > Ira > >> - >> -static void clk_imx8mp_audiomix_reset_unregister_adev(void *_adev) >> -{ >> - struct auxiliary_device *adev = _adev; >> - >> - auxiliary_device_delete(adev); >> - auxiliary_device_uninit(adev); >> -} >> - >> -static void clk_imx8mp_audiomix_reset_adev_release(struct device *dev) >> +static int clk_imx8mp_audiomix_reset_controller_register(struct device *dev) >> { >> - struct auxiliary_device *adev = to_auxiliary_dev(dev); >> - >> - kfree(adev); >> -} >> - >> -static int clk_imx8mp_audiomix_reset_controller_register(struct device *dev, >> - struct clk_imx8mp_audiomix_priv *priv) >> -{ >> - struct auxiliary_device *adev __free(kfree) = NULL; >> - int ret; >> + struct auxiliary_device *adev; >> >> if (!of_property_present(dev->of_node, "#reset-cells")) >> return 0; >> >> - adev = kzalloc(sizeof(*adev), GFP_KERNEL); >> - if (!adev) >> - return -ENOMEM; >> - >> - adev->name = "reset"; >> - adev->dev.parent = dev; >> - adev->dev.release = clk_imx8mp_audiomix_reset_adev_release; >> - >> - ret = auxiliary_device_init(adev); >> - if (ret) >> - return ret; >> - >> - ret = auxiliary_device_add(adev); >> - if (ret) { >> - auxiliary_device_uninit(adev); >> - return ret; >> - } >> - >> - return devm_add_action_or_reset(dev, clk_imx8mp_audiomix_reset_unregister_adev, >> - no_free_ptr(adev)); >> -} >> - >> -#else /* !CONFIG_RESET_CONTROLLER */ >> + adev = devm_auxiliary_device_create(dev, "reset", NULL, 0); >> + if (IS_ERR_OR_NULL(adev)) >> + return PTR_ERR(adev); >> >> -static int clk_imx8mp_audiomix_reset_controller_register(struct device *dev, >> - struct clk_imx8mp_audiomix_priv *priv) >> -{ >> return 0; >> } >> >> -#endif /* !CONFIG_RESET_CONTROLLER */ >> - >> static void clk_imx8mp_audiomix_save_restore(struct device *dev, bool save) >> { >> struct clk_imx8mp_audiomix_priv *priv = dev_get_drvdata(dev); >> @@ -408,7 +364,7 @@ static int clk_imx8mp_audiomix_probe(struct platform_device *pdev) >> if (ret) >> goto err_clk_register; >> >> - ret = clk_imx8mp_audiomix_reset_controller_register(dev, priv); >> + ret = clk_imx8mp_audiomix_reset_controller_register(dev); >> if (ret) >> goto err_clk_register; >> >> >> -- >> 2.45.2 >> -- Jerome