From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-177131.yeah.net (mail-177131.yeah.net [123.58.177.131]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AA1297E8; Mon, 3 Jun 2024 02:51:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=123.58.177.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717383114; cv=none; b=ELqNT3ZJ+Xo+s70t+Qd28Bxnt5FYBtF9IYZ0UiekQ2hIyjpAsbDxvtitdm4mMtdB5R7V01yXLECTaKDR3X4RnsKYICK55ko8bGgrA3weWKB5EPScemda73fUkJ8wHKvmVVSK/+0zMpnzXz9SKnwfDdGxdyHUD/EqnWzlEc9P46Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717383114; c=relaxed/simple; bh=NiytJ2AMYvegxaHKEXtaqWHe+4LqIoAAvBf48/InMtc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Pp40kpbi4Fb2LIg2Caa8ZqQF11/q6MBG02uMGMP65vKWUca2IVUSXOrawinB7cB334i8H5LUGgJGBi7EqaPv4SsNgvvs9hzgJ4wK1Hp+dblvW2TCwB6M7zmN8LuGmSLWIKVD75TGwg5+AtcTh3XkNG8hs0KSMBHRI9tfiIbNkLc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net; spf=pass smtp.mailfrom=yeah.net; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b=hNL/uz0l; arc=none smtp.client-ip=123.58.177.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yeah.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yeah.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yeah.net header.i=@yeah.net header.b="hNL/uz0l" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yeah.net; s=s110527; h=Date:From:Subject:Message-ID:MIME-Version: Content-Type; bh=DYwujD+kR84TKzaju2fXFZQwbc6+rq3fIhZZ+IH4RxQ=; b=hNL/uz0lTLcW0fj3f3834Wn/lAEWEiXics/TiypTkmOf0aAZcSgaAUknSiatXt mtgRdnXaDTnjUJ9919cQoMnd9ie9pwEJ+za5BFsedm10HneqEkZ3El1TsTws1TID oHSwc9VoAKeg8PFQOF1cYgWcktZEbJScgrGLqLbUoVmxU= Received: from dragon (unknown [114.216.76.201]) by smtp1 (Coremail) with SMTP id ClUQrACHZu9rL11mpM4xBw--.38460S3; Mon, 03 Jun 2024 10:50:20 +0800 (CST) Date: Mon, 3 Jun 2024 10:50:19 +0800 From: Shawn Guo To: Esben Haabendal Cc: Russell King , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Dong Aisheng , Jacky Bai , Linus Walleij , Arnd Bergmann , Rasmus Villemoes , linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Subject: Re: [PATCH v2 1/3] ARM: imx: Allow user to disable pinctrl Message-ID: References: <20240506-imx-pinctrl-optional-v2-0-bdff75085156@geanix.com> <20240506-imx-pinctrl-optional-v2-1-bdff75085156@geanix.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240506-imx-pinctrl-optional-v2-1-bdff75085156@geanix.com> X-CM-TRANSID:ClUQrACHZu9rL11mpM4xBw--.38460S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrCFWxur43GF45Wrykur1fCrg_yoWxWFcE9F Wkta1kAryDCw42qr1kKF43Xryvka17WF9Y9ryqqry5Ka95Zwn7AFn5Jw45Cwn8tw4rW3sr Z3ZYqrn8tryavjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU0QdbUUUUUU== X-CM-SenderInfo: pvkd40hjxrjqh1hdxhhqhw/1tbiBQzyZVsVCm9ZPwAAsT On Mon, May 06, 2024 at 12:23:53PM +0200, Esben Haabendal wrote: > Making pinctrl drivers and subsequently the pinctrl framework > user-controllable, allows building a kernel without this. > While in many (most) cases, this could make the system unbootable, it > does allow building smaller kernels for those situations where picntrl > is not needed. > > One such situation is when building a kernel for NXP LS1021A systems, > which does not have run-time controllable pinctrl, so pinctrl framework > and drivers are 100% dead-weight. > > > Signed-off-by: Esben Haabendal Acked-by: Shawn Guo