From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7F75B38AC9A for ; Wed, 19 Aug 2026 21:23:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787174589; cv=none; b=i3WfKi6wDUnGtHau45BxrNA00w2ou2AGERJRR11rED3LWb6nQhO7PHbkmkKwSaw33aSeHCe36+IUJOjY7EoSFQ5SLMGEdnkvCIQIpWptlyMtcuTneC2JKTZ0+YLkAwyJ8I8tab7iLlImZeN2OtXaoC6JPOCc7IIJAngsjPto81Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787174589; c=relaxed/simple; bh=e86+tyxRdQKzE4t52ZefcteM0bRE88sbIL68NZYIiAc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=RsG7see9xh4vFMPOEkpq5f7hAncNTl60tXeJppN0XA04yf+2mOq1gj3cEkzAq/LS9NDZJQijM72biVJ+zvEooIu8zAKkTjoa0BHr0jnvoXn14a3C2i9O7Oxo1cAVNjI/M0+Lmp7mXaXst0r44Wp2UAbEfY5hWBdKAI94ohDUdb4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=UNzU2lCM; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b=JCKAFLrZ; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UNzU2lCM"; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b="JCKAFLrZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1787174587; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Y2Nq6oWt/A+GglsE2R04tSZrXRfphvvWNtrnE+gHf8s=; b=UNzU2lCM8vGP/ynJu6UYWXGCk6w7dVDtbXs2Ew1fNbDLkeCPOIhcDCATa02P4Lr/I9uPYs JYUM4xPAGMT8/QeMWtuONz+/MZ83Pyg4nQUPdIILyPPeqtCkhUNLjXCpQYeKCRx+4tbu/d NxY/KmvxMtzjxg6jPMx4fJpI+bNtpyc= Received: from mail-qv1-f71.google.com (mail-qv1-f71.google.com [209.85.219.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-689-ZqLQYtkKPa2qcaU_VH3i6w-1; Wed, 19 Aug 2026 17:23:06 -0400 X-MC-Unique: ZqLQYtkKPa2qcaU_VH3i6w-1 X-Mimecast-MFC-AGG-ID: ZqLQYtkKPa2qcaU_VH3i6w_1787174586 Received: by mail-qv1-f71.google.com with SMTP id 6a1803df08f44-9083b049f73so19732576d6.1 for ; Wed, 19 Aug 2026 14:23:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1787174586; x=1787779386; darn=vger.kernel.org; h=user-agent:in-reply-to:content-disposition:content-type :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to:content-type; bh=Y2Nq6oWt/A+GglsE2R04tSZrXRfphvvWNtrnE+gHf8s=; b=JCKAFLrZWsJlDyDL0n3WLYXT63egpUnZ+e9sB2o8Cu52PYgoPA+qrgX0HMk/lPmuhg kcZ+OnAOPFAPoYKI9SfWNtt/wNFfb/l1B6Qdpjt9TXkwa43DK7+RdPkfUnPYcbSp4trw Y17ETv81mfJFnM6opMhSYQfXk50NGBWU+qwk2peJLmDw+Ewga6+okxmFUof/ZIMerVvb 1M+0Hzo+ltWLG+vER+nwoKKVNLyJN8Nnj9uBk8EtwVn/j5vuBSOg0S9tvxz0J4D9NJmo mhM/RptbedIlUzfhAEYhLCvT3YX9QmZVBkAYg7TGMhcQn3/sfMzWQIBbnVAkWKY11f4X qF+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787174586; x=1787779386; h=user-agent:in-reply-to:content-disposition:content-type :mime-version:references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=Y2Nq6oWt/A+GglsE2R04tSZrXRfphvvWNtrnE+gHf8s=; b=aJYgD7O7CFW/npF2tvKWgLD0o2U/ubg7i4xsUTAlQjz0bCNFY9qxaOvnLYE6GlGAwG w26tMtBDArDppVIhgHq3S+5D0h28kP9E48w0EJM953PxpU4RPtTeXPW2988wxF/Vz6HB Xf498zJIp/l+fYJ+8MDrhJLN+mirZiQfe9TjuWPT70QMF2RGkkg/VW1SsHSPlGv5VP8M 11NZYith3d7a7eDPv+XUadf1JNRDGDF1n9f4JSE98Ov0NAtWFxNuxxO2kjjKIyE198ho 0V08syxSnbi3YssMQHRbLZbk6HbIRtr9B4k4JOSaWOnvB+TwjXOIgoyDHoktx7U8OhEr cbWQ== X-Forwarded-Encrypted: i=1; AHgh+RqdxOtc413QZ65PP8H3EIJMeGp55rhun1GbsqhvAc0e4XlsaIulCClBnfjKFfQAWJlFJ0HaBwUBu4U=@vger.kernel.org X-Gm-Message-State: AFuF++m7h4ROc+obdyxzI8uNwT/TVV22OFEY8cDz8Qsk9HvwWOaB0jym 3aIdkugM0nUoHtDmCgkb/fLiSqMxaEEUzvaCQ98j8pQFMxKLAOuBK8ADoglOrnY9OSOvs+LEQA/ IXxZIDogWJSLWWDe/Y/Mx3UKKAj/J0qPu8awcssze/d5oiWK2PfnMBOu4uGLhig== X-Gm-Gg: AR+sD13o6DIsaXgbf4PmzpusIa2WfarTePpEsWBXPw8YeqHldCe2JRBcGFzXKdCa4Lu VabuDimQ0cQE2oY+R0T5tNvEq9JYFhmm9oSiDNsefh8GV98AvO+RGFf8+GgAkUiU8OduEZ3PgWu MTO0th3S3iv4M/MfSQ35I/u7FebuBT027ed+7cP0hqXwn+dfDT9/5cA3OYv9jx5Nsn5RvHk7dzV DAWueDAx7C5bxoUQMIakbAYVgmpmxYLWQQHxdnOhgy3Qz/O+aIJpQcpKqr9Yw2W06caGRDP8ZnZ bCOY0SuaUU392s00RAhcP73LXZavm8lTccGk2OvR8YQh9s9Qffjj173E6Uv6pE4jGZ2u04cGzpq vHVngZHeMIIF7RXmRkkkchBRnF71vlbQKW/c= X-Received: by 2002:a05:6214:260f:b0:90a:804a:968e with SMTP id 6a1803df08f44-90c5eb8132fmr77665636d6.32.1787174585748; Wed, 19 Aug 2026 14:23:05 -0700 (PDT) X-Received: by 2002:a05:6214:260f:b0:90a:804a:968e with SMTP id 6a1803df08f44-90c5eb8132fmr77665056d6.32.1787174585342; Wed, 19 Aug 2026 14:23:05 -0700 (PDT) Received: from redhat.com (c-73-183-53-213.hsd1.pa.comcast.net. [73.183.53.213]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-90c5f2a1139sm23455876d6.34.2026.08.19.14.23.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Aug 2026 14:23:04 -0700 (PDT) Date: Wed, 19 Aug 2026 17:23:02 -0400 From: Brian Masney To: Geert Uytterhoeven Cc: Tero Kristo , Stephen Boyd , Brian Masney , Jerome Brunet , Nobuhiro Iwamatsu , Nuno Sa , Guenter Roeck , Michael Hennerich , Antoniu Miclaus , Jonathan Cameron , David Lechner , Andy Shevchenko , Sunny Luo , Xianwei Zhao , Mark Brown , Kees Cook , Kevin Hilman , Mathieu Dubois-Briand , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hwmon@vger.kernel.org, linux@analog.com, linux-iio@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-spi@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH treewide 5/5] spi: amlogic-spisg: Make sure clk_init_data is fully initialized Message-ID: References: <9fb35ae0aedb7a6db0db6c78a8193c7602dd9d44.1787165329.git.geert+renesas@glider.be> Precedence: bulk X-Mailing-List: linux-iio@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: <9fb35ae0aedb7a6db0db6c78a8193c7602dd9d44.1787165329.git.geert+renesas@glider.be> User-Agent: Mutt/2.4.0 (2026-06-19) On Wed, Aug 19, 2026 at 09:05:19PM +0200, Geert Uytterhoeven wrote: > The clk_init_data structure contains several mutually-exclusive members > for different methods to specify the possible parents of a clock, > prompting drivers to initialize only the members they need. However, > not initializing all members may cause subtle issues, which are only > exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is > enabled. > > aml_spisg_clk_init() fills in init.parent_data, and assumes that > init.parent_names is NULL. However, the latter in uninitialized, and > thus may cause a crash. > > Make sure all members are fully initialized, to fix such bugs, and to > avoid future breakage when converting drivers to a different method for > specifying the parents. > > Fixes: cef9991e04aed330 ("spi: Add Amlogic SPISG driver") > Signed-off-by: Geert Uytterhoeven Reviewed-by: Brian Masney