From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [80.237.130.52]) (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 1E73760B8B; Tue, 23 Jan 2024 15:45:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.237.130.52 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706024721; cv=none; b=JdNY95eN5p6a/5s425Ebooa5A+uJQOZiUvOoa0/O5SwinwZ8i3EmE941GJgSB/VcT/pX4RlUgC/sQPg1Utx58U2ug07CGHwIYpwrFBfu73oiV+3iRFr5LZWAcI+iC6+qj2H5TrRBo+0yOc7zX5CSXl+UBQzV43Eyto36QzOdTRw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706024721; c=relaxed/simple; bh=FEgIO/MXi0/Ry2LcyALUJDlsd8mzcNT3svcs7B5JZdk=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=n40JyPzeAN65fF2cOfc+5e9UdYzIy7naPrjLoyaTWj/kFfMFveZGWCZT3HWeN7ucrzNhXheXUzdZEVhXfPCQ6xzyeb8qXcRLFv5dE0WxyMHcRf9xTAkG4zG/0vSGhmQvvJ4OnVa2/zSDvS1/dl8wfs/3iBPIe6DeWRhH1pgYZeU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=leemhuis.info; spf=pass smtp.mailfrom=leemhuis.info; arc=none smtp.client-ip=80.237.130.52 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=leemhuis.info Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=leemhuis.info Received: from [2a02:8108:8980:2478:8cde:aa2c:f324:937e]; authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1rSIxc-0008Go-EM; Tue, 23 Jan 2024 16:45:12 +0100 Message-ID: <7d16f013-7fdc-41f3-a966-973e8f5ccfdb@leemhuis.info> Date: Tue, 23 Jan 2024 16:45:11 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v11 03/10] spi: Add multi-cs memories support in SPI core Content-Language: en-US, de-DE From: "Linux regression tracking #update (Thorsten Leemhuis)" To: Linux kernel regressions list Cc: linux-kernel@vger.kernel.org, linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org Reply-To: Linux regressions mailing list , Linux regressions mailing list References: <20231125092137.2948-1-amit.kumar-mahapatra@amd.com> <20231125092137.2948-4-amit.kumar-mahapatra@amd.com> <3d3a11b1-8396-4d8e-9bb3-61ecb67e7efa@roeck-us.net> <4c69cb61-1a43-4bfe-b01a-8118967ddbaf@leemhuis.info> In-Reply-To: <4c69cb61-1a43-4bfe-b01a-8118967ddbaf@leemhuis.info> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1706024719;12dfcb09; X-HE-SMSGID: 1rSIxc-0008Go-EM On 21.01.24 10:42, Linux regression tracking #adding (Thorsten Leemhuis) wrote: > On 12.01.24 20:11, Guenter Roeck wrote: >> >> On Sat, Nov 25, 2023 at 02:51:30PM +0530, Amit Kumar Mahapatra wrote: >>> AMD-Xilinx GQSPI controller has two advanced mode that allows the >>> controller to consider two flashes as one single device. >>> >>> One of these two mode is the parallel mode in which each byte of data is >>> stored in both devices, the even bits in the lower flash & the odd bits in >>> the upper flash. The byte split is automatically handled by the QSPI >>> controller. >> [...] >> With this patch in the mainline kernel, two of my qemu emulations >> (quanta-q71l-bmc and almetto-bmc) fail to instantiate the first SPI >> controller and thus fail to boot from SPI. The error message is >> >> [ 3.006458] spi_master spi0: No. of CS is more than max. no. of supported CS >> [ 3.006775] spi_master spi0: Failed to create SPI device for /ahb/spi@1e620000/flash@0 >> >> The problem is no longer seen after reverting this patch. >> [...] >> # first bad commit: [4d8ff6b0991d5e86b17b235fc46ec62e9195cb9b] spi: Add multi-cs memories support in SPI core > > Thanks for the report. To be sure the issue doesn't fall through the > cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression > tracking bot: > > #regzbot ^introduced 4d8ff6b0991d5e86b17b235fc46ec62e9195cb9 > #regzbot title spi: qemu emulations quanta-q71l-bmc and almetto-bmc fail > to boot > #regzbot ignore-activity #regzbot fix: spi: Raise limit on number of chip selects #regzbot ignore-activity Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr That page also explains what to do if mails like this annoy you.