From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (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 1CD1A301002; Wed, 22 Oct 2025 11:08:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761131331; cv=none; b=TbBO6Oeae0luByypaDqqgJHPtUyU9ePIQHHI3+YcqVfylaVLyOnIv0Xtv01TJr51A+NlvD1nO7hbf36x6KHLPR+U3dBPT6Dt7UOmzzNOVCJ63dMCXZnXfvRLssfA5o2EwA0aCeaFqImJRR+gF/8HSynmKMIBIdiT2GFD35HsUfk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761131331; c=relaxed/simple; bh=ZAOA8Sq2UzSr/xWemGA8q+wo44isUSrk/K/xVt8gVqA=; h=From:Date:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=WgsCN6I2cNllTXc7QAOzQd7zeUKgvMWHkfF20KZ1Nd4+5cZsEv32FuYRlV9/6tpGSg45R3/ALUYYOGcSJLkuuKFeLprZ8g8ug9x4ELglqeuc0Ir2uKjJgYBknbef5uYY/o3O+UoA7+gr/PV8p5lK5gcdwY7mHWi6yPJnBBz22aI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=TYr95C9I; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="TYr95C9I" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1761131330; x=1792667330; h=from:date:to:cc:subject:in-reply-to:message-id: references:mime-version:content-id; bh=ZAOA8Sq2UzSr/xWemGA8q+wo44isUSrk/K/xVt8gVqA=; b=TYr95C9I3qu3cXm0t41BDTgmXOoc8XAQOrR4a3bQwGvIDHP67VroPbWc GEYr9xWvi0ajU/4zZc+Ue64F8SHEViFZfa6cq1xHXy8eQ7rimT5tsV1EZ I5Xyspv/gqhrZYu7BaChDLJaPSHBIVHs5+2FUQBrcke48o/6XVr6688AY FKGF5MK2Lc/fQvtFfFDG9SsE7hO6/aLBUbO5ZLkdFbgZOdo6khf4hg09W a0iaCrqJZmGQKLHX3OGNpdPCikEgg6GO17TK5uPpDQ02K/WFN100Ozmzi JowXtLmHpUCKvrK5lA2QTdqK/MGtUC65K5/6miD04yfsuiKi+c/x1qlFR A==; X-CSE-ConnectionGUID: YF5Gxc3cQXClc756XgBMxQ== X-CSE-MsgGUID: yJA24LK9QN6dEYLJC2A4YA== X-IronPort-AV: E=McAfee;i="6800,10657,11586"; a="62303801" X-IronPort-AV: E=Sophos;i="6.19,247,1754982000"; d="scan'208";a="62303801" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2025 04:08:49 -0700 X-CSE-ConnectionGUID: 5jKxRB+bQUKaxs4FjT6r6w== X-CSE-MsgGUID: Iztf2IDtQLWVEVHghxVLrQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,247,1754982000"; d="scan'208";a="187884681" Received: from ijarvine-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.244.82]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2025 04:08:47 -0700 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Wed, 22 Oct 2025 14:08:43 +0300 (EEST) To: "Maciej W. Rozycki" cc: Bjorn Helgaas , Thomas Bogendoerfer , Bjorn Helgaas , linux-mips@vger.kernel.org, LKML Subject: Re: [PATCH 0/2] MIPS: Malta: Fix PCI southbridge legacy resource clashes In-Reply-To: Message-ID: <93ffa5d8-61eb-abdf-8271-8f676d36fe56@linux.intel.com> References: Precedence: bulk X-Mailing-List: linux-mips@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/mixed; BOUNDARY="8323328-306951886-1761131191=:1437" Content-ID: This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323328-306951886-1761131191=:1437 Content-Type: text/plain; CHARSET=ISO-8859-15 Content-Transfer-Encoding: QUOTED-PRINTABLE Content-ID: On Tue, 21 Oct 2025, Maciej W. Rozycki wrote: > Hi, >=20 > This mini patch series sorts out issues with southbridge legacy resource= =20 > management on the MIPS Malta platform. Two changes turned out required,= =20 > because merely removing the clash would regress the PS/2 interfaces, fixe= d=20 > by accident with the PCIBIOS_MIN_IO fix. >=20 > This does prove nobody has used these interfaces since forever, or most= =20 > likely since the move to the new serio driver. Things most likely worked= =20 > fine with 2.4 and I still have such old Malta kernel builds lying around= =20 > (though sadly no hardware to try with), although I do know I've never use= d=20 > the PS/2 stuff with this platform, e.g. quoting an arbitrarily picked=20 > 2.4.19-rc1 bootstrap log: >=20 > CPU revision is: 00018101 > Primary instruction cache 16kb, linesize 32 bytes(4 ways) > Primary data cache 16kb, linesize 32 bytes (4 ways) > Linux version 2.4.19-rc1 (macro@macro.ds2.pg.gda.pl) (gcc version 2.95.4 = 20010319 (prerelease)) #1 Fri Aug 23 02:55:02 CEST 2002 > [...] > parport0: PC-style at 0x378 [PCSPP,EPP] > initialize_kbd: Keyboard reset failed, no ACK > Detected PS/2 Mouse Port. > pty: 256 Unix98 ptys configured > keyboard: Timeout - AT keyboard not present?(ed) > keyboard: Timeout - AT keyboard not present?(f4) > Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ DETECT= _IRQ SERIAL_PCI enabled > [...] >=20 > However to prevent the PS/2 interfaces from getting fixed and then broken= =20 > again with backports in a random fashion I have marked both changes for= =20 > backporting as appropriate. >=20 > Bjorn, may I request that these changes be placed, with Thomas's ack of= =20 > course (hopefully a formality), ahead of Ilpo's commit 16fbaba2b78f=20 > ("MIPS: Malta: Use pcibios_align_resource() to block io range") (or=20 > whatever the latest version is, as said commit seems to be missing tags= =20 > updates you mentioned), and then merged via your tree? That will prevent= =20 > things from breaking just to be fixed again shortly, and overall getting= =20 > out of sync. >=20 > See individual commit descriptions for details. FWIW, Reviewed-by: Ilpo J=E4rvinen --=20 i. --8323328-306951886-1761131191=:1437--