From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id ADF05C5DF84 for ; Tue, 18 Aug 2026 14:11:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=z2tZznEbKx8DBNMZ+YlnbcHB1GTBpbrPBdUdNMsG1Cg=; b=dwtRG1ScaTAxyUmDhq4PjuqQGy 8vmvNEA6i9rwtj/lawp1L8aG8upxA0P+4ZrZvmWiLDMjP3jxK6Xuz+y/u1khwuJwl3JiF7t+YYMry pqQxGgm/6pWOcJO2HOD9pageUtCx1MmNcZF/OQY7avAJmA6ef4z2rmtxCfEFYX8V7u93z2HWq2i/M lSywGf9j4WSPp3jWfslUR4V1i/TlKlBPFAHAKhmuCGQJOGV5RiOHoDzxzdHeFYYKS/ZprIDKlSulh 4jMfTLdIMJU659WjWEeEl8TV87zC+rvtT1plPU2JP8FoM7ebWDy06oyuzOS53H9WjDOzO0S66d2az P/yOR8Yw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwKXI-000000086Ts-15An; Tue, 18 Aug 2026 14:11:28 +0000 Received: from mgamail.intel.com ([192.198.163.16]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wwKXF-000000086Su-2ugT for linux-arm-kernel@lists.infradead.org; Tue, 18 Aug 2026 14:11:27 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787062285; x=1818598285; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=WPuMZj2OAQE9HDFZOAAcnqeB5GxLS7XAo+0fZhNpzmU=; b=l8SyjFoDqtsuVsBbrZwcvxJTQNtKSQXBCAcYExC5elQZSalOB7ddBHEt qOauC2Mf/DnlMbEYpXwYO09lHZMKxx58IXDwA/E+FNDVyO0ayHg9MY44V p4fovBwN4gqFnJD00WC7h1dtLiEyI1+dCp7+a5WeXCk8aYzjPtJ0t4JnW R2pFdoL6FqQsKcOTy54jS5xqqNFc2I0xue63jtg52LsUWZp+3YA8u9pAn hx3KQ2QcYSPWT/SnoTb1U5sbntgUqAKWnWhyZ0LVeLsFUezLu4XFJry0h lVlFnVfBWUCD3UiUyk6KtHEyQbbgt+kzuuAdcImEv4lVvPOjLiIj2AUrn A==; X-CSE-ConnectionGUID: oE0QNoXtRByAOCcBoKlBSA== X-CSE-MsgGUID: REfpq2adQqe2skWXMvBnzg== X-IronPort-AV: E=McAfee;i="6800,10657,11878"; a="75084882" X-IronPort-AV: E=Sophos;i="6.25,230,1779174000"; d="scan'208";a="75084882" Received: from fmviesa010.fm.intel.com ([10.60.135.150]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2026 07:11:24 -0700 X-CSE-ConnectionGUID: zdq+TYqBQmyZpF9Eko9Gkw== X-CSE-MsgGUID: 5nZDuB5zQVyBEKQ6mP3nNg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,230,1779174000"; d="scan'208";a="261488781" Received: from pgcooper-mobl3.ger.corp.intel.com (HELO localhost) ([10.245.245.209]) by fmviesa010-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2026 07:11:19 -0700 Date: Tue, 18 Aug 2026 17:11:17 +0300 From: Andy Shevchenko To: longzhao@ambarella.com Cc: Arnd Bergmann , Krzysztof Kozlowski , Alexandre Belloni , soc@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Turquette , Stephen Boyd , Linus Walleij , Bartosz Golaszewski , Greg Kroah-Hartman , Jiri Slaby , Catalin Marinas , Will Deacon , devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, Brian Masney , Lee Jones , mfd@lists.linux.dev, Long Zhao Subject: Re: [PATCH v5 08/12] gpio: pl061: add Ambarella CV75 register layout variant Message-ID: References: <20260818-cv75-v5-v5-0-7bbb12f0360f@ambarella.com> <20260818-cv75-v5-v5-8-7bbb12f0360f@ambarella.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260818-cv75-v5-v5-8-7bbb12f0360f@ambarella.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260818_071125_917924_0DE70170 X-CRM114-Status: GOOD ( 10.91 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Aug 18, 2026 at 06:31:22PM +0800, Long Zhao via B4 Relay wrote: > Extend gpio-pl061 with a per-variant register layout so the Ambarella > CV75 GPIO banks can reuse the PL061 driver instead of a duplicate. This is reinvention of gpio-mmio.c (as a library). It has necessary facilities. Also gpio-regmap may be considered. So, switch this driver to use one of the above and the patch for the new device will be much simpler and elegant. -- With Best Regards, Andy Shevchenko