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 X-Spam-Level: X-Spam-Status: No, score=-11.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1FA73C432BE for ; Thu, 29 Jul 2021 17:00:27 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id E568E608FB for ; Thu, 29 Jul 2021 17:00:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E568E608FB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:Cc:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=yrQ8lzqz4MrZ6KCe0GDtTwWRz3/Kj2aZ3AvYcaLFd0Y=; b=g+/IdA9JwR1wpHdfXkd/bDCyqV HRJXHCQhuUtD0+cpQeTwruoZ9bbf1VYhil0cFJIj7aq8goKIiHagM52x2KTnwepIk7Yj8Do0qsIZA mKYgdnQM1spdvRGBCneYjPoxBVe5khWlEE8eO97qin3CJc8bBOWtCkZEed+BIv1IVjpSDDfC4Ekax QiaHPksqXU0x3JIrr0pIHOVXCKfaEYkNz+O7ZVhR6QQEBi/6kr8OmGzYz1NieQjbU4Odz45KJbIfi Xqp9CMzFggwdqZ5YGLS0SGJaVTblYtiI6vH2WolcCX6ce5QjXlFcdcipzDnn788XkQPbUuVJI0Ie3 CbmCbY3w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m99MZ-005BJE-Gi; Thu, 29 Jul 2021 16:58:27 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1m99MJ-005BFJ-Go; Thu, 29 Jul 2021 16:58:13 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A298F1FB; Thu, 29 Jul 2021 09:58:10 -0700 (PDT) Received: from [10.57.36.146] (unknown [10.57.36.146]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9AF463F73D; Thu, 29 Jul 2021 09:58:08 -0700 (PDT) Subject: Re: [PATCH v7 3/4] iommu: rockchip: Add internal ops to handle variants To: =?UTF-8?Q?Heiko_St=c3=bcbner?= , Benjamin Gaignard , joro@8bytes.org, will@kernel.org, robh+dt@kernel.org, xxm@rock-chips.com, Ezequiel Garcia , Dafna Hirschfeld Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, iommu@lists.linux-foundation.org, kernel@collabora.com, linux-arm-kernel@lists.infradead.org References: <20210525121551.606240-1-benjamin.gaignard@collabora.com> <20210525121551.606240-4-benjamin.gaignard@collabora.com> <3544194.oiGErgHkdL@diego> From: Robin Murphy Message-ID: <06cdd178-66af-9ff7-5100-3da4e901040f@arm.com> Date: Thu, 29 Jul 2021 17:58:03 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <3544194.oiGErgHkdL@diego> Content-Language: en-GB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210729_095811_665920_997DC7AE X-CRM114-Status: GOOD ( 22.02 ) 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: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMjAyMS0wNy0yOSAxNzowOCwgSGVpa28gU3TDvGJuZXIgd3JvdGU6Cj4gSGkgRGFmbmEsCj4g Cj4gQW0gRG9ubmVyc3RhZywgMjkuIEp1bGkgMjAyMSwgMTc6NTk6MjYgQ0VTVCBzY2hyaWViIERh Zm5hIEhpcnNjaGZlbGQ6Cj4+IE9uIDI1LjA1LjIxIDE0OjE1LCBCZW5qYW1pbiBHYWlnbmFyZCB3 cm90ZToKPj4+IEBAIC04NzksNyArODk1LDcgQEAgc3RhdGljIGludCBya19pb21tdV9lbmFibGUo c3RydWN0IHJrX2lvbW11ICppb21tdSkKPj4+ICAgIAo+Pj4gICAgCWZvciAoaSA9IDA7IGkgPCBp b21tdS0+bnVtX21tdTsgaSsrKSB7Cj4+PiAgICAJCXJrX2lvbW11X3dyaXRlKGlvbW11LT5iYXNl c1tpXSwgUktfTU1VX0RURV9BRERSLAo+Pj4gLQkJCSAgICAgICBya19kb21haW4tPmR0X2RtYSk7 Cj4+PiArCQkJICAgICAgIHJrX29wcy0+ZG1hX2FkZHJfZHRlKHJrX2RvbWFpbi0+ZHRfZG1hKSk7 Cj4+Cj4+IEhpLAo+PiBUaGlzIGlzIG5vdCByZWxhdGVkIHRvIHRoYXQgcGF0Y2gsIEkgd2FzIHdv bmRyaW5nIHdoeSBhcmUgYWxsIG1tdSBkZXZpY2VzIGluaXRpYWxpemVkCj4+IHdpdGggdGhlIHNh bWUgZHRfZG1hPwo+PiBJIHNlZSBmb3IgZXhhbXBsZSB0aGF0IHRoZSBpc3AwX21tdSBpbiByazMz OTkuZHRzaSBoYXMgdHdvIHJlc291cmNlcy4gQ2FuJ3QgZWFjaCByZXNvdXJjZQo+PiBiZSBpbml0 aWFsaXplZCB3aXRoIGRpZmZlcmVudCBkdF9kbWEgYW5kIHRoaXMgd2F5IHRoZXJlIGFyZSB0d28g ZHQgdGFibGVzIGluc3RlYWQgb2YgdGhlIHR3byBtbXVzIHBvaW50aW5nCj4+IHRvIHRoZSBzYW1l IGR0IHRhYmxlLgo+IAo+IG1heWJlCj4gZ2l0IGxvZyAtMSBjZDY0MzhjNWY4NDQ2NjkxYWZhNDgy OWZlMWE5ZDdiNjU2MjA0ZjExCj4gCj4gImlvbW11L3JvY2tjaGlwOiBSZWNvbnN0cnVjdCB0byBz dXBwb3J0IG11bHRpIHNsYXZlcwo+ICAgICAgCj4gVGhlcmUgYXJlIHNvbWUgSVBzLCBzdWNoIGFz IHZpZGVvIGVuY29kZXIvZGVjb2RlciwgY29udGFpbnMgMiBzbGF2ZSBpb21tdXMsCj4gb25lIGZv ciByZWFkaW5nIGFuZCB0aGUgb3RoZXIgZm9yIHdyaXRpbmcuIFRoZXkgc2hhcmUgdGhlIHNhbWUg aXJxIGFuZAo+IGNsb2NrIHdpdGggbWFzdGVyLgo+ICAgICAgCj4gVGhpcyBwYXRjaCByZWNvbnN0 cnVjdHMgdG8gc3VwcG9ydCB0aGlzIGNhc2UgYnkgbWFraW5nIHRoZW0gc2hhcmUgdGhlIHNhbWUK PiBQYWdlIERpcmVjdG9yeSwgUGFnZSBUYWJsZXMgYW5kIGV2ZW4gdGhlIHJlZ2lzdGVyIG9wZXJh dGlvbnMuCj4gVGhhdCBtZWFucyBldmVyeSBpbnN0cnVjdGlvbiB0byB0aGUgcmVhZGluZyBNTVUg cmVnaXN0ZXJzIHdvdWxkIGJlCj4gZHVwbGljYXRlZCB0byB0aGUgd3JpdGluZyBNTVUgYW5kIHZp Y2UgdmVyc2EuIgoKUmlnaHQuIEluIHRoZW9yeSB3ZSAqY291bGQqIG1haW50YWluIGEgc2VwYXJh dGUgcGFnZXRhYmxlIGZvciBlYWNoIElPTU1VIAppbnN0YW5jZSwgYnV0IGl0IHdvdWxkIGp1c3Qg bGVhZCB0byBhIGxvYWQgb2YgY29tcGxleGl0eSBhbmQgb3ZlcmhlYWQuIApGb3IgYSBtYXAgcmVx dWVzdCwgd2UnZCBoYXZlIHRvIGRvIGV4dHJhIHdvcmsgdG8gZGVjaWRlIHdoaWNoIHRhYmxlKHMp IApuZWVkIG1vZGlmeWluZywgYW5kIGR1cGxpY2F0ZSBhbGwgdGhlIHdvcmsgb2YgdGhlIGFjdHVh bCBtYXBwaW5nIGlmIGl0J3MgCm1vcmUgdGhhbiBvbmUuIEZvciBhbiB1bm1hcCByZXF1ZXN0LCB3 ZSdkIGhhdmUgbm8gY2hvaWNlIGJ1dCB0byB3YWxrIAoqYWxsKiB0aGUgdGFibGVzIGJhY2tpbmcg dGhhdCBkb21haW4gdG8gZmlndXJlIG91dCB3aGljaCAoaWYgYW55KSAKYWN0dWFsbHkgaGFkIGl0 IG1hcHBlZCBpbiB0aGUgZmlyc3QgcGxhY2UuCgpHaXZlbiB0aGF0IHdlIGFscmVhZHkgaGF2ZSBk aXN0aW5jdCByZWFkIGFuZCB3cml0ZSBwZXJtaXNzaW9ucyBmb3IgCm1hcHBpbmdzIHdpdGhpbiBh IHNpbmdsZSB0YWJsZSwgdGhlcmUncyBub3QgZXZlbiBhbnkgZnVuY3Rpb25hbCBiZW5lZml0IAp0 aGF0IGNvdWxkIGJlIGdhaW5lZCBpbiB0aGlzIGNhc2UgKGFuZCBpbiB0aGUgbW9yZSBnZW5lcmFs IGNhc2Ugd2hlcmUgCnRoZSBkZXZpY2UgbWlnaHQgZW1pdCBhbGwga2luZHMgb2YgdHJhbnNhY3Rp b25zIGZyb20gYWxsIGl0cyBpbnRlcmZhY2VzIAp5b3UnZCBoYXZlIHRvIG1haW50YWluIGlkZW50 aWNhbCBtYXBwaW5ncyBmb3IgYWxsIGl0cyBJT01NVXMgYW55d2F5KS4gClNhdmluZyBtZW1vcnkg YW5kIGNvZGUgY29tcGxleGl0eSBieSBwaHlzaWNhbGx5IHNoYXJpbmcgb25lIHBhZ2V0YWJsZSAK YW5kIG5vdCB3b3JyeWluZyBhYm91dCB0cnlpbmcgdG8gZG8gc2VsZWN0aXZlIFRMQiBtYWludGVu YW5jZSBpcyBhIApiaWdnZXIgd2luIHRoYW4gYW55dGhpbmcgZWxzZSBjb3VsZCBiZS4KClJvYmlu LgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgt YXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQu b3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJt LWtlcm5lbAo=