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 0A196E936FC for ; Fri, 6 Oct 2023 11:15:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=KgWCctqowzUmZXOzka8jT6KRAQhUOUTfFhxsjesYGYQ=; b=h2hAGBqgGtfd4r yEWjsyUXO3x6ssvKDdMc7ivte2S/BLrncwsdZk8U63z4t3Yv2gFrUu6bebO7LqAXhypjOl+ly3TOA 0kyn4sK39HUvZVVZwlXYa1DU8ARk/8N2tpp1M64phug0KZC2FQ1Rl/HtOD/hYcLi/BwG+r3oJMSdJ Zhwu1e7n8C+8Afx3CpClQZQrwzom46L5bUDIAZecCvY9nVYpH1ofNqOxAkpmfoDdGEfqWkD0SSp11 zbSVfNJD+kWt8dDB17DFegZi3Ztks7v3NJaQJZ7H1+23Y8HdjuGNf5GBeyekA8kGwvRsYQCNlkScb rHhkuN6vPD3GlOhz8N8Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qoinD-005ffT-0I; Fri, 06 Oct 2023 11:14:51 +0000 Received: from mail-oa1-x2d.google.com ([2001:4860:4864:20::2d]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qoin9-005fei-22 for linux-arm-kernel@lists.infradead.org; Fri, 06 Oct 2023 11:14:49 +0000 Received: by mail-oa1-x2d.google.com with SMTP id 586e51a60fabf-1e5602c12e5so1045594fac.3 for ; Fri, 06 Oct 2023 04:14:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1696590885; x=1697195685; darn=lists.infradead.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=ZLA/GclgBoLiryUADUHgAn0VKVl+p1En66d7+DKPNxg=; b=Rb75VaiBG7kzH4Vc9z9KBBbvPCrpxcRP619cZDNmvIKCMgIYe+i/AY+SV4PYofbx5B 31kQcoTSHFSFGCR8QJLKVAMzfnTfBIwyZcAWHyEYsVlLDqDDoTXT3sTE0ohY9MuRuyaU abwwWyp8jnl766s/18tmcs4S8m2uVBAVQi4P+LsXTEojtuzW20NiacdytjawU5FkAgMO QyDwX0JNVG0QgfSRvGx2/tO9JFJzjM23h3PVLtIQkV7N3wvRrUzKLuCJIUq0fr3ynb3q gWD7euhpC+LPuX2LQHt7RM1EYHgqb+jUGsGEJbZ/LprYoWSkI/NaTFUZB+r3Uy+r69P1 orkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696590885; x=1697195685; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZLA/GclgBoLiryUADUHgAn0VKVl+p1En66d7+DKPNxg=; b=NsX1xyyMoPKlBen6WPYInDJr9J2P2EZfyfuISNaZku2y5Z2Oe+Lw3dvhHkcnUYi1vI aljBSDVgga7UobrULYS6tIkzwNCr5wWUEYnBgiH1Tpgt31Ehbcj3wy6twYkr+Jg2Xnbe 7diIdfYpkRB87O0sLR2dhl8Cb6HA/a8mB5zLdq8PM3BSRL2NGzvMH7poU7LLerWjloQo DwTnrDuJQU412NhYq4Hp6TXb1Plz2ZOZg9qbYvEwO0dhhQT3pO2PS7mocwspW1/bspRi YasggzkqnDihLe0pqEDdGQA1rdPya1WpgL1D6HrTtB7yW4DPm1nymdJl8ltJ3AMaUTqK L+Wg== X-Gm-Message-State: AOJu0YwNxcleNVHJZKb5Cl16g0ZzYLSWuHpvwfO0bAcMcH/tF/QAJpxM AOBG76/vHNuJgm4E9MmJkd4SSaN2pFvZqHO+6M1vGA== X-Google-Smtp-Source: AGHT+IEIOgQOfQGvUGmUv++YsPaN8PR1zw73L2z8fdZH1xLoq/OJN0PBTnZsRS9xghr4R83TvjEhek0LlytizvFFWMs= X-Received: by 2002:a05:6870:c213:b0:1b7:609f:e0d4 with SMTP id z19-20020a056870c21300b001b7609fe0d4mr8795821oae.15.1696590884810; Fri, 06 Oct 2023 04:14:44 -0700 (PDT) MIME-Version: 1.0 References: <20231005142823.278121-1-sudeep.holla@arm.com> In-Reply-To: <20231005142823.278121-1-sudeep.holla@arm.com> From: Jens Wiklander Date: Fri, 6 Oct 2023 13:14:33 +0200 Message-ID: Subject: Re: [PATCH] firmware: arm_ffa: Allow the FF-A drivers to use 32bit mode of messaging To: Sudeep Holla Cc: linux-arm-kernel@lists.infradead.org, Marc Bonnici X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231006_041447_695748_2C45B5A2 X-CRM114-Status: GOOD ( 24.20 ) 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-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SGkgU3VkZWVwLAoKT24gVGh1LCBPY3QgNSwgMjAyMyBhdCA0OjI44oCvUE0gU3VkZWVwIEhvbGxh IDxzdWRlZXAuaG9sbGFAYXJtLmNvbT4gd3JvdGU6Cj4KPiBBbiBGRi1BIEFCSSBjb3VsZCBzdXBw b3J0IGJvdGggdGhlIFNNQzMyIGFuZCBTTUM2NCBjb252ZW50aW9ucy4KPiBBIGNhbGxlZSB0aGF0 IHJ1bnMgaW4gdGhlIEFBcmNoNjQgZXhlY3V0aW9uIHN0YXRlIGFuZCBpbXBsZW1lbnRzIHN1Y2gK PiBhbiBBQkkgbXVzdCBpbXBsZW1lbnQgYm90aCBTTUMzMiBhbmQgU01DNjQgY29udmVudGlvbnMg b2YgdGhlIEFCSS4KPgo+IFNvIHRoZSBGRi1BIGRyaXZlcnMgd2lsbCBuZWVkIHRoZSBvcHRpb24g dG8gY2hvb3NlIHRoZSBtb2RlIGlycmVzcGVjdGl2ZQo+IG9mIEZGLUEgdmVyc2lvbiBhbmQgdGhl IHBhcnRpdGlvbiBleGVjdXRpb24gbW9kZSBmbGFnIGluIHRoZSBwYXJ0aXRpb24KPiBpbmZvcm1h dGlvbi4KPgo+IExldCB1cyByZW1vdmUgdGhlIGNoZWNrIG9uIHRoZSBGRi1BIHZlcnNpb24gZm9y IGFsbG93aW5nIHRoZSBzZWxlY3Rpb24KPiBvZiAzMmJpdCBtb2RlIG9mIG1lc3NhZ2luZy4gVGhl IGRyaXZlciB3aWxsIGNvbnRpbnVlIHRvIHNldCB0aGUgMzItYml0Cj4gbW9kZSBpZiB0aGUgcGFy dGl0aW9uIGV4ZWN1dGlvbiBtb2RlIGZsYWcgc3BlY2lmaWVkIHRoYXQgdGhlIHBhcnRpdGlvbgo+ IHN1cHBvcnRzIG9ubHkgMzItYml0IGV4ZWN1dGlvbi4KPgo+IFNpZ25lZC1vZmYtYnk6IFN1ZGVl cCBIb2xsYSA8c3VkZWVwLmhvbGxhQGFybS5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZmlybXdhcmUv YXJtX2ZmYS9kcml2ZXIuYyB8IDEyICsrLS0tLS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMiBp bnNlcnRpb25zKCspLCAxMCBkZWxldGlvbnMoLSkKPgo+IEhpIEplbnMsCj4KPiBCYXNlZCBvbiBv dXIgZGlzY3Vzc2lvbiBpbiBwcml2YXRlLCBJIGFtIHBvc3RpbmcgdGhpcyBwYXRjaC4gSSBhbSBu b3QgbWFya2luZwo+IGZpeGVzIHRhZyBhcyB0aGUgZHJpdmVyIHZlcnNpb24gaXMgbm90IHlldCBi dW1wZWQgaW4gdGhlIG1haW5saW5lLiBCdXQgaWYgeW91Cj4gdGhpbmsgaXQgaXMgYmV0dGVyIHRv IGFkZCwgSSBjYW4gdXBkYXRlIHdoZW4gcHVsbGluZyBpbiB0aGUgY2hhbmdlLiBMZXQgbWUKPiBr bm93LgoKQSBmaXhlcyB0YWcgd291bGQgYmUgbmljZSwgdG8gbWFrZSBzdXJlIHRoYXQgdGhpcyBw YXRjaCBpc24ndCBtaXNzZWQuCgpUaGFua3MsCkplbnMKCj4KPiBSZWdhcmRzLAo+IFN1ZGVlcAo+ Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZmlybXdhcmUvYXJtX2ZmYS9kcml2ZXIuYyBiL2RyaXZl cnMvZmlybXdhcmUvYXJtX2ZmYS9kcml2ZXIuYwo+IGluZGV4IDEyMWY0ZmM5MDNjZC4uN2NkNmIx NTY0ZTgwIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZmlybXdhcmUvYXJtX2ZmYS9kcml2ZXIuYwo+ ICsrKyBiL2RyaXZlcnMvZmlybXdhcmUvYXJtX2ZmYS9kcml2ZXIuYwo+IEBAIC01ODcsMTcgKzU4 Nyw5IEBAIHN0YXRpYyBpbnQgZmZhX3BhcnRpdGlvbl9pbmZvX2dldChjb25zdCBjaGFyICp1dWlk X3N0ciwKPiAgICAgICAgIHJldHVybiAwOwo+ICB9Cj4KPiAtc3RhdGljIHZvaWQgX2ZmYV9tb2Rl XzMyYml0X3NldChzdHJ1Y3QgZmZhX2RldmljZSAqZGV2KQo+IC17Cj4gLSAgICAgICBkZXYtPm1v ZGVfMzJiaXQgPSB0cnVlOwo+IC19Cj4gLQo+ICBzdGF0aWMgdm9pZCBmZmFfbW9kZV8zMmJpdF9z ZXQoc3RydWN0IGZmYV9kZXZpY2UgKmRldikKPiAgewo+IC0gICAgICAgaWYgKGRydl9pbmZvLT52 ZXJzaW9uID4gRkZBX1ZFUlNJT05fMV8wKQo+IC0gICAgICAgICAgICAgICByZXR1cm47Cj4gLQo+ IC0gICAgICAgX2ZmYV9tb2RlXzMyYml0X3NldChkZXYpOwo+ICsgICAgICAgZGV2LT5tb2RlXzMy Yml0ID0gdHJ1ZTsKPiAgfQo+Cj4gIHN0YXRpYyBpbnQgZmZhX3N5bmNfc2VuZF9yZWNlaXZlKHN0 cnVjdCBmZmFfZGV2aWNlICpkZXYsCj4gQEAgLTcwNiw3ICs2OTgsNyBAQCBzdGF0aWMgdm9pZCBm ZmFfc2V0dXBfcGFydGl0aW9ucyh2b2lkKQo+Cj4gICAgICAgICAgICAgICAgIGlmIChkcnZfaW5m by0+dmVyc2lvbiA+IEZGQV9WRVJTSU9OXzFfMCAmJgo+ICAgICAgICAgICAgICAgICAgICAgISh0 cGJ1Zi0+cHJvcGVydGllcyAmIEZGQV9QQVJUSVRJT05fQUFSQ0g2NF9FWEVDKSkKPiAtICAgICAg ICAgICAgICAgICAgICAgICBfZmZhX21vZGVfMzJiaXRfc2V0KGZmYV9kZXYpOwo+ICsgICAgICAg ICAgICAgICAgICAgICAgIGZmYV9tb2RlXzMyYml0X3NldChmZmFfZGV2KTsKPiAgICAgICAgIH0K PiAgICAgICAgIGtmcmVlKHBidWYpOwo+ICB9Cj4gLS0KPiAyLjQyLjAKPgoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtlcm5lbCBtYWls aW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6Ly9saXN0 cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5lbAo=