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 02033CD5BB1 for ; Sat, 23 May 2026 19:04:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:Date:Subject: From:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=p5qBcxZqMKlPHWBrRqE7uc06B6ORR18pEXCvdSrRZEk=; b=YqVCfAU/1uU+pJFKGF5+oWbs5X KC9vv1TRZsZ2BmrF5XyI0Z0YI1rItxeer6baw0ulahMCpKvN5Ec2uMIhGS9PPC6SqA4LY/uFAF9mI J7e8zps4+FDgQmaAJJ48mogQA7Qg/6Vu2Xc86YsBEWjT8AIRYxTFzhh+wF81pccx5rmMomA/wKHzw 5PYSyUxs6hOZYnF8RGBiL9gnEFV2usn3l5pJnsoNmFBac4F2Lw1CBiMWgvlZaOuqGKjuGHFaMy3+Q ekvAnt5inNrP8SUdAIDRXPBWsPPhDiMwObJPs25QQPDcHh4wnTcZKyKkjuknjYWqa/VCbwAGhFEvS YhDl8Mgg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wQrdo-0000000DleQ-1H3o; Sat, 23 May 2026 19:04:08 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wQrdm-0000000Dlds-3Cwx for linux-arm-kernel@lists.infradead.org; Sat, 23 May 2026 19:04:06 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id EF3DC6001A; Sat, 23 May 2026 19:04:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 876E6C2BCB4; Sat, 23 May 2026 19:04:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779563044; bh=qKdKW12reljmkI9Y5GL96UhP5eGpAEu75do6kp2GrbQ=; h=From:Subject:Date:To:Cc:Reply-To:From; b=Ncgstb4+cU6Kr/5vk8rsYFyV4+Vp9eGMDxhnXQVVqjvXKekp7P5Mvrg2rKjmFIeM6 Wu7KH2kzMzCpMVfUG1Vvf81mVhWYdikI1QG/7SR1hByDyv8lAngLOlu7nqTTL7gx4b MGWLaH6ZRhXxbVIKTFaYwkSxc0XfcMfPYp30s+Polf8A0ix9xeIHIxK5vZlU0dddMX gBnz5J2FtdgQl7mMv9nA2wWJhyVB9C4vElAyGqIwnZQy7nAEjDEbGXhXD9gp4MINOk VVDHAU8/uM8OwFnaOCmu0R6IMB0x9DmP0dRMRfKxgvSflDZJsHgQXKEjb1lVGupk/y x0tJS52KuBE2w== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D9A0CD5BB1; Sat, 23 May 2026 19:04:04 +0000 (UTC) From: Demi Marie Obenour via B4 Relay Subject: [PATCH 0/2] Delete the Qualcomm crypto engine Date: Sat, 23 May 2026 15:03:55 -0400 Message-Id: <20260523-delete-qce-v1-0-86105cd7f406@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIzMDUyNj3ZTUnNSSVN3C5FRdA2Mz4xQjo0QLU0szJaCGgqLUtMwKsGHRsbW 1AAdO39VcAAAA X-Change-ID: 20260523-delete-qce-0363d22a8596 To: Herbert Xu , "David S. Miller" , Thara Gopinath , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Russell King Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-arm-msm@vger.kernel.org, Eric Biggers , Ard Biesheuvel , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Demi Marie Obenour X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1779563043; l=2071; i=demiobenour@gmail.com; s=20250731; h=from:subject:message-id; bh=qKdKW12reljmkI9Y5GL96UhP5eGpAEu75do6kp2GrbQ=; b=TtSJ+IKiIz4+J8ZUozDqY5sbAF3vqtXPpM9l1sFNxConO52NyijO6g3Vw49p+zAa/n1QHX5tt xTSDIB65+CJC+aZ2Q+K518avBn4FicGdDE2+6UFcs1UfpBdkIoLYdjs X-Developer-Key: i=demiobenour@gmail.com; a=ed25519; pk=4iGY+ynEKxIfs+fIUK9EzsvZ44yGE0GvXLeLTPKKPhI= X-Endpoint-Received: by B4 Relay for demiobenour@gmail.com/20250731 with auth_id=473 X-Original-From: Demi Marie Obenour 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: , Reply-To: demiobenour@gmail.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The only realistic uses I can think of are: 1. Very weak devices where QCE is actually faster. 2. Devices without bitsliced NEON. Do any such devices exist in the wild? I have no idea. Not even compile-tested, but should be trivial as it just deletes code. I didn't change the device tree beyond marking the bindings as deprecated. Signed-off-by: Demi Marie Obenour --- Demi Marie Obenour (2): crypto: Delete Qualcomm crypto engine driver devicetree: Mark QCE bindings as deprecated .../devicetree/bindings/crypto/qcom-qce.yaml | 3 + MAINTAINERS | 8 - arch/arm/configs/multi_v7_defconfig | 1 - arch/arm64/configs/defconfig | 1 - drivers/crypto/Kconfig | 111 --- drivers/crypto/Makefile | 1 - drivers/crypto/qce/Makefile | 9 - drivers/crypto/qce/aead.c | 841 --------------------- drivers/crypto/qce/aead.h | 56 -- drivers/crypto/qce/cipher.h | 56 -- drivers/crypto/qce/common.c | 595 --------------- drivers/crypto/qce/common.h | 104 --- drivers/crypto/qce/core.c | 271 ------- drivers/crypto/qce/core.h | 64 -- drivers/crypto/qce/dma.c | 135 ---- drivers/crypto/qce/dma.h | 47 -- drivers/crypto/qce/regs-v5.h | 326 -------- drivers/crypto/qce/sha.c | 545 ------------- drivers/crypto/qce/sha.h | 72 -- drivers/crypto/qce/skcipher.c | 529 ------------- 20 files changed, 3 insertions(+), 3772 deletions(-) --- base-commit: 49e05bb00f2e8168695f7af4d694c39e1423e8a2 change-id: 20260523-delete-qce-0363d22a8596 Best regards, -- Demi Marie Obenour