From nobody Sun Feb 8 17:46:55 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8C17132D45C; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769422287; cv=none; b=mvwaEr2RqUfONNPu+UMuhrTTTju5RxdaIlv+NCEU+kaowhRZdIjv8GDvzz6K30CiP5Vzv7b/b9JRE9qWxPNWciQBaJi2w7p48kQywdk6P0KreW2UenQDn33H6QdKLaC8uTpTDoR7vQfxKBCtiO7V4cCGJlmQNMNp07lIo8Sqzyc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769422287; c=relaxed/simple; bh=iOcjZhzgQVcuWp44oRjS0h3QZ3gyXy6Xzg50V1b0oeQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=KYvhJ0zrFZ0p6BADXZiEwR2xHBO8NGhQ99Cl5caSvNRPeWai64ZGc+jVCO2eweplrhbMfUyvq3xcBBCFZiL218/KJ2MaZMxfTL/fx5j9uuS+qfCDEeETlzdYG0iWli/oE2R3gn7GzT+Zm2famtxlvdlnrMi5GFoMqLga0mmQncY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UVYmsn5U; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UVYmsn5U" Received: by smtp.kernel.org (Postfix) with ESMTPS id 465AEC19425; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769422287; bh=iOcjZhzgQVcuWp44oRjS0h3QZ3gyXy6Xzg50V1b0oeQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=UVYmsn5UReRAkoPpQBUx6Au2VSA/xm4N0yJJGhGGgW+BOp8yI3CiPdAS+O1KXY+4D s5xXBWtitIVT0rKwO/adQZjoAq2n29llcIeVrGYKB2nDftpTl7PvVk5JSHsL97wWIl h8zEewbn+KRa1y+svnxFp8legvB/rrNA3b9W5Fk348F/bOucIzcyYt9JOCxofBQf3a bnX9G7kJl7FOHflu4slFcxTiOhJWXeVuvFsnxX3IpJRDKEj6fljT0qYgWCyWh3KmAb +f1C4Sm3DBhFQFO3993lbHpfW/YEjrKI9eBuFyeEfT1PR8Cw6YZj08SYL9zrinzxuc sDKRHEkfdkmsg== 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 35EBECF65CE; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) From: Rouven Czerwinski via B4 Relay Date: Mon, 26 Jan 2026 11:11:24 +0100 Subject: [PATCH 1/3] optee: simplify OP-TEE context match Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260126-optee-simplify-context-match-v1-1-d4104e526cb6@linaro.org> References: <20260126-optee-simplify-context-match-v1-0-d4104e526cb6@linaro.org> In-Reply-To: <20260126-optee-simplify-context-match-v1-0-d4104e526cb6@linaro.org> To: Jens Wiklander , Sumit Garg , Olivia Mackall , Herbert Xu , =?utf-8?q?Cl=C3=A9ment_L=C3=A9ger?= , Alexandre Belloni Cc: op-tee@lists.trustedfirmware.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-rtc@vger.kernel.org, Rouven Czerwinski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1769422286; l=783; i=rouven.czerwinski@linaro.org; s=20260126; h=from:subject:message-id; bh=Lim3HY4VT+Sv8kk77StbxRDzEmFNkh04aSoGtueluXg=; b=4Kb4IcXJ/tJ1NPTBhb4ailO8WqWg3gIUy0bYahni2O14sARl12J5KJprLVVfhvb0EsXQhEbSV mI7kZiXHlNaCzM9PBik4ckocZG7s57F3uXKm0n7pHLUBJmQXtTloS6G X-Developer-Key: i=rouven.czerwinski@linaro.org; a=ed25519; pk=/5pmUK/XIAIIo8JA0axgfy1k8NRhRTQkxVwZYa1ga7U= X-Endpoint-Received: by B4 Relay for rouven.czerwinski@linaro.org/20260126 with auth_id=616 X-Original-From: Rouven Czerwinski Reply-To: rouven.czerwinski@linaro.org From: Rouven Czerwinski Simplify the TEE implementor ID match by returning the boolean expression directly instead of going through an if/else. Signed-off-by: Rouven Czerwinski --- drivers/tee/optee/device.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/tee/optee/device.c b/drivers/tee/optee/device.c index 950b4661d5df..4c85b04d6004 100644 --- a/drivers/tee/optee/device.c +++ b/drivers/tee/optee/device.c @@ -13,10 +13,7 @@ =20 static int optee_ctx_match(struct tee_ioctl_version_data *ver, const void = *data) { - if (ver->impl_id =3D=3D TEE_IMPL_ID_OPTEE) - return 1; - else - return 0; + return (ver->impl_id =3D=3D TEE_IMPL_ID_OPTEE); } =20 static int get_devices(struct tee_context *ctx, u32 session, --=20 2.52.0 From nobody Sun Feb 8 17:46:55 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 7771F31354C; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769422287; cv=none; b=rTYMBHoFME6VgQANJiNu0wgPuoUbSxfbYP6UvarqS+UonvAUR9/glyrmYU17VkdMFRhoWrJm/G851l9U1nv0k46qBWVG1NDIIdakfbFil2QEOtA9EX/97duKVj8pCX7HAiiAV7OCVJ4NW2UO5evy7+qv9rQjVpllpHyQHspQEVA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769422287; c=relaxed/simple; bh=+4m8YG1iRHz0Xfy1eofVfDUmEXxlqgjcfG9cv3ureLI=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QTg145y9TJle308fawGgmM7oXvTW0dG1GO3pC/6unyjyeBRkP/KhBpouIiHqrTK9p3jsxskURYoOTtC5BALmxSOJ9WnttUixf4VQZm3eTz4AYkBOFdDGkyEa2WfMZBKOf9F2vRSE+jwr357Y9t2I2ghcvg67EHvsROPrjqMzdWA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mf1eZCmD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mf1eZCmD" Received: by smtp.kernel.org (Postfix) with ESMTPS id 5473DC19421; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769422287; bh=+4m8YG1iRHz0Xfy1eofVfDUmEXxlqgjcfG9cv3ureLI=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=mf1eZCmDO0IykqCu0Un4XXkZha/i9i7Oeuwdh4C1i2+InJdmQhr9XYmgRXrTLFxAX +AAI35LhiJwmyvpBlTwQiEl4InnRIohnKpOKBxlqU13xfc0xQHdPA5W4UJhwcDHDKD Htmxv4AuI1/R+w/W4hhp7rzGBQNQEvxy5qs6vw8l5hvgXcSTkJerNWoUViWsoA5rRL NUsSOBlS8pE9Ctqp6CQ01BYdwSXrg5Sjn3Fu6OhZma9avYLY3eQD99Msc5TJ5UvrkB CKLFjCLDs9WHQwxNmK++JlAYblMdg5EWg/jlvaHu6dYV785sdOTAhVe1IE1E+WJAVi Jl5oPQjNfw5hQ== 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 44407CF65CF; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) From: Rouven Czerwinski via B4 Relay Date: Mon, 26 Jan 2026 11:11:25 +0100 Subject: [PATCH 2/3] hwrng: optee - simplify OP-TEE context match Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260126-optee-simplify-context-match-v1-2-d4104e526cb6@linaro.org> References: <20260126-optee-simplify-context-match-v1-0-d4104e526cb6@linaro.org> In-Reply-To: <20260126-optee-simplify-context-match-v1-0-d4104e526cb6@linaro.org> To: Jens Wiklander , Sumit Garg , Olivia Mackall , Herbert Xu , =?utf-8?q?Cl=C3=A9ment_L=C3=A9ger?= , Alexandre Belloni Cc: op-tee@lists.trustedfirmware.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-rtc@vger.kernel.org, Rouven Czerwinski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1769422286; l=861; i=rouven.czerwinski@linaro.org; s=20260126; h=from:subject:message-id; bh=p8tI6pIIO66aDTefRkzTZEFHyvfeutsw1Mqx0QvEoOA=; b=w71sU40i09QokWYwJWAdlVOsG4IjN2I8j5C8Ww9Fftf9OH0IWe17S9e/wXmjnVsFhwtLjaki0 kJSE0pdWVFeBTQP7QfbhvGIAmYJDnQRiExywcM4VZd7fda4is6Vo0f2 X-Developer-Key: i=rouven.czerwinski@linaro.org; a=ed25519; pk=/5pmUK/XIAIIo8JA0axgfy1k8NRhRTQkxVwZYa1ga7U= X-Endpoint-Received: by B4 Relay for rouven.czerwinski@linaro.org/20260126 with auth_id=616 X-Original-From: Rouven Czerwinski Reply-To: rouven.czerwinski@linaro.org From: Rouven Czerwinski Simplify the TEE implementor ID match by returning the boolean expression directly instead of going through an if/else. Signed-off-by: Rouven Czerwinski --- drivers/char/hw_random/optee-rng.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/op= tee-rng.c index 96b5d546d136..1cb741a6d112 100644 --- a/drivers/char/hw_random/optee-rng.c +++ b/drivers/char/hw_random/optee-rng.c @@ -205,10 +205,7 @@ static int get_optee_rng_info(struct device *dev) =20 static int optee_ctx_match(struct tee_ioctl_version_data *ver, const void = *data) { - if (ver->impl_id =3D=3D TEE_IMPL_ID_OPTEE) - return 1; - else - return 0; + return (ver->impl_id =3D=3D TEE_IMPL_ID_OPTEE); } =20 static int optee_rng_probe(struct device *dev) --=20 2.52.0 From nobody Sun Feb 8 17:46:55 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 8FA7732E697; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769422287; cv=none; b=n6ck2NNGsDxpno4ET0t2PIl1CERMJFiBzWRdXozp/q1t+e5WmF9SmqUuFLGAJ+MToAuQyoxzzbH1t0Uszs6AB//pwLzxmXXK3fA6Mda+F0Lyc3+fwXQ0xDqvhiBPTbKnGIEzTSSnN2DbnhVtKTEnPCRSW+VbJYerQLMqYfSqirM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769422287; c=relaxed/simple; bh=fBZcq8cvRjheDHCvLXxrccPqA24+Mola9mvDT4gcPLU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=q9VwMyjbclSO3/lCGPNwvs5tHevwPwIPgiSoAl8hHq2Ci3ZmbhBzjRD0HLznwPyANYacf+M1a/jx7vqcFYgLG84vu1e+p14n0fo5oSxjZXP86tzqiiLtePfaC6bskGmQPA1gXcWj12fJDe2ZoxgP0ozAVAV0V5WnCmJ7Ctk89J4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=H7dAxoKr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="H7dAxoKr" Received: by smtp.kernel.org (Postfix) with ESMTPS id 5E179C2BC9E; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769422287; bh=fBZcq8cvRjheDHCvLXxrccPqA24+Mola9mvDT4gcPLU=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=H7dAxoKrWDx/HdgM+UecgdSNqUzTLvhYkqidiceXqRYRaRhvMvIo0rJRR+buw45cc 3sht/20iEKBI3IT8JAYmXfHbshRl13FdO/KCXRQVF+Aq21f3/ybE9D0RgpsBa8hebJ Fgimn0F2UJzo/hCEOgqsh8vi17Kh9nvVbWDjqT9WQwFnQuhnYKPSZKWUgZaSbjeOiH RcXwTRSwPHn3UGHx7SD8aum7ueTjgZS75ar32/6iQGY5eI3wOhbzd1mlE5QlWCZC/s O59pC5JdRPdVH/M0hZia7Rmca29prhqeTQUGUdOBZZX96/dQ1JLFKRCTiBJLTNaWLY gPaSXrVwjZATg== 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 570C9CF65D2; Mon, 26 Jan 2026 10:11:27 +0000 (UTC) From: Rouven Czerwinski via B4 Relay Date: Mon, 26 Jan 2026 11:11:26 +0100 Subject: [PATCH 3/3] rtc: optee: simplify OP-TEE context match Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260126-optee-simplify-context-match-v1-3-d4104e526cb6@linaro.org> References: <20260126-optee-simplify-context-match-v1-0-d4104e526cb6@linaro.org> In-Reply-To: <20260126-optee-simplify-context-match-v1-0-d4104e526cb6@linaro.org> To: Jens Wiklander , Sumit Garg , Olivia Mackall , Herbert Xu , =?utf-8?q?Cl=C3=A9ment_L=C3=A9ger?= , Alexandre Belloni Cc: op-tee@lists.trustedfirmware.org, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-rtc@vger.kernel.org, Rouven Czerwinski X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1769422286; l=831; i=rouven.czerwinski@linaro.org; s=20260126; h=from:subject:message-id; bh=QLdJDajsDAHZ5Jp/WvnfqKpNSpcj2i8eHxM4elD1BXk=; b=hUChSt/PerjC7blQ6RZipCBKxqnlwex+ECe8CfZ0Wb6SYUNshrn+Zn+ndFsgEjw9ve3jh9TQk BW08OOTuUhyCZjXixJ0Uk91h8vNM070X6eNfQyVTmMuXGcKhVgSHyg8 X-Developer-Key: i=rouven.czerwinski@linaro.org; a=ed25519; pk=/5pmUK/XIAIIo8JA0axgfy1k8NRhRTQkxVwZYa1ga7U= X-Endpoint-Received: by B4 Relay for rouven.czerwinski@linaro.org/20260126 with auth_id=616 X-Original-From: Rouven Czerwinski Reply-To: rouven.czerwinski@linaro.org From: Rouven Czerwinski Simplify the TEE implementor ID match by returning the boolean expression directly instead of going through an if/else. Signed-off-by: Rouven Czerwinski --- drivers/rtc/rtc-optee.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/rtc/rtc-optee.c b/drivers/rtc/rtc-optee.c index 184c6d142801..2f18be3de684 100644 --- a/drivers/rtc/rtc-optee.c +++ b/drivers/rtc/rtc-optee.c @@ -541,10 +541,7 @@ static int optee_rtc_read_info(struct device *dev, str= uct rtc_device *rtc, =20 static int optee_ctx_match(struct tee_ioctl_version_data *ver, const void = *data) { - if (ver->impl_id =3D=3D TEE_IMPL_ID_OPTEE) - return 1; - else - return 0; + return (ver->impl_id =3D=3D TEE_IMPL_ID_OPTEE); } =20 static int optee_rtc_probe(struct device *dev) --=20 2.52.0