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From: Laurentiu Mihalcea <laurentiumihalcea111@gmail.com>
To: Shawn Guo <shawnguo2@yeah.net>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Daniel Baluta <daniel.baluta@nxp.com>,
	Shengjiu Wang <shengjiu.wang@nxp.com>,
	Frank Li <Frank.li@nxp.com>,
	Marco Felsch <m.felsch@pengutronix.de>,
	Marc Kleine-Budde <mkl@pengutronix.de>,
	Alexander Stein <alexander.stein@ew.tq-group.com>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	devicetree@vger.kernel.org, imx@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 3/6] bus: add driver for IMX AIPSTZ bridge
Date: Tue, 10 Jun 2025 19:07:37 +0300	[thread overview]
Message-ID: <c346fa54-41f1-4574-abea-a6fb2771bcad@gmail.com> (raw)
In-Reply-To: <aD0j3gXeD6Nn6L60@dragon>



On 6/2/2025 7:09 AM, Shawn Guo wrote:
> On Tue, Apr 15, 2025 at 01:19:16PM -0400, Laurentiu Mihalcea wrote:
>> Add driver for this IP. Since there's currently no framework for
>> access controllers (and since there's currently no need for having
>> flexibility w.r.t the configurations) all this driver does is it
>> applies a relaxed, "default" configuration, in which all masters
>> are trusted for R/W.
> Just out of curiosity, is there any ongoing/planned effort about creating
> a framework for access controllers at all?

no plan ATM. Though, I would be interested in knowing if anyone else would benefit
from such an API? I know that STM also has some access controller-related drivers,
but I wonder if STM's drivers and the AIPSTZ are just some isolated cases in which
security-related configuration is done from EL1?


  parent reply	other threads:[~2025-06-10 22:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-15 17:19 [PATCH v6 0/6] imx8mp: add support for the IMX AIPSTZ bridge Laurentiu Mihalcea
2025-04-15 17:19 ` [PATCH v6 1/6] dt-bindings: bus: document " Laurentiu Mihalcea
2025-04-15 17:19 ` [PATCH v6 2/6] dt-bindings: dsp: fsl,dsp: document 'access-controllers' property Laurentiu Mihalcea
2025-04-15 17:19 ` [PATCH v6 3/6] bus: add driver for IMX AIPSTZ bridge Laurentiu Mihalcea
2025-06-02  3:26   ` Shawn Guo
2025-06-02  4:09   ` Shawn Guo
2025-06-05 10:22     ` Peng Fan
2025-06-10 16:07     ` Laurentiu Mihalcea [this message]
2025-04-15 17:19 ` [PATCH v6 4/6] arm64: dts: imx8mp: convert 'aips5' to 'aipstz5' Laurentiu Mihalcea
2025-04-15 17:19 ` [PATCH v6 5/6] arm64: dts: imx8mp: add aipstz-related definitions Laurentiu Mihalcea
2025-06-02  4:11   ` Shawn Guo
2025-04-15 17:19 ` [PATCH v6 6/6] arm64: dts: imx8mp: make 'dsp' node depend on 'aips5' Laurentiu Mihalcea
2025-05-26 11:09 ` [PATCH v6 0/6] imx8mp: add support for the IMX AIPSTZ bridge Daniel Baluta

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