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Date:   Mon, 7 Mar 2022 11:04:34 +0100
From:   =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= <clement.leger@bootlin.com>
To:     Etienne Carriere <etienne.carriere@linaro.org>
Cc:     Alessandro Zummo <a.zummo@towertech.it>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org,
        Jens Wiklander <jens.wiklander@linaro.org>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Subject: Re: [PATCH] rtc: optee: add RTC driver for OP-TEE RTC PTA
Message-ID: <20220307110434.33fd2f87@fixe.home>
In-Reply-To: <CAN5uoS9J7P-74Zi-AuiXfTMesFOPEmFSmT2GcO8QmR6ebCXGAw@mail.gmail.com>
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Le Sun, 6 Mar 2022 22:08:48 +0100,
Etienne Carriere <etienne.carriere@linaro.org> a =C3=A9crit :

> Hello Clement,
>=20
> In the code, rtc-optee driver opens a session with optee and allocates
> shared memory from probe to remove time.
> This uses resources in the TEE but RTC is not accessed often by Linux I g=
uess.
> Would it be interesting if a session is opened and shared memory
> allocated only when a RPC command is to be invoked?

Hi Etienne, that is an idea that could be added later I guess ?

>=20
> Minor comments below.

Thanks for the review.

--=20
Cl=C3=A9ment L=C3=A9ger,
Embedded Linux and Kernel engineer at Bootlin
https://bootlin.com