linux-kernel - Re: [RFC, PATCH 1/1] rpmb: add Replay Protected Memory Block (RPMB) driver

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Message-ID: <e727c5c9-58c1-5d14-99c1-5d9a62998b5@linux.microsoft.com>
Date:   Wed, 26 Jul 2023 13:10:13 -0700 (PDT)
From:   Shyam Saini <shyamsaini@...ux.microsoft.com>
To:     Randy Dunlap <rdunlap@...radead.org>
cc:     linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
        op-tee@...ts.trustedfirmware.org, linux-scsi@...r.kernel.org,
        Alex Bennée <alex.bennee@...aro.org>,
        Tomas Winkler <tomas.winkler@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Arnd Bergmann <arnd.bergmann@...aro.org>,
        Ilias Apalodimas <ilias.apalodimas@...aro.org>,
        Sumit Garg <sumit.garg@...aro.org>,
        Tyler Hicks <code@...icks.com>,
        "Srivatsa S . Bhat" <srivatsa@...il.mit.edu>,
        Paul Moore <paul@...l-moore.com>,
        Allen Pais <apais@...ux.microsoft.com>
Subject: Re: [RFC, PATCH 1/1] rpmb: add Replay Protected Memory Block (RPMB)
 driver



Hi Randy,

Thank you for the reviews.

> Hi--
>
> On 7/21/23 18:40, Shyam Saini wrote:
>> diff --git a/drivers/rpmb/Kconfig b/drivers/rpmb/Kconfig
>> new file mode 100644
>> index 000000000000..f2a9ebdc4435
>> --- /dev/null
>> +++ b/drivers/rpmb/Kconfig
>> @@ -0,0 +1,11 @@
>> +# SPDX-License-Identifier: GPL-2.0
>> +# Copyright (c) 2015-2019, Intel Corporation.
>> +
>> +config RPMB
>> +	tristate "RPMB partition interface"
>> +	help
>> +	  Unified RPMB partition interface for RPMB capable devices such as
>> +          eMMC and UFS. Provides interface for in kernel security controllers to
>
> Indent the line above with one tab + 2 spaces instead of many spaces.
>> +	  access RPMB partition.
>> +
>> +	  If unsure, select N.
>
> Do we want a separate subdir in drivers/ for various "misc" drivers?
> with only one driver in it?
>
> Will there be other drivers in rpmb?
>

There may be others as the usage of rpmb driver grow over time but for 
now, this is the only  driver.
Should i keep it like this ?[A

Thanks,
Shyam