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From: "Andrew Jeffery" <andrew@aj.id.au>
To: "Zev Weiss" <zweiss@equinix.com>, "Adriana Kobylak" <anoo@linux.ibm.com>
Cc: "Russell King" <linux@armlinux.org.uk>,
	"Joel Stanley" <joel@jms.id.au>,
	"Olof Johansson" <olof@lixom.net>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-aspeed@lists.ozlabs.org" <linux-aspeed@lists.ozlabs.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Bruce Mitchell" <bruce.mitchell@linux.vnet.ibm.com>,
	"openbmc@lists.ozlabs.org" <openbmc@lists.ozlabs.org>,
	"Adriana Kobylak" <anoo@us.ibm.com>,
	"Eddie James" <eajames@linux.ibm.com>,
	"George Liu" <liuxiwei1013@gmail.com>
Subject: Re: [PATCH] ARM: configs: aspeed: Add support for USB flash drives
Date: Mon, 15 Nov 2021 10:56:33 +1030	[thread overview]
Message-ID: <65620ec1-94fb-48f7-a8f8-8e9f409b0fc8@www.fastmail.com> (raw)
In-Reply-To: <20211113002948.GE14774@packtop>



On Sat, 13 Nov 2021, at 10:59, Zev Weiss wrote:
> On Fri, Nov 12, 2021 at 12:29:31PM PST, Adriana Kobylak wrote:
>>From: Adriana Kobylak <anoo@us.ibm.com>
>>
>>Add support to detect USB flash drives and create the /dev/sd* devices.
>>Also add support for vfat to support USB drives formatted as FAT32.
>>This support will be used to enable firmware updates via USB flash
>>drives where the firmware image is stored in the USB drive and it's
>>plugged into the BMC USB port.
>>
>
> Hmm, how common is it for BMCs to have a USB port?  Perhaps it's more so
> than I realize, but at least in my (admittedly somewhat limited)
> experience I've yet to encounter one that does, so I'm wondering how
> appropriate these options are for the aspeed-g5 defconfig if they might
> just end up as a bunch of code that's never executed on most BMCs.

The intent with the Aspeed defconfigs was to enable options that 
provide a broad coverage of features used by e.g. upstream OpenBMC 
systems. This aids kernel maintenance for OpenBMC. The platform 
configuration in OpenBMC should provide a kernel config that only 
enables options relevant to that specific platform. With this in mind I 
think it's fine that USB support is enabled in the defconfigs.

Andrew

      parent reply	other threads:[~2021-11-15  0:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-12 20:29 [PATCH] ARM: configs: aspeed: Add support for USB flash drives Adriana Kobylak
2021-11-13  0:29 ` Zev Weiss
2021-11-13  9:48   ` Richard Hughes
2021-11-15  0:26   ` Andrew Jeffery [this message]

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