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From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] ARM: move firmware_ops to drivers/firmware
Date: Mon, 18 Nov 2013 10:03:37 -0700	[thread overview]
Message-ID: <528A4869.2020701@wwwdotorg.org> (raw)
In-Reply-To: <20131118115842.GE4050@arm.com>

On 11/18/2013 04:58 AM, Catalin Marinas wrote:
...
> Of course, trusted foundations interface could be plugged into cpu_ops
> on arm64 but I will NAK it on the grounds of not using the PSCI API, nor
> the SMC calling convention (and it's easy to fix when porting to ARMv8).
> If a supported standard API is used, then there is no need for
> additional code in the kernel.

What happens when someone takes an existing working secure-mode SW stack
and simply re-uses it on some new ARMv8 SoC. Are you going to force
people working on upstream to re-write the secure mode firmware in
shipped hardware before allowing upstream kernel support?

  reply	other threads:[~2013-11-18 17:03 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-17  8:49 [PATCH] ARM: move firmware_ops to drivers/firmware Alexandre Courbot
2013-11-17 15:59 ` Catalin Marinas
2013-11-18  3:05   ` Alex Courbot
2013-11-18 11:58     ` Catalin Marinas
2013-11-18 17:03       ` Stephen Warren [this message]
2013-11-18 17:10         ` Russell King - ARM Linux
2013-11-18 17:18           ` Stephen Warren
2013-11-18 17:30         ` Catalin Marinas
2013-11-18 17:52           ` Stephen Warren
2013-11-19 11:38             ` Catalin Marinas
2013-11-18 19:04           ` Christopher Covington
2013-11-19 11:02             ` Catalin Marinas
2013-11-19  2:46       ` Alex Courbot
2013-11-19 12:26         ` Catalin Marinas
2013-11-19 14:29           ` Alexandre Courbot
2013-11-19 15:07             ` Catalin Marinas
2013-11-19 15:17               ` Alexandre Courbot
2013-11-18 17:00   ` Stephen Warren
2013-11-18 17:23     ` Catalin Marinas
2013-11-18 17:14   ` Russell King - ARM Linux

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