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Date: Tue, 2 Jun 2026 15:49:21 +0100
From: Jonathan Cameron <jic23@kernel.org>
To: Srirangan Madhavan <smadhavan@nvidia.com>
Cc: Mark Rutland <mark.rutland@arm.com>, Lorenzo Pieralisi
 <lpieralisi@kernel.org>, Sudeep Holla <sudeep.holla@kernel.org>, Conor
 Dooley <conor@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will
 Deacon <will@kernel.org>, Dan Williams <djbw@kernel.org>, Thierry Reding
 <treding@nvidia.com>, Jonathan Hunter <jonathanh@nvidia.com>,
 linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
 linux-tegra@vger.kernel.org
Subject: Re: [PATCH v1 1/2] arm64: smccc: add cache clean/invalidate IDs and
 return codes
Message-ID: <20260602154921.6c8e60e5@jic23-huawei>
In-Reply-To: <20260602082145.404939-2-smadhavan@nvidia.com>
References: <20260602082145.404939-1-smadhavan@nvidia.com>
	<20260602082145.404939-2-smadhavan@nvidia.com>
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On Tue,  2 Jun 2026 08:21:44 +0000
Srirangan Madhavan <smadhavan@nvidia.com> wrote:

> Define SMCCC Arch function IDs for CLEAN_INV_MEMREGION and its ATTRIBUTES
> call, and add RATE_LIMITED/BUSY return codes from DEN0028 for callers that
> need transient error handling.
> 
> Signed-off-by: Srirangan Madhavan <smadhavan@nvidia.com>
Reviewed-by: Jonathan Cameron <jic23@kernel.org>

I assume beta spec is enough to merge this?  Probably just need
someone from Arm to confirm.  Last time we had this feature and it got
ripped out it only made it to an alpha spec (which is not enough!)

Jonathan