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Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.99.5 #2 (Red Hat Linux)) id 1xHONU-00000000clw-2M64 for linux-arm-kernel@lists.infradead.org; Thu, 15 Oct 2026 16:32:26 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id A328614BF; Thu, 15 Oct 2026 09:32:19 -0700 (PDT) Received: from [10.0.138.89] (XHFQ2J9959-5.cambridge.arm.com [10.0.138.89]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E966C3F871; Thu, 15 Oct 2026 09:32:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1792081942; bh=K53bHe/qRL8PgX+fC0aZ/IKukdzfGE2CeH1J1pXxbIw=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=QvHiuvww2XMiC1VH5lrEn7YT52tcUfUfqnhqZ6AL7/+1oS59HDeC1lXKxNrpFi1pC t0SbzJpTfupyKQqZc3bVVGYXHq188MRT6NrH01zSEEbyjpLbZx7PQxzYaj0Ht2nEy2 xPD7PUul+C++YYvpS1ogXhTXImp3VMZKjPrCVxsE= Message-ID: Date: Thu, 15 Oct 2026 17:32:18 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v2 02/15] misc/arm-cla: Add launch operation helpers To: Greg Kroah-Hartman Cc: Arnd Bergmann , Catalin Marinas , Will Deacon , Mark Rutland , Marc Zyngier , Oliver Upton , Alex Williamson , Jason Gunthorpe , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jean-Philippe Brucker , Oded Gabbay , Jonathan Corbet , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-doc@vger.kernel.org References: <20261015142552.4128028-1-ryan.roberts@arm.com> <20261015142552.4128028-3-ryan.roberts@arm.com> <2026101542-briskness-most-a8ca@gregkh> From: Ryan Roberts Content-Language: en-GB In-Reply-To: <2026101542-briskness-most-a8ca@gregkh> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261015_173224_817454_8A16129F X-CRM114-Status: GOOD ( 13.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 15/10/2026 17:17, Greg Kroah-Hartman wrote: > On Thu, Oct 15, 2026 at 03:25:36PM +0100, Ryan Roberts wrote: >> From: Jean-Philippe Brucker >> >> CLA commands are issued by writing optional payload registers, >> programming the LAUNCH register and polling LRESP until the hardware >> accepts or rejects the operation. >> >> Add a common launch helper that performs this sequence on the CLA's >> local CPU, waits for LRESP completion and translates launch response >> codes into Linux errors. >> >> Build accelerator reset and register read and write support on top of >> it. The register read and write helpers split larger accesses into >> multiple launch operations when an access crosses an eight-register >> window. >> >> Signed-off-by: Jean-Philippe Brucker > > You forgot to sign off on patches from others :( Ahh sh*t, sorry about that. Hopefully given this is "just" an RFC that's not a big deal? Else, let me know and I'll resend.