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Thu, 3 Jul 2025 07:00:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D4874C4CEE3; Thu, 3 Jul 2025 07:00:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751526019; bh=RJxYqix0M49SAg8BSVQruWOj2VMiP2GPZSRKVyrU5fk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=XzAtYH73OZqnlUTTj0yaVJvZgzhhUEkkbVYKZ2zGmS2Lz+59ZaAxZbyY7VgQOxeNI dW5E/HAY1pOQyjRT3IDFXo0nW5hKHcMwOqZ63Do3gj4X8CilOi5Zn2RAsCVSSgqn9e pAcrgtGIVQlMBBYifqzuMYNGJM5QTsFzrdd3p+fbouYwFB8h9eWOyvsBoItdthiK1W H42DfsmjESNA5g9/VmMWQLCpsAeQb+ZcMJwrnAIeRmdhnFAlBlJUNDrieNhk8borKD mqxdyFW91Z9f1+j9/5dx66xCpHOpJcouXVDfAhob3MuuB5mKPfPSqwdVJb4+5ZNKTF 3UU5JvdV2mSBg== Message-ID: <6824e14b-8f79-4fee-85f6-e5f78a8ef265@kernel.org> Date: Thu, 3 Jul 2025 09:00:14 +0200 X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH RFC 7/9] powerpc/pseries: Enable HVPIPE event message interrupt To: Haren Myneni , linuxppc-dev@lists.ozlabs.org Cc: maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, msuchanek@suse.de, mahesh@linux.ibm.com, tyreld@linux.ibm.com, hbabu@us.ibm.com References: <20250702221444.879256-1-haren@linux.ibm.com> <20250702221444.879256-8-haren@linux.ibm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 03/07/2025 00:14, Haren Myneni wrote: > +static int __init enable_hvpipe_IRQ(void) > +{ > + struct device_node *np; > + > + hvpipe_check_exception_token = rtas_function_token(RTAS_FN_CHECK_EXCEPTION); > + if (hvpipe_check_exception_token == RTAS_UNKNOWN_SERVICE) > + return -ENODEV; > + > + /* hvpipe events */ > + np = of_find_node_by_path("/event-sources/ibm,hvpipe-msg-events"); Undocumented ABI, NAK. Plus node names should not be used at all as ABI... and naming does not follow DT spec/style, not sure if you care about it, though. > + if (np != NULL) { > + request_event_sources_irqs(np, hvpipe_event_interrupt, > + "HPIPE_EVENT"); > + of_node_put(np); > + } else { > + pr_err("Can not enable hvpipe event IRQ\n"); Best regards, Krzysztof