From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from canpmsgout06.his.huawei.com (canpmsgout06.his.huawei.com [113.46.200.221]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 09F672EEE69; Mon, 29 Jun 2026 13:54:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.221 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782741298; cv=none; b=tl1fwS5Na6EH4Y4gNMaeDSPyHwn+F9qCaethRC3zt7YLU83qeT6ISXenTberUKeTQp8cGd8wb4r6kyiUyrw3za1UzsiL7AfDMp2ruCBREbuEkFENwJTpJNekoqkvfzuNrmoxuy9DHnn3AtVKHrHVcgkezg8TyqAYNikVS+c0BAs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782741298; c=relaxed/simple; bh=CZDUHnucHtSZUcinegt1BgsmjdjQ1MRZPIYUPOlnrWg=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=Hj3V47fPJOdmWDGlJBbKMwMrl/LbYRrgSKcHq2gShNo6wgR4UR20cLEVB893LjwWFYFuYI0AXMlTXdYlKpOsDcjf4VHQxQX9l/TSNoDn5u8E0u/0NiensneikuIObfAEX/MBbzhr+znTpvzbYtrkIF4C1O+NAL+CDnosmmbxUUk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=h-partners.com; dkim=pass (1024-bit key) header.d=h-partners.com header.i=@h-partners.com header.b=UZtFDxXr; arc=none smtp.client-ip=113.46.200.221 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=h-partners.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=h-partners.com header.i=@h-partners.com header.b="UZtFDxXr" dkim-signature: v=1; a=rsa-sha256; d=h-partners.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=t9T5Lp5nLSonWQffrRHRvV7gIOzIwOaLG5BFkBIDEjw=; b=UZtFDxXrmtAvPqwa/hIasKP4BVI0X9GSbeAoGAf+KWtYOoLOVvHggrJeZIVhduGVlQG34v2OO l0rILHsbNONURfb6P7vCfc1hOut+R8JqzInoE6Or9/GJAY+a4f5zjvHYBxTyL3o20dnCrILawFr ZaM6ABpubRfiYZHb9TuUb08= Received: from mail.maildlp.com (unknown [172.19.163.0]) by canpmsgout06.his.huawei.com (SkyGuard) with ESMTPS id 4gpnbt6yJtzRhRs; Mon, 29 Jun 2026 21:45:46 +0800 (CST) Received: from kwepemo100005.china.huawei.com (unknown [7.202.195.212]) by mail.maildlp.com (Postfix) with ESMTPS id 3EE2640584; Mon, 29 Jun 2026 21:54:54 +0800 (CST) Received: from [10.67.121.59] (10.67.121.59) by kwepemo100005.china.huawei.com (7.202.195.212) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Mon, 29 Jun 2026 21:54:53 +0800 Message-ID: <94e6e33f-8bce-405e-8560-e89187fbc53b@huawei.com> Date: Mon, 29 Jun 2026 21:54:52 +0800 Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] mailbox: pcc: Notify clients on polled completion To: Sudeep Holla , , CC: Jassi Brar , Cristian Marussi References: <20260627150008.3984670-1-sudeep.holla@kernel.org> From: "lihuisong (C)" In-Reply-To: <20260627150008.3984670-1-sudeep.holla@kernel.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To kwepemo100005.china.huawei.com (7.202.195.212) On 6/27/2026 11:00 PM, Sudeep Holla wrote: > PCC channels without a platform interrupt rely on the mailbox > polling path to detect command completion. > > That path currently only reports transmit completion to the mailbox > core, so clients that wait for their receive callback do not get > notified when the command completes. > > Call mbox_chan_received_data() when polling observes completion on a > channel without a platform IRQ, matching the interrupt-driven > completion path. > > Reported-by: Cristian Marussi > Signed-off-by: Sudeep Holla LGTM, Acked-by: Huisong Li > /**