From nobody Thu Apr 2 20:21:29 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 43420405AB0; Thu, 26 Mar 2026 15:22:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774538526; cv=none; b=Bf//RbudBN+218Pm2hbFUWWtdUX3fYIDUli/kKLU1TkSfrCxgFdXAVBpUyNjCbsVFSBDcZfki4YdRRIEMllcTKStak4NDzowEb0rAZ5oZd1JqLHK4d9sz05qUhTZhJ1g5m3RamDuyOmLLDR/U8Z1fQk4BR80X97wLWInMjS3SN8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774538526; c=relaxed/simple; bh=RvEG6GjzGJXKKLKHclqRLVkzUMXEgBNiaGZyyG+1DlU=; h=Date:From:To:Subject:Cc:In-Reply-To:References:MIME-Version: Message-ID:Content-Type; b=Nye+4fHVrdBOwWwks2S44VmvOyWV/DQquL7r1ViVMaDNRoex4YrPOkJs9jirox8/NqICstfs4Jjs/Whwkwj+8O6SKVlfLIkZHlvYL+ULAnrXpg75D0FMkxP3PwV0Ta/uv7+pg9F01pnUJIHTYji03nhms3XtzK4rOuBGV6AToYA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=VjPaf40o; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=+B3a94I0; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="VjPaf40o"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="+B3a94I0" Date: Thu, 26 Mar 2026 15:22:02 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1774538524; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rPTl5hzREaz3PJK20XgBhSJ+ViPcqT7uDCUd+Nl43PI=; b=VjPaf40oGO2vXV+MIZ1iqRtc5eB33WeDyPOs+Xm8lZix0iPacZBm/B3m8o2lfHAlciwNTH vVvvgaA7w+cJsDoTq14DUs+as9qLH1423ny9k1j5ksl3DaDdpA+ftbKyMum1iI2E9ojCPU CM97+pol2U2JvtCvWhLjwL1SJ7amIUEjZaXJeOJVK38El8gGvnImy0frF5iBOpnajEYP31 YvX6vS4xru+6o22EsI1dkjT6t94UoPDKxUvUz03wTofl7OJYj15zklDoc2nlEzviT9tdhJ pbNsy1Gs8x+84hy9nlBQxcBPt1+ubmmIuDNQ+lHoLczHUX95SdBOhsgloFVlJQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1774538524; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=rPTl5hzREaz3PJK20XgBhSJ+ViPcqT7uDCUd+Nl43PI=; b=+B3a94I0zc2s9pb3AffVbqgM01z9JgTsACWsMaTFZ2IxJk7M9OdPao4txsJApUNBvTtUMk ZJdheJXCXT78liBg== From: "tip-bot2 for Jassi Brar" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: irq/drivers] irqchip/qcom-mpm: Add missing mailbox TX done acknowledgment Cc: Jassi Brar , Thomas Gleixner , Douglas Anderson , stable@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20260322171533.608436-1-jassisinghbrar@gmail.com> References: <20260322171533.608436-1-jassisinghbrar@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <177453852274.1647592.3165689758762688077.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable The following commit has been merged into the irq/drivers branch of tip: Commit-ID: cfe02147e86307a17057ee4e3604f5f5919571d2 Gitweb: https://git.kernel.org/tip/cfe02147e86307a17057ee4e3604f5f59= 19571d2 Author: Jassi Brar AuthorDate: Sun, 22 Mar 2026 12:15:33 -05:00 Committer: Thomas Gleixner CommitterDate: Thu, 26 Mar 2026 16:11:53 +01:00 irqchip/qcom-mpm: Add missing mailbox TX done acknowledgment The mbox_client for qcom-mpm sends NULL doorbell messages via mbox_send_message() but never signals TX completion. Set knows_txdone=3Dtrue and call mbox_client_txdone() after a successful send, matching the pattern used by other Qualcomm mailbox clients (smp2p, smsm, qcom_aoss etc). Fixes: a6199bb514d8a6 "irqchip: Add Qualcomm MPM controller driver" Signed-off-by: Jassi Brar Signed-off-by: Thomas Gleixner Reviewed-by: Douglas Anderson Cc: stable@vger.kernel.org Link: https://patch.msgid.link/20260322171533.608436-1-jassisinghbrar@gmail= .com --- drivers/irqchip/irq-qcom-mpm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/irqchip/irq-qcom-mpm.c b/drivers/irqchip/irq-qcom-mpm.c index 83f31ea..1813205 100644 --- a/drivers/irqchip/irq-qcom-mpm.c +++ b/drivers/irqchip/irq-qcom-mpm.c @@ -306,6 +306,8 @@ static int mpm_pd_power_off(struct generic_pm_domain *g= enpd) if (ret < 0) return ret; =20 + mbox_client_txdone(priv->mbox_chan, 0); + return 0; } =20 @@ -434,6 +436,7 @@ static int qcom_mpm_probe(struct platform_device *pdev,= struct device_node *pare } =20 priv->mbox_client.dev =3D dev; + priv->mbox_client.knows_txdone =3D true; priv->mbox_chan =3D mbox_request_channel(&priv->mbox_client, 0); if (IS_ERR(priv->mbox_chan)) { ret =3D PTR_ERR(priv->mbox_chan);