From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 48B6B330B1C; Fri, 17 Oct 2025 15:46:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760715985; cv=none; b=CzlRMLrmIZQHhG6btqiQOGVp/7ugugLUPAg8tlOOMdV06zPJw3Mz10/2PHWgqgvYBpkKQmitLr8Jh8PwcGRYo2+c0nRsHzkei0YB/4hTr7rv9zXouXCmeRt51kp1Ccmse6LUSdp8sdXEfxplQkq3s4569MNsdXz53JSyZJMNyL4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760715985; c=relaxed/simple; bh=3rWlyWEyQLjjcLU1n/Lw/96I/AsKqiUHx+5h7595jso=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gV7klninXJ5S8vDxAg+5JjO//9L1/6Dstg2SYIIOaxVlQfUzv1wdojLpj/RtIa3xcLPIXBrkETBSL+SF/NdHlX4iNGzjZvEozoODz+b+404+4gbqrOa/m1gHyhTGdXGvL8Eko0LxRsiNYdWFFhxkn7gA21G9jiE1D3NLZvW28v8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=jSxEotS3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="jSxEotS3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9D74C4CEE7; Fri, 17 Oct 2025 15:46:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760715985; bh=3rWlyWEyQLjjcLU1n/Lw/96I/AsKqiUHx+5h7595jso=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jSxEotS37T9DiVZ87+dPskuR6kWKReIGKfSyG8LD4JTc3iC5OJXr9j246OgOJJvbs 2i0bh9jX1OKPU8exzfq/m6mTabjr6mcGbfm8Cf6MPfwn220EFFYZCfKtTtO5C2Zy2D 0pauOsPEh/jkC1TkotKznNxAZXp3PUYi3WFFKePs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Sneh Mankad , Bjorn Andersson , Sasha Levin Subject: [PATCH 5.15 032/276] soc: qcom: rpmh-rsc: Unconditionally clear _TRIGGER bit for TCS Date: Fri, 17 Oct 2025 16:52:05 +0200 Message-ID: <20251017145143.577773352@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251017145142.382145055@linuxfoundation.org> References: <20251017145142.382145055@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sneh Mankad [ Upstream commit f87412d18edb5b8393eb8cb1c2d4a54f90185a21 ] Unconditionally clear the TCS_AMC_MODE_TRIGGER bit when a transaction completes. Previously this bit was only cleared when a wake TCS was borrowed as an AMC TCS but not for dedicated AMC TCS. Leaving this bit set for AMC TCS and entering deeper low power modes can generate a false completion IRQ. Prevent this scenario by always clearing the TCS_AMC_MODE_TRIGGER bit upon receiving a completion IRQ. Fixes: 15b3bf61b8d4 ("soc: qcom: rpmh-rsc: Clear active mode configuration for wake TCS") Signed-off-by: Sneh Mankad Link: https://lore.kernel.org/r/20250825-rpmh_rsc_change-v1-1-138202c31bf6@oss.qualcomm.com Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/soc/qcom/rpmh-rsc.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c index 4c9400cf6686b..5dc60ee0b07a1 100644 --- a/drivers/soc/qcom/rpmh-rsc.c +++ b/drivers/soc/qcom/rpmh-rsc.c @@ -415,13 +415,10 @@ static irqreturn_t tcs_tx_done(int irq, void *p) trace_rpmh_tx_done(drv, i, req, err); - /* - * If wake tcs was re-purposed for sending active - * votes, clear AMC trigger & enable modes and + /* Clear AMC trigger & enable modes and * disable interrupt for this TCS */ - if (!drv->tcs[ACTIVE_TCS].num_tcs) - __tcs_set_trigger(drv, i, false); + __tcs_set_trigger(drv, i, false); skip: /* Reclaim the TCS */ write_tcs_reg(drv, RSC_DRV_CMD_ENABLE, i, 0); -- 2.51.0