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 CBD0A347FF4; Tue, 16 Dec 2025 11:38:41 +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=1765885121; cv=none; b=JMSzXjDcict2bgytmGcF1mXJ9lk4r9vwWcYc99M7hB+O5QC7WYvILMKiVDn5IMosIghirAk4nGAAj5P/sPNLJjyZKEp1sn8Z+xfVrY1XTE+xC1WBy9BRtIVbRpfZL7ZGwL7VK638xm6l+F7D4YQ7RmHZ1MlCoIPJpYd3FTIyF80= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765885121; c=relaxed/simple; bh=85kn43mF8euOyTplU44l51mpDJKrtZNNXlu+2/nw1to=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LQyzgpTn2LVqpTQ8HV7x/ukqvRTrwj52DHeq0k433FM8kLIanOfQvs713QxF5vJuN7yeYzUhMaMlCkTcKVlY7rRoZ3yL7dZWGrz3qhENMC1NuKwE/SmqbtAKp8fBnFY6WKKomTNJJB33ofiLWTD9t/PF5EpafY+6V2uFDoUXsCE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=cOGrVdd9; 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="cOGrVdd9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D2FFC4CEF1; Tue, 16 Dec 2025 11:38:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1765885121; bh=85kn43mF8euOyTplU44l51mpDJKrtZNNXlu+2/nw1to=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cOGrVdd9BqqXHD2ytEL9FSvqA+BgWGV0RKfk87mukynum5EAH+5lGPD/HKlRMCcQu 0/Zw4gOCvLDmQjBdbJcf2/fWUbtTNoQ6PuVCbFd3XPNNike5g6llJStRHzKTftb9xT bBlRPTSK+eLQminAJ5DD1IRRGKIxPthLjJW5iV2U= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ulf Hansson , Hiago De Franco , Peng Fan , Mathieu Poirier , Sasha Levin Subject: [PATCH 6.17 027/507] remoteproc: imx_rproc: Fix runtime PM cleanup and improve remove path Date: Tue, 16 Dec 2025 12:07:48 +0100 Message-ID: <20251216111346.519575908@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251216111345.522190956@linuxfoundation.org> References: <20251216111345.522190956@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Peng Fan [ Upstream commit 80405a34e1f8975cdb2d7d8679bca7f768861035 ] Proper cleanup should be done when rproc_add() fails by invoking both pm_runtime_disable() and pm_runtime_put_noidle() to avoid leaving the device in an inconsistent power state. Fix it by adding pm_runtime_put_noidle() and pm_runtime_disable() in the error path. Also Update the remove() callback to use pm_runtime_put_noidle() instead of pm_runtime_put(), to clearly indicate that only need to restore the usage count. Fixes: a876a3aacc43 ("remoteproc: imx_rproc: detect and attach to pre-booted remote cores") Cc: Ulf Hansson Cc: Hiago De Franco Suggested-by: Ulf Hansson Signed-off-by: Peng Fan Reviewed-by: Ulf Hansson Link: https://lore.kernel.org/r/20250926-imx_rproc_v3-v3-1-4c0ec279cc5f@nxp.com Signed-off-by: Mathieu Poirier Signed-off-by: Sasha Levin --- drivers/remoteproc/imx_rproc.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index a6eef0080ca9e..2eaff813a5b9f 100644 --- a/drivers/remoteproc/imx_rproc.c +++ b/drivers/remoteproc/imx_rproc.c @@ -1174,11 +1174,16 @@ static int imx_rproc_probe(struct platform_device *pdev) ret = rproc_add(rproc); if (ret) { dev_err(dev, "rproc_add failed\n"); - goto err_put_clk; + goto err_put_pm; } return 0; +err_put_pm: + if (dcfg->method == IMX_RPROC_SCU_API) { + pm_runtime_disable(dev); + pm_runtime_put_noidle(dev); + } err_put_clk: clk_disable_unprepare(priv->clk); err_put_scu: @@ -1198,7 +1203,7 @@ static void imx_rproc_remove(struct platform_device *pdev) if (priv->dcfg->method == IMX_RPROC_SCU_API) { pm_runtime_disable(priv->dev); - pm_runtime_put(priv->dev); + pm_runtime_put_noidle(priv->dev); } clk_disable_unprepare(priv->clk); rproc_del(rproc); -- 2.51.0