From:   "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
To:     bjorn.andersson@linaro.org, mathieu.poirier@linaro.org,
        shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de,
        festevam@gmail.com, linux-imx@nxp.com,
        linux-remoteproc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc:     Peng Fan <peng.fan@nxp.com>
Subject: [PATCH 5/9] remoteproc: imx_rproc: make clk optional
Date:   Tue, 11 Jan 2022 11:33:29 +0800
Message-Id: <20220111033333.403448-8-peng.fan@oss.nxp.com>
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References: <20220111033333.403448-1-peng.fan@oss.nxp.com>
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From: Peng Fan <peng.fan@nxp.com>

To i.MX8QXP/QM/ULP and i.MX7ULP, Mcore maybe out of control of Linux.
And in such case, no need clk, so make clk optional with has_clk.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/remoteproc/imx_rproc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 7b2578177ea8..0e99a3ca6fbc 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -89,6 +89,7 @@ struct imx_rproc {
 	struct work_struct		rproc_work;
 	struct workqueue_struct		*workqueue;
 	void __iomem			*rsc_table;
+	bool				has_clk;
 };
 
 static const struct imx_rproc_att imx_rproc_att_imx8mn[] = {
@@ -724,6 +725,9 @@ static int imx_rproc_clk_enable(struct imx_rproc *priv)
 	if (dcfg->method == IMX_RPROC_NONE)
 		return 0;
 
+	if (!priv->has_clk)
+		return 0;
+
 	priv->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(priv->clk)) {
 		dev_err(dev, "Failed to get clock\n");
@@ -768,6 +772,7 @@ static int imx_rproc_probe(struct platform_device *pdev)
 	priv->rproc = rproc;
 	priv->dcfg = dcfg;
 	priv->dev = dev;
+	priv->has_clk = true;
 
 	dev_set_drvdata(dev, rproc);
 	priv->workqueue = create_workqueue(dev_name(dev));
-- 
2.25.1