[PATCH 5/9] remoteproc: imx_rproc: make clk optional

From: Peng Fan (OSS)
Date: Mon Jan 10 2022 - 22:36:33 EST


From: Peng Fan <peng.fan@xxxxxxx>

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@xxxxxxx>
---
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