[PATCH v4 12/12] remoteproc: imx_dsp_rproc: simplify start/stop error handling

From: Peng Fan (OSS)

Date: Tue Nov 18 2025 - 23:23:01 EST


From: Peng Fan <peng.fan@xxxxxxx>

Replace goto-based error handling with early return pattern in
imx_dsp_rproc_{start,stop}() functions, and simplify if-else logic.

No functional changes, only code structure improvements for better
maintainability.

Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
drivers/remoteproc/imx_dsp_rproc.c | 39 ++++++++++++++++++--------------------
1 file changed, 18 insertions(+), 21 deletions(-)

diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
index 6237e8db2eff759c2b7fcce5fb4a44e4ebaec8cf..1a1438823e7fc0a65ba15142abdd97e59692801c 100644
--- a/drivers/remoteproc/imx_dsp_rproc.c
+++ b/drivers/remoteproc/imx_dsp_rproc.c
@@ -376,20 +376,19 @@ static int imx_dsp_rproc_start(struct rproc *rproc)
struct device *dev = rproc->dev.parent;
int ret;

- if (dcfg->ops && dcfg->ops->start) {
- ret = dcfg->ops->start(rproc);
- goto start_ret;
- }
-
- return -EOPNOTSUPP;
+ if (!dcfg->ops || !dcfg->ops->start)
+ return -EOPNOTSUPP;

-start_ret:
- if (ret)
+ ret = dcfg->ops->start(rproc);
+ if (ret) {
dev_err(dev, "Failed to enable remote core!\n");
- else if (priv->flags & WAIT_FW_READY)
+ return ret;
+ }
+
+ if (priv->flags & WAIT_FW_READY)
return imx_dsp_rproc_ready(rproc);

- return ret;
+ return 0;
}

static int imx_dsp_rproc_mmio_stop(struct rproc *rproc)
@@ -431,20 +430,18 @@ static int imx_dsp_rproc_stop(struct rproc *rproc)
return 0;
}

- if (dcfg->ops && dcfg->ops->stop) {
- ret = dcfg->ops->stop(rproc);
- goto stop_ret;
- }
-
- return -EOPNOTSUPP;
+ if (!dcfg->ops || !dcfg->ops->stop)
+ return -EOPNOTSUPP;

-stop_ret:
- if (ret)
+ ret = dcfg->ops->stop(rproc);
+ if (ret) {
dev_err(dev, "Failed to stop remote core\n");
- else
- priv->flags &= ~REMOTE_IS_READY;
+ return ret;
+ }

- return ret;
+ priv->flags &= ~REMOTE_IS_READY;
+
+ return 0;
}

/**

--
2.37.1