On Thu, Nov 06, 2025 at 11:30:32AM +0800, Peng Fan wrote:
> Allow each platform to provide its own implementation of start/stop/
> detect_mode operations, and prepare to eliminate the need for multiple
> switch-case statements.
>
> Improve code readability and maintainability by encapsulating
> platform-specific behavior.
>
> No functional changes.
>
> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
> Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
> ---
> drivers/remoteproc/imx_dsp_rproc.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c
> index 1726aaa1eafb9ac1a913e3e2caea73801b86dc09..833b1bd4019614157f0bedf09bd348caab802eef 100644
> --- a/drivers/remoteproc/imx_dsp_rproc.c
> +++ b/drivers/remoteproc/imx_dsp_rproc.c
> @@ -404,6 +404,11 @@ 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;
> + }
> +
> switch (dcfg->method) {
> case IMX_RPROC_MMIO:
> ret = regmap_update_bits(priv->regmap,
> @@ -424,6 +429,7 @@ static int imx_dsp_rproc_start(struct rproc *rproc)
> return -EOPNOTSUPP;
> }
>
> +start_ret:
> if (ret)
> dev_err(dev, "Failed to enable remote core!\n");
> else if (priv->flags & WAIT_FW_READY)
> @@ -449,6 +455,11 @@ 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;
> + }
> +
> switch (dcfg->method) {
> case IMX_RPROC_MMIO:
> ret = regmap_update_bits(priv->regmap, dcfg->src_reg, dcfg->src_mask,
> @@ -467,6 +478,7 @@ static int imx_dsp_rproc_stop(struct rproc *rproc)
> return -EOPNOTSUPP;
> }
>
> +stop_ret:
> if (ret)
> dev_err(dev, "Failed to stop remote core\n");
> else
> @@ -1085,10 +1097,14 @@ static int imx_dsp_attach_pm_domains(struct imx_dsp_rproc *priv)
> static int imx_dsp_rproc_detect_mode(struct imx_dsp_rproc *priv)
> {
> const struct imx_dsp_rproc_dcfg *dsp_dcfg = priv->dsp_dcfg;
> + const struct imx_rproc_dcfg *dcfg = dsp_dcfg->dcfg;
> struct device *dev = priv->rproc->dev.parent;
> struct regmap *regmap;
> int ret = 0;
>
> + if (dcfg->ops && dcfg->ops->detect_mode)
> + return dcfg->ops->detect_mode(priv->rproc);
> +
> switch (dsp_dcfg->dcfg->method) {
> case IMX_RPROC_SCU_API:
> ret = imx_scu_get_handle(&priv->ipc_handle);
>
> --
> 2.37.1
>