remoteproc: imx_rproc: Introduce prepare ops for imx_rproc_dcfg

Allow each platform to provide its own prepare operations, preparing
for i.MX95 LMM and CPU ops support.

No functional changes.

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20260109-imx95-rproc-2026-1-8-v6-3-d2fefb36263d@nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 78659c8fb84d95f3d258c21af76cefea1c82850e..b0857a1a9660503ee7cd5473c06dacb5262286b8 100644 (file)
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -527,6 +527,11 @@ static int imx_rproc_prepare(struct rproc *rproc)
                rproc_coredump_add_segment(rproc, da, resource_size(&res));
                rproc_add_carveout(rproc, mem);
        }
+
+       if (priv->ops && priv->ops->prepare)
+               return priv->ops->prepare(rproc);
+
+       return 0;
 }
 
 static int imx_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)

diff --git a/drivers/remoteproc/imx_rproc.h b/drivers/remoteproc/imx_rproc.h
index 1b2d9f4d6d19dcdc215be97f7e2ab3488281916a..37417568a0ade2ae4d6a4e3d0f139ea52b185254 100644 (file)
--- a/drivers/remoteproc/imx_rproc.h
+++ b/drivers/remoteproc/imx_rproc.h
@@ -24,6 +24,7 @@ struct imx_rproc_plat_ops {
        int (*stop)(struct rproc *rproc);
        int (*detach)(struct rproc *rproc);
        int (*detect_mode)(struct rproc *rproc);
+       int (*prepare)(struct rproc *rproc);
 };
 
 struct imx_rproc_dcfg {