linux-kernel - [PATCH V3 3/4] remoteproc: imx_rproc: move memory parsing to rproc

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Date:   Thu,  8 Apr 2021 09:44:48 +0800
From:   peng.fan@....nxp.com
To:     ohad@...ery.com, bjorn.andersson@...aro.org,
        mathieu.poirier@...aro.org, o.rempel@...gutronix.de
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH V3 3/4] remoteproc: imx_rproc: move memory parsing to rproc_ops

From: Peng Fan <peng.fan@....com>

Use the rproc_ops::prepare() hook for doing memory resources
reallocation when reattaching a remote procesor.

Suggested-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>
Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/remoteproc/imx_rproc.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index b05aae0ad7a2..7cd09971d1a4 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -317,7 +317,7 @@ static int imx_rproc_mem_release(struct rproc *rproc,
 	return 0;
 }
 
-static int imx_rproc_parse_memory_regions(struct rproc *rproc)
+static int imx_rproc_prepare(struct rproc *rproc)
 {
 	struct imx_rproc *priv = rproc->priv;
 	struct device_node *np = priv->dev->of_node;
@@ -363,10 +363,7 @@ static int imx_rproc_parse_memory_regions(struct rproc *rproc)
 
 static int imx_rproc_parse_fw(struct rproc *rproc, const struct firmware *fw)
 {
-	int ret = imx_rproc_parse_memory_regions(rproc);
-
-	if (ret)
-		return ret;
+	int ret;
 
 	ret = rproc_elf_load_rsc_table(rproc, fw);
 	if (ret)
@@ -399,6 +396,7 @@ static void imx_rproc_kick(struct rproc *rproc, int vqid)
 }
 
 static const struct rproc_ops imx_rproc_ops = {
+	.prepare	= imx_rproc_prepare,
 	.start		= imx_rproc_start,
 	.stop		= imx_rproc_stop,
 	.kick		= imx_rproc_kick,
-- 
2.30.0