linux-kernel - [PATCH V3 4/6] remoteproc: imx

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Date:   Thu,  9 Feb 2023 14:38:14 +0800
From:   "Peng Fan (OSS)" <peng.fan@....nxp.com>
To:     andersson@...nel.org, mathieu.poirier@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de,
        arnaud.pouliquen@...s.st.com, daniel.baluta@....com,
        iuliana.prodan@....com
Cc:     kernel@...gutronix.de, festevam@...il.com, linux-imx@....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 4/6] remoteproc: imx_rproc: force pointer type

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

Address below sparse check warning:
imx_rproc.c:498:12: sparse: warning: incorrect type in assignment (different address spaces)
imx_rproc.c:498:12: sparse:    expected void *va
imx_rproc.c:498:12: sparse:    got void [noderef] __iomem *
imx_rproc.c:515:20: sparse: warning: incorrect type in argument 1 (different address spaces)
imx_rproc.c:515:20: sparse:    expected void volatile [noderef] __iomem *io_addr
imx_rproc.c:515:20: sparse:    got void *va
imx_rproc.c:631:17: sparse: warning: cast removes address space '__iomem' of expression

Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/remoteproc/imx_rproc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 13199e593b47..295e0e0e869a 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -498,7 +498,7 @@ static int imx_rproc_mem_alloc(struct rproc *rproc,
 	void *va;
 
 	dev_dbg(dev, "map memory: %p+%zx\n", &mem->dma, mem->len);
-	va = ioremap_wc(mem->dma, mem->len);
+	va = (void __force *)ioremap_wc(mem->dma, mem->len);
 	if (IS_ERR_OR_NULL(va)) {
 		dev_err(dev, "Unable to map memory region: %p+%zx\n",
 			&mem->dma, mem->len);
@@ -515,7 +515,7 @@ static int imx_rproc_mem_release(struct rproc *rproc,
 				 struct rproc_mem_entry *mem)
 {
 	dev_dbg(rproc->dev.parent, "unmap memory: %pa\n", &mem->dma);
-	iounmap(mem->va);
+	iounmap((void __iomem *)mem->va);
 
 	return 0;
 }
@@ -631,7 +631,7 @@ static struct resource_table *imx_rproc_get_loaded_rsc_table(struct rproc *rproc
 		return NULL;
 
 	*table_sz = SZ_1K;
-	return (struct resource_table *)priv->rsc_table;
+	return (struct resource_table __force *)priv->rsc_table;
 }
 
 static const struct rproc_ops imx_rproc_ops = {
-- 
2.37.1