[PATCH V2] remoteproc: coredump: correct argument 2 type for memcpy_fromio

Peng Fan (OSS) peng.fan at oss.nxp.com
Tue Nov 16 19:32:20 PST 2021


From: Peng Fan <peng.fan at nxp.com>

Address the sparse check warning:
>> drivers/remoteproc/remoteproc_coredump.c:169:53:
sparse: warning: incorrect type in argument 2 (different address spaces)
sparse:    expected void const volatile [noderef] __iomem *src
sparse:    got void *[assigned] ptr

Reported-by: kernel test robot <lkp at intel.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---

V2:
 Per Mathieu's comments, use 'const void __iomem *'

 drivers/remoteproc/remoteproc_coredump.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/remoteproc/remoteproc_coredump.c b/drivers/remoteproc/remoteproc_coredump.c
index c892f433a323..37d86043ce5e 100644
--- a/drivers/remoteproc/remoteproc_coredump.c
+++ b/drivers/remoteproc/remoteproc_coredump.c
@@ -166,7 +166,7 @@ static void rproc_copy_segment(struct rproc *rproc, void *dest,
 			memset(dest, 0xff, size);
 		} else {
 			if (is_iomem)
-				memcpy_fromio(dest, ptr, size);
+				memcpy_fromio(dest, (const void __iomem *)ptr, size);
 			else
 				memcpy(dest, ptr, size);
 		}
-- 
2.25.1




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