# \[PATCH\] bus: fsl-mc: add missing \_\_iomem attribute

- From: laurentiu.tudor@nxp.com
- Date: 2020-12-16 16:11:32 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2020/12/6211971
- Thread: https://ratatoskr.run/linux-arm-kernel/2020/12/6211971/t.md

```text
From: Laurentiu Tudor <laurentiu.tudor@nxp.com>

This pointer to an i/o register block is missing the __iomem attribute,
so add it. The issue was found by 0-day sparse run.

Reported-by: kernel test robot <redacted>
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
---
 drivers/bus/fsl-mc/fsl-mc-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index b8e6acdf932e..5a8fc68d6109 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -41,7 +41,7 @@ struct fsl_mc {
 	struct fsl_mc_device *root_mc_bus_dev;
 	u8 num_translation_ranges;
 	struct fsl_mc_addr_translation_range *translation_ranges;
-	void *fsl_mc_regs;
+	void __iomem *fsl_mc_regs;
 };
 
 /**
-- 
2.17.1


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