[PATCH] vop: Add missing __iomem annotation in vop_dc_to_vdev()

From: Ashutosh Dixit
Date: Sun Aug 02 2020 - 19:28:43 EST


Fix the following sparse warnings in drivers/misc/mic/vop//vop_main.c:

551:58: warning: incorrect type in argument 1 (different address spaces)
551:58: expected void const volatile [noderef] __iomem *addr
551:58: got restricted __le64 *
560:49: warning: incorrect type in argument 1 (different address spaces)
560:49: expected struct mic_device_ctrl *dc
560:49: got struct mic_device_ctrl [noderef] __iomem *dc
579:49: warning: incorrect type in argument 1 (different address spaces)
579:49: expected struct mic_device_ctrl *dc
579:49: got struct mic_device_ctrl [noderef] __iomem *dc

Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
Cc: Sudeep Dutt <sudeep.dutt@xxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Cc: Vincent Whitchurch <vincent.whitchurch@xxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@xxxxxxxxx>
---
drivers/misc/mic/vop/vop_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/mic/vop/vop_main.c b/drivers/misc/mic/vop/vop_main.c
index 85942f6717c5..25ed7d731701 100644
--- a/drivers/misc/mic/vop/vop_main.c
+++ b/drivers/misc/mic/vop/vop_main.c
@@ -546,7 +546,7 @@ static int vop_match_desc(struct device *dev, void *data)
return vdev->desc == (void __iomem *)data;
}

-static struct _vop_vdev *vop_dc_to_vdev(struct mic_device_ctrl *dc)
+static struct _vop_vdev *vop_dc_to_vdev(struct mic_device_ctrl __iomem *dc)
{
return (struct _vop_vdev *)(unsigned long)readq(&dc->vdev);
}
--
2.26.2.108.g048abe1751