[RFC PATCH v1 5/5] vfio-ccw: Remove copy_ccw_from_iova()

Eric Farman
2019-06-18T20:24:01Z

Just to keep things tidy.

Signed-off-by: Eric Farman <farman@linux.ibm.com>
---
drivers/s390/cio/vfio_ccw_cp.c | 14 ++------------
1 file changed, 2 insertions(+), 12 deletions(-)

diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
index 9a8bf06281e0..9cddc1288059 100644
--- a/drivers/s390/cio/vfio_ccw_cp.c
+++ b/drivers/s390/cio/vfio_ccw_cp.c
@@ -228,17 +228,6 @@ static long copy_from_iova(struct device *mdev,
return l;
}

-static long copy_ccw_from_iova(struct channel_program *cp,
- struct ccw1 *to, u64 iova,
- unsigned long len)
-{
- int ret;
-
- ret = copy_from_iova(cp->mdev, to, iova, len * sizeof(struct ccw1));
-
- return ret;
-}
-
/*
* Helpers to operate ccwchain.
*/
@@ -435,7 +424,8 @@ static int ccwchain_handle_ccw(u32 cda, struct channel_program *cp)
int len;

/* Copy 2K (the most we support today) of possible CCWs */
- len = copy_ccw_from_iova(cp, cp->guest_cp, cda, CCWCHAIN_LEN_MAX);
+ len = copy_from_iova(cp->mdev, cp->guest_cp, cda,
+ CCWCHAIN_LEN_MAX * sizeof(struct ccw1));
if (len)
return len;

--
2.17.1