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authorEric Farman <farman@linux.ibm.com>2019-06-18 22:23:52 +0200
committerCornelia Huck <cohuck@redhat.com>2019-06-21 14:13:37 +0200
commit5223bee837e8d90d752de744c5702706a7bb13d9 (patch)
treeaa5b68448ce9cdd36a6e12a315622bbdefb43e07 /drivers/s390/cio/vfio_ccw_cp.c
parentvfio-ccw: Factor out the ccw0-to-ccw1 transition (diff)
downloadlinux-dev-5223bee837e8d90d752de744c5702706a7bb13d9.tar.xz
linux-dev-5223bee837e8d90d752de744c5702706a7bb13d9.zip
vfio-ccw: Remove copy_ccw_from_iova()
Just to keep things tidy. Signed-off-by: Eric Farman <farman@linux.ibm.com> Message-Id: <20190618202352.39702-6-farman@linux.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Farhan Ali <alifm@linux.ibm.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to '')
-rw-r--r--drivers/s390/cio/vfio_ccw_cp.c14
1 files 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;