diff options
| author | pfg <pfg@FreeBSD.org> | 2016-04-26 15:03:15 +0000 |
|---|---|---|
| committer | pfg <pfg@FreeBSD.org> | 2016-04-26 15:03:15 +0000 |
| commit | 96555d383362c30d444593333d60a4588416db62 (patch) | |
| tree | df1bb710ebf946f1a7c1b38464ef836fddfee71c /sys/dev/usb/controller/xhci.c | |
| parent | 8f98488963488a3a64220dd06361d0286c15cdb4 (diff) | |
| download | FreeBSD-src-96555d383362c30d444593333d60a4588416db62.zip FreeBSD-src-96555d383362c30d444593333d60a4588416db62.tar.gz | |
sys/dev: extend use of the howmany() macro when available.
We have a howmany() macro in the <sys/param.h> header that is
convenient to re-use as it makes things easier to read.
Diffstat (limited to 'sys/dev/usb/controller/xhci.c')
| -rw-r--r-- | sys/dev/usb/controller/xhci.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c index 0739e28..6c58e6d 100644 --- a/sys/dev/usb/controller/xhci.c +++ b/sys/dev/usb/controller/xhci.c @@ -1830,8 +1830,8 @@ restart: } /* set up npkt */ - npkt = (len_old - npkt_off + temp->max_packet_size - 1) / - temp->max_packet_size; + npkt = howmany(len_old - npkt_off, + temp->max_packet_size); if (npkt == 0) npkt = 1; @@ -2185,10 +2185,9 @@ xhci_setup_generic_chain(struct usb_xfer *xfer) temp.len = xfer->max_frame_size; /* compute TD packet count */ - tdpc = (temp.len + xfer->max_packet_size - 1) / - xfer->max_packet_size; + tdpc = howmany(temp.len, xfer->max_packet_size); - temp.tbc = ((tdpc + mult - 1) / mult) - 1; + temp.tbc = howmany(tdpc, mult) - 1; temp.tlbpc = (tdpc % mult); if (temp.tlbpc == 0) |
