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| author | mav <mav@FreeBSD.org> | 2014-01-05 22:48:12 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2014-01-05 22:48:12 +0000 |
| commit | d0f66a4aefab53ce664db662e32eb481dabf057c (patch) | |
| tree | 38bc46765b6ace3b1cff3d37572299bdef1a6b77 /sys/dev/usb/controller/ehci_pci.c | |
| parent | 67d4b65ac1864205e3ad00f521567a31bc3d74b5 (diff) | |
| download | FreeBSD-src-d0f66a4aefab53ce664db662e32eb481dabf057c.zip FreeBSD-src-d0f66a4aefab53ce664db662e32eb481dabf057c.tar.gz | |
MFC r257932:
Use relaxed (write-only) memory barriers when writing some of queue index
registers (for now on ISP2400+). We never read those registers back and
AFAIK their semantics does not require any immediate reaction on write.
Diffstat (limited to 'sys/dev/usb/controller/ehci_pci.c')
0 files changed, 0 insertions, 0 deletions
