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| author | Oliver Neukum <oneukum@suse.com> | 2022-02-17 14:35:49 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-24 11:19:21 +0100 |
| commit | f9aeda81c0e8cfd6c5b21401f6206b2c7584f876 (patch) | |
| tree | 487567acb97092767e0d8bbf7f4f7f4a41de750d /drivers/usb/host/xhci-mem.c | |
| parent | usb: host: ehci-q: make qtd_fill() return *unsigned int* (diff) | |
| download | linux-f9aeda81c0e8cfd6c5b21401f6206b2c7584f876.tar.xz linux-f9aeda81c0e8cfd6c5b21401f6206b2c7584f876.zip | |
xhci: omit mem read just after allocation of trb
This has been allocated just a few lines earlier with a
zalloc(). The value is known and "|=" is a waste of memory
cycles.
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20220217133549.27961-1-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-mem.c')
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index f8c2b6c79543..cb70d0b31e08 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -57,7 +57,7 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, /* If the cycle state is 0, set the cycle bit to 1 for all the TRBs */ if (cycle_state == 0) { for (i = 0; i < TRBS_PER_SEGMENT; i++) - seg->trbs[i].link.control |= cpu_to_le32(TRB_CYCLE); + seg->trbs[i].link.control = cpu_to_le32(TRB_CYCLE); } seg->dma = dma; seg->next = NULL; |