staging: octeon-usb: delete redudant prefetches (a4570140) · Commits · 戴 / test

cvmx_usb_pipe fits into a cache-line so additional prefetches are not really helping anything. Signed-off-by:

drivers/staging/octeon-usb/octeon-hcd.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -2008,7 +2008,6 @@ static struct cvmx_usb_pipe *__cvmx_usb_find_ready_pipe(
		((((int)current_frame - (int)pipe->split_sc_frame)
		& 0x7f) < 0x40)) &&
		(!usb->active_split \|\| (usb->active_split == t))) {
		CVMX_PREFETCH(pipe, 128);
		CVMX_PREFETCH(t, 0);
		return pipe;
		}
		@@ -2660,7 +2659,6 @@ static int __cvmx_usb_poll_channel(struct cvmx_usb_state *usb, int channel)
		/* Make sure this channel is tied to a valid pipe */
		pipe = usb->pipe_for_channel[channel];
		CVMX_PREFETCH(pipe, 0);
		CVMX_PREFETCH(pipe, 128);
		if (!pipe)
		return 0;
		transaction = list_first_entry(&pipe->transactions,