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usb: host: ehci: remove unnecessary max_packet() macro 

Now that usb_endpoint_maxp() only returns the lowest
11 bits from wMaxPacketSize, we can remove this macro
from the driver.

Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2016-09-30 11:24:59 +03:00
parent 5f9492ff1d
commit 8437ab99a6
2 changed files with 9 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/usb/host/ehci-q.c
View File

@ -550,9 +550,6 @@ qh_completions (struct ehci_hcd *ehci, struct ehci_qh *qh)
/*-------------------------------------------------------------------------*/
// ... and packet size, for any kind of endpoint descriptor
#define max_packet(wMaxPacketSize) ((wMaxPacketSize) & 0x07ff)
/*
* reverse of qh_urb_transaction: free a list of TDs.
* used for cleanup after errors, before HC sees an URB's TDs.
@ -649,7 +646,7 @@ qh_urb_transaction (
token |= (1 /* "in" */ << 8);
/* else it's already initted to "out" pid (0 << 8) */
maxpacket = max_packet(usb_maxpacket(urb->dev, urb->pipe, !is_input));
maxpacket = usb_maxpacket(urb->dev, urb->pipe, !is_input);
/*
* buffer gets wrapped in one or more qtds;
@ -788,14 +785,14 @@ qh_make (
is_input = usb_pipein (urb->pipe);
type = usb_pipetype (urb->pipe);
ep = usb_pipe_endpoint (urb->dev, urb->pipe);
maxp = usb_maxpacket (urb->dev, urb->pipe, !is_input);
maxp = usb_endpoint_maxp (&ep->desc);
mult = usb_endpoint_maxp_mult (&ep->desc);
/* 1024 byte maxpacket is a hardware ceiling. High bandwidth
* acts like up to 3KB, but is built from smaller packets.
*/
if (max_packet(maxp) > 1024) {
ehci_dbg(ehci, "bogus qh maxpacket %d\n", max_packet(maxp));
if (maxp > 1024) {
ehci_dbg(ehci, "bogus qh maxpacket %d\n", maxp);
goto done;
}
@ -811,8 +808,7 @@ qh_make (
unsigned tmp;
qh->ps.usecs = NS_TO_US(usb_calc_bus_time(USB_SPEED_HIGH,
is_input, 0,
mult * max_packet(maxp)));
is_input, 0, mult * maxp));
qh->ps.phase = NO_FRAME;
if (urb->dev->speed == USB_SPEED_HIGH) {
@ -856,7 +852,7 @@ qh_make (
think_time = tt ? tt->think_time : 0;
qh->ps.tt_usecs = NS_TO_US(think_time +
usb_calc_bus_time (urb->dev->speed,
is_input, 0, max_packet (maxp)));
is_input, 0, maxp));
if (urb->interval > ehci->periodic_size)
urb->interval = ehci->periodic_size;
qh->ps.period = urb->interval;
@ -927,10 +923,10 @@ qh_make (
* to help them do so. So now people expect to use
* such nonconformant devices with Linux too; sigh.
*/
info1 |= max_packet(maxp) << 16;
info1 |= maxp << 16;
info2 |= (EHCI_TUNE_MULT_HS << 30);
} else { /* PIPE_INTERRUPT */
info1 |= max_packet (maxp) << 16;
info1 |= maxp << 16;
info2 |= mult << 30;
}
break;
@ -1223,7 +1219,7 @@ static int submit_single_step_set_feature(
token |= (1 /* "in" */ << 8); /*This is IN stage*/
maxpacket = max_packet(usb_maxpacket(urb->dev, urb->pipe, 0));
maxpacket = usb_maxpacket(urb->dev, urb->pipe, 0);
qtd_fill(ehci, qtd, buf, len, token, maxpacket);

1
drivers/usb/host/ehci-sched.c
View File

@ -1068,7 +1068,6 @@ iso_stream_init(
stream->highspeed = 1;
maxp = max_packet(maxp);
buf1 |= maxp;
maxp *= multi;