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usb: musb: make use of new usb_endpoint_maxp_mult()

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We have introduced a helper to calculate multiplier
value from wMaxPacketSize. Start using it.

Cc: Bin Liu <b-liu@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2016-09-28 13:40:40 +03:00
parent 131e19b9e3
commit 6ddcabc2aa
2 changed files with 5 additions and 5 deletions
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8
drivers/usb/musb/musb_gadget.c
View File

@ -974,8 +974,8 @@ static int musb_gadget_enable(struct usb_ep *ep,
goto fail;
/* REVISIT this rules out high bandwidth periodic transfers */
tmp = usb_endpoint_maxp(desc);
if (tmp & ~0x07ff) {
tmp = usb_endpoint_maxp_mult(desc) - 1;
if (tmp) {
int ok;
if (usb_endpoint_dir_in(desc))
@ -987,12 +987,12 @@ static int musb_gadget_enable(struct usb_ep *ep,
musb_dbg(musb, "no support for high bandwidth ISO");
goto fail;
}
musb_ep->hb_mult = (tmp >> 11) & 3;
musb_ep->hb_mult = tmp;
} else {
musb_ep->hb_mult = 0;
}
musb_ep->packet_sz = tmp & 0x7ff;
musb_ep->packet_sz = usb_endpoint_maxp(desc);
tmp = musb_ep->packet_sz * (musb_ep->hb_mult + 1);
/* enable the interrupts for the endpoint, set the endpoint

2
drivers/usb/musb/musb_host.c
View File

@ -2237,7 +2237,7 @@ static int musb_urb_enqueue(
* Some musb cores don't support high bandwidth ISO transfers; and
* we don't (yet!) support high bandwidth interrupt transfers.
*/
qh->hb_mult = 1 + ((qh->maxpacket >> 11) & 0x03);
qh->hb_mult = usb_endpoint_maxp_mult(epd);
if (qh->hb_mult > 1) {
int ok = (qh->type == USB_ENDPOINT_XFER_ISOC);