[RFC/PATCH 27/45] 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@xxxxxx>
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
---
 drivers/usb/musb/musb_gadget.c | 6 +++---
 drivers/usb/musb/musb_host.c   | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index bff4869a57cd..8a0882cc446d 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -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))
@@ -987,7 +987,7 @@ 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;
 	}
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 53bc4ceefe89..f6cdbad00dac 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -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);
 
-- 
2.10.0.440.g21f862b

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