patches.renesas/0273-usb-host-xhci-purge-GET_MAX_PACKET.patch

From f858de149c1845ca7c0b81e9172febfa6b09e81a Mon Sep 17 00:00:00 2001
From: Felipe Balbi <felipe.balbi@linux.intel.com>
Date: Wed, 28 Sep 2016 13:46:37 +0300
Subject: [PATCH 273/299] usb: host: xhci: purge GET_MAX_PACKET()

usb_endpoint_maxp() is now returning maxpacket
correctly - iow only bits 10:0. We can finaly remove
XHCI's private GET_MAX_PACKET macro.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
(cherry picked from commit 734d3ddd81902d839e5bba50601b011f6ae40d05)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 drivers/usb/host/xhci-mem.c     |    4 ++--
 drivers/usb/host/xhci-mtk-sch.c |    4 ++--
 drivers/usb/host/xhci-ring.c    |    6 +++---
 drivers/usb/host/xhci.c         |    2 +-
 drivers/usb/host/xhci.h         |    5 -----
 5 files changed, 8 insertions(+), 13 deletions(-)

--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1466,7 +1466,7 @@ static u32 xhci_get_max_esit_payload(str
 	else if (udev->speed >= USB_SPEED_SUPER)
 		return le16_to_cpu(ep->ss_ep_comp.wBytesPerInterval);
 
-	max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
+	max_packet = usb_endpoint_maxp(&ep->desc);
 	max_burst = usb_endpoint_maxp_mult(&ep->desc);
 	/* A 0 in max burst means 1 transfer per ESIT */
 	return max_packet * max_burst;
@@ -1523,7 +1523,7 @@ int xhci_endpoint_init(struct xhci_hcd *
 	}
 
 	mult = xhci_get_endpoint_mult(udev, ep);
-	max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
+	max_packet = usb_endpoint_maxp(&ep->desc);
 	max_burst = xhci_get_endpoint_max_burst(udev, ep);
 	avg_trb_len = max_esit_payload;
 
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -337,7 +337,7 @@ int xhci_mtk_add_ep_quirk(struct usb_hcd
 
 	xhci_dbg(xhci, "%s() type:%d, speed:%d, mpkt:%d, dir:%d, ep:%p\n",
 		__func__, usb_endpoint_type(&ep->desc), udev->speed,
-		GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)),
+		usb_endpoint_maxp(&ep->desc),
 		usb_endpoint_dir_in(&ep->desc), ep);
 
 	if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) {
@@ -403,7 +403,7 @@ void xhci_mtk_drop_ep_quirk(struct usb_h
 
 	xhci_dbg(xhci, "%s() type:%d, speed:%d, mpks:%d, dir:%d, ep:%p\n",
 		__func__, usb_endpoint_type(&ep->desc), udev->speed,
-		GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)),
+		usb_endpoint_maxp(&ep->desc),
 		usb_endpoint_dir_in(&ep->desc), ep);
 
 	if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT))
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3145,7 +3145,7 @@ static u32 xhci_td_remainder(struct xhci
 	if ((xhci->quirks & XHCI_MTK_HOST) && (xhci->hci_version < 0x100))
 		trb_buff_len = 0;
 
-	maxp = GET_MAX_PACKET(usb_endpoint_maxp(&urb->ep->desc));
+	maxp = usb_endpoint_maxp(&urb->ep->desc);
 	total_packet_count = DIV_ROUND_UP(td_total_len, maxp);
 
 	/* Queueing functions don't count the current TRB into transferred */
@@ -3161,7 +3161,7 @@ static int xhci_align_td(struct xhci_hcd
 	unsigned int max_pkt;
 	u32 new_buff_len;
 
-	max_pkt = GET_MAX_PACKET(usb_endpoint_maxp(&urb->ep->desc));
+	max_pkt = usb_endpoint_maxp(&urb->ep->desc);
 	unalign = (enqd_len + *trb_buff_len) % max_pkt;
 
 	/* we got lucky, last normal TRB data on segment is packet aligned */
@@ -3675,7 +3675,7 @@ static int xhci_queue_isoc_tx(struct xhc
 		addr = start_addr + urb->iso_frame_desc[i].offset;
 		td_len = urb->iso_frame_desc[i].length;
 		td_remain_len = td_len;
-		max_pkt = GET_MAX_PACKET(usb_endpoint_maxp(&urb->ep->desc));
+		max_pkt = usb_endpoint_maxp(&urb->ep->desc);
 		total_pkt_count = DIV_ROUND_UP(td_len, max_pkt);
 
 		/* A zero-length transfer still involves at least one packet. */
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3241,7 +3241,7 @@ int xhci_alloc_streams(struct usb_hcd *h
 
 	for (i = 0; i < num_eps; i++) {
 		ep_index = xhci_get_endpoint_index(&eps[i]->desc);
-		max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&eps[i]->desc));
+		max_packet = usb_endpoint_maxp(&eps[i]->desc);
 		vdev->eps[ep_index].stream_info = xhci_alloc_stream_info(xhci,
 				num_stream_ctxs,
 				num_streams,
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -751,11 +751,6 @@ struct xhci_ep_ctx {
 #define MAX_PACKET_MASK		(0xffff << 16)
 #define MAX_PACKET_DECODED(p)	(((p) >> 16) & 0xffff)
 
-/* Get max packet size from ep desc. Bit 10..0 specify the max packet size.
- * USB2.0 spec 9.6.6.
- */
-#define GET_MAX_PACKET(p)	((p) & 0x7ff)
-
 /* tx_info bitmasks */
 #define EP_AVG_TRB_LENGTH(p)		((p) & 0xffff)
 #define EP_MAX_ESIT_PAYLOAD_LO(p)	(((p) & 0xffff) << 16)