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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2011-08-23 14:12:03 +0400
committerGreg Kroah-Hartman <gregkh@suse.de>2011-08-23 20:47:40 +0400
commit29cc88979a8818cd8c5019426e945aed118b400e (patch)
tree849401ad869d09ce45dd7a3fadd7eb71b1e9fcbd /drivers/usb/host/xhci-ring.c
parent46a57283e86c68351377ac3349f1465aee938fbd (diff)
downloadlinux-29cc88979a8818cd8c5019426e945aed118b400e.tar.xz
USB: use usb_endpoint_maxp() instead of le16_to_cpu()
Now ${LINUX}/drivers/usb/* can use usb_endpoint_maxp(desc) to get maximum packet size instead of le16_to_cpu(desc->wMaxPacketSize). This patch fix it up Cc: Armin Fuerst <fuerst@in.tum.de> Cc: Pavel Machek <pavel@ucw.cz> Cc: Johannes Erdfelt <johannes@erdfelt.com> Cc: Vojtech Pavlik <vojtech@suse.cz> Cc: Oliver Neukum <oliver@neukum.name> Cc: David Kubicek <dave@awk.cz> Cc: Johan Hovold <jhovold@gmail.com> Cc: Brad Hards <bhards@bigpond.net.au> Acked-by: Felipe Balbi <balbi@ti.com> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Thomas Dahlmann <dahlmann.thomas@arcor.de> Cc: David Brownell <david-b@pacbell.net> Cc: David Lopo <dlopo@chipidea.mips.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Michal Nazarewicz <m.nazarewicz@samsung.com> Cc: Xie Xiaobo <X.Xie@freescale.com> Cc: Li Yang <leoli@freescale.com> Cc: Jiang Bo <tanya.jiang@freescale.com> Cc: Yuan-hsin Chen <yhchen@faraday-tech.com> Cc: Darius Augulis <augulis.darius@gmail.com> Cc: Xiaochen Shen <xiaochen.shen@intel.com> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Cc: OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Cc: Ben Dooks <ben@simtec.co.uk> Cc: Thomas Abraham <thomas.ab@samsung.com> Cc: Herbert Pƶtzl <herbert@13thfloor.at> Cc: Arnaud Patard <arnaud.patard@rtp-net.org> Cc: Roman Weissgaerber <weissg@vienna.at> Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: Tony Olech <tony.olech@elandigitalsystems.com> Cc: Florian Floe Echtler <echtler@fs.tum.de> Cc: Christian Lucht <lucht@codemercs.com> Cc: Juergen Stuber <starblue@sourceforge.net> Cc: Georges Toth <g.toth@e-biz.lu> Cc: Bill Ryder <bryder@sgi.com> Cc: Kuba Ober <kuba@mareimbrium.org> Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 7113d16e2d3a..bf0b52c6c960 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2676,7 +2676,7 @@ static u32 xhci_v1_0_td_remainder(int running_total, int trb_buff_len,
* running_total.
*/
packets_transferred = (running_total + trb_buff_len) /
- le16_to_cpu(urb->ep->desc.wMaxPacketSize);
+ usb_endpoint_maxp(&urb->ep->desc);
return xhci_td_remainder(total_packet_count - packets_transferred);
}
@@ -2706,7 +2706,7 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
num_trbs = count_sg_trbs_needed(xhci, urb);
num_sgs = urb->num_sgs;
total_packet_count = roundup(urb->transfer_buffer_length,
- le16_to_cpu(urb->ep->desc.wMaxPacketSize));
+ usb_endpoint_maxp(&urb->ep->desc));
trb_buff_len = prepare_transfer(xhci, xhci->devs[slot_id],
ep_index, urb->stream_id,
@@ -2913,7 +2913,7 @@ int xhci_queue_bulk_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
running_total = 0;
total_packet_count = roundup(urb->transfer_buffer_length,
- le16_to_cpu(urb->ep->desc.wMaxPacketSize));
+ usb_endpoint_maxp(&urb->ep->desc));
/* How much data is in the first TRB? */
addr = (u64) urb->transfer_dma;
trb_buff_len = TRB_MAX_BUFF_SIZE -
@@ -3239,7 +3239,7 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags,
td_remain_len = td_len;
/* FIXME: Ignoring zero-length packets, can those happen? */
total_packet_count = roundup(td_len,
- le16_to_cpu(urb->ep->desc.wMaxPacketSize));
+ usb_endpoint_maxp(&urb->ep->desc));
burst_count = xhci_get_burst_count(xhci, urb->dev, urb,
total_packet_count);
residue = xhci_get_last_burst_packet_count(xhci,