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authorAlan Stern <stern@rowland.harvard.edu>2012-07-11 11:21:32 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-07-16 16:50:13 -0700
commit4c53de72109759c931744734ca75f9cecb3baef1 (patch)
tree0f464052baf26967994146bf3b3716b3dd6e6d35 /drivers/usb/host/ehci-q.c
parentc83e1a9ff68a6535b81c40dc8fda99348ab480fb (diff)
downloadlinux-stericsson-4c53de72109759c931744734ca75f9cecb3baef1.tar.gz
USB: EHCI: add symbolic constants for QHs
This patch (as1568) introduces symbolic constants for some of the less-frequently used bitfields in the QH structure. This makes the code a little easier to read and understand. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-q.c')
-rw-r--r--drivers/usb/host/ehci-q.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 7d117bbffac1..156504787711 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -100,7 +100,7 @@ qh_update (struct ehci_hcd *ehci, struct ehci_qh *qh, struct ehci_qtd *qtd)
* and set the pseudo-toggle in udev. Only usb_clear_halt() will
* ever clear it.
*/
- if (!(hw->hw_info1 & cpu_to_hc32(ehci, 1 << 14))) {
+ if (!(hw->hw_info1 & cpu_to_hc32(ehci, QH_TOGGLE_CTL))) {
unsigned is_out, epnum;
is_out = qh->is_out;
@@ -886,7 +886,7 @@ qh_make (
/* using TT? */
switch (urb->dev->speed) {
case USB_SPEED_LOW:
- info1 |= (1 << 12); /* EPS "low" */
+ info1 |= QH_LOW_SPEED;
/* FALL THROUGH */
case USB_SPEED_FULL:
@@ -894,8 +894,8 @@ qh_make (
if (type != PIPE_INTERRUPT)
info1 |= (EHCI_TUNE_RL_TT << 28);
if (type == PIPE_CONTROL) {
- info1 |= (1 << 27); /* for TT */
- info1 |= 1 << 14; /* toggle from qtd */
+ info1 |= QH_CONTROL_EP; /* for TT */
+ info1 |= QH_TOGGLE_CTL; /* toggle from qtd */
}
info1 |= maxp << 16;
@@ -920,11 +920,11 @@ qh_make (
break;
case USB_SPEED_HIGH: /* no TT involved */
- info1 |= (2 << 12); /* EPS "high" */
+ info1 |= QH_HIGH_SPEED;
if (type == PIPE_CONTROL) {
info1 |= (EHCI_TUNE_RL_HS << 28);
info1 |= 64 << 16; /* usb2 fixed maxpacket */
- info1 |= 1 << 14; /* toggle from qtd */
+ info1 |= QH_TOGGLE_CTL; /* toggle from qtd */
info2 |= (EHCI_TUNE_MULT_HS << 30);
} else if (type == PIPE_BULK) {
info1 |= (EHCI_TUNE_RL_HS << 28);