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USB: EHCI: rename "reclaim"

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This patch (as1569) renames the ehci->reclaim list in ehci-hcd.  The
word "reclaim" is used in the EHCI specification to mean something
quite different, and "unlink_next" is more descriptive of the list's
purpose anyway.

Similarly, the "reclaim" field in the ehci_stats structure is renamed
"iaa", which is more meaningful (to experts, anyway) and is a better
match for the "lost_iaa" field.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Stern
2012-07-11 11:21:38 -04:00
committed by Greg Kroah-Hartman
parent 4c53de7210
commit 99ac5b1e95
5 changed files with 38 additions and 37 deletions
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10
drivers/usb/host/ehci.h
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@@ -42,7 +42,7 @@ struct ehci_stats {
/* irq usage */
unsigned long normal;
unsigned long error;
unsigned long reclaim;
unsigned long iaa;
unsigned long lost_iaa;
/* termination of urbs from core */
@@ -51,7 +51,7 @@ struct ehci_stats {
};
/* ehci_hcd->lock guards shared data against other CPUs:
* ehci_hcd: async, reclaim, periodic (and shadow), ...
* ehci_hcd: async, unlink, periodic (and shadow), ...
* usb_host_endpoint: hcpriv
* ehci_qh: qh_next, qtd_list
* ehci_qtd: qtd_list
@@ -81,7 +81,7 @@ struct ehci_hcd { /* one per controller */
/* async schedule support */
struct ehci_qh *async;
struct ehci_qh *dummy; /* For AMD quirk use */
struct ehci_qh *reclaim;
struct ehci_qh *async_unlink;
struct ehci_qh *qh_scan_next;
unsigned scanning : 1;
@@ -354,7 +354,7 @@ struct ehci_qh {
union ehci_shadow qh_next; /* ptr to qh; or periodic */
struct list_head qtd_list; /* sw qtd list */
struct ehci_qtd *dummy;
struct ehci_qh *reclaim; /* next to reclaim */
struct ehci_qh *unlink_next; /* next on unlink list */
unsigned long unlink_time;
unsigned stamp;
@@ -364,7 +364,7 @@ struct ehci_qh {
#define QH_STATE_LINKED 1 /* HC sees this */
#define QH_STATE_UNLINK 2 /* HC may still see this */
#define QH_STATE_IDLE 3 /* HC doesn't see this */
#define QH_STATE_UNLINK_WAIT 4 /* LINKED and on reclaim q */
#define QH_STATE_UNLINK_WAIT 4 /* LINKED and on unlink q */
#define QH_STATE_COMPLETING 5 /* don't touch token.HALT */
u8 xacterrs; /* XactErr retry counter */