[PATCH] USB: UHCI: edit some comments

This patch (as615b) edits a large number of comments in the uhci-hcd code,
mainly removing excess apostrophes.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/usb/host/uhci-debug.c

@@ -2,8 +2,8 @@
  * UHCI-specific debugging code. Invaluable when something
  * goes wrong, but don't get in my face.
  *
- * Kernel visible pointers are surrounded in []'s and bus
- * visible pointers are surrounded in ()'s
+ * Kernel visible pointers are surrounded in []s and bus
+ * visible pointers are surrounded in ()s
  *
  * (C) Copyright 1999 Linus Torvalds
  * (C) Copyright 1999-2001 Johannes Erdfelt
@@ -19,7 +19,7 @@
 
 static struct dentry *uhci_debugfs_root = NULL;
 
-/* Handle REALLY large printk's so we don't overflow buffers */
+/* Handle REALLY large printks so we don't overflow buffers */
 static inline void lprintk(char *buf)
 {
 	char *p;
@@ -160,7 +160,7 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space)
 			}
 
 			if (active && ni > i) {
-				out += sprintf(out, "%*s[skipped %d active TD's]\n", space, "", ni - i);
+				out += sprintf(out, "%*s[skipped %d active TDs]\n", space, "", ni - i);
 				tmp = ntmp;
 				td = ntd;
 				i = ni;
@@ -173,7 +173,7 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space)
 	if (list_empty(&urbp->queue_list) || urbp->queued)
 		goto out;
 
-	out += sprintf(out, "%*sQueued QH's:\n", -space, "--");
+	out += sprintf(out, "%*sQueued QHs:\n", -space, "--");
 
 	head = &urbp->queue_list;
 	tmp = head->next;
@@ -464,7 +464,7 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len)
 		} while (tmp != head);
 	}
 
-	out += sprintf(out, "Skeleton QH's\n");
+	out += sprintf(out, "Skeleton QHs\n");
 
 	for (i = 0; i < UHCI_NUM_SKELQH; ++i) {
 		int shown = 0;

drivers/usb/host/uhci-hcd.c

@@ -62,10 +62,10 @@ Alan Stern"
 
 /*
  * debug = 0, no debugging messages
- * debug = 1, dump failed URB's except for stalls
- * debug = 2, dump all failed URB's (including stalls)
+ * debug = 1, dump failed URBs except for stalls
+ * debug = 2, dump all failed URBs (including stalls)
  *            show all queues in /debug/uhci/[pci_addr]
- * debug = 3, show all TD's in URB's when dumping
+ * debug = 3, show all TDs in URBs when dumping
  */
 #ifdef DEBUG
 static int debug = 1;
@@ -88,7 +88,7 @@ static void uhci_get_current_frame_number(struct uhci_hcd *uhci);
 #define FSBR_DELAY	msecs_to_jiffies(50)
 
 /* When we timeout an idle transfer for FSBR, we'll switch it over to */
-/* depth first traversal. We'll do it in groups of this number of TD's */
+/* depth first traversal. We'll do it in groups of this number of TDs */
 /* to make sure it doesn't hog all of the bandwidth */
 #define DEPTH_INTERVAL 5
 
@@ -728,8 +728,9 @@ static int uhci_resume(struct usb_hcd *hcd)
 
 	dev_dbg(uhci_dev(uhci), "%s\n", __FUNCTION__);
 
-	/* We aren't in D3 state anymore, we do that even if dead as I
-	 * really don't want to keep a stale HCD_FLAG_HW_ACCESSIBLE=0
+	/* Since we aren't in D3 any more, it's safe to set this flag
+	 * even if the controller was dead.  It might not even be dead
+	 * any more, if the firmware or quirks code has reset it.
 	 */
 	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
 	mb();
@@ -879,7 +880,7 @@ static int __init uhci_hcd_init(void)
 
 init_failed:
 	if (kmem_cache_destroy(uhci_up_cachep))
-		warn("not all urb_priv's were freed!");
+		warn("not all urb_privs were freed!");
 
 up_failed:
 	debugfs_remove(uhci_debugfs_root);
@@ -897,7 +898,7 @@ static void __exit uhci_hcd_cleanup(void)
 	pci_unregister_driver(&uhci_pci_driver);
 
 	if (kmem_cache_destroy(uhci_up_cachep))
-		warn("not all urb_priv's were freed!");
+		warn("not all urb_privs were freed!");
 
 	debugfs_remove(uhci_debugfs_root);
 	kfree(errbuf);

drivers/usb/host/uhci-hcd.h

@@ -223,10 +223,10 @@ static u32 inline td_status(struct uhci_td *td) {
  */
 
 /*
- * The UHCI driver places Interrupt, Control and Bulk into QH's both
- * to group together TD's for one transfer, and also to faciliate queuing
- * of URB's. To make it easy to insert entries into the schedule, we have
- * a skeleton of QH's for each predefined Interrupt latency, low-speed
+ * The UHCI driver places Interrupt, Control and Bulk into QHs both
+ * to group together TDs for one transfer, and also to facilitate queuing
+ * of URBs. To make it easy to insert entries into the schedule, we have
+ * a skeleton of QHs for each predefined Interrupt latency, low-speed
  * control, full-speed control and terminating QH (see explanation for
  * the terminating QH below).
  *
@@ -257,8 +257,8 @@ static u32 inline td_status(struct uhci_td *td) {
  *   reclamation.
  *
  * Isochronous transfers are stored before the start of the skeleton
- * schedule and don't use QH's. While the UHCI spec doesn't forbid the
- * use of QH's for Isochronous, it doesn't use them either. And the spec
+ * schedule and don't use QHs. While the UHCI spec doesn't forbid the
+ * use of QHs for Isochronous, it doesn't use them either. And the spec
  * says that queues never advance on an error completion status, which
  * makes them totally unsuitable for Isochronous transfers.
  */
@@ -359,7 +359,7 @@ struct uhci_hcd {
 	struct dma_pool *td_pool;
 
 	struct uhci_td *term_td;	/* Terminating TD, see UHCI bug */
-	struct uhci_qh *skelqh[UHCI_NUM_SKELQH];	/* Skeleton QH's */
+	struct uhci_qh *skelqh[UHCI_NUM_SKELQH];	/* Skeleton QHs */
 
 	spinlock_t lock;
 
@@ -389,22 +389,22 @@ struct uhci_hcd {
 	unsigned long resuming_ports;
 	unsigned long ports_timeout;		/* Time to stop signalling */
 
-	/* Main list of URB's currently controlled by this HC */
+	/* Main list of URBs currently controlled by this HC */
 	struct list_head urb_list;
 
-	/* List of QH's that are done, but waiting to be unlinked (race) */
+	/* List of QHs that are done, but waiting to be unlinked (race) */
 	struct list_head qh_remove_list;
 	unsigned int qh_remove_age;		/* Age in frames */
 
-	/* List of TD's that are done, but waiting to be freed (race) */
+	/* List of TDs that are done, but waiting to be freed (race) */
 	struct list_head td_remove_list;
 	unsigned int td_remove_age;		/* Age in frames */
 
-	/* List of asynchronously unlinked URB's */
+	/* List of asynchronously unlinked URBs */
 	struct list_head urb_remove_list;
 	unsigned int urb_remove_age;		/* Age in frames */
 
-	/* List of URB's awaiting completion callback */
+	/* List of URBs awaiting completion callback */
 	struct list_head complete_list;
 
 	int rh_numports;			/* Number of root-hub ports */

drivers/usb/host/uhci-q.c

@@ -80,7 +80,7 @@ static inline void uhci_fill_td(struct uhci_td *td, u32 status,
 }
 
 /*
- * We insert Isochronous URB's directly into the frame list at the beginning
+ * We insert Isochronous URBs directly into the frame list at the beginning
  */
 static void uhci_insert_td_frame_list(struct uhci_hcd *uhci, struct uhci_td *td, unsigned framenum)
 {
@@ -369,7 +369,7 @@ static void uhci_append_queued_urb(struct uhci_hcd *uhci, struct urb *eurb, stru
 				uhci_fixup_toggle(urb,
 					uhci_toggle(td_token(lltd)) ^ 1));
 
-	/* All qh's in the queue need to link to the next queue */
+	/* All qhs in the queue need to link to the next queue */
 	urbp->qh->link = eurbp->qh->link;
 
 	wmb();			/* Make sure we flush everything */
@@ -502,7 +502,7 @@ static void uhci_destroy_urb_priv(struct uhci_hcd *uhci, struct urb *urb)
 	}
 
 	/* Check to see if the remove list is empty. Set the IOC bit */
-	/* to force an interrupt so we can remove the TD's*/
+	/* to force an interrupt so we can remove the TDs*/
 	if (list_empty(&uhci->td_remove_list))
 		uhci_set_next_interrupt(uhci);
 
@@ -612,7 +612,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, struct ur
 	}
 
 	/*
-	 * Build the DATA TD's
+	 * Build the DATA TDs
 	 */
 	while (len > 0) {
 		int pktsze = len;
@@ -744,7 +744,7 @@ static int uhci_result_control(struct uhci_hcd *uhci, struct urb *urb)
 
 	urb->actual_length = 0;
 
-	/* The rest of the TD's (but the last) are data */
+	/* The rest of the TDs (but the last) are data */
 	tmp = tmp->next;
 	while (tmp != head && tmp->next != head) {
 		unsigned int ctrlstat;
@@ -848,7 +848,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, struct urb
 		status |= TD_CTRL_SPD;
 
 	/*
-	 * Build the DATA TD's
+	 * Build the DATA TDs
 	 */
 	do {	/* Allow zero length packets */
 		int pktsze = maxsze;
@@ -1025,7 +1025,7 @@ static int isochronous_find_limits(struct uhci_hcd *uhci, struct urb *urb, unsig
 	list_for_each_entry(up, &uhci->urb_list, urb_list) {
 		struct urb *u = up->urb;
 
-		/* look for pending URB's with identical pipe handle */
+		/* look for pending URBs with identical pipe handle */
 		if ((urb->pipe == u->pipe) && (urb->dev == u->dev) &&
 		    (u->status == -EINPROGRESS) && (u != urb)) {
 			if (!last_urb)
@@ -1355,7 +1355,7 @@ static void uhci_unlink_generic(struct uhci_hcd *uhci, struct urb *urb)
 
 	uhci_delete_queued_urb(uhci, urb);
 
-	/* The interrupt loop will reclaim the QH's */
+	/* The interrupt loop will reclaim the QHs */
 	uhci_remove_qh(uhci, urbp->qh);
 	urbp->qh = NULL;
 }
@@ -1413,7 +1413,7 @@ static int uhci_fsbr_timeout(struct uhci_hcd *uhci, struct urb *urb)
 	list_for_each_entry(td, head, list) {
 		/*
 		 * Make sure we don't do the last one (since it'll have the
-		 * TERM bit set) as well as we skip every so many TD's to
+		 * TERM bit set) as well as we skip every so many TDs to
 		 * make sure it doesn't hog the bandwidth
 		 */
 		if (td->list.next != head && (count % DEPTH_INTERVAL) ==