mirror of https://gitee.com/openkylin/linux.git
[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>
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687f5f3428
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@ -2,8 +2,8 @@
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* UHCI-specific debugging code. Invaluable when something
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* goes wrong, but don't get in my face.
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*
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* Kernel visible pointers are surrounded in []'s and bus
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* visible pointers are surrounded in ()'s
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* Kernel visible pointers are surrounded in []s and bus
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* visible pointers are surrounded in ()s
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*
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* (C) Copyright 1999 Linus Torvalds
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* (C) Copyright 1999-2001 Johannes Erdfelt
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@ -19,7 +19,7 @@
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static struct dentry *uhci_debugfs_root = NULL;
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/* Handle REALLY large printk's so we don't overflow buffers */
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/* Handle REALLY large printks so we don't overflow buffers */
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static inline void lprintk(char *buf)
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{
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char *p;
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@ -160,7 +160,7 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space)
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}
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if (active && ni > i) {
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out += sprintf(out, "%*s[skipped %d active TD's]\n", space, "", ni - i);
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out += sprintf(out, "%*s[skipped %d active TDs]\n", space, "", ni - i);
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tmp = ntmp;
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td = ntd;
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i = ni;
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@ -173,7 +173,7 @@ static int uhci_show_qh(struct uhci_qh *qh, char *buf, int len, int space)
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if (list_empty(&urbp->queue_list) || urbp->queued)
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goto out;
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out += sprintf(out, "%*sQueued QH's:\n", -space, "--");
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out += sprintf(out, "%*sQueued QHs:\n", -space, "--");
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head = &urbp->queue_list;
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tmp = head->next;
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@ -464,7 +464,7 @@ static int uhci_sprint_schedule(struct uhci_hcd *uhci, char *buf, int len)
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} while (tmp != head);
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}
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out += sprintf(out, "Skeleton QH's\n");
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out += sprintf(out, "Skeleton QHs\n");
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for (i = 0; i < UHCI_NUM_SKELQH; ++i) {
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int shown = 0;
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@ -62,10 +62,10 @@ Alan Stern"
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/*
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* debug = 0, no debugging messages
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* debug = 1, dump failed URB's except for stalls
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* debug = 2, dump all failed URB's (including stalls)
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* debug = 1, dump failed URBs except for stalls
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* debug = 2, dump all failed URBs (including stalls)
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* show all queues in /debug/uhci/[pci_addr]
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* debug = 3, show all TD's in URB's when dumping
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* debug = 3, show all TDs in URBs when dumping
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*/
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#ifdef DEBUG
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static int debug = 1;
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@ -88,7 +88,7 @@ static void uhci_get_current_frame_number(struct uhci_hcd *uhci);
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#define FSBR_DELAY msecs_to_jiffies(50)
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/* When we timeout an idle transfer for FSBR, we'll switch it over to */
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/* depth first traversal. We'll do it in groups of this number of TD's */
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/* depth first traversal. We'll do it in groups of this number of TDs */
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/* to make sure it doesn't hog all of the bandwidth */
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#define DEPTH_INTERVAL 5
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@ -728,8 +728,9 @@ static int uhci_resume(struct usb_hcd *hcd)
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dev_dbg(uhci_dev(uhci), "%s\n", __FUNCTION__);
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/* We aren't in D3 state anymore, we do that even if dead as I
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* really don't want to keep a stale HCD_FLAG_HW_ACCESSIBLE=0
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/* Since we aren't in D3 any more, it's safe to set this flag
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* even if the controller was dead. It might not even be dead
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* any more, if the firmware or quirks code has reset it.
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*/
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set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
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mb();
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@ -879,7 +880,7 @@ static int __init uhci_hcd_init(void)
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init_failed:
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if (kmem_cache_destroy(uhci_up_cachep))
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warn("not all urb_priv's were freed!");
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warn("not all urb_privs were freed!");
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up_failed:
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debugfs_remove(uhci_debugfs_root);
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@ -897,7 +898,7 @@ static void __exit uhci_hcd_cleanup(void)
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pci_unregister_driver(&uhci_pci_driver);
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if (kmem_cache_destroy(uhci_up_cachep))
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warn("not all urb_priv's were freed!");
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warn("not all urb_privs were freed!");
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debugfs_remove(uhci_debugfs_root);
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kfree(errbuf);
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@ -223,10 +223,10 @@ static u32 inline td_status(struct uhci_td *td) {
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*/
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/*
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* The UHCI driver places Interrupt, Control and Bulk into QH's both
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* to group together TD's for one transfer, and also to faciliate queuing
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* of URB's. To make it easy to insert entries into the schedule, we have
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* a skeleton of QH's for each predefined Interrupt latency, low-speed
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* The UHCI driver places Interrupt, Control and Bulk into QHs both
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* to group together TDs for one transfer, and also to facilitate queuing
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* of URBs. To make it easy to insert entries into the schedule, we have
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* a skeleton of QHs for each predefined Interrupt latency, low-speed
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* control, full-speed control and terminating QH (see explanation for
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* the terminating QH below).
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*
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@ -257,8 +257,8 @@ static u32 inline td_status(struct uhci_td *td) {
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* reclamation.
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*
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* Isochronous transfers are stored before the start of the skeleton
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* schedule and don't use QH's. While the UHCI spec doesn't forbid the
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* use of QH's for Isochronous, it doesn't use them either. And the spec
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* schedule and don't use QHs. While the UHCI spec doesn't forbid the
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* use of QHs for Isochronous, it doesn't use them either. And the spec
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* says that queues never advance on an error completion status, which
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* makes them totally unsuitable for Isochronous transfers.
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*/
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@ -359,7 +359,7 @@ struct uhci_hcd {
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struct dma_pool *td_pool;
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struct uhci_td *term_td; /* Terminating TD, see UHCI bug */
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struct uhci_qh *skelqh[UHCI_NUM_SKELQH]; /* Skeleton QH's */
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struct uhci_qh *skelqh[UHCI_NUM_SKELQH]; /* Skeleton QHs */
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spinlock_t lock;
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@ -389,22 +389,22 @@ struct uhci_hcd {
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unsigned long resuming_ports;
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unsigned long ports_timeout; /* Time to stop signalling */
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/* Main list of URB's currently controlled by this HC */
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/* Main list of URBs currently controlled by this HC */
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struct list_head urb_list;
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/* List of QH's that are done, but waiting to be unlinked (race) */
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/* List of QHs that are done, but waiting to be unlinked (race) */
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struct list_head qh_remove_list;
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unsigned int qh_remove_age; /* Age in frames */
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/* List of TD's that are done, but waiting to be freed (race) */
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/* List of TDs that are done, but waiting to be freed (race) */
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struct list_head td_remove_list;
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unsigned int td_remove_age; /* Age in frames */
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/* List of asynchronously unlinked URB's */
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/* List of asynchronously unlinked URBs */
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struct list_head urb_remove_list;
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unsigned int urb_remove_age; /* Age in frames */
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/* List of URB's awaiting completion callback */
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/* List of URBs awaiting completion callback */
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struct list_head complete_list;
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int rh_numports; /* Number of root-hub ports */
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@ -80,7 +80,7 @@ static inline void uhci_fill_td(struct uhci_td *td, u32 status,
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}
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/*
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* We insert Isochronous URB's directly into the frame list at the beginning
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* We insert Isochronous URBs directly into the frame list at the beginning
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*/
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static void uhci_insert_td_frame_list(struct uhci_hcd *uhci, struct uhci_td *td, unsigned framenum)
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{
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@ -369,7 +369,7 @@ static void uhci_append_queued_urb(struct uhci_hcd *uhci, struct urb *eurb, stru
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uhci_fixup_toggle(urb,
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uhci_toggle(td_token(lltd)) ^ 1));
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/* All qh's in the queue need to link to the next queue */
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/* All qhs in the queue need to link to the next queue */
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urbp->qh->link = eurbp->qh->link;
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wmb(); /* Make sure we flush everything */
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@ -502,7 +502,7 @@ static void uhci_destroy_urb_priv(struct uhci_hcd *uhci, struct urb *urb)
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}
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/* Check to see if the remove list is empty. Set the IOC bit */
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/* to force an interrupt so we can remove the TD's*/
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/* to force an interrupt so we can remove the TDs*/
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if (list_empty(&uhci->td_remove_list))
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uhci_set_next_interrupt(uhci);
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@ -612,7 +612,7 @@ static int uhci_submit_control(struct uhci_hcd *uhci, struct urb *urb, struct ur
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}
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/*
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* Build the DATA TD's
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* Build the DATA TDs
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*/
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while (len > 0) {
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int pktsze = len;
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@ -744,7 +744,7 @@ static int uhci_result_control(struct uhci_hcd *uhci, struct urb *urb)
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urb->actual_length = 0;
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/* The rest of the TD's (but the last) are data */
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/* The rest of the TDs (but the last) are data */
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tmp = tmp->next;
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while (tmp != head && tmp->next != head) {
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unsigned int ctrlstat;
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@ -848,7 +848,7 @@ static int uhci_submit_common(struct uhci_hcd *uhci, struct urb *urb, struct urb
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status |= TD_CTRL_SPD;
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/*
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* Build the DATA TD's
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* Build the DATA TDs
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*/
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do { /* Allow zero length packets */
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int pktsze = maxsze;
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@ -1025,7 +1025,7 @@ static int isochronous_find_limits(struct uhci_hcd *uhci, struct urb *urb, unsig
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list_for_each_entry(up, &uhci->urb_list, urb_list) {
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struct urb *u = up->urb;
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/* look for pending URB's with identical pipe handle */
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/* look for pending URBs with identical pipe handle */
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if ((urb->pipe == u->pipe) && (urb->dev == u->dev) &&
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(u->status == -EINPROGRESS) && (u != urb)) {
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if (!last_urb)
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@ -1355,7 +1355,7 @@ static void uhci_unlink_generic(struct uhci_hcd *uhci, struct urb *urb)
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uhci_delete_queued_urb(uhci, urb);
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/* The interrupt loop will reclaim the QH's */
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/* The interrupt loop will reclaim the QHs */
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uhci_remove_qh(uhci, urbp->qh);
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urbp->qh = NULL;
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}
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@ -1413,7 +1413,7 @@ static int uhci_fsbr_timeout(struct uhci_hcd *uhci, struct urb *urb)
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list_for_each_entry(td, head, list) {
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/*
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* Make sure we don't do the last one (since it'll have the
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* TERM bit set) as well as we skip every so many TD's to
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* TERM bit set) as well as we skip every so many TDs to
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* make sure it doesn't hog the bandwidth
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*/
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if (td->list.next != head && (count % DEPTH_INTERVAL) ==
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