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add 2.6.24 specific patchset for the usb driver

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SVN-Revision: 10338
v19.07.3_mercusys_ac12_duma
Gabor Juhos 17 years ago
parent fdee1a5a5a
commit cbad42a979
7 changed files with 494 additions and 0 deletions
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110
target/linux/adm5120/patches-2.6.24/910-usb_manage_endpoint_queues.patch
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@ -0,0 +1,110 @@
Index: linux-2.6.24/drivers/usb/host/adm5120-hcd.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-hcd.c
+++ linux-2.6.24/drivers/usb/host/adm5120-hcd.c
@@ -83,8 +83,8 @@ static void admhc_stop(struct usb_hcd *h
/*
* queue up an urb for anything except the root hub
*/
-static int admhc_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *ep,
- struct urb *urb, gfp_t mem_flags)
+static int admhc_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
+ gfp_t mem_flags)
{
struct admhcd *ahcd = hcd_to_admhcd(hcd);
struct ed *ed;
@@ -101,7 +101,7 @@ static int admhc_urb_enqueue(struct usb_
#endif
/* every endpoint has an ed, locate and maybe (re)initialize it */
- ed = ed_get(ahcd, ep, urb->dev, pipe, urb->interval);
+ ed = ed_get(ahcd, urb->ep, urb->dev, pipe, urb->interval);
if (!ed)
return -ENOMEM;
@@ -161,22 +161,17 @@ static int admhc_urb_enqueue(struct usb_
goto fail;
}
- /* in case of unlink-during-submit */
- spin_lock(&urb->lock);
- if (urb->status != -EINPROGRESS) {
- spin_unlock(&urb->lock);
- urb->hcpriv = urb_priv;
- finish_urb(ahcd, urb);
- ret = 0;
+ ret = usb_hcd_link_urb_to_ep(hcd, urb);
+ if (ret)
goto fail;
- }
/* schedule the ed if needed */
if (ed->state == ED_IDLE) {
ret = ed_schedule(ahcd, ed);
- if (ret < 0)
- goto fail0;
-
+ if (ret < 0) {
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
+ goto fail;
+ }
if (ed->type == PIPE_ISOCHRONOUS) {
u16 frame = admhc_frame_no(ahcd);
@@ -204,8 +199,6 @@ static int admhc_urb_enqueue(struct usb_
admhc_dump_ed(ahcd, "admhc_urb_enqueue", urb_priv->ed, 1);
#endif
-fail0:
- spin_unlock(&urb->lock);
fail:
if (ret)
urb_priv_free(ahcd, urb_priv);
@@ -220,18 +213,23 @@ fail:
* asynchronously, and we might be dealing with an urb that's
* partially transferred, or an ED with other urbs being unlinked.
*/
-static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
+static int admhc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
+ int status)
{
struct admhcd *ahcd = hcd_to_admhcd(hcd);
unsigned long flags;
+ int ret;
spin_lock_irqsave(&ahcd->lock, flags);
#ifdef ADMHC_VERBOSE_DEBUG
urb_print(ahcd, urb, "DEQUEUE", 1);
#endif
-
- if (HC_IS_RUNNING(hcd->state)) {
+ ret = usb_hcd_check_unlink_urb(hcd, urb, status);
+ if (ret) {
+ /* Do nothing */
+ ;
+ } else if (HC_IS_RUNNING(hcd->state)) {
struct urb_priv *urb_priv;
/* Unless an IRQ completed the unlink while it was being
@@ -253,7 +251,7 @@ static int admhc_urb_dequeue(struct usb_
}
spin_unlock_irqrestore(&ahcd->lock, flags);
- return 0;
+ return ret;
}
/*-------------------------------------------------------------------------*/
Index: linux-2.6.24/drivers/usb/host/adm5120-q.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-q.c
+++ linux-2.6.24/drivers/usb/host/adm5120-q.c
@@ -63,6 +63,7 @@ __acquires(ahcd->lock)
#endif
/* urb->complete() can reenter this HCD */
+ usb_hcd_unlink_urb_from_ep(admhcd_to_hcd(ahcd), urb);
spin_unlock(&ahcd->lock);
usb_hcd_giveback_urb(admhcd_to_hcd(ahcd), urb);
spin_lock(&ahcd->lock);

30
target/linux/adm5120/patches-2.6.24/911-usb_centralize_eremoteio_handling.patch
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Index: linux-2.6.24/drivers/usb/host/adm5120-q.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-q.c
+++ linux-2.6.24/drivers/usb/host/adm5120-q.c
@@ -28,25 +28,10 @@ __releases(ahcd->lock)
__acquires(ahcd->lock)
{
urb_priv_free(ahcd, urb->hcpriv);
- urb->hcpriv = NULL;
spin_lock(&urb->lock);
if (likely(urb->status == -EINPROGRESS))
urb->status = 0;
-
- /* report short control reads right even though the data TD always
- * has TD_R set. (much simpler, but creates the 1-td limit.)
- */
- if (unlikely(urb->transfer_flags & URB_SHORT_NOT_OK)
- && unlikely(usb_pipecontrol(urb->pipe))
- && urb->actual_length < urb->transfer_buffer_length
- && usb_pipein(urb->pipe)
- && urb->status == 0) {
- urb->status = -EREMOTEIO;
-#ifdef ADMHC_VERBOSE_DEBUG
- urb_print(ahcd, urb, "SHORT", usb_pipeout(urb->pipe));
-#endif
- }
spin_unlock(&urb->lock);
switch (usb_pipetype(urb->pipe)) {

23
target/linux/adm5120/patches-2.6.24/912-usb_use_urb_unlinked_field.patch
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Index: linux-2.6.24/drivers/usb/host/adm5120-q.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-q.c
+++ linux-2.6.24/drivers/usb/host/adm5120-q.c
@@ -616,8 +616,7 @@ static int td_done(struct admhcd *ahcd,
if (cc != TD_CC_NOERROR && cc < TD_CC_HCD0) {
spin_lock(&urb->lock);
- if (urb->status == -EINPROGRESS)
- urb->status = cc_to_error[cc];
+ urb->status = cc_to_error[cc];
spin_unlock(&urb->lock);
}
@@ -787,7 +786,7 @@ rescan_this:
urb = td->urb;
urb_priv = td->urb->hcpriv;
- if (urb->status == -EINPROGRESS) {
+ if (!urb->unlinked) {
prev = &td->hwNextTD;
continue;
}

62
target/linux/adm5120/patches-2.6.24/913-usb_avoid_donelist_after_an_error.patch
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Index: linux-2.6.24/drivers/usb/host/adm5120-q.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-q.c
+++ linux-2.6.24/drivers/usb/host/adm5120-q.c
@@ -641,10 +641,11 @@ static int td_done(struct admhcd *ahcd,
/*-------------------------------------------------------------------------*/
-static inline struct td *
+static inline void
ed_halted(struct admhcd *ahcd, struct td *td, int cc, struct td *rev)
{
struct urb *urb = td->urb;
+ struct urb_priv *urb_priv = urb->hcpriv;
struct ed *ed = td->ed;
struct list_head *tmp = td->td_list.next;
__hc32 toggle = ed->hwHeadP & cpu_to_hc32(ahcd, ED_C);
@@ -657,13 +658,12 @@ ed_halted(struct admhcd *ahcd, struct td
wmb();
ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_H);
- /* put any later tds from this urb onto the donelist, after 'td',
- * order won't matter here: no errors, and nothing was transferred.
- * also patch the ed so it looks as if those tds completed normally.
+ /* Get rid of all later tds from this urb. We don't have
+ * to be careful: no errors and nothing was transferred.
+ * Also patch the ed so it looks as if those tds completed normally.
*/
while (tmp != &ed->td_list) {
struct td *next;
- __hc32 info;
next = list_entry(tmp, struct td, td_list);
tmp = next->td_list.next;
@@ -678,16 +678,8 @@ ed_halted(struct admhcd *ahcd, struct td
* then we need to leave the control STATUS packet queued
* and clear ED_SKIP.
*/
- info = next->hwINFO;
-#if 0 /* FIXME */
- info |= cpu_to_hc32(ahcd, TD_DONE);
-#endif
- info &= ~cpu_to_hc32(ahcd, TD_CC);
- next->hwINFO = info;
-
- next->next_dl_td = rev;
- rev = next;
-
+ list_del(&next->td_list);
+ urb_priv->td_cnt++;
ed->hwHeadP = next->hwNextTD | toggle;
}
@@ -713,8 +705,6 @@ ed_halted(struct admhcd *ahcd, struct td
hc32_to_cpu(ahcd, td->hwINFO),
cc, cc_to_error [cc]);
}
-
- return rev;
}
/*-------------------------------------------------------------------------*/

242
target/linux/adm5120/patches-2.6.24/914-usb_reorganize_urb_status_use.patch
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Index: linux-2.6.24/drivers/usb/host/adm5120-dbg.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-dbg.c
+++ linux-2.6.24/drivers/usb/host/adm5120-dbg.c
@@ -82,7 +82,7 @@ static inline char *td_togglestring(u32
* small: 0) header + data packets 1) just header
*/
static void __attribute__((unused))
-urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small)
+urb_print(struct admhcd *ahcd, struct urb *urb, char *str, int small, int status)
{
unsigned int pipe = urb->pipe;
@@ -92,7 +92,7 @@ urb_print(struct admhcd *ahcd, struct ur
}
#ifndef ADMHC_VERBOSE_DEBUG
- if (urb->status != 0)
+ if (status != 0)
#endif
admhc_dbg(ahcd, "URB-%s %p dev=%d ep=%d%s-%s flags=%x len=%d/%d "
"stat=%d\n",
@@ -105,7 +105,7 @@ urb_print(struct admhcd *ahcd, struct ur
urb->transfer_flags,
urb->actual_length,
urb->transfer_buffer_length,
- urb->status);
+ status);
#ifdef ADMHC_VERBOSE_DEBUG
if (!small) {
@@ -125,7 +125,7 @@ urb_print(struct admhcd *ahcd, struct ur
urb->transfer_buffer_length: urb->actual_length;
for (i = 0; i < 16 && i < len; i++)
printk(" %02x", ((__u8 *)urb->transfer_buffer)[i]);
- printk("%s stat:%d\n", i < len? "...": "", urb->status);
+ printk("%s stat:%d\n", i < len? "...": "", status);
}
}
#endif /* ADMHC_VERBOSE_DEBUG */
Index: linux-2.6.24/drivers/usb/host/adm5120-hcd.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-hcd.c
+++ linux-2.6.24/drivers/usb/host/adm5120-hcd.c
@@ -96,7 +96,7 @@ static int admhc_urb_enqueue(struct usb_
#ifdef ADMHC_VERBOSE_DEBUG
spin_lock_irqsave(&ahcd->lock, flags);
- urb_print(ahcd, urb, "ENQEUE", usb_pipein(pipe));
+ urb_print(ahcd, urb, "ENQEUE", usb_pipein(pipe), -EINPROGRESS);
spin_unlock_irqrestore(&ahcd->lock, flags);
#endif
@@ -208,8 +208,8 @@ fail:
}
/*
- * decouple the URB from the HC queues (TDs, urb_priv); it's
- * already marked using urb->status. reporting is always done
+ * decouple the URB from the HC queues (TDs, urb_priv);
+ * reporting is always done
* asynchronously, and we might be dealing with an urb that's
* partially transferred, or an ED with other urbs being unlinked.
*/
@@ -223,7 +223,7 @@ static int admhc_urb_dequeue(struct usb_
spin_lock_irqsave(&ahcd->lock, flags);
#ifdef ADMHC_VERBOSE_DEBUG
- urb_print(ahcd, urb, "DEQUEUE", 1);
+ urb_print(ahcd, urb, "DEQUEUE", 1, status);
#endif
ret = usb_hcd_check_unlink_urb(hcd, urb, status);
if (ret) {
@@ -247,7 +247,7 @@ static int admhc_urb_dequeue(struct usb_
* any more ... just clean up every urb's memory.
*/
if (urb->hcpriv)
- finish_urb(ahcd, urb);
+ finish_urb(ahcd, urb, status);
}
spin_unlock_irqrestore(&ahcd->lock, flags);
Index: linux-2.6.24/drivers/usb/host/adm5120-pm.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-pm.c
+++ linux-2.6.24/drivers/usb/host/adm5120-pm.c
@@ -383,9 +383,8 @@ static int admhc_restart(struct admhcd *
ed, ed->state);
}
- spin_lock(&urb->lock);
- urb->status = -ESHUTDOWN;
- spin_unlock(&urb->lock);
+ if (!urb->unlinked)
+ urb->unlinked = -ESHUTDOWN;
}
finish_unlinks(ahcd, 0);
spin_unlock_irq(&ahcd->lock);
Index: linux-2.6.24/drivers/usb/host/adm5120-q.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-q.c
+++ linux-2.6.24/drivers/usb/host/adm5120-q.c
@@ -23,16 +23,14 @@
* PRECONDITION: ahcd lock held, irqs blocked.
*/
static void
-finish_urb(struct admhcd *ahcd, struct urb *urb)
+finish_urb(struct admhcd *ahcd, struct urb *urb, int status)
__releases(ahcd->lock)
__acquires(ahcd->lock)
{
urb_priv_free(ahcd, urb->hcpriv);
- spin_lock(&urb->lock);
- if (likely(urb->status == -EINPROGRESS))
- urb->status = 0;
- spin_unlock(&urb->lock);
+ if (likely(status == -EINPROGRESS))
+ status = 0;
switch (usb_pipetype(urb->pipe)) {
case PIPE_ISOCHRONOUS:
@@ -44,12 +42,13 @@ __acquires(ahcd->lock)
}
#ifdef ADMHC_VERBOSE_DEBUG
- urb_print(ahcd, urb, "RET", usb_pipeout (urb->pipe));
+ urb_print(ahcd, urb, "RET", usb_pipeout (urb->pipe), status);
#endif
/* urb->complete() can reenter this HCD */
usb_hcd_unlink_urb_from_ep(admhcd_to_hcd(ahcd), urb);
spin_unlock(&ahcd->lock);
+ urb->status = status;
usb_hcd_giveback_urb(admhcd_to_hcd(ahcd), urb);
spin_lock(&ahcd->lock);
}
@@ -557,9 +556,7 @@ static void td_submit_urb(struct admhcd
* Done List handling functions
*-------------------------------------------------------------------------*/
-/* calculate transfer length/status and update the urb
- * PRECONDITION: irqsafe (only for urb->status locking)
- */
+/* calculate transfer length/status and update the urb */
static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td)
{
struct urb_priv *urb_priv = urb->hcpriv;
@@ -568,6 +565,7 @@ static int td_done(struct admhcd *ahcd,
u32 tdDBP;
int type = usb_pipetype(urb->pipe);
int cc;
+ int status = -EINPROGRESS;
info = hc32_to_cpup(ahcd, &td->hwINFO);
tdDBP = hc32_to_cpup(ahcd, &td->hwDBP);
@@ -582,10 +580,9 @@ static int td_done(struct admhcd *ahcd,
/* NOTE: assumes FC in tdINFO == 0, and that
* only the first of 0..MAXPSW psws is used.
*/
-#if 0
- if (tdINFO & TD_CC) /* hc didn't touch? */
- return;
-#endif
+ if (info & TD_CC) /* hc didn't touch? */
+ return status;
+
if (usb_pipeout(urb->pipe))
dlen = urb->iso_frame_desc[td->index].length;
else {
@@ -614,11 +611,9 @@ static int td_done(struct admhcd *ahcd,
&& !(urb->transfer_flags & URB_SHORT_NOT_OK))
cc = TD_CC_NOERROR;
- if (cc != TD_CC_NOERROR && cc < TD_CC_HCD0) {
- spin_lock(&urb->lock);
- urb->status = cc_to_error[cc];
- spin_unlock(&urb->lock);
- }
+ if (cc != TD_CC_NOERROR && cc < TD_CC_HCD0)
+ status = cc_to_error[cc];
+
/* count all non-empty packets except control SETUP packet */
if ((type != PIPE_CONTROL || td->index != 0) && tdDBP != 0) {
@@ -636,7 +631,7 @@ static int td_done(struct admhcd *ahcd,
list_del(&td->td_list);
urb_priv->td_idx++;
- return cc;
+ return status;
}
/*-------------------------------------------------------------------------*/
@@ -771,6 +766,7 @@ rescan_this:
struct urb *urb;
struct urb_priv *urb_priv;
__hc32 savebits;
+ int status;
td = list_entry(entry, struct td, td_list);
urb = td->urb;
@@ -792,12 +788,12 @@ rescan_this:
#ifdef ADMHC_VERBOSE_DEBUG
urb_print(ahcd, urb, "PARTIAL", 0);
#endif
- td_done(ahcd, urb, td);
+ status = td_done(ahcd, urb, td);
/* if URB is done, clean up */
if (urb_priv->td_idx == urb_priv->td_cnt) {
modified = completed = 1;
- finish_urb(ahcd, urb);
+ finish_urb(ahcd, urb, status);
}
}
if (completed && !list_empty(&ed->td_list))
@@ -895,13 +891,13 @@ static void ed_update(struct admhcd *ahc
struct td *td = list_entry(entry, struct td, td_list);
struct urb *urb = td->urb;
struct urb_priv *urb_priv = urb->hcpriv;
- int cc;
+ int status;
if (hc32_to_cpup(ahcd, &td->hwINFO) & TD_OWN)
break;
/* update URB's length and status from TD */
- cc = td_done(ahcd, urb, td);
+ status = td_done(ahcd, urb, td);
if (is_ed_halted(ahcd, ed) && is_td_halted(ahcd, ed, td))
ed_unhalt(ahcd, ed, urb);
@@ -910,7 +906,7 @@ static void ed_update(struct admhcd *ahc
/* If all this urb's TDs are done, call complete() */
if (urb_priv->td_idx == urb_priv->td_cnt)
- finish_urb(ahcd, urb);
+ finish_urb(ahcd, urb, status);
/* clean schedule: unlink EDs that are no longer busy */
if (list_empty(&ed->td_list)) {

14
target/linux/adm5120/patches-2.6.24/915-usb_eliminate_urb_status.patch
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@ -0,0 +1,14 @@
Index: linux-2.6.24/drivers/usb/host/adm5120-q.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-q.c
+++ linux-2.6.24/drivers/usb/host/adm5120-q.c
@@ -48,8 +48,7 @@ __acquires(ahcd->lock)
/* urb->complete() can reenter this HCD */
usb_hcd_unlink_urb_from_ep(admhcd_to_hcd(ahcd), urb);
spin_unlock(&ahcd->lock);
- urb->status = status;
- usb_hcd_giveback_urb(admhcd_to_hcd(ahcd), urb);
+ usb_hcd_giveback_urb(admhcd_to_hcd(ahcd), urb, status);
spin_lock(&ahcd->lock);
}

13
target/linux/adm5120/patches-2.6.24/916-usb_bump_version_number.patch
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@ -0,0 +1,13 @@
Index: linux-2.6.24/drivers/usb/host/adm5120-hcd.c
===================================================================
--- linux-2.6.24.orig/drivers/usb/host/adm5120-hcd.c
+++ linux-2.6.24/drivers/usb/host/adm5120-hcd.c
@@ -45,7 +45,7 @@
#include "../core/hcd.h"
#include "../core/hub.h"
-#define DRIVER_VERSION "0.16.3"
+#define DRIVER_VERSION "0.24.0"
#define DRIVER_AUTHOR "Gabor Juhos <juhosg at openwrt.org>"
#define DRIVER_DESC "ADMtek USB 1.1 Host Controller Driver"
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