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Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (32 commits)
  USB GADGET/PERIPHERAL: g_file_storage Bulk-Only Transport compliance, clear-feature ignore
  USB GADGET/PERIPHERAL: g_file_storage Bulk-Only Transport compliance
  usb_serial: some coding style fixes
  USB: Remove redundant dependencies on USB_ATM.
  USB: UHCI: disable remote wakeup when it's not needed
  USB: OHCI: work around bogus compiler warning
  USB: add Cypress c67x00 OTG controller HCD driver
  USB: add Cypress c67x00 OTG controller core driver
  USB: add Cypress c67x00 low level interface code
  USB: airprime: unlock mutex instead of trying to lock it again
  USB: storage: Update mailling list address
  USB: storage: UNUSUAL_DEVS() for PanDigital Picture frame.
  USB: Add the USB 2.0 extension descriptor.
  USB: add more FTDI device ids
  USB: fix cannot work usb storage when using ohci-sm501
  usb: gadget zero timer init fix
  usb: gadget zero style fixups (mostly whitespace)
  usb serial gadget: CDC ACM fixes
  usb: pxa27x_udc driver
  USB: INTOVA Pixtreme camera mass storage device
  ...
This commit is contained in:
Linus Torvalds 2008-05-02 11:03:08 -07:00
commit 1be1d6b7f3
45 changed files with 9213 additions and 537 deletions
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63
drivers/block/ub.c
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@ -205,6 +205,7 @@ struct ub_scsi_cmd {
unsigned char key, asc, ascq; /* May be valid if error==-EIO */
int stat_count; /* Retries getting status. */
unsigned int timeo; /* jiffies until rq->timeout changes */
unsigned int len; /* Requested length */
unsigned int current_sg;
@ -318,6 +319,7 @@ struct ub_dev {
int openc; /* protected by ub_lock! */
/* kref is too implicit for our taste */
int reset; /* Reset is running */
int bad_resid;
unsigned int tagcnt;
char name[12];
struct usb_device *dev;
@ -764,6 +766,12 @@ static void ub_cmd_build_packet(struct ub_dev *sc, struct ub_lun *lun,
cmd->cdb_len = rq->cmd_len;
cmd->len = rq->data_len;
/*
* To reapply this to every URB is not as incorrect as it looks.
* In return, we avoid any complicated tracking calculations.
*/
cmd->timeo = rq->timeout;
}
static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
@ -785,10 +793,6 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
scsi_status = 0;
} else {
if (cmd->act_len != cmd->len) {
if ((cmd->key == MEDIUM_ERROR ||
cmd->key == UNIT_ATTENTION) &&
ub_rw_cmd_retry(sc, lun, urq, cmd) == 0)
return;
scsi_status = SAM_STAT_CHECK_CONDITION;
} else {
scsi_status = 0;
@ -804,7 +808,10 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
else
scsi_status = DID_ERROR << 16;
} else {
if (cmd->error == -EIO) {
if (cmd->error == -EIO &&
(cmd->key == 0 ||
cmd->key == MEDIUM_ERROR ||
cmd->key == UNIT_ATTENTION)) {
if (ub_rw_cmd_retry(sc, lun, urq, cmd) == 0)
return;
}
@ -1259,14 +1266,19 @@ static void ub_scsi_urb_compl(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
return;
}
len = le32_to_cpu(bcs->Residue);
if (len != cmd->len - cmd->act_len) {
/*
* It is all right to transfer less, the caller has
* to check. But it's not all right if the device
* counts disagree with our counts.
*/
goto Bad_End;
if (!sc->bad_resid) {
len = le32_to_cpu(bcs->Residue);
if (len != cmd->len - cmd->act_len) {
/*
* Only start ignoring if this cmd ended well.
*/
if (cmd->len == cmd->act_len) {
printk(KERN_NOTICE "%s: "
"bad residual %d of %d, ignoring\n",
sc->name, len, cmd->len);
sc->bad_resid = 1;
}
}
}
switch (bcs->Status) {
@ -1297,8 +1309,7 @@ static void ub_scsi_urb_compl(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
ub_state_done(sc, cmd, -EIO);
} else {
printk(KERN_WARNING "%s: "
"wrong command state %d\n",
printk(KERN_WARNING "%s: wrong command state %d\n",
sc->name, cmd->state);
ub_state_done(sc, cmd, -EINVAL);
return;
@ -1336,7 +1347,10 @@ static void ub_data_start(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
return;
}
sc->work_timer.expires = jiffies + UB_DATA_TIMEOUT;
if (cmd->timeo)
sc->work_timer.expires = jiffies + cmd->timeo;
else
sc->work_timer.expires = jiffies + UB_DATA_TIMEOUT;
add_timer(&sc->work_timer);
cmd->state = UB_CMDST_DATA;
@ -1376,7 +1390,10 @@ static int __ub_state_stat(struct ub_dev *sc, struct ub_scsi_cmd *cmd)
return -1;
}
sc->work_timer.expires = jiffies + UB_STAT_TIMEOUT;
if (cmd->timeo)
sc->work_timer.expires = jiffies + cmd->timeo;
else
sc->work_timer.expires = jiffies + UB_STAT_TIMEOUT;
add_timer(&sc->work_timer);
return 0;
}
@ -1515,8 +1532,7 @@ static void ub_top_sense_done(struct ub_dev *sc, struct ub_scsi_cmd *scmd)
return;
}
if (cmd->state != UB_CMDST_SENSE) {
printk(KERN_WARNING "%s: "
"sense done with bad cmd state %d\n",
printk(KERN_WARNING "%s: sense done with bad cmd state %d\n",
sc->name, cmd->state);
return;
}
@ -1720,7 +1736,7 @@ static int ub_bd_ioctl(struct inode *inode, struct file *filp,
}
/*
* This is called once a new disk was seen by the block layer or by ub_probe().
* This is called by check_disk_change if we reported a media change.
* The main onjective here is to discover the features of the media such as
* the capacity, read-only status, etc. USB storage generally does not
* need to be spun up, but if we needed it, this would be the place.
@ -2136,8 +2152,7 @@ static int ub_get_pipes(struct ub_dev *sc, struct usb_device *dev,
}
if (ep_in == NULL || ep_out == NULL) {
printk(KERN_NOTICE "%s: failed endpoint check\n",
sc->name);
printk(KERN_NOTICE "%s: failed endpoint check\n", sc->name);
return -ENODEV;
}
@ -2354,7 +2369,7 @@ static void ub_disconnect(struct usb_interface *intf)
spin_unlock_irqrestore(&ub_lock, flags);
/*
* Fence stall clearnings, operations triggered by unlinkings and so on.
* Fence stall clearings, operations triggered by unlinkings and so on.
* We do not attempt to unlink any URBs, because we do not trust the
* unlink paths in HC drivers. Also, we get -84 upon disconnect anyway.
*/
@ -2417,7 +2432,7 @@ static void ub_disconnect(struct usb_interface *intf)
spin_unlock_irqrestore(sc->lock, flags);
/*
* There is virtually no chance that other CPU runs times so long
* There is virtually no chance that other CPU runs a timeout so long
* after ub_urb_complete should have called del_timer, but only if HCD
* didn't forget to deliver a callback on unlink.
*/