usb: u132-hcd driver: semaphore to mutex
Signed-off-by: Daniel Walker <dwalker@mvista.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
b40f8d3980
commit
50d8ca9b56
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@ -184,7 +184,7 @@ struct u132 {
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struct kref kref;
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struct list_head u132_list;
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struct mutex sw_lock;
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struct semaphore scheduler_lock;
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struct mutex scheduler_lock;
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struct u132_platform_data *board;
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struct platform_device *platform_dev;
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struct u132_ring ring[MAX_U132_RINGS];
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@ -535,12 +535,12 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
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spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
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kfree(urbq);
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}
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down(&u132->scheduler_lock);
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mutex_lock(&u132->scheduler_lock);
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ring = endp->ring;
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ring->in_use = 0;
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u132_ring_cancel_work(u132, ring);
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u132_ring_queue_work(u132, ring, 0);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_endp_put_kref(u132, endp);
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usb_hcd_giveback_urb(hcd, urb, status);
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return;
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@ -631,22 +631,22 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
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struct u132 *u132 = endp->u132;
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u8 address = u132->addr[endp->usb_addr].address;
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struct u132_udev *udev = &u132->udev[address];
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down(&u132->scheduler_lock);
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mutex_lock(&u132->scheduler_lock);
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if (u132->going > 1) {
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dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
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, u132->going);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (endp->dequeueing) {
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endp->dequeueing = 0;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
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return;
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} else if (u132->going > 0) {
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dev_err(&u132->platform_dev->dev, "device is being removed "
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"urb=%p\n", urb);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (!urb->unlinked) {
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@ -666,7 +666,7 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
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1 & toggle_bits);
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if (urb->actual_length > 0) {
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int retval;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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retval = edset_single(u132, ring, endp, urb,
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address, endp->toggle_bits,
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u132_hcd_interrupt_recv);
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@ -680,7 +680,7 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
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msecs_to_jiffies(urb->interval);
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u132_ring_cancel_work(u132, ring);
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u132_ring_queue_work(u132, ring, 0);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_endp_put_kref(u132, endp);
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}
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return;
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@ -689,7 +689,7 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
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endp->toggle_bits = toggle_bits;
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usb_settoggle(udev->usb_device, endp->usb_endp, 0,
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1 & toggle_bits);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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} else {
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@ -709,7 +709,7 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
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"g back INTERRUPT %s\n", urb,
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cc_to_text[condition_code]);
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}
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb,
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cc_to_error[condition_code]);
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return;
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@ -717,7 +717,7 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
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} else {
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dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
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"unlinked=%d\n", urb, urb->unlinked);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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}
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@ -730,22 +730,22 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
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struct u132_endp *endp = data;
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struct u132 *u132 = endp->u132;
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u8 address = u132->addr[endp->usb_addr].address;
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down(&u132->scheduler_lock);
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mutex_lock(&u132->scheduler_lock);
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if (u132->going > 1) {
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dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
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, u132->going);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (endp->dequeueing) {
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endp->dequeueing = 0;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
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return;
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} else if (u132->going > 0) {
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dev_err(&u132->platform_dev->dev, "device is being removed "
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"urb=%p\n", urb);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (!urb->unlinked) {
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@ -754,21 +754,21 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
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endp->toggle_bits = toggle_bits;
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if (urb->transfer_buffer_length > urb->actual_length) {
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int retval;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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retval = edset_output(u132, ring, endp, urb, address,
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endp->toggle_bits, u132_hcd_bulk_output_sent);
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if (retval != 0)
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u132_hcd_giveback_urb(u132, endp, urb, retval);
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return;
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} else {
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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}
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} else {
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dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
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"unlinked=%d\n", urb, urb->unlinked);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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}
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@ -782,22 +782,22 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
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struct u132 *u132 = endp->u132;
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u8 address = u132->addr[endp->usb_addr].address;
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struct u132_udev *udev = &u132->udev[address];
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down(&u132->scheduler_lock);
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mutex_lock(&u132->scheduler_lock);
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if (u132->going > 1) {
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dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
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, u132->going);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (endp->dequeueing) {
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endp->dequeueing = 0;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
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return;
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} else if (u132->going > 0) {
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dev_err(&u132->platform_dev->dev, "device is being removed "
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"urb=%p\n", urb);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (!urb->unlinked) {
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@ -816,7 +816,7 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
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endp->toggle_bits = toggle_bits;
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usb_settoggle(udev->usb_device, endp->usb_endp, 0,
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1 & toggle_bits);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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retval = usb_ftdi_elan_edset_input(u132->platform_dev,
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ring->number, endp, urb, address,
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endp->usb_endp, endp->toggle_bits,
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@ -828,7 +828,7 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
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endp->toggle_bits = toggle_bits;
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usb_settoggle(udev->usb_device, endp->usb_endp, 0,
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1 & toggle_bits);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb,
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cc_to_error[condition_code]);
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return;
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@ -837,7 +837,7 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
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endp->toggle_bits = toggle_bits;
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usb_settoggle(udev->usb_device, endp->usb_endp, 0,
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1 & toggle_bits);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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} else if (condition_code == TD_DATAUNDERRUN) {
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@ -847,13 +847,13 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
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dev_warn(&u132->platform_dev->dev, "urb=%p(SHORT NOT OK"
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") giving back BULK IN %s\n", urb,
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cc_to_text[condition_code]);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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} else if (condition_code == TD_CC_STALL) {
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endp->toggle_bits = 0x2;
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usb_settoggle(udev->usb_device, endp->usb_endp, 0, 0);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb,
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cc_to_error[condition_code]);
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return;
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@ -863,7 +863,7 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
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dev_err(&u132->platform_dev->dev, "urb=%p giving back B"
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"ULK IN code=%d %s\n", urb, condition_code,
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cc_to_text[condition_code]);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb,
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cc_to_error[condition_code]);
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return;
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@ -871,7 +871,7 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
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} else {
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dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
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"unlinked=%d\n", urb, urb->unlinked);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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}
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@ -883,32 +883,32 @@ static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf,
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{
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struct u132_endp *endp = data;
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struct u132 *u132 = endp->u132;
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down(&u132->scheduler_lock);
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mutex_lock(&u132->scheduler_lock);
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if (u132->going > 1) {
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dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
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, u132->going);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (endp->dequeueing) {
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endp->dequeueing = 0;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
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return;
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} else if (u132->going > 0) {
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dev_err(&u132->platform_dev->dev, "device is being removed "
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"urb=%p\n", urb);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (!urb->unlinked) {
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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} else {
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dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
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"unlinked=%d\n", urb, urb->unlinked);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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}
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@ -921,22 +921,22 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
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struct u132_endp *endp = data;
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struct u132 *u132 = endp->u132;
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u8 address = u132->addr[endp->usb_addr].address;
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down(&u132->scheduler_lock);
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mutex_lock(&u132->scheduler_lock);
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if (u132->going > 1) {
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dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
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, u132->going);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (endp->dequeueing) {
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endp->dequeueing = 0;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
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return;
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} else if (u132->going > 0) {
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dev_err(&u132->platform_dev->dev, "device is being removed "
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"urb=%p\n", urb);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (!urb->unlinked) {
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@ -953,7 +953,7 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
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TD_DATAUNDERRUN) && ((urb->transfer_flags &
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URB_SHORT_NOT_OK) == 0))) {
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int retval;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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retval = usb_ftdi_elan_edset_empty(u132->platform_dev,
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ring->number, endp, urb, address,
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endp->usb_endp, 0x3,
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@ -962,14 +962,14 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
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u132_hcd_giveback_urb(u132, endp, urb, retval);
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return;
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} else if (condition_code == TD_CC_STALL) {
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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dev_warn(&u132->platform_dev->dev, "giving back SETUP I"
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"NPUT STALL urb %p\n", urb);
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u132_hcd_giveback_urb(u132, endp, urb,
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cc_to_error[condition_code]);
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return;
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} else {
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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dev_err(&u132->platform_dev->dev, "giving back SETUP IN"
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"PUT %s urb %p\n", cc_to_text[condition_code],
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urb);
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@ -980,7 +980,7 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
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} else {
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dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
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"unlinked=%d\n", urb, urb->unlinked);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, 0);
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return;
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}
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@ -992,32 +992,32 @@ static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf,
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{
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struct u132_endp *endp = data;
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struct u132 *u132 = endp->u132;
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down(&u132->scheduler_lock);
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mutex_lock(&u132->scheduler_lock);
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if (u132->going > 1) {
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dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
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, u132->going);
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
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return;
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} else if (endp->dequeueing) {
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endp->dequeueing = 0;
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up(&u132->scheduler_lock);
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mutex_unlock(&u132->scheduler_lock);
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u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
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return;
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||||
} else if (u132->going > 0) {
|
||||
dev_err(&u132->platform_dev->dev, "device is being removed "
|
||||
"urb=%p\n", urb);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (!urb->unlinked) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
} else {
|
||||
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
|
||||
"unlinked=%d\n", urb, urb->unlinked);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
}
|
||||
|
@ -1030,29 +1030,29 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
|
|||
struct u132_endp *endp = data;
|
||||
struct u132 *u132 = endp->u132;
|
||||
u8 address = u132->addr[endp->usb_addr].address;
|
||||
down(&u132->scheduler_lock);
|
||||
mutex_lock(&u132->scheduler_lock);
|
||||
if (u132->going > 1) {
|
||||
dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
|
||||
, u132->going);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (endp->dequeueing) {
|
||||
endp->dequeueing = 0;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
|
||||
return;
|
||||
} else if (u132->going > 0) {
|
||||
dev_err(&u132->platform_dev->dev, "device is being removed "
|
||||
"urb=%p\n", urb);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (!urb->unlinked) {
|
||||
if (usb_pipein(urb->pipe)) {
|
||||
int retval;
|
||||
struct u132_ring *ring = endp->ring;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = usb_ftdi_elan_edset_input(u132->platform_dev,
|
||||
ring->number, endp, urb, address,
|
||||
endp->usb_endp, 0,
|
||||
|
@ -1063,7 +1063,7 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
|
|||
} else {
|
||||
int retval;
|
||||
struct u132_ring *ring = endp->ring;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = usb_ftdi_elan_edset_input(u132->platform_dev,
|
||||
ring->number, endp, urb, address,
|
||||
endp->usb_endp, 0,
|
||||
|
@ -1075,7 +1075,7 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
|
|||
} else {
|
||||
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
|
||||
"unlinked=%d\n", urb, urb->unlinked);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
}
|
||||
|
@ -1089,34 +1089,34 @@ static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb,
|
|||
struct u132 *u132 = endp->u132;
|
||||
u8 address = u132->addr[endp->usb_addr].address;
|
||||
struct u132_udev *udev = &u132->udev[address];
|
||||
down(&u132->scheduler_lock);
|
||||
mutex_lock(&u132->scheduler_lock);
|
||||
if (u132->going > 1) {
|
||||
dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
|
||||
, u132->going);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (endp->dequeueing) {
|
||||
endp->dequeueing = 0;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
|
||||
return;
|
||||
} else if (u132->going > 0) {
|
||||
dev_err(&u132->platform_dev->dev, "device is being removed "
|
||||
"urb=%p\n", urb);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (!urb->unlinked) {
|
||||
u132->addr[0].address = 0;
|
||||
endp->usb_addr = udev->usb_addr;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
} else {
|
||||
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
|
||||
"unlinked=%d\n", urb, urb->unlinked);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
}
|
||||
|
@ -1128,28 +1128,28 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
|
|||
{
|
||||
struct u132_endp *endp = data;
|
||||
struct u132 *u132 = endp->u132;
|
||||
down(&u132->scheduler_lock);
|
||||
mutex_lock(&u132->scheduler_lock);
|
||||
if (u132->going > 1) {
|
||||
dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
|
||||
, u132->going);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (endp->dequeueing) {
|
||||
endp->dequeueing = 0;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
|
||||
return;
|
||||
} else if (u132->going > 0) {
|
||||
dev_err(&u132->platform_dev->dev, "device is being removed "
|
||||
"urb=%p\n", urb);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (!urb->unlinked) {
|
||||
int retval;
|
||||
struct u132_ring *ring = endp->ring;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = usb_ftdi_elan_edset_input(u132->platform_dev,
|
||||
ring->number, endp, urb, 0, endp->usb_endp, 0,
|
||||
u132_hcd_enumeration_empty_recv);
|
||||
|
@ -1159,7 +1159,7 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
|
|||
} else {
|
||||
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
|
||||
"unlinked=%d\n", urb, urb->unlinked);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
}
|
||||
|
@ -1171,32 +1171,32 @@ static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf,
|
|||
{
|
||||
struct u132_endp *endp = data;
|
||||
struct u132 *u132 = endp->u132;
|
||||
down(&u132->scheduler_lock);
|
||||
mutex_lock(&u132->scheduler_lock);
|
||||
if (u132->going > 1) {
|
||||
dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
|
||||
, u132->going);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (endp->dequeueing) {
|
||||
endp->dequeueing = 0;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
|
||||
return;
|
||||
} else if (u132->going > 0) {
|
||||
dev_err(&u132->platform_dev->dev, "device is being removed "
|
||||
"urb=%p\n", urb);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (!urb->unlinked) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
} else {
|
||||
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
|
||||
"unlinked=%d\n", urb, urb->unlinked);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
}
|
||||
|
@ -1209,22 +1209,22 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
|
|||
struct u132_endp *endp = data;
|
||||
struct u132 *u132 = endp->u132;
|
||||
u8 address = u132->addr[endp->usb_addr].address;
|
||||
down(&u132->scheduler_lock);
|
||||
mutex_lock(&u132->scheduler_lock);
|
||||
if (u132->going > 1) {
|
||||
dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
|
||||
, u132->going);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (endp->dequeueing) {
|
||||
endp->dequeueing = 0;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
|
||||
return;
|
||||
} else if (u132->going > 0) {
|
||||
dev_err(&u132->platform_dev->dev, "device is being removed "
|
||||
"urb=%p\n", urb);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (!urb->unlinked) {
|
||||
|
@ -1238,7 +1238,7 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
|
|||
*u++ = *b++;
|
||||
|
||||
urb->actual_length = len;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = usb_ftdi_elan_edset_empty(u132->platform_dev,
|
||||
ring->number, endp, urb, address, endp->usb_endp, 0x3,
|
||||
u132_hcd_initial_empty_sent);
|
||||
|
@ -1248,7 +1248,7 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
|
|||
} else {
|
||||
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
|
||||
"unlinked=%d\n", urb, urb->unlinked);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
}
|
||||
|
@ -1261,28 +1261,28 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
|
|||
struct u132_endp *endp = data;
|
||||
struct u132 *u132 = endp->u132;
|
||||
u8 address = u132->addr[endp->usb_addr].address;
|
||||
down(&u132->scheduler_lock);
|
||||
mutex_lock(&u132->scheduler_lock);
|
||||
if (u132->going > 1) {
|
||||
dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
|
||||
, u132->going);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_forget_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (endp->dequeueing) {
|
||||
endp->dequeueing = 0;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
|
||||
return;
|
||||
} else if (u132->going > 0) {
|
||||
dev_err(&u132->platform_dev->dev, "device is being removed "
|
||||
"urb=%p\n", urb);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
|
||||
return;
|
||||
} else if (!urb->unlinked) {
|
||||
int retval;
|
||||
struct u132_ring *ring = endp->ring;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = usb_ftdi_elan_edset_input(u132->platform_dev,
|
||||
ring->number, endp, urb, address, endp->usb_endp, 0,
|
||||
u132_hcd_initial_input_recv);
|
||||
|
@ -1292,7 +1292,7 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
|
|||
} else {
|
||||
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
|
||||
"unlinked=%d\n", urb, urb->unlinked);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_hcd_giveback_urb(u132, endp, urb, 0);
|
||||
return;
|
||||
}
|
||||
|
@ -1307,9 +1307,9 @@ static void u132_hcd_ring_work_scheduler(struct work_struct *work)
|
|||
struct u132_ring *ring =
|
||||
container_of(work, struct u132_ring, scheduler.work);
|
||||
struct u132 *u132 = ring->u132;
|
||||
down(&u132->scheduler_lock);
|
||||
mutex_lock(&u132->scheduler_lock);
|
||||
if (ring->in_use) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_ring_put_kref(u132, ring);
|
||||
return;
|
||||
} else if (ring->curr_endp) {
|
||||
|
@ -1326,7 +1326,7 @@ static void u132_hcd_ring_work_scheduler(struct work_struct *work)
|
|||
ring->curr_endp = endp;
|
||||
u132_endp_cancel_work(u132, last_endp);
|
||||
u132_endp_queue_work(u132, last_endp, 0);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_ring_put_kref(u132, ring);
|
||||
return;
|
||||
} else {
|
||||
|
@ -1340,7 +1340,7 @@ static void u132_hcd_ring_work_scheduler(struct work_struct *work)
|
|||
last_endp->jiffies)) {
|
||||
u132_endp_cancel_work(u132, last_endp);
|
||||
u132_endp_queue_work(u132, last_endp, 0);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_ring_put_kref(u132, ring);
|
||||
return;
|
||||
} else {
|
||||
|
@ -1350,15 +1350,15 @@ static void u132_hcd_ring_work_scheduler(struct work_struct *work)
|
|||
}
|
||||
if (wakeup > 0) {
|
||||
u132_ring_requeue_work(u132, ring, wakeup);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
return;
|
||||
} else {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_ring_put_kref(u132, ring);
|
||||
return;
|
||||
}
|
||||
} else {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_ring_put_kref(u132, ring);
|
||||
return;
|
||||
}
|
||||
|
@ -1370,32 +1370,32 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
struct u132_endp *endp =
|
||||
container_of(work, struct u132_endp, scheduler.work);
|
||||
struct u132 *u132 = endp->u132;
|
||||
down(&u132->scheduler_lock);
|
||||
mutex_lock(&u132->scheduler_lock);
|
||||
ring = endp->ring;
|
||||
if (endp->edset_flush) {
|
||||
endp->edset_flush = 0;
|
||||
if (endp->dequeueing)
|
||||
usb_ftdi_elan_edset_flush(u132->platform_dev,
|
||||
ring->number, endp);
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_endp_put_kref(u132, endp);
|
||||
return;
|
||||
} else if (endp->active) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_endp_put_kref(u132, endp);
|
||||
return;
|
||||
} else if (ring->in_use) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_endp_put_kref(u132, endp);
|
||||
return;
|
||||
} else if (endp->queue_next == endp->queue_last) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_endp_put_kref(u132, endp);
|
||||
return;
|
||||
} else if (endp->pipetype == PIPE_INTERRUPT) {
|
||||
u8 address = u132->addr[endp->usb_addr].address;
|
||||
if (ring->in_use) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_endp_put_kref(u132, endp);
|
||||
return;
|
||||
} else {
|
||||
|
@ -1405,7 +1405,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
endp->active = 1;
|
||||
ring->curr_endp = endp;
|
||||
ring->in_use = 1;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = edset_single(u132, ring, endp, urb, address,
|
||||
endp->toggle_bits, u132_hcd_interrupt_recv);
|
||||
if (retval != 0)
|
||||
|
@ -1415,7 +1415,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
} else if (endp->pipetype == PIPE_CONTROL) {
|
||||
u8 address = u132->addr[endp->usb_addr].address;
|
||||
if (ring->in_use) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_endp_put_kref(u132, endp);
|
||||
return;
|
||||
} else if (address == 0) {
|
||||
|
@ -1425,7 +1425,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
endp->active = 1;
|
||||
ring->curr_endp = endp;
|
||||
ring->in_use = 1;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = edset_setup(u132, ring, endp, urb, address,
|
||||
0x2, u132_hcd_initial_setup_sent);
|
||||
if (retval != 0)
|
||||
|
@ -1438,7 +1438,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
endp->active = 1;
|
||||
ring->curr_endp = endp;
|
||||
ring->in_use = 1;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = edset_setup(u132, ring, endp, urb, 0, 0x2,
|
||||
u132_hcd_enumeration_address_sent);
|
||||
if (retval != 0)
|
||||
|
@ -1452,7 +1452,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
endp->active = 1;
|
||||
ring->curr_endp = endp;
|
||||
ring->in_use = 1;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = edset_setup(u132, ring, endp, urb, address,
|
||||
0x2, u132_hcd_configure_setup_sent);
|
||||
if (retval != 0)
|
||||
|
@ -1463,7 +1463,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
if (endp->input) {
|
||||
u8 address = u132->addr[endp->usb_addr].address;
|
||||
if (ring->in_use) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_endp_put_kref(u132, endp);
|
||||
return;
|
||||
} else {
|
||||
|
@ -1473,7 +1473,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
endp->active = 1;
|
||||
ring->curr_endp = endp;
|
||||
ring->in_use = 1;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = edset_input(u132, ring, endp, urb,
|
||||
address, endp->toggle_bits,
|
||||
u132_hcd_bulk_input_recv);
|
||||
|
@ -1486,7 +1486,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
} else { /* output pipe */
|
||||
u8 address = u132->addr[endp->usb_addr].address;
|
||||
if (ring->in_use) {
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
u132_endp_put_kref(u132, endp);
|
||||
return;
|
||||
} else {
|
||||
|
@ -1496,7 +1496,7 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
|
|||
endp->active = 1;
|
||||
ring->curr_endp = endp;
|
||||
ring->in_use = 1;
|
||||
up(&u132->scheduler_lock);
|
||||
mutex_unlock(&u132->scheduler_lock);
|
||||
retval = edset_output(u132, ring, endp, urb,
|
||||
address, endp->toggle_bits,
|
||||
u132_hcd_bulk_output_sent);
|
||||
|
@ -3085,7 +3085,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
|
|||
u132->power = 0;
|
||||
u132->reset = 0;
|
||||
mutex_init(&u132->sw_lock);
|
||||
init_MUTEX(&u132->scheduler_lock);
|
||||
mutex_init(&u132->scheduler_lock);
|
||||
while (rings-- > 0) {
|
||||
struct u132_ring *ring = &u132->ring[rings];
|
||||
ring->u132 = u132;
|
||||
|
|
Loading…
Reference in a new issue