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path: root/drivers/usb/host/u132-hcd.c
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Diffstat (limited to 'drivers/usb/host/u132-hcd.c')
-rw-r--r--drivers/usb/host/u132-hcd.c390
1 files changed, 227 insertions, 163 deletions
diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index e98df2ee990..ac283b09a63 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -51,7 +51,7 @@
#include <linux/usb.h>
#include <linux/workqueue.h>
#include <linux/platform_device.h>
-#include <linux/pci_ids.h>
+#include <linux/mutex.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/system.h>
@@ -83,7 +83,7 @@ static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait);
* u132_module_lock exists to protect access to global variables
*
*/
-static struct semaphore u132_module_lock;
+static struct mutex u132_module_lock;
static int u132_exiting = 0;
static int u132_instances = 0;
static struct list_head u132_static_list;
@@ -183,7 +183,7 @@ struct u132_ring {
struct u132 {
struct kref kref;
struct list_head u132_list;
- struct semaphore sw_lock;
+ struct mutex sw_lock;
struct semaphore scheduler_lock;
struct u132_platform_data *board;
struct platform_device *platform_dev;
@@ -258,10 +258,10 @@ static void u132_hcd_delete(struct kref *kref)
struct platform_device *pdev = u132->platform_dev;
struct usb_hcd *hcd = u132_to_hcd(u132);
u132->going += 1;
- down(&u132_module_lock);
+ mutex_lock(&u132_module_lock);
list_del_init(&u132->u132_list);
u132_instances -= 1;
- up(&u132_module_lock);
+ mutex_unlock(&u132_module_lock);
dev_warn(&u132->platform_dev->dev, "FREEING the hcd=%p and thus the u13"
"2=%p going=%d pdev=%p\n", hcd, u132, u132->going, pdev);
usb_put_hcd(hcd);
@@ -492,20 +492,20 @@ static void u132_hcd_monitor_work(struct work_struct *work)
return;
} else {
int retval;
- down(&u132->sw_lock);
+ mutex_lock(&u132->sw_lock);
retval = read_roothub_info(u132);
if (retval) {
struct usb_hcd *hcd = u132_to_hcd(u132);
u132_disable(u132);
u132->going = 1;
- up(&u132->sw_lock);
+ mutex_unlock(&u132->sw_lock);
usb_hc_died(hcd);
ftdi_elan_gone_away(u132->platform_dev);
u132_monitor_put_kref(u132);
return;
} else {
u132_monitor_requeue_work(u132, 500);
- up(&u132->sw_lock);
+ mutex_unlock(&u132->sw_lock);
return;
}
}
@@ -518,9 +518,8 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
unsigned long irqs;
struct usb_hcd *hcd = u132_to_hcd(u132);
urb->error_count = 0;
- urb->status = status;
- urb->hcpriv = NULL;
spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
endp->queue_next += 1;
if (ENDP_QUEUE_SIZE > --endp->queue_size) {
endp->active = 0;
@@ -542,7 +541,7 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
u132_ring_queue_work(u132, ring, 0);
up(&u132->scheduler_lock);
u132_endp_put_kref(u132, endp);
- usb_hcd_giveback_urb(hcd, urb);
+ usb_hcd_giveback_urb(hcd, urb, status);
return;
}
@@ -558,9 +557,8 @@ static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
unsigned long irqs;
struct usb_hcd *hcd = u132_to_hcd(u132);
urb->error_count = 0;
- urb->status = status;
- urb->hcpriv = NULL;
spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
endp->queue_next += 1;
if (ENDP_QUEUE_SIZE > --endp->queue_size) {
endp->active = 0;
@@ -575,7 +573,7 @@ static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
endp->active = 0;
spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
kfree(urbq);
- } usb_hcd_giveback_urb(hcd, urb);
+ } usb_hcd_giveback_urb(hcd, urb, status);
return;
}
@@ -645,12 +643,12 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
struct u132_ring *ring = endp->ring;
u8 *u = urb->transfer_buffer + urb->actual_length;
u8 *b = buf;
@@ -716,10 +714,10 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
return;
}
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -744,12 +742,12 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
struct u132_ring *ring = endp->ring;
urb->actual_length += len;
endp->toggle_bits = toggle_bits;
@@ -768,10 +766,10 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
return;
}
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -797,12 +795,12 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
struct u132_ring *ring = endp->ring;
u8 *u = urb->transfer_buffer + urb->actual_length;
u8 *b = buf;
@@ -871,10 +869,10 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
return;
}
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -898,20 +896,20 @@ static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -936,12 +934,12 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
struct u132_ring *ring = endp->ring;
u8 *u = urb->transfer_buffer;
u8 *b = buf;
@@ -980,10 +978,10 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
return;
}
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1007,20 +1005,20 @@ static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1045,12 +1043,12 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
if (usb_pipein(urb->pipe)) {
int retval;
struct u132_ring *ring = endp->ring;
@@ -1077,10 +1075,10 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
return;
}
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1106,22 +1104,22 @@ static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
u132->addr[0].address = 0;
endp->usb_addr = udev->usb_addr;
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1145,12 +1143,12 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
int retval;
struct u132_ring *ring = endp->ring;
up(&u132->scheduler_lock);
@@ -1162,10 +1160,10 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
u132_hcd_giveback_urb(u132, endp, urb, retval);
return;
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1189,20 +1187,20 @@ static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1227,12 +1225,12 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
int retval;
struct u132_ring *ring = endp->ring;
u8 *u = urb->transfer_buffer;
@@ -1251,10 +1249,10 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
u132_hcd_giveback_urb(u132, endp, urb, retval);
return;
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1279,12 +1277,12 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
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 status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
return;
- } else if (urb->status == -EINPROGRESS) {
+ } else if (!urb->unlinked) {
int retval;
struct u132_ring *ring = endp->ring;
up(&u132->scheduler_lock);
@@ -1296,10 +1294,10 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
u132_hcd_giveback_urb(u132, endp, urb, retval);
return;
} else {
- dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
- "s=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+ "unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
- u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+ u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1519,12 +1517,15 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
}
}
}
+#ifdef CONFIG_PM
static void port_power(struct u132 *u132, int pn, int is_on)
{
u132->port[pn].power = is_on;
}
+#endif
+
static void u132_power(struct u132 *u132, int is_on)
{
struct usb_hcd *hcd = u132_to_hcd(u132)
@@ -1801,10 +1802,10 @@ static void u132_hcd_stop(struct usb_hcd *hcd)
dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov"
"ed\n", hcd);
} else {
- down(&u132->sw_lock);
+ mutex_lock(&u132->sw_lock);
msleep(100);
u132_power(u132, 0);
- up(&u132->sw_lock);
+ mutex_unlock(&u132->sw_lock);
}
}
@@ -1826,7 +1827,7 @@ static int u132_hcd_start(struct usb_hcd *hcd)
(pdev->dev.platform_data))->vendor;
u16 device = ((struct u132_platform_data *)
(pdev->dev.platform_data))->device;
- down(&u132->sw_lock);
+ mutex_lock(&u132->sw_lock);
msleep(10);
if (vendor == PCI_VENDOR_ID_AMD && device == 0x740c) {
u132->flags = OHCI_QUIRK_AMD756;
@@ -1841,7 +1842,7 @@ static int u132_hcd_start(struct usb_hcd *hcd)
u132->going = 1;
}
msleep(100);
- up(&u132->sw_lock);
+ mutex_unlock(&u132->sw_lock);
return retval;
} else {
dev_err(&u132->platform_dev->dev, "platform_device missing\n");
@@ -1861,32 +1862,44 @@ static int u132_hcd_reset(struct usb_hcd *hcd)
return -ESHUTDOWN;
} else {
int retval;
- down(&u132->sw_lock);
+ mutex_lock(&u132->sw_lock);
retval = u132_init(u132);
if (retval) {
u132_disable(u132);
u132->going = 1;
}
- up(&u132->sw_lock);
+ mutex_unlock(&u132->sw_lock);
return retval;
}
}
static int create_endpoint_and_queue_int(struct u132 *u132,
- struct u132_udev *udev, struct usb_host_endpoint *hep, struct urb *urb,
+ struct u132_udev *udev, struct urb *urb,
struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp, u8 address,
gfp_t mem_flags)
{
struct u132_ring *ring;
unsigned long irqs;
- u8 endp_number = ++u132->num_endpoints;
- struct u132_endp *endp = hep->hcpriv = u132->endp[endp_number - 1] =
- kmalloc(sizeof(struct u132_endp), mem_flags);
+ int rc;
+ u8 endp_number;
+ struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
+
if (!endp) {
return -ENOMEM;
}
+
+ spin_lock_init(&endp->queue_lock.slock);
+ spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ rc = usb_hcd_link_urb_to_ep(u132_to_hcd(u132), urb);
+ if (rc) {
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ kfree(endp);
+ return rc;
+ }
+
+ endp_number = ++u132->num_endpoints;
+ urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
- spin_lock_init(&endp->queue_lock.slock);
INIT_LIST_HEAD(&endp->urb_more);
ring = endp->ring = &u132->ring[0];
if (ring->curr_endp) {
@@ -1902,7 +1915,7 @@ static int create_endpoint_and_queue_int(struct u132 *u132,
endp->delayed = 0;
endp->endp_number = endp_number;
endp->u132 = u132;
- endp->hep = hep;
+ endp->hep = urb->ep;
endp->pipetype = usb_pipetype(urb->pipe);
u132_endp_init_kref(u132, endp);
if (usb_pipein(urb->pipe)) {
@@ -1921,7 +1934,6 @@ static int create_endpoint_and_queue_int(struct u132 *u132,
u132_udev_get_kref(u132, udev);
}
urb->hcpriv = u132;
- spin_lock_irqsave(&endp->queue_lock.slock, irqs);
endp->delayed = 1;
endp->jiffies = jiffies + msecs_to_jiffies(urb->interval);
endp->udev_number = address;
@@ -1936,8 +1948,8 @@ static int create_endpoint_and_queue_int(struct u132 *u132,
return 0;
}
-static int queue_int_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
- struct usb_host_endpoint *hep, struct urb *urb,
+static int queue_int_on_old_endpoint(struct u132 *u132,
+ struct u132_udev *udev, struct urb *urb,
struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
u8 usb_endp, u8 address)
{
@@ -1961,21 +1973,33 @@ static int queue_int_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
}
static int create_endpoint_and_queue_bulk(struct u132 *u132,
- struct u132_udev *udev, struct usb_host_endpoint *hep, struct urb *urb,
+ struct u132_udev *udev, struct urb *urb,
struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp, u8 address,
gfp_t mem_flags)
{
int ring_number;
struct u132_ring *ring;
unsigned long irqs;
- u8 endp_number = ++u132->num_endpoints;
- struct u132_endp *endp = hep->hcpriv = u132->endp[endp_number - 1] =
- kmalloc(sizeof(struct u132_endp), mem_flags);
+ int rc;
+ u8 endp_number;
+ struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
+
if (!endp) {
return -ENOMEM;
}
+
+ spin_lock_init(&endp->queue_lock.slock);
+ spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ rc = usb_hcd_link_urb_to_ep(u132_to_hcd(u132), urb);
+ if (rc) {
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ kfree(endp);
+ return rc;
+ }
+
+ endp_number = ++u132->num_endpoints;
+ urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
- spin_lock_init(&endp->queue_lock.slock);
INIT_LIST_HEAD(&endp->urb_more);
endp->dequeueing = 0;
endp->edset_flush = 0;
@@ -1983,7 +2007,7 @@ static int create_endpoint_and_queue_bulk(struct u132 *u132,
endp->delayed = 0;
endp->endp_number = endp_number;
endp->u132 = u132;
- endp->hep = hep;
+ endp->hep = urb->ep;
endp->pipetype = usb_pipetype(urb->pipe);
u132_endp_init_kref(u132, endp);
if (usb_pipein(urb->pipe)) {
@@ -2012,7 +2036,6 @@ static int create_endpoint_and_queue_bulk(struct u132 *u132,
}
ring->length += 1;
urb->hcpriv = u132;
- spin_lock_irqsave(&endp->queue_lock.slock, irqs);
endp->udev_number = address;
endp->usb_addr = usb_addr;
endp->usb_endp = usb_endp;
@@ -2026,7 +2049,7 @@ static int create_endpoint_and_queue_bulk(struct u132 *u132,
}
static int queue_bulk_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
- struct usb_host_endpoint *hep, struct urb *urb,
+ struct urb *urb,
struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
u8 usb_endp, u8 address)
{
@@ -2048,19 +2071,32 @@ static int queue_bulk_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
}
static int create_endpoint_and_queue_control(struct u132 *u132,
- struct usb_host_endpoint *hep, struct urb *urb,
+ struct urb *urb,
struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp,
gfp_t mem_flags)
{
struct u132_ring *ring;
- u8 endp_number = ++u132->num_endpoints;
- struct u132_endp *endp = hep->hcpriv = u132->endp[endp_number - 1] =
- kmalloc(sizeof(struct u132_endp), mem_flags);
+ unsigned long irqs;
+ int rc;
+ u8 endp_number;
+ struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
+
if (!endp) {
return -ENOMEM;
}
+
+ spin_lock_init(&endp->queue_lock.slock);
+ spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ rc = usb_hcd_link_urb_to_ep(u132_to_hcd(u132), urb);
+ if (rc) {
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ kfree(endp);
+ return rc;
+ }
+
+ endp_number = ++u132->num_endpoints;
+ urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
- spin_lock_init(&endp->queue_lock.slock);
INIT_LIST_HEAD(&endp->urb_more);
ring = endp->ring = &u132->ring[0];
if (ring->curr_endp) {
@@ -2076,11 +2112,10 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
endp->delayed = 0;
endp->endp_number = endp_number;
endp->u132 = u132;
- endp->hep = hep;
+ endp->hep = urb->ep;
u132_endp_init_kref(u132, endp);
u132_endp_get_kref(u132, endp);
if (usb_addr == 0) {
- unsigned long irqs;
u8 address = u132->addr[usb_addr].address;
struct u132_udev *udev = &u132->udev[address];
endp->udev_number = address;
@@ -2094,7 +2129,6 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
udev->endp_number_in[usb_endp] = endp_number;
udev->endp_number_out[usb_endp] = endp_number;
urb->hcpriv = u132;
- spin_lock_irqsave(&endp->queue_lock.slock, irqs);
endp->queue_size = 1;
endp->queue_last = 0;
endp->queue_next = 0;
@@ -2103,7 +2137,6 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
u132_endp_queue_work(u132, endp, 0);
return 0;
} else { /*(usb_addr > 0) */
- unsigned long irqs;
u8 address = u132->addr[usb_addr].address;
struct u132_udev *udev = &u132->udev[address];
endp->udev_number = address;
@@ -2117,7 +2150,6 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
udev->endp_number_in[usb_endp] = endp_number;
udev->endp_number_out[usb_endp] = endp_number;
urb->hcpriv = u132;
- spin_lock_irqsave(&endp->queue_lock.slock, irqs);
endp->queue_size = 1;
endp->queue_last = 0;
endp->queue_next = 0;
@@ -2129,7 +2161,7 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
}
static int queue_control_on_old_endpoint(struct u132 *u132,
- struct usb_host_endpoint *hep, struct urb *urb,
+ struct urb *urb,
struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
u8 usb_endp)
{
@@ -2229,8 +2261,8 @@ static int queue_control_on_old_endpoint(struct u132 *u132,
}
}
-static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
- struct urb *urb, gfp_t mem_flags)
+static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
+ gfp_t mem_flags)
{
struct u132 *u132 = hcd_to_u132(hcd);
if (irqs_disabled()) {
@@ -2245,8 +2277,8 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
, u132->going);
return -ENODEV;
} else if (u132->going > 0) {
- dev_err(&u132->platform_dev->dev, "device is being removed urb="
- "%p status=%d\n", urb, urb->status);
+ dev_err(&u132->platform_dev->dev, "device is being removed "
+ "urb=%p\n", urb);
return -ESHUTDOWN;
} else {
u8 usb_addr = usb_pipedevice(urb->pipe);
@@ -2255,16 +2287,24 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT) {
u8 address = u132->addr[usb_addr].address;
struct u132_udev *udev = &u132->udev[address];
- struct u132_endp *endp = hep->hcpriv;
+ struct u132_endp *endp = urb->ep->hcpriv;
urb->actual_length = 0;
if (endp) {
unsigned long irqs;
int retval;
spin_lock_irqsave(&endp->queue_lock.slock,
irqs);
- retval = queue_int_on_old_endpoint(u132, udev,
- hep, urb, usb_dev, endp, usb_addr,
- usb_endp, address);
+ retval = usb_hcd_link_urb_to_ep(hcd, urb);
+ if (retval == 0) {
+ retval = queue_int_on_old_endpoint(
+ u132, udev, urb,
+ usb_dev, endp,
+ usb_addr, usb_endp,
+ address);
+ if (retval)
+ usb_hcd_unlink_urb_from_ep(
+ hcd, urb);
+ }
spin_unlock_irqrestore(&endp->queue_lock.slock,
irqs);
if (retval) {
@@ -2279,8 +2319,8 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
return -EINVAL;
} else { /*(endp == NULL) */
return create_endpoint_and_queue_int(u132, udev,
- hep, urb, usb_dev, usb_addr, usb_endp,
- address, mem_flags);
+ urb, usb_dev, usb_addr,
+ usb_endp, address, mem_flags);
}
} else if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
dev_err(&u132->platform_dev->dev, "the hardware does no"
@@ -2289,16 +2329,24 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
} else if (usb_pipetype(urb->pipe) == PIPE_BULK) {
u8 address = u132->addr[usb_addr].address;
struct u132_udev *udev = &u132->udev[address];
- struct u132_endp *endp = hep->hcpriv;
+ struct u132_endp *endp = urb->ep->hcpriv;
urb->actual_length = 0;
if (endp) {
unsigned long irqs;
int retval;
spin_lock_irqsave(&endp->queue_lock.slock,
irqs);
- retval = queue_bulk_on_old_endpoint(u132, udev,
- hep, urb, usb_dev, endp, usb_addr,
- usb_endp, address);
+ retval = usb_hcd_link_urb_to_ep(hcd, urb);
+ if (retval == 0) {
+ retval = queue_bulk_on_old_endpoint(
+ u132, udev, urb,
+ usb_dev, endp,
+ usb_addr, usb_endp,
+ address);
+ if (retval)
+ usb_hcd_unlink_urb_from_ep(
+ hcd, urb);
+ }
spin_unlock_irqrestore(&endp->queue_lock.slock,
irqs);
if (retval) {
@@ -2311,10 +2359,10 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
return -EINVAL;
} else
return create_endpoint_and_queue_bulk(u132,
- udev, hep, urb, usb_dev, usb_addr,
+ udev, urb, usb_dev, usb_addr,
usb_endp, address, mem_flags);
} else {
- struct u132_endp *endp = hep->hcpriv;
+ struct u132_endp *endp = urb->ep->hcpriv;
u16 urb_size = 8;
u8 *b = urb->setup_packet;
int i = 0;
@@ -2337,9 +2385,16 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
int retval;
spin_lock_irqsave(&endp->queue_lock.slock,
irqs);
- retval = queue_control_on_old_endpoint(u132,
- hep, urb, usb_dev, endp, usb_addr,
- usb_endp);
+ retval = usb_hcd_link_urb_to_ep(hcd, urb);
+ if (retval == 0) {
+ retval = queue_control_on_old_endpoint(
+ u132, urb, usb_dev,
+ endp, usb_addr,
+ usb_endp);
+ if (retval)
+ usb_hcd_unlink_urb_from_ep(
+ hcd, urb);
+ }
spin_unlock_irqrestore(&endp->queue_lock.slock,
irqs);
if (retval) {
@@ -2352,7 +2407,7 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
return -EINVAL;
} else
return create_endpoint_and_queue_control(u132,
- hep, urb, usb_dev, usb_addr, usb_endp,
+ urb, usb_dev, usb_addr, usb_endp,
mem_flags);
}
}
@@ -2371,8 +2426,7 @@ static int dequeue_from_overflow_chain(struct u132 *u132,
list_del(scan);
endp->queue_size -= 1;
urb->error_count = 0;
- urb->hcpriv = NULL;
- usb_hcd_giveback_urb(hcd, urb);
+ usb_hcd_giveback_urb(hcd, urb, 0);
return 0;
} else
continue;
@@ -2387,10 +2441,17 @@ static int dequeue_from_overflow_chain(struct u132 *u132,
}
static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
- struct urb *urb)
+ struct urb *urb, int status)
{
unsigned long irqs;
+ int rc;
+
spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+ rc = usb_hcd_check_unlink_urb(u132_to_hcd(u132), urb, status);
+ if (rc) {
+ spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+ return rc;
+ }
if (endp->queue_size == 0) {
dev_err(&u132->platform_dev->dev, "urb=%p not found in endp[%d]"
"=%p ring[%d] %c%c usb_endp=%d usb_addr=%d\n", urb,
@@ -2406,11 +2467,10 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
endp->edset_flush = 1;
u132_endp_queue_work(u132, endp, 0);
spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- urb->hcpriv = NULL;
return 0;
} else {
spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
- u132_hcd_abandon_urb(u132, endp, urb, urb->status);
+ u132_hcd_abandon_urb(u132, endp, urb, status);
return 0;
}
} else {
@@ -2435,6 +2495,8 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
}
if (urb_slot) {
struct usb_hcd *hcd = u132_to_hcd(u132);
+
+ usb_hcd_unlink_urb_from_ep(hcd, urb);
endp->queue_size -= 1;
if (list_empty(&endp->urb_more)) {
spin_unlock_irqrestore(&endp->queue_lock.slock,
@@ -2449,8 +2511,7 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
irqs);
kfree(urbq);
} urb->error_count = 0;
- urb->hcpriv = NULL;
- usb_hcd_giveback_urb(hcd, urb);
+ usb_hcd_giveback_urb(hcd, urb, status);
return 0;
} else if (list_empty(&endp->urb_more)) {
dev_err(&u132->platform_dev->dev, "urb=%p not found in "
@@ -2464,7 +2525,10 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
return -EINVAL;
} else {
- int retval = dequeue_from_overflow_chain(u132, endp,
+ int retval;
+
+ usb_hcd_unlink_urb_from_ep(u132_to_hcd(u132), urb);
+ retval = dequeue_from_overflow_chain(u132, endp,
urb);
spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
return retval;
@@ -2472,7 +2536,7 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
}
}
-static int u132_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
+static int u132_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
{
struct u132 *u132 = hcd_to_u132(hcd);
if (u132->going > 2) {
@@ -2487,11 +2551,11 @@ static int u132_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
if (usb_pipein(urb->pipe)) {
u8 endp_number = udev->endp_number_in[usb_endp];
struct u132_endp *endp = u132->endp[endp_number - 1];
- return u132_endp_urb_dequeue(u132, endp, urb);
+ return u132_endp_urb_dequeue(u132, endp, urb, status);
} else {
u8 endp_number = udev->endp_number_out[usb_endp];
struct u132_endp *endp = u132->endp[endp_number - 1];
- return u132_endp_urb_dequeue(u132, endp, urb);
+ return u132_endp_urb_dequeue(u132, endp, urb, status);
}
}
}
@@ -2801,7 +2865,7 @@ static int u132_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
return -ESHUTDOWN;
} else {
int retval = 0;
- down(&u132->sw_lock);
+ mutex_lock(&u132->sw_lock);
switch (typeReq) {
case ClearHubFeature:
switch (wValue) {
@@ -2864,7 +2928,7 @@ static int u132_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
stall:retval = -EPIPE;
break;
}
- up(&u132->sw_lock);
+ mutex_unlock(&u132->sw_lock);
return retval;
}
}
@@ -3000,7 +3064,7 @@ static int __devexit u132_remove(struct platform_device *pdev)
dev_err(&u132->platform_dev->dev, "removing device u132"
".%d\n", u132->sequence_num);
msleep(100);
- down(&u132->sw_lock);
+ mutex_lock(&u132->sw_lock);
u132_monitor_cancel_work(u132);
while (rings-- > 0) {
struct u132_ring *ring = &u132->ring[rings];
@@ -3013,7 +3077,7 @@ static int __devexit u132_remove(struct platform_device *pdev)
u132->going += 1;
printk(KERN_INFO "removing device u132.%d\n",
u132->sequence_num);
- up(&u132->sw_lock);
+ mutex_unlock(&u132->sw_lock);
usb_remove_hcd(hcd);
u132_u132_put_kref(u132);
return 0;
@@ -3033,7 +3097,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
u132->platform_dev = pdev;
u132->power = 0;
u132->reset = 0;
- init_MUTEX(&u132->sw_lock);
+ mutex_init(&u132->sw_lock);
init_MUTEX(&u132->scheduler_lock);
while (rings-- > 0) {
struct u132_ring *ring = &u132->ring[rings];
@@ -3043,7 +3107,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
ring->curr_endp = NULL;
INIT_DELAYED_WORK(&ring->scheduler,
u132_hcd_ring_work_scheduler);
- } down(&u132->sw_lock);
+ } mutex_lock(&u132->sw_lock);
INIT_DELAYED_WORK(&u132->monitor, u132_hcd_monitor_work);
while (ports-- > 0) {
struct u132_port *port = &u132->port[ports];
@@ -3073,7 +3137,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
while (endps-- > 0) {
u132->endp[endps] = NULL;
}
- up(&u132->sw_lock);
+ mutex_unlock(&u132->sw_lock);
return;
}
@@ -3111,10 +3175,10 @@ static int __devinit u132_probe(struct platform_device *pdev)
int retval = 0;
struct u132 *u132 = hcd_to_u132(hcd);
hcd->rsrc_start = 0;
- down(&u132_module_lock);
+ mutex_lock(&u132_module_lock);
list_add_tail(&u132->u132_list, &u132_static_list);
u132->sequence_num = ++u132_instances;
- up(&u132_module_lock);
+ mutex_unlock(&u132_module_lock);
u132_u132_init_kref(u132);
u132_initialise(u132, pdev);
hcd->product_desc = "ELAN U132 Host Controller";
@@ -3216,7 +3280,7 @@ static int __init u132_hcd_init(void)
INIT_LIST_HEAD(&u132_static_list);
u132_instances = 0;
u132_exiting = 0;
- init_MUTEX(&u132_module_lock);
+ mutex_init(&u132_module_lock);
if (usb_disabled())
return -ENODEV;
printk(KERN_INFO "driver %s built at %s on %s\n", hcd_name, __TIME__,
@@ -3232,9 +3296,9 @@ static void __exit u132_hcd_exit(void)
{
struct u132 *u132;
struct u132 *temp;
- down(&u132_module_lock);
+ mutex_lock(&u132_module_lock);
u132_exiting += 1;
- up(&u132_module_lock);
+ mutex_unlock(&u132_module_lock);
list_for_each_entry_safe(u132, temp, &u132_static_list, u132_list) {
platform_device_unregister(u132->platform_dev);
} platform_driver_unregister(&u132_platform_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-16 13:42:33 +0000