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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.c76
1 files changed, 29 insertions, 47 deletions
diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index 32c635ecbf3..a9d7119e317 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -71,7 +71,7 @@ static int distrust_firmware = 1;
module_param(distrust_firmware, bool, 0);
MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurren"
"t setup");
-DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait);
+static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait);
/*
* u132_module_lock exists to protect access to global variables
*
@@ -163,7 +163,7 @@ struct u132_endp {
u16 queue_next;
struct urb *urb_list[ENDP_QUEUE_SIZE];
struct list_head urb_more;
- struct work_struct scheduler;
+ struct delayed_work scheduler;
};
struct u132_ring {
unsigned in_use:1;
@@ -171,7 +171,7 @@ struct u132_ring {
u8 number;
struct u132 *u132;
struct u132_endp *curr_endp;
- struct work_struct scheduler;
+ struct delayed_work scheduler;
};
#define OHCI_QUIRK_AMD756 0x01
#define OHCI_QUIRK_SUPERIO 0x02
@@ -198,20 +198,16 @@ struct u132 {
u32 hc_roothub_portstatus[MAX_ROOT_PORTS];
int flags;
unsigned long next_statechange;
- struct work_struct monitor;
+ struct delayed_work monitor;
int num_endpoints;
struct u132_addr addr[MAX_U132_ADDRS];
struct u132_udev udev[MAX_U132_UDEVS];
struct u132_port port[MAX_U132_PORTS];
struct u132_endp *endp[MAX_U132_ENDPS];
};
-int usb_ftdi_elan_read_reg(struct platform_device *pdev, u32 *data);
-int usb_ftdi_elan_read_pcimem(struct platform_device *pdev, u8 addressofs,
- u8 width, u32 *data);
-int usb_ftdi_elan_write_pcimem(struct platform_device *pdev, u8 addressofs,
- u8 width, u32 data);
+
/*
-* these can not be inlines because we need the structure offset!!
+* these cannot be inlines because we need the structure offset!!
* Does anyone have a better way?????
*/
#define u132_read_pcimem(u132, member, data) \
@@ -314,7 +310,7 @@ static void u132_ring_requeue_work(struct u132 *u132, struct u132_ring *ring,
if (delta > 0) {
if (queue_delayed_work(workqueue, &ring->scheduler, delta))
return;
- } else if (queue_work(workqueue, &ring->scheduler))
+ } else if (queue_delayed_work(workqueue, &ring->scheduler, 0))
return;
kref_put(&u132->kref, u132_hcd_delete);
return;
@@ -393,12 +389,8 @@ static inline void u132_endp_init_kref(struct u132 *u132,
static void u132_endp_queue_work(struct u132 *u132, struct u132_endp *endp,
unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(workqueue, &endp->scheduler, delta))
- kref_get(&endp->kref);
- } else if (queue_work(workqueue, &endp->scheduler))
- kref_get(&endp->kref);
- return;
+ if (queue_delayed_work(workqueue, &endp->scheduler, delta))
+ kref_get(&endp->kref);
}
static void u132_endp_cancel_work(struct u132 *u132, struct u132_endp *endp)
@@ -414,24 +406,14 @@ static inline void u132_monitor_put_kref(struct u132 *u132)
static void u132_monitor_queue_work(struct u132 *u132, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(workqueue, &u132->monitor, delta)) {
- kref_get(&u132->kref);
- }
- } else if (queue_work(workqueue, &u132->monitor))
- kref_get(&u132->kref);
- return;
+ if (queue_delayed_work(workqueue, &u132->monitor, delta))
+ kref_get(&u132->kref);
}
static void u132_monitor_requeue_work(struct u132 *u132, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(workqueue, &u132->monitor, delta))
- return;
- } else if (queue_work(workqueue, &u132->monitor))
- return;
- kref_put(&u132->kref, u132_hcd_delete);
- return;
+ if (!queue_delayed_work(workqueue, &u132->monitor, delta))
+ kref_put(&u132->kref, u132_hcd_delete);
}
static void u132_monitor_cancel_work(struct u132 *u132)
@@ -493,9 +475,9 @@ static int read_roothub_info(struct u132 *u132)
return 0;
}
-static void u132_hcd_monitor_work(void *data)
+static void u132_hcd_monitor_work(struct work_struct *work)
{
- struct u132 *u132 = data;
+ struct u132 *u132 = container_of(work, struct u132, monitor.work);
if (u132->going > 1) {
dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
, u132->going);
@@ -1319,15 +1301,14 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
}
}
-static void u132_hcd_ring_work_scheduler(void *data);
-static void u132_hcd_endp_work_scheduler(void *data);
/*
* this work function is only executed from the work queue
*
*/
-static void u132_hcd_ring_work_scheduler(void *data)
+static void u132_hcd_ring_work_scheduler(struct work_struct *work)
{
- struct u132_ring *ring = data;
+ struct u132_ring *ring =
+ container_of(work, struct u132_ring, scheduler.work);
struct u132 *u132 = ring->u132;
down(&u132->scheduler_lock);
if (ring->in_use) {
@@ -1386,10 +1367,11 @@ static void u132_hcd_ring_work_scheduler(void *data)
}
}
-static void u132_hcd_endp_work_scheduler(void *data)
+static void u132_hcd_endp_work_scheduler(struct work_struct *work)
{
struct u132_ring *ring;
- struct u132_endp *endp = data;
+ struct u132_endp *endp =
+ container_of(work, struct u132_endp, scheduler.work);
struct u132 *u132 = endp->u132;
down(&u132->scheduler_lock);
ring = endp->ring;
@@ -1947,7 +1929,7 @@ static int create_endpoint_and_queue_int(struct u132 *u132,
if (!endp) {
return -ENOMEM;
}
- INIT_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler, (void *)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];
@@ -2036,7 +2018,7 @@ static int create_endpoint_and_queue_bulk(struct u132 *u132,
if (!endp) {
return -ENOMEM;
}
- INIT_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler, (void *)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;
@@ -2121,7 +2103,7 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
if (!endp) {
return -ENOMEM;
}
- INIT_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler, (void *)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];
@@ -3045,7 +3027,7 @@ static struct hc_driver u132_hc_driver = {
* This function may be called by the USB core whilst the "usb_all_devices_rwsem"
* is held for writing, thus this module must not call usb_remove_hcd()
* synchronously - but instead should immediately stop activity to the
-* device and ansynchronously call usb_remove_hcd()
+* device and asynchronously call usb_remove_hcd()
*/
static int __devexit u132_remove(struct platform_device *pdev)
{
@@ -3100,10 +3082,10 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
ring->number = rings + 1;
ring->length = 0;
ring->curr_endp = NULL;
- INIT_WORK(&ring->scheduler, u132_hcd_ring_work_scheduler,
- (void *)ring);
+ INIT_DELAYED_WORK(&ring->scheduler,
+ u132_hcd_ring_work_scheduler);
} down(&u132->sw_lock);
- INIT_WORK(&u132->monitor, u132_hcd_monitor_work, (void *)u132);
+ INIT_DELAYED_WORK(&u132->monitor, u132_hcd_monitor_work);
while (ports-- > 0) {
struct u132_port *port = &u132->port[ports];
port->u132 = u132;
@@ -3241,7 +3223,7 @@ static int u132_resume(struct platform_device *pdev)
#define u132_resume NULL
#endif
/*
-* this driver is loaded explicitely by ftdi_u132
+* this driver is loaded explicitly by ftdi_u132
*
* the platform_driver struct is static because it is per type of module
*/
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 06:10:46 +0000