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path: root/drivers/usb/misc/ftdi-elan.c
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Diffstat (limited to 'drivers/usb/misc/ftdi-elan.c')
-rw-r--r--drivers/usb/misc/ftdi-elan.c106
1 files changed, 31 insertions, 75 deletions
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 9b591b8b936..18b1925032a 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -156,9 +156,9 @@ struct usb_ftdi {
struct usb_device *udev;
struct usb_interface *interface;
struct usb_class_driver *class;
- struct work_struct status_work;
- struct work_struct command_work;
- struct work_struct respond_work;
+ struct delayed_work status_work;
+ struct delayed_work command_work;
+ struct delayed_work respond_work;
struct u132_platform_data platform_data;
struct resource resources[0];
struct platform_device platform_dev;
@@ -210,23 +210,14 @@ static void ftdi_elan_init_kref(struct usb_ftdi *ftdi)
static void ftdi_status_requeue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(status_queue, &ftdi->status_work, delta))
- return;
- } else if (queue_work(status_queue, &ftdi->status_work))
- return;
- kref_put(&ftdi->kref, ftdi_elan_delete);
- return;
+ if (!queue_delayed_work(status_queue, &ftdi->status_work, delta))
+ kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_status_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(status_queue, &ftdi->status_work, delta))
- kref_get(&ftdi->kref);
- } else if (queue_work(status_queue, &ftdi->status_work))
- kref_get(&ftdi->kref);
- return;
+ if (queue_delayed_work(status_queue, &ftdi->status_work, delta))
+ kref_get(&ftdi->kref);
}
static void ftdi_status_cancel_work(struct usb_ftdi *ftdi)
@@ -237,25 +228,14 @@ static void ftdi_status_cancel_work(struct usb_ftdi *ftdi)
static void ftdi_command_requeue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(command_queue, &ftdi->command_work,
- delta))
- return;
- } else if (queue_work(command_queue, &ftdi->command_work))
- return;
- kref_put(&ftdi->kref, ftdi_elan_delete);
- return;
+ if (!queue_delayed_work(command_queue, &ftdi->command_work, delta))
+ kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_command_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(command_queue, &ftdi->command_work,
- delta))
- kref_get(&ftdi->kref);
- } else if (queue_work(command_queue, &ftdi->command_work))
- kref_get(&ftdi->kref);
- return;
+ if (queue_delayed_work(command_queue, &ftdi->command_work, delta))
+ kref_get(&ftdi->kref);
}
static void ftdi_command_cancel_work(struct usb_ftdi *ftdi)
@@ -267,25 +247,14 @@ static void ftdi_command_cancel_work(struct usb_ftdi *ftdi)
static void ftdi_response_requeue_work(struct usb_ftdi *ftdi,
unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(respond_queue, &ftdi->respond_work,
- delta))
- return;
- } else if (queue_work(respond_queue, &ftdi->respond_work))
- return;
- kref_put(&ftdi->kref, ftdi_elan_delete);
- return;
+ if (!queue_delayed_work(respond_queue, &ftdi->respond_work, delta))
+ kref_put(&ftdi->kref, ftdi_elan_delete);
}
static void ftdi_respond_queue_work(struct usb_ftdi *ftdi, unsigned int delta)
{
- if (delta > 0) {
- if (queue_delayed_work(respond_queue, &ftdi->respond_work,
- delta))
- kref_get(&ftdi->kref);
- } else if (queue_work(respond_queue, &ftdi->respond_work))
- kref_get(&ftdi->kref);
- return;
+ if (queue_delayed_work(respond_queue, &ftdi->respond_work, delta))
+ kref_get(&ftdi->kref);
}
static void ftdi_response_cancel_work(struct usb_ftdi *ftdi)
@@ -303,7 +272,7 @@ void ftdi_elan_gone_away(struct platform_device *pdev)
EXPORT_SYMBOL_GPL(ftdi_elan_gone_away);
-void ftdi_release_platform_dev(struct device *dev)
+static void ftdi_release_platform_dev(struct device *dev)
{
dev->parent = NULL;
}
@@ -475,9 +444,11 @@ static void ftdi_elan_kick_command_queue(struct usb_ftdi *ftdi)
return;
}
-static void ftdi_elan_command_work(void *data)
+static void ftdi_elan_command_work(struct work_struct *work)
{
- struct usb_ftdi *ftdi = data;
+ struct usb_ftdi *ftdi =
+ container_of(work, struct usb_ftdi, command_work.work);
+
if (ftdi->disconnected > 0) {
ftdi_elan_put_kref(ftdi);
return;
@@ -500,9 +471,10 @@ static void ftdi_elan_kick_respond_queue(struct usb_ftdi *ftdi)
return;
}
-static void ftdi_elan_respond_work(void *data)
+static void ftdi_elan_respond_work(struct work_struct *work)
{
- struct usb_ftdi *ftdi = data;
+ struct usb_ftdi *ftdi =
+ container_of(work, struct usb_ftdi, respond_work.work);
if (ftdi->disconnected > 0) {
ftdi_elan_put_kref(ftdi);
return;
@@ -534,9 +506,10 @@ static void ftdi_elan_respond_work(void *data)
* after the FTDI has been synchronized
*
*/
-static void ftdi_elan_status_work(void *data)
+static void ftdi_elan_status_work(struct work_struct *work)
{
- struct usb_ftdi *ftdi = data;
+ struct usb_ftdi *ftdi =
+ container_of(work, struct usb_ftdi, status_work.work);
int work_delay_in_msec = 0;
if (ftdi->disconnected > 0) {
ftdi_elan_put_kref(ftdi);
@@ -1426,14 +1399,6 @@ static int ftdi_elan_read_reg(struct usb_ftdi *ftdi, u32 *data)
}
}
-int usb_ftdi_elan_read_reg(struct platform_device *pdev, u32 *data)
-{
- struct usb_ftdi *ftdi = platform_device_to_usb_ftdi(pdev);
- return ftdi_elan_read_reg(ftdi, data);
-}
-
-
-EXPORT_SYMBOL_GPL(usb_ftdi_elan_read_reg);
static int ftdi_elan_read_config(struct usb_ftdi *ftdi, int config_offset,
u8 width, u32 *data)
{
@@ -2633,10 +2598,7 @@ static int ftdi_elan_probe(struct usb_interface *interface,
for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {
endpoint = &iface_desc->endpoint[i].desc;
if (!ftdi->bulk_in_endpointAddr &&
- ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
- == USB_DIR_IN) && ((endpoint->bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK))
- {
+ usb_endpoint_is_bulk_in(endpoint)) {
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
ftdi->bulk_in_size = buffer_size;
ftdi->bulk_in_endpointAddr = endpoint->bEndpointAddress;
@@ -2649,10 +2611,7 @@ static int ftdi_elan_probe(struct usb_interface *interface,
}
}
if (!ftdi->bulk_out_endpointAddr &&
- ((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
- == USB_DIR_OUT) && ((endpoint->bmAttributes &
- USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_BULK))
- {
+ usb_endpoint_is_bulk_out(endpoint)) {
ftdi->bulk_out_endpointAddr =
endpoint->bEndpointAddress;
}
@@ -2691,12 +2650,9 @@ static int ftdi_elan_probe(struct usb_interface *interface,
ftdi->class = NULL;
dev_info(&ftdi->udev->dev, "USB FDTI=%p ELAN interface %d now a"
"ctivated\n", ftdi, iface_desc->desc.bInterfaceNumber);
- INIT_WORK(&ftdi->status_work, ftdi_elan_status_work,
- (void *)ftdi);
- INIT_WORK(&ftdi->command_work, ftdi_elan_command_work,
- (void *)ftdi);
- INIT_WORK(&ftdi->respond_work, ftdi_elan_respond_work,
- (void *)ftdi);
+ INIT_DELAYED_WORK(&ftdi->status_work, ftdi_elan_status_work);
+ INIT_DELAYED_WORK(&ftdi->command_work, ftdi_elan_command_work);
+ INIT_DELAYED_WORK(&ftdi->respond_work, ftdi_elan_respond_work);
ftdi_status_queue_work(ftdi, msecs_to_jiffies(3 *1000));
return 0;
} else {
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-31 13:06:56 +0000