* This is a driver for the USB PhidgetInterfaceKit.
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/usb.h>
+#include "phidget.h"
+
#define DRIVER_AUTHOR "Sean Young <sean@mess.org>"
#define DRIVER_DESC "USB PhidgetInterfaceKit Driver"
int inputs;
int outputs;
int has_lcd;
+ int amnesiac;
};
-#define ifkit(_sensors, _inputs, _outputs, _lcd) \
-static struct driver_interfacekit ph_##_sensors##_inputs##_outputs = { \
+
+#define ifkit(_sensors, _inputs, _outputs, _lcd, _amnesiac) \
+{ \
.sensors = _sensors, \
.inputs = _inputs, \
.outputs = _outputs, \
.has_lcd = _lcd, \
+ .amnesiac = _amnesiac \
};
-ifkit(0, 0, 4, 0);
-ifkit(8, 8, 8, 0);
-ifkit(0, 4, 7, 1);
-ifkit(8, 8, 4, 0);
-ifkit(0, 8, 8, 1);
-ifkit(0, 16, 16, 0);
+
+static const struct driver_interfacekit ph_004 = ifkit(0, 0, 4, 0, 0);
+static const struct driver_interfacekit ph_888n = ifkit(8, 8, 8, 0, 1);
+static const struct driver_interfacekit ph_888o = ifkit(8, 8, 8, 0, 0);
+static const struct driver_interfacekit ph_047 = ifkit(0, 4, 7, 1, 0);
+static const struct driver_interfacekit ph_884 = ifkit(8, 8, 4, 0, 0);
+static const struct driver_interfacekit ph_088 = ifkit(0, 8, 8, 1, 0);
+static const struct driver_interfacekit ph_01616 = ifkit(0, 16, 16, 0, 0);
+
+static unsigned long device_no;
struct interfacekit {
struct usb_device *udev;
struct usb_interface *intf;
struct driver_interfacekit *ifkit;
+ struct device *dev;
unsigned long outputs;
+ int dev_no;
u8 inputs[MAX_INTERFACES];
u16 sensors[MAX_INTERFACES];
u8 lcd_files_on;
unsigned char *data;
dma_addr_t data_dma;
- struct work_struct do_notify;
+ struct delayed_work do_notify;
+ struct delayed_work do_resubmit;
unsigned long input_events;
unsigned long sensor_events;
};
static struct usb_device_id id_table[] = {
{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT004),
.driver_info = (kernel_ulong_t)&ph_004},
- {USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888),
- .driver_info = (kernel_ulong_t)&ph_888},
+ {USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0, 0x814),
+ .driver_info = (kernel_ulong_t)&ph_888o},
+ {USB_DEVICE_VER(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT888, 0x0815, 0xffff),
+ .driver_info = (kernel_ulong_t)&ph_888n},
{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT047),
.driver_info = (kernel_ulong_t)&ph_047},
{USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_INTERFACEKIT088),
};
MODULE_DEVICE_TABLE(usb, id_table);
-static int change_outputs(struct interfacekit *kit, int output_num, int enable)
+static int set_outputs(struct interfacekit *kit)
{
u8 *buffer;
int retval;
- if (enable)
- set_bit(output_num, &kit->outputs);
- else
- clear_bit(output_num, &kit->outputs);
-
buffer = kzalloc(4, GFP_KERNEL);
if (!buffer) {
dev_err(&kit->udev->dev, "%s - out of memory\n", __FUNCTION__);
retval);
kfree(buffer);
+ if (kit->ifkit->amnesiac)
+ schedule_delayed_work(&kit->do_resubmit, HZ / 2);
+
return retval < 0 ? retval : 0;
}
}
#define set_lcd_line(number) \
-static ssize_t lcd_line_##number(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
-{ \
- struct usb_interface *intf = to_usb_interface(dev); \
- struct interfacekit *kit = usb_get_intfdata(intf); \
- change_string(kit, buf, number - 1); \
- return count; \
-} \
-static DEVICE_ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number);
+static ssize_t lcd_line_##number(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
+{ \
+ struct interfacekit *kit = dev_get_drvdata(dev); \
+ change_string(kit, buf, number - 1); \
+ return count; \
+}
+
+#define lcd_line_attr(number) \
+ __ATTR(lcd_line_##number, S_IWUGO, NULL, lcd_line_##number)
+
set_lcd_line(1);
set_lcd_line(2);
static ssize_t set_backlight(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
- struct usb_interface *intf = to_usb_interface(dev);
- struct interfacekit *kit = usb_get_intfdata(intf);
+ struct interfacekit *kit = dev_get_drvdata(dev);
int enabled;
unsigned char *buffer;
int retval = -ENOMEM;
kfree(buffer);
return retval;
}
-static DEVICE_ATTR(backlight, S_IWUGO, NULL, set_backlight);
+
+static struct device_attribute dev_lcd_line_attrs[] = {
+ lcd_line_attr(1),
+ lcd_line_attr(2),
+ __ATTR(backlight, S_IWUGO, NULL, set_backlight)
+};
static void remove_lcd_files(struct interfacekit *kit)
{
+ int i;
+
if (kit->lcd_files_on) {
dev_dbg(&kit->udev->dev, "Removing lcd files\n");
- device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_1);
- device_remove_file(&kit->intf->dev, &dev_attr_lcd_line_2);
- device_remove_file(&kit->intf->dev, &dev_attr_backlight);
+
+ for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++)
+ device_remove_file(kit->dev, &dev_lcd_line_attrs[i]);
}
}
static ssize_t enable_lcd_files(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
{
- struct usb_interface *intf = to_usb_interface(dev);
- struct interfacekit *kit = usb_get_intfdata(intf);
+ struct interfacekit *kit = dev_get_drvdata(dev);
int enable;
+ int i, rc;
if (kit->ifkit->has_lcd == 0)
return -ENODEV;
if (enable) {
if (!kit->lcd_files_on) {
dev_dbg(&kit->udev->dev, "Adding lcd files\n");
- device_create_file(&kit->intf->dev, &dev_attr_lcd_line_1);
- device_create_file(&kit->intf->dev, &dev_attr_lcd_line_2);
- device_create_file(&kit->intf->dev, &dev_attr_backlight);
+ for (i=0; i<ARRAY_SIZE(dev_lcd_line_attrs); i++) {
+ rc = device_create_file(kit->dev,
+ &dev_lcd_line_attrs[i]);
+ if (rc)
+ goto out;
+ }
kit->lcd_files_on = 1;
}
} else {
}
return count;
+out:
+ while (i-- > 0)
+ device_remove_file(kit->dev, &dev_lcd_line_attrs[i]);
+
+ return rc;
}
+
static DEVICE_ATTR(lcd, S_IWUGO, NULL, enable_lcd_files);
-static void interfacekit_irq(struct urb *urb, struct pt_regs *regs)
+static void interfacekit_irq(struct urb *urb)
{
struct interfacekit *kit = urb->context;
unsigned char *buffer = kit->data;
}
if (kit->input_events || kit->sensor_events)
- schedule_work(&kit->do_notify);
+ schedule_delayed_work(&kit->do_notify, 0);
resubmit:
status = usb_submit_urb(urb, SLAB_ATOMIC);
kit->udev->devpath, status);
}
-static void do_notify(void *data)
+static void do_notify(struct work_struct *work)
{
- struct interfacekit *kit = data;
+ struct interfacekit *kit =
+ container_of(work, struct interfacekit, do_notify.work);
int i;
char sysfs_file[8];
for (i=0; i<kit->ifkit->inputs; i++) {
if (test_and_clear_bit(i, &kit->input_events)) {
sprintf(sysfs_file, "input%d", i + 1);
- sysfs_notify(&kit->intf->dev.kobj, NULL, sysfs_file);
+ sysfs_notify(&kit->dev->kobj, NULL, sysfs_file);
}
}
for (i=0; i<kit->ifkit->sensors; i++) {
if (test_and_clear_bit(i, &kit->sensor_events)) {
sprintf(sysfs_file, "sensor%d", i + 1);
- sysfs_notify(&kit->intf->dev.kobj, NULL, sysfs_file);
+ sysfs_notify(&kit->dev->kobj, NULL, sysfs_file);
}
}
}
+static void do_resubmit(struct work_struct *work)
+{
+ struct interfacekit *kit =
+ container_of(work, struct interfacekit, do_resubmit.work);
+ set_outputs(kit);
+}
+
#define show_set_output(value) \
-static ssize_t set_output##value(struct device *dev, struct device_attribute *attr, const char *buf, \
- size_t count) \
+static ssize_t set_output##value(struct device *dev, \
+ struct device_attribute *attr, \
+ const char *buf, size_t count) \
{ \
- struct usb_interface *intf = to_usb_interface(dev); \
- struct interfacekit *kit = usb_get_intfdata(intf); \
- int enabled; \
+ struct interfacekit *kit = dev_get_drvdata(dev); \
+ int enable; \
int retval; \
\
- if (sscanf(buf, "%d", &enabled) < 1) \
+ if (sscanf(buf, "%d", &enable) < 1) \
return -EINVAL; \
\
- retval = change_outputs(kit, value - 1, enabled); \
+ if (enable) \
+ set_bit(value - 1, &kit->outputs); \
+ else \
+ clear_bit(value - 1, &kit->outputs); \
+ \
+ retval = set_outputs(kit); \
\
return retval ? retval : count; \
} \
\
-static ssize_t show_output##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_output##value(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
{ \
- struct usb_interface *intf = to_usb_interface(dev); \
- struct interfacekit *kit = usb_get_intfdata(intf); \
+ struct interfacekit *kit = dev_get_drvdata(dev); \
\
return sprintf(buf, "%d\n", !!test_bit(value - 1, &kit->outputs));\
-} \
-static DEVICE_ATTR(output##value, S_IWUGO | S_IRUGO, \
- show_output##value, set_output##value);
+}
+
+#define output_attr(value) \
+ __ATTR(output##value, S_IWUGO | S_IRUGO, \
+ show_output##value, set_output##value)
+
show_set_output(1);
show_set_output(2);
show_set_output(3);
show_set_output(15);
show_set_output(16);
+static struct device_attribute dev_output_attrs[] = {
+ output_attr(1), output_attr(2), output_attr(3), output_attr(4),
+ output_attr(5), output_attr(6), output_attr(7), output_attr(8),
+ output_attr(9), output_attr(10), output_attr(11), output_attr(12),
+ output_attr(13), output_attr(14), output_attr(15), output_attr(16)
+};
+
#define show_input(value) \
-static ssize_t show_input##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_input##value(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
{ \
- struct usb_interface *intf = to_usb_interface(dev); \
- struct interfacekit *kit = usb_get_intfdata(intf); \
+ struct interfacekit *kit = dev_get_drvdata(dev); \
\
return sprintf(buf, "%d\n", (int)kit->inputs[value - 1]); \
-} \
-static DEVICE_ATTR(input##value, S_IRUGO, show_input##value, NULL);
+}
+
+#define input_attr(value) \
+ __ATTR(input##value, S_IRUGO, show_input##value, NULL)
show_input(1);
show_input(2);
show_input(15);
show_input(16);
+static struct device_attribute dev_input_attrs[] = {
+ input_attr(1), input_attr(2), input_attr(3), input_attr(4),
+ input_attr(5), input_attr(6), input_attr(7), input_attr(8),
+ input_attr(9), input_attr(10), input_attr(11), input_attr(12),
+ input_attr(13), input_attr(14), input_attr(15), input_attr(16)
+};
+
#define show_sensor(value) \
-static ssize_t show_sensor##value(struct device *dev, struct device_attribute *attr, char *buf) \
+static ssize_t show_sensor##value(struct device *dev, \
+ struct device_attribute *attr, \
+ char *buf) \
{ \
- struct usb_interface *intf = to_usb_interface(dev); \
- struct interfacekit *kit = usb_get_intfdata(intf); \
+ struct interfacekit *kit = dev_get_drvdata(dev); \
\
return sprintf(buf, "%d\n", (int)kit->sensors[value - 1]); \
-} \
-static DEVICE_ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL);
+}
+
+#define sensor_attr(value) \
+ __ATTR(sensor##value, S_IRUGO, show_sensor##value, NULL)
show_sensor(1);
show_sensor(2);
show_sensor(7);
show_sensor(8);
+static struct device_attribute dev_sensor_attrs[] = {
+ sensor_attr(1), sensor_attr(2), sensor_attr(3), sensor_attr(4),
+ sensor_attr(5), sensor_attr(6), sensor_attr(7), sensor_attr(8)
+};
+
static int interfacekit_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
struct usb_device *dev = interface_to_usbdev(intf);
struct interfacekit *kit;
struct driver_interfacekit *ifkit;
int pipe, maxp, rc = -ENOMEM;
+ int bit, value, i;
ifkit = (struct driver_interfacekit *)id->driver_info;
if (!ifkit)
return -ENODEV;
endpoint = &interface->endpoint[0].desc;
- if (!(endpoint->bEndpointAddress & 0x80))
+ if (!usb_endpoint_dir_in(endpoint))
return -ENODEV;
/*
* bmAttributes
if (!kit)
goto out;
+ kit->dev_no = -1;
kit->ifkit = ifkit;
kit->data = usb_buffer_alloc(dev, URB_INT_SIZE, SLAB_ATOMIC, &kit->data_dma);
if (!kit->data)
kit->udev = usb_get_dev(dev);
kit->intf = intf;
- INIT_WORK(&kit->do_notify, do_notify, kit);
+ INIT_DELAYED_WORK(&kit->do_notify, do_notify);
+ INIT_DELAYED_WORK(&kit->do_resubmit, do_resubmit);
usb_fill_int_urb(kit->irq, kit->udev, pipe, kit->data,
maxp > URB_INT_SIZE ? URB_INT_SIZE : maxp,
interfacekit_irq, kit, endpoint->bInterval);
usb_set_intfdata(intf, kit);
+ do {
+ bit = find_first_zero_bit(&device_no, sizeof(device_no));
+ value = test_and_set_bit(bit, &device_no);
+ } while(value);
+ kit->dev_no = bit;
+
+ kit->dev = device_create(phidget_class, &kit->udev->dev, 0,
+ "interfacekit%d", kit->dev_no);
+ if (IS_ERR(kit->dev)) {
+ rc = PTR_ERR(kit->dev);
+ kit->dev = NULL;
+ goto out;
+ }
+ dev_set_drvdata(kit->dev, kit);
+
if (usb_submit_urb(kit->irq, GFP_KERNEL)) {
rc = -EIO;
goto out;
}
- if (ifkit->outputs >= 4) {
- device_create_file(&intf->dev, &dev_attr_output1);
- device_create_file(&intf->dev, &dev_attr_output2);
- device_create_file(&intf->dev, &dev_attr_output3);
- device_create_file(&intf->dev, &dev_attr_output4);
- }
- if (ifkit->outputs >= 8) {
- device_create_file(&intf->dev, &dev_attr_output5);
- device_create_file(&intf->dev, &dev_attr_output6);
- device_create_file(&intf->dev, &dev_attr_output7);
- device_create_file(&intf->dev, &dev_attr_output8);
- }
- if (ifkit->outputs == 16) {
- device_create_file(&intf->dev, &dev_attr_output9);
- device_create_file(&intf->dev, &dev_attr_output10);
- device_create_file(&intf->dev, &dev_attr_output11);
- device_create_file(&intf->dev, &dev_attr_output12);
- device_create_file(&intf->dev, &dev_attr_output13);
- device_create_file(&intf->dev, &dev_attr_output14);
- device_create_file(&intf->dev, &dev_attr_output15);
- device_create_file(&intf->dev, &dev_attr_output16);
+ for (i=0; i<ifkit->outputs; i++ ) {
+ rc = device_create_file(kit->dev, &dev_output_attrs[i]);
+ if (rc)
+ goto out2;
}
- if (ifkit->inputs >= 4) {
- device_create_file(&intf->dev, &dev_attr_input1);
- device_create_file(&intf->dev, &dev_attr_input2);
- device_create_file(&intf->dev, &dev_attr_input3);
- device_create_file(&intf->dev, &dev_attr_input4);
- }
- if (ifkit->inputs >= 8) {
- device_create_file(&intf->dev, &dev_attr_input5);
- device_create_file(&intf->dev, &dev_attr_input6);
- device_create_file(&intf->dev, &dev_attr_input7);
- device_create_file(&intf->dev, &dev_attr_input8);
- }
- if (ifkit->inputs == 16) {
- device_create_file(&intf->dev, &dev_attr_input9);
- device_create_file(&intf->dev, &dev_attr_input10);
- device_create_file(&intf->dev, &dev_attr_input11);
- device_create_file(&intf->dev, &dev_attr_input12);
- device_create_file(&intf->dev, &dev_attr_input13);
- device_create_file(&intf->dev, &dev_attr_input14);
- device_create_file(&intf->dev, &dev_attr_input15);
- device_create_file(&intf->dev, &dev_attr_input16);
+ for (i=0; i<ifkit->inputs; i++ ) {
+ rc = device_create_file(kit->dev, &dev_input_attrs[i]);
+ if (rc)
+ goto out3;
}
- if (ifkit->sensors >= 4) {
- device_create_file(&intf->dev, &dev_attr_sensor1);
- device_create_file(&intf->dev, &dev_attr_sensor2);
- device_create_file(&intf->dev, &dev_attr_sensor3);
- device_create_file(&intf->dev, &dev_attr_sensor4);
+ for (i=0; i<ifkit->sensors; i++ ) {
+ rc = device_create_file(kit->dev, &dev_sensor_attrs[i]);
+ if (rc)
+ goto out4;
}
- if (ifkit->sensors >= 7) {
- device_create_file(&intf->dev, &dev_attr_sensor5);
- device_create_file(&intf->dev, &dev_attr_sensor6);
- device_create_file(&intf->dev, &dev_attr_sensor7);
- }
- if (ifkit->sensors == 8)
- device_create_file(&intf->dev, &dev_attr_sensor8);
- if (ifkit->has_lcd)
- device_create_file(&intf->dev, &dev_attr_lcd);
+ if (ifkit->has_lcd) {
+ rc = device_create_file(kit->dev, &dev_attr_lcd);
+ if (rc)
+ goto out4;
+
+ }
dev_info(&intf->dev, "USB PhidgetInterfaceKit %d/%d/%d attached\n",
ifkit->sensors, ifkit->inputs, ifkit->outputs);
return 0;
+out4:
+ while (i-- > 0)
+ device_remove_file(kit->dev, &dev_sensor_attrs[i]);
+
+ i = ifkit->inputs;
+out3:
+ while (i-- > 0)
+ device_remove_file(kit->dev, &dev_input_attrs[i]);
+
+ i = ifkit->outputs;
+out2:
+ while (i-- > 0)
+ device_remove_file(kit->dev, &dev_output_attrs[i]);
out:
if (kit) {
- if (kit->irq)
- usb_free_urb(kit->irq);
+ usb_free_urb(kit->irq);
if (kit->data)
usb_buffer_free(dev, URB_INT_SIZE, kit->data, kit->data_dma);
+ if (kit->dev)
+ device_unregister(kit->dev);
+ if (kit->dev_no >= 0)
+ clear_bit(kit->dev_no, &device_no);
+
kfree(kit);
}
static void interfacekit_disconnect(struct usb_interface *interface)
{
struct interfacekit *kit;
+ int i;
kit = usb_get_intfdata(interface);
usb_set_intfdata(interface, NULL);
usb_buffer_free(kit->udev, URB_INT_SIZE, kit->data, kit->data_dma);
cancel_delayed_work(&kit->do_notify);
+ cancel_delayed_work(&kit->do_resubmit);
- if (kit->ifkit->outputs >= 4) {
- device_remove_file(&interface->dev, &dev_attr_output1);
- device_remove_file(&interface->dev, &dev_attr_output2);
- device_remove_file(&interface->dev, &dev_attr_output3);
- device_remove_file(&interface->dev, &dev_attr_output4);
- }
- if (kit->ifkit->outputs >= 8) {
- device_remove_file(&interface->dev, &dev_attr_output5);
- device_remove_file(&interface->dev, &dev_attr_output6);
- device_remove_file(&interface->dev, &dev_attr_output7);
- device_remove_file(&interface->dev, &dev_attr_output8);
- }
- if (kit->ifkit->outputs == 16) {
- device_remove_file(&interface->dev, &dev_attr_output9);
- device_remove_file(&interface->dev, &dev_attr_output10);
- device_remove_file(&interface->dev, &dev_attr_output11);
- device_remove_file(&interface->dev, &dev_attr_output12);
- device_remove_file(&interface->dev, &dev_attr_output13);
- device_remove_file(&interface->dev, &dev_attr_output14);
- device_remove_file(&interface->dev, &dev_attr_output15);
- device_remove_file(&interface->dev, &dev_attr_output16);
- }
+ for (i=0; i<kit->ifkit->outputs; i++)
+ device_remove_file(kit->dev, &dev_output_attrs[i]);
- if (kit->ifkit->inputs >= 4) {
- device_remove_file(&interface->dev, &dev_attr_input1);
- device_remove_file(&interface->dev, &dev_attr_input2);
- device_remove_file(&interface->dev, &dev_attr_input3);
- device_remove_file(&interface->dev, &dev_attr_input4);
- }
- if (kit->ifkit->inputs >= 8) {
- device_remove_file(&interface->dev, &dev_attr_input5);
- device_remove_file(&interface->dev, &dev_attr_input6);
- device_remove_file(&interface->dev, &dev_attr_input7);
- device_remove_file(&interface->dev, &dev_attr_input8);
- }
- if (kit->ifkit->inputs == 16) {
- device_remove_file(&interface->dev, &dev_attr_input9);
- device_remove_file(&interface->dev, &dev_attr_input10);
- device_remove_file(&interface->dev, &dev_attr_input11);
- device_remove_file(&interface->dev, &dev_attr_input12);
- device_remove_file(&interface->dev, &dev_attr_input13);
- device_remove_file(&interface->dev, &dev_attr_input14);
- device_remove_file(&interface->dev, &dev_attr_input15);
- device_remove_file(&interface->dev, &dev_attr_input16);
- }
+ for (i=0; i<kit->ifkit->inputs; i++)
+ device_remove_file(kit->dev, &dev_input_attrs[i]);
- if (kit->ifkit->sensors >= 4) {
- device_remove_file(&interface->dev, &dev_attr_sensor1);
- device_remove_file(&interface->dev, &dev_attr_sensor2);
- device_remove_file(&interface->dev, &dev_attr_sensor3);
- device_remove_file(&interface->dev, &dev_attr_sensor4);
- }
- if (kit->ifkit->sensors >= 7) {
- device_remove_file(&interface->dev, &dev_attr_sensor5);
- device_remove_file(&interface->dev, &dev_attr_sensor6);
- device_remove_file(&interface->dev, &dev_attr_sensor7);
+ for (i=0; i<kit->ifkit->sensors; i++)
+ device_remove_file(kit->dev, &dev_sensor_attrs[i]);
+
+ if (kit->ifkit->has_lcd) {
+ device_remove_file(kit->dev, &dev_attr_lcd);
+ remove_lcd_files(kit);
}
- if (kit->ifkit->sensors == 8)
- device_remove_file(&interface->dev, &dev_attr_sensor8);
- if (kit->ifkit->has_lcd)
- device_remove_file(&interface->dev, &dev_attr_lcd);
+ device_unregister(kit->dev);
dev_info(&interface->dev, "USB PhidgetInterfaceKit %d/%d/%d detached\n",
kit->ifkit->sensors, kit->ifkit->inputs, kit->ifkit->outputs);
usb_put_dev(kit->udev);
+ clear_bit(kit->dev_no, &device_no);
+
kfree(kit);
}
projects / linux-drm-fsl-dcu.git / blobdiff