staging: line6: drop dump_buf sysfs attr

Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/line6/pod.c b/drivers/staging/line6/pod.c
index 56eab0a76578ff265e6cf6678a3751edc665291a..c1eb1456dfdba1d0e56397868b8e94d9fb40931a 100644 (file)
--- a/drivers/staging/line6/pod.c
+++ b/drivers/staging/line6/pod.c
@@ -609,42 +609,6 @@ static ssize_t pod_set_system_param_string(struct usb_line6_pod *pod,
        return (retval < 0) ? retval : count;
 }
 
-/*
-       "read" request on "dump_buf" special file.
-*/
-static ssize_t pod_get_dump_buf(struct device *dev,
-                               struct device_attribute *attr, char *buf)
-{
-       struct usb_interface *interface = to_usb_interface(dev);
-       struct usb_line6_pod *pod = usb_get_intfdata(interface);
-       int retval = line6_dump_wait_interruptible(&pod->dumpreq);
-       if (retval < 0)
-               return retval;
-       memcpy(buf, &pod->prog_data_buf, sizeof(pod->prog_data_buf));
-       return sizeof(pod->prog_data_buf);
-}
-
-/*
-       "write" request on "dump_buf" special file.
-*/
-static ssize_t pod_set_dump_buf(struct device *dev,
-                               struct device_attribute *attr,
-                               const char *buf, size_t count)
-{
-       struct usb_interface *interface = to_usb_interface(dev);
-       struct usb_line6_pod *pod = usb_get_intfdata(interface);
-
-       if (count != sizeof(pod->prog_data)) {
-               dev_err(pod->line6.ifcdev,
-                       "data block must be exactly %d bytes\n",
-                       (int)sizeof(pod->prog_data));
-               return -EINVAL;
-       }
-
-       memcpy(&pod->prog_data_buf, buf, sizeof(pod->prog_data));
-       return sizeof(pod->prog_data);
-}
-
 /*
        "write" request on "finish" special file.
 */
@@ -892,8 +856,6 @@ POD_GET_SYSTEM_PARAM(tuner_pitch, 1);
 
 /* POD special files: */
 static DEVICE_ATTR(device_id, S_IRUGO, pod_get_device_id, line6_nop_write);
-static DEVICE_ATTR(dump_buf, S_IWUSR | S_IRUGO, pod_get_dump_buf,
-                  pod_set_dump_buf);
 static DEVICE_ATTR(finish, S_IWUSR, line6_nop_read, pod_set_finish);
 static DEVICE_ATTR(firmware_version, S_IRUGO, pod_get_firmware_version,
                   line6_nop_write);
@@ -1004,7 +966,6 @@ static int pod_create_files2(struct device *dev)
        int err;
 
        CHECK_RETURN(device_create_file(dev, &dev_attr_device_id));
-       CHECK_RETURN(device_create_file(dev, &dev_attr_dump_buf));
        CHECK_RETURN(device_create_file(dev, &dev_attr_finish));
        CHECK_RETURN(device_create_file(dev, &dev_attr_firmware_version));
        CHECK_RETURN(device_create_file(dev, &dev_attr_midi_postprocess));
@@ -1142,7 +1103,6 @@ void line6_pod_disconnect(struct usb_interface *interface)
                                               properties->device_bit, dev);
 
                        device_remove_file(dev, &dev_attr_device_id);
-                       device_remove_file(dev, &dev_attr_dump_buf);
                        device_remove_file(dev, &dev_attr_finish);
                        device_remove_file(dev, &dev_attr_firmware_version);
                        device_remove_file(dev, &dev_attr_midi_postprocess);