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Commit 4fe520dc authored by Stefan Hajnoczi's avatar Stefan Hajnoczi Committed by Greg Kroah-Hartman
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staging: line6: drop dump_buf sysfs attr 



Signed-off-by: default avatarStefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 980688f9

drivers/staging/line6/pod.c

+0 −40
Original line number Diff line number Diff line
@@ -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);