aboutsummaryrefslogtreecommitdiff
path: root/drivers/usb/misc/ftdi-elan.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/misc/ftdi-elan.c')
-rw-r--r--drivers/usb/misc/ftdi-elan.c56
1 files changed, 14 insertions, 42 deletions
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 0eb26a26115..cb0ba3107d7 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -303,7 +303,7 @@ 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;
}
@@ -513,8 +513,6 @@ static void ftdi_elan_respond_work(void *data)
ftdi->disconnected += 1;
} else if (retval == -ENODEV) {
ftdi->disconnected += 1;
- } else if (retval == -ENODEV) {
- ftdi->disconnected += 1;
} else if (retval == -EILSEQ) {
ftdi->disconnected += 1;
} else {
@@ -1186,11 +1184,8 @@ static ssize_t ftdi_elan_write(struct file *file,
int retval = 0;
struct urb *urb;
char *buf;
- char data[30 *3 + 4];
- char *d = data;
- const char __user *s = user_buffer;
- int m = (sizeof(data) - 1) / 3;
- struct usb_ftdi *ftdi = (struct usb_ftdi *)file->private_data;
+ struct usb_ftdi *ftdi = file->private_data;
+
if (ftdi->disconnected > 0) {
return -ENODEV;
}
@@ -1220,27 +1215,18 @@ static ssize_t ftdi_elan_write(struct file *file,
if (retval) {
dev_err(&ftdi->udev->dev, "failed submitting write urb, error %"
"d\n", retval);
- goto error_4;
+ goto error_3;
}
usb_free_urb(urb);
- exit:;
- if (count > m) {
- int I = m - 1;
- while (I-- > 0) {
- d += sprintf(d, " %02X", 0x000000FF & *s++);
- }
- d += sprintf(d, " ..");
- } else {
- int I = count;
- while (I-- > 0) {
- d += sprintf(d, " %02X", 0x000000FF & *s++);
- }
- }
+
+exit:
return count;
- error_4: error_3:usb_buffer_free(ftdi->udev, count, buf,
- urb->transfer_dma);
- error_2:usb_free_urb(urb);
- error_1:return retval;
+error_3:
+ usb_buffer_free(ftdi->udev, count, buf, urb->transfer_dma);
+error_2:
+ usb_free_urb(urb);
+error_1:
+ return retval;
}
static struct file_operations ftdi_elan_fops = {
@@ -1440,14 +1426,6 @@ 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)
{
@@ -2647,10 +2625,7 @@ 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;
@@ -2663,10 +2638,7 @@ 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;
}