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path: root/drivers/net/usb/pegasus.c
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Diffstat (limited to 'drivers/net/usb/pegasus.c')
-rw-r--r--drivers/net/usb/pegasus.c61
1 files changed, 15 insertions, 46 deletions
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index 060a8a03e6c4..32e1335c94ad 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -124,62 +124,31 @@ static void async_ctrl_callback(struct urb *urb)
static int get_registers(pegasus_t *pegasus, __u16 indx, __u16 size, void *data)
{
- u8 *buf;
- int ret;
-
- buf = kmalloc(size, GFP_NOIO);
- if (!buf)
- return -ENOMEM;
-
- ret = usb_control_msg(pegasus->usb, usb_rcvctrlpipe(pegasus->usb, 0),
- PEGASUS_REQ_GET_REGS, PEGASUS_REQT_READ, 0,
- indx, buf, size, 1000);
- if (ret < 0)
- netif_dbg(pegasus, drv, pegasus->net,
- "%s returned %d\n", __func__, ret);
- else if (ret <= size)
- memcpy(data, buf, ret);
- kfree(buf);
- return ret;
+ return usb_control_msg_recv(pegasus->usb, 0, PEGASUS_REQ_GET_REGS,
+ PEGASUS_REQT_READ, 0, indx, data, size,
+ 1000, GFP_NOIO);
}
static int set_registers(pegasus_t *pegasus, __u16 indx, __u16 size,
const void *data)
{
- u8 *buf;
- int ret;
-
- buf = kmemdup(data, size, GFP_NOIO);
- if (!buf)
- return -ENOMEM;
-
- ret = usb_control_msg(pegasus->usb, usb_sndctrlpipe(pegasus->usb, 0),
- PEGASUS_REQ_SET_REGS, PEGASUS_REQT_WRITE, 0,
- indx, buf, size, 100);
- if (ret < 0)
- netif_dbg(pegasus, drv, pegasus->net,
- "%s returned %d\n", __func__, ret);
- kfree(buf);
- return ret;
+ return usb_control_msg_send(pegasus->usb, 0, PEGASUS_REQ_SET_REGS,
+ PEGASUS_REQT_WRITE, 0, indx, data, size,
+ 1000, GFP_NOIO);
}
+/*
+ * There is only one way to write to a single ADM8511 register and this is via
+ * specific control request. 'data' is ignored by the device, but it is here to
+ * not break the API.
+ */
static int set_register(pegasus_t *pegasus, __u16 indx, __u8 data)
{
- u8 *buf;
- int ret;
-
- buf = kmemdup(&data, 1, GFP_NOIO);
- if (!buf)
- return -ENOMEM;
+ void *buf = &data;
- ret = usb_control_msg(pegasus->usb, usb_sndctrlpipe(pegasus->usb, 0),
- PEGASUS_REQ_SET_REG, PEGASUS_REQT_WRITE, data,
- indx, buf, 1, 1000);
- if (ret < 0)
- netif_dbg(pegasus, drv, pegasus->net,
- "%s returned %d\n", __func__, ret);
- kfree(buf);
- return ret;
+ return usb_control_msg_send(pegasus->usb, 0, PEGASUS_REQ_SET_REG,
+ PEGASUS_REQT_WRITE, data, indx, buf, 1,
+ 1000, GFP_NOIO);
}
static int update_eth_regs_async(pegasus_t *pegasus)