diff options
Diffstat (limited to 'drivers/net/usb')
-rw-r--r-- | drivers/net/usb/pegasus.c | 61 |
1 files changed, 15 insertions, 46 deletions
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c index e92cb51a2c77..26b4e48bf91f 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) |