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Date: Sat, 10 May 2014 17:41:49 +0200
From: Bjørn Mork <bjorn@...k.no>
To: <netdev@...r.kernel.org>
Cc: <linux-usb@...r.kernel.org>,
Alexey Orishko <alexey.orishko@...il.com>,
Oliver Neukum <oliver@...kum.org>,
Enrico Mioso <mrkiko.rs@...il.com>,
David Laight <David.Laight@...LAB.COM>,
Bjørn Mork <bjorn@...k.no>
Subject: [PATCH net-next 11/11] net: cdc_ncm: remove redundant "disconnected" flag
Calling netif_carrier_{on,off} is sufficient. There is no need
to duplicate the carrier state in a driver specific flag.
Signed-off-by: Bjørn Mork <bjorn@...k.no>
---
drivers/net/usb/cdc_ncm.c | 19 ++-----------------
drivers/net/usb/huawei_cdc_ncm.c | 13 -------------
include/linux/usb/cdc_ncm.h | 1 -
3 files changed, 2 insertions(+), 31 deletions(-)
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index c65145671521..114d56b9fe29 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -1353,11 +1353,10 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb)
* USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be
* sent by device after USB_CDC_NOTIFY_SPEED_CHANGE.
*/
- ctx->connected = le16_to_cpu(event->wValue);
netif_info(dev, link, dev->net,
"network connection: %sconnected\n",
- ctx->connected ? "" : "dis");
- usbnet_link_change(dev, ctx->connected, 0);
+ !!event->wValue ? "" : "dis");
+ usbnet_link_change(dev, !!event->wValue, 0);
break;
case USB_CDC_NOTIFY_SPEED_CHANGE:
@@ -1377,23 +1376,11 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb)
}
}
-static int cdc_ncm_check_connect(struct usbnet *dev)
-{
- struct cdc_ncm_ctx *ctx;
-
- ctx = (struct cdc_ncm_ctx *)dev->data[0];
- if (ctx == NULL)
- return 1; /* disconnected */
-
- return !ctx->connected;
-}
-
static const struct driver_info cdc_ncm_info = {
.description = "CDC NCM",
.flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET,
.bind = cdc_ncm_bind,
.unbind = cdc_ncm_unbind,
- .check_connect = cdc_ncm_check_connect,
.manage_power = usbnet_manage_power,
.status = cdc_ncm_status,
.rx_fixup = cdc_ncm_rx_fixup,
@@ -1407,7 +1394,6 @@ static const struct driver_info wwan_info = {
| FLAG_WWAN,
.bind = cdc_ncm_bind,
.unbind = cdc_ncm_unbind,
- .check_connect = cdc_ncm_check_connect,
.manage_power = usbnet_manage_power,
.status = cdc_ncm_status,
.rx_fixup = cdc_ncm_rx_fixup,
@@ -1421,7 +1407,6 @@ static const struct driver_info wwan_noarp_info = {
| FLAG_WWAN | FLAG_NOARP,
.bind = cdc_ncm_bind,
.unbind = cdc_ncm_unbind,
- .check_connect = cdc_ncm_check_connect,
.manage_power = usbnet_manage_power,
.status = cdc_ncm_status,
.rx_fixup = cdc_ncm_rx_fixup,
diff --git a/drivers/net/usb/huawei_cdc_ncm.c b/drivers/net/usb/huawei_cdc_ncm.c
index 312178d7b698..f9822bc75425 100644
--- a/drivers/net/usb/huawei_cdc_ncm.c
+++ b/drivers/net/usb/huawei_cdc_ncm.c
@@ -172,24 +172,11 @@ err:
return ret;
}
-static int huawei_cdc_ncm_check_connect(struct usbnet *usbnet_dev)
-{
- struct cdc_ncm_ctx *ctx;
-
- ctx = (struct cdc_ncm_ctx *)usbnet_dev->data[0];
-
- if (ctx == NULL)
- return 1; /* disconnected */
-
- return !ctx->connected;
-}
-
static const struct driver_info huawei_cdc_ncm_info = {
.description = "Huawei CDC NCM device",
.flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN,
.bind = huawei_cdc_ncm_bind,
.unbind = huawei_cdc_ncm_unbind,
- .check_connect = huawei_cdc_ncm_check_connect,
.manage_power = huawei_cdc_ncm_manage_power,
.rx_fixup = cdc_ncm_rx_fixup,
.tx_fixup = cdc_ncm_tx_fixup,
diff --git a/include/linux/usb/cdc_ncm.h b/include/linux/usb/cdc_ncm.h
index 1921bdadd9ab..dc175b1debdf 100644
--- a/include/linux/usb/cdc_ncm.h
+++ b/include/linux/usb/cdc_ncm.h
@@ -118,7 +118,6 @@ struct cdc_ncm_ctx {
u16 tx_ndp_modulus;
u16 tx_seq;
u16 rx_seq;
- u16 connected;
u16 min_tx_pkt;
/* statistics */
--
2.0.0.rc2
--
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