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authorVincent Mailhol <mailhol.vincent@wanadoo.fr>2022-12-08 17:11:42 +0900
committerMarc Kleine-Budde <mkl@pengutronix.de>2022-12-12 11:41:25 +0100
commit56c56a309e7959c319d3cbd6bd16e598ecd5831c (patch)
tree59614c48c02b55b0cff4127ca6bc9173260379d2 /drivers/net/can/usb
parentf54b101ddeaea68fe7e52e842deb8b7a081bf156 (diff)
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can: gs_usb: remove gs_can::iface
The iface field of struct gs_can is only used to retrieve the usb_device which is already available in gs_can::udev. Replace each occurrence of interface_to_usbdev(dev->iface) with dev->udev. This done, remove gs_can::iface. Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Link: https://lore.kernel.org/all/20221208081142.16936-3-mailhol.vincent@wanadoo.fr Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/usb')
-rw-r--r--drivers/net/can/usb/gs_usb.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 838744d2ce34..d476c2884008 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -299,7 +299,6 @@ struct gs_can {
struct net_device *netdev;
struct usb_device *udev;
- struct usb_interface *iface;
struct can_bittiming_const bt_const, data_bt_const;
unsigned int channel; /* channel number */
@@ -383,8 +382,7 @@ static int gs_cmd_reset(struct gs_can *dev)
.mode = GS_CAN_MODE_RESET,
};
- return usb_control_msg_send(interface_to_usbdev(dev->iface), 0,
- GS_USB_BREQ_MODE,
+ return usb_control_msg_send(dev->udev, 0, GS_USB_BREQ_MODE,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0, &dm, sizeof(dm), 1000,
GFP_KERNEL);
@@ -396,8 +394,7 @@ static inline int gs_usb_get_timestamp(const struct gs_can *dev,
__le32 timestamp;
int rc;
- rc = usb_control_msg_recv(interface_to_usbdev(dev->iface), 0,
- GS_USB_BREQ_TIMESTAMP,
+ rc = usb_control_msg_recv(dev->udev, 0, GS_USB_BREQ_TIMESTAMP,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0,
&timestamp, sizeof(timestamp),
@@ -674,8 +671,7 @@ static int gs_usb_set_bittiming(struct net_device *netdev)
};
/* request bit timings */
- return usb_control_msg_send(interface_to_usbdev(dev->iface), 0,
- GS_USB_BREQ_BITTIMING,
+ return usb_control_msg_send(dev->udev, 0, GS_USB_BREQ_BITTIMING,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0, &dbt, sizeof(dbt), 1000,
GFP_KERNEL);
@@ -698,8 +694,7 @@ static int gs_usb_set_data_bittiming(struct net_device *netdev)
request = GS_USB_BREQ_QUIRK_CANTACT_PRO_DATA_BITTIMING;
/* request data bit timings */
- return usb_control_msg_send(interface_to_usbdev(dev->iface), 0,
- request,
+ return usb_control_msg_send(dev->udev, 0, request,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0, &dbt, sizeof(dbt), 1000,
GFP_KERNEL);
@@ -941,8 +936,7 @@ static int gs_can_open(struct net_device *netdev)
/* finally start device */
dev->can.state = CAN_STATE_ERROR_ACTIVE;
dm.flags = cpu_to_le32(flags);
- rc = usb_control_msg_send(interface_to_usbdev(dev->iface), 0,
- GS_USB_BREQ_MODE,
+ rc = usb_control_msg_send(dev->udev, 0, GS_USB_BREQ_MODE,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0, &dm, sizeof(dm), 1000,
GFP_KERNEL);
@@ -969,8 +963,7 @@ static int gs_usb_get_state(const struct net_device *netdev,
struct gs_device_state ds;
int rc;
- rc = usb_control_msg_recv(interface_to_usbdev(dev->iface), 0,
- GS_USB_BREQ_GET_STATE,
+ rc = usb_control_msg_recv(dev->udev, 0, GS_USB_BREQ_GET_STATE,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0,
&ds, sizeof(ds),
@@ -1064,8 +1057,7 @@ static int gs_usb_set_identify(struct net_device *netdev, bool do_identify)
else
imode.mode = cpu_to_le32(GS_CAN_IDENTIFY_OFF);
- return usb_control_msg_send(interface_to_usbdev(dev->iface), 0,
- GS_USB_BREQ_IDENTIFY,
+ return usb_control_msg_send(dev->udev, 0, GS_USB_BREQ_IDENTIFY,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0, &imode, sizeof(imode), 100,
GFP_KERNEL);
@@ -1118,8 +1110,7 @@ static int gs_usb_get_termination(struct net_device *netdev, u16 *term)
struct gs_device_termination_state term_state;
int rc;
- rc = usb_control_msg_recv(interface_to_usbdev(dev->iface), 0,
- GS_USB_BREQ_GET_TERMINATION,
+ rc = usb_control_msg_recv(dev->udev, 0, GS_USB_BREQ_GET_TERMINATION,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0,
&term_state, sizeof(term_state), 1000,
@@ -1145,8 +1136,7 @@ static int gs_usb_set_termination(struct net_device *netdev, u16 term)
else
term_state.state = cpu_to_le32(GS_CAN_TERMINATION_STATE_OFF);
- return usb_control_msg_send(interface_to_usbdev(dev->iface), 0,
- GS_USB_BREQ_SET_TERMINATION,
+ return usb_control_msg_send(dev->udev, 0, GS_USB_BREQ_SET_TERMINATION,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
dev->channel, 0,
&term_state, sizeof(term_state), 1000,
@@ -1210,7 +1200,6 @@ static struct gs_can *gs_make_candev(unsigned int channel,
dev->bt_const.brp_inc = le32_to_cpu(bt_const.brp_inc);
dev->udev = interface_to_usbdev(intf);
- dev->iface = intf;
dev->netdev = netdev;
dev->channel = channel;