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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>
This commit is contained in:
Vincent Mailhol 2022-12-08 17:11:42 +09:00 committed by Marc Kleine-Budde
parent f54b101dde
commit 56c56a309e
1 changed files with 9 additions and 20 deletions
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29
drivers/net/can/usb/gs_usb.c
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@ -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;