can: peak_usb: constify struct peak_usb_adapter

A "struct peak_usb_adapter" describes a certain USB adapter, as this doesn't
change during runtime, this patch marks all USB adapter definitions as const.

Acked-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

4 files changed, 11 insertions, 11 deletions

diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c
index 2a1c9ce53fae..d57d3f64a5bf 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb.c
@@ -855,7 +855,7 @@ static int pcan_usb_probe(struct usb_interface *intf)
 /*
  * describe the PCAN-USB adapter
  */
-struct peak_usb_adapter pcan_usb = {
+const struct peak_usb_adapter pcan_usb = {
         .name = "PCAN-USB",
         .device_id = PCAN_USB_PRODUCT_ID,
         .ctrl_count = 1,
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index 26c0cc3ce3b2..729b80d78322 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -43,7 +43,7 @@ static struct usb_device_id peak_usb_table[] = {
 MODULE_DEVICE_TABLE(usb, peak_usb_table);
 
 /* List of supported PCAN-USB adapters (NULL terminated list) */
-static struct peak_usb_adapter *peak_usb_adapters_list[] = {
+static const struct peak_usb_adapter *const peak_usb_adapters_list[] = {
         &pcan_usb,
         &pcan_usb_pro,
 };
@@ -64,7 +64,7 @@ void pcan_dump_mem(char *prompt, void *p, int l)
  * initialize a time_ref object with usb adapter own settings
  */
 void peak_usb_init_time_ref(struct peak_time_ref *time_ref,
-                            struct peak_usb_adapter *adapter)
+                            const struct peak_usb_adapter *adapter)
 {
         if (time_ref) {
                 memset(time_ref, 0, sizeof(struct peak_time_ref));
@@ -708,7 +708,7 @@ static const struct net_device_ops peak_usb_netdev_ops = {
  * create one device which is attached to CAN controller #ctrl_idx of the
  * usb adapter.
  */
-static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
+static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter,
                                struct usb_interface *intf, int ctrl_idx)
 {
         struct usb_device *usb_dev = interface_to_usbdev(intf);
@@ -856,7 +856,7 @@ static int peak_usb_probe(struct usb_interface *intf,
 {
         struct usb_device *usb_dev = interface_to_usbdev(intf);
         const u16 usb_id_product = le16_to_cpu(usb_dev->descriptor.idProduct);
-        struct peak_usb_adapter *peak_usb_adapter = NULL;
+        const struct peak_usb_adapter *peak_usb_adapter = NULL;
         int i, err = -ENOMEM;
 
         usb_dev = interface_to_usbdev(intf);
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.h b/drivers/net/can/usb/peak_usb/pcan_usb_core.h
index 073b47ff8eee..10f2fcac7c13 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.h
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.h
@@ -78,15 +78,15 @@ struct peak_usb_adapter {
         int sizeof_dev_private;
 };
 
-extern struct peak_usb_adapter pcan_usb;
-extern struct peak_usb_adapter pcan_usb_pro;
+extern const struct peak_usb_adapter pcan_usb;
+extern const struct peak_usb_adapter pcan_usb_pro;
 
 struct peak_time_ref {
         struct timeval tv_host_0, tv_host;
         u32 ts_dev_1, ts_dev_2;
         u64 ts_total;
         u32 tick_count;
-        struct peak_usb_adapter *adapter;
+        const struct peak_usb_adapter *adapter;
 };
 
 struct peak_tx_urb_context {
@@ -102,7 +102,7 @@ struct peak_tx_urb_context {
 /* PEAK-System USB device */
 struct peak_usb_device {
         struct can_priv can;
-        struct peak_usb_adapter *adapter;
+        const struct peak_usb_adapter *adapter;
         unsigned int ctrl_idx;
         u32 state;
 
@@ -134,7 +134,7 @@ void pcan_dump_mem(char *prompt, void *p, int l);
 
 /* common timestamp management */
 void peak_usb_init_time_ref(struct peak_time_ref *time_ref,
-                            struct peak_usb_adapter *adapter);
+                            const struct peak_usb_adapter *adapter);
 void peak_usb_update_ts_now(struct peak_time_ref *time_ref, u32 ts_now);
 void peak_usb_set_ts_now(struct peak_time_ref *time_ref, u32 ts_now);
 void peak_usb_get_ts_tv(struct peak_time_ref *time_ref, u32 ts,
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index 145fa87c31b9..56855b2b1fa1 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -1012,7 +1012,7 @@ static int pcan_usb_pro_probe(struct usb_interface *intf)
 /*
  * describe the PCAN-USB Pro adapter
  */
-struct peak_usb_adapter pcan_usb_pro = {
+const struct peak_usb_adapter pcan_usb_pro = {
         .name = "PCAN-USB Pro",
         .device_id = PCAN_USBPRO_PRODUCT_ID,
         .ctrl_count = PCAN_USBPRO_CHANNEL_COUNT,