can: mark bittiming_const pointer in struct can_priv as const

This patch marks the bittiming_const pointer as in the struct can_pric as
"const". This allows us to mark the struct can_bittiming_const in the CAN
drivers as "const", too.
Signed-off-by: NMarc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/at91_can.c

@@ -170,7 +170,7 @@ static const struct at91_devtype_data at91_devtype_data[] __devinitconst = {
 	},
 };
 
-static struct can_bittiming_const at91_bittiming_const = {
+static const struct can_bittiming_const at91_bittiming_const = {
 	.name		= KBUILD_MODNAME,
 	.tseg1_min	= 4,
 	.tseg1_max	= 16,

drivers/net/can/bfin_can.c

@@ -44,7 +44,7 @@ struct bfin_can_priv {
 /*
  * bfin can timing parameters
  */
-static struct can_bittiming_const bfin_can_bittiming_const = {
+static const struct can_bittiming_const bfin_can_bittiming_const = {
 	.name = DRV_NAME,
 	.tseg1_min = 1,
 	.tseg1_max = 16,

drivers/net/can/c_can/c_can.c

@@ -189,7 +189,7 @@ enum c_can_bus_error_types {
 	C_CAN_ERROR_PASSIVE,
 };
 
-static struct can_bittiming_const c_can_bittiming_const = {
+static const struct can_bittiming_const c_can_bittiming_const = {
 	.name = KBUILD_MODNAME,
 	.tseg1_min = 2,		/* Time segment 1 = prop_seg + phase_seg1 */
 	.tseg1_max = 16,

drivers/net/can/cc770/cc770.c

@@ -90,7 +90,7 @@ static unsigned char cc770_obj_flags[CC770_OBJ_MAX] = {
 	[CC770_OBJ_TX] = 0,
 };
 
-static struct can_bittiming_const cc770_bittiming_const = {
+static const struct can_bittiming_const cc770_bittiming_const = {
 	.name = KBUILD_MODNAME,
 	.tseg1_min = 1,
 	.tseg1_max = 16,

drivers/net/can/flexcan.c

@@ -203,7 +203,7 @@ static struct flexcan_devtype_data fsl_imx6q_devtype_data = {
 	.hw_ver = 10,
 };
 
-static struct can_bittiming_const flexcan_bittiming_const = {
+static const struct can_bittiming_const flexcan_bittiming_const = {
 	.name = DRV_NAME,
 	.tseg1_min = 4,
 	.tseg1_max = 16,

drivers/net/can/janz-ican3.c

@@ -1490,7 +1490,7 @@ static const struct net_device_ops ican3_netdev_ops = {
  */
 
 /* This structure was stolen from drivers/net/can/sja1000/sja1000.c */
-static struct can_bittiming_const ican3_bittiming_const = {
+static const struct can_bittiming_const ican3_bittiming_const = {
 	.name = DRV_NAME,
 	.tseg1_min = 1,
 	.tseg1_max = 16,

drivers/net/can/mcp251x.c

@@ -214,7 +214,7 @@ static int mcp251x_enable_dma; /* Enable SPI DMA. Default: 0 (Off) */
 module_param(mcp251x_enable_dma, int, S_IRUGO);
 MODULE_PARM_DESC(mcp251x_enable_dma, "Enable SPI DMA. Default: 0 (Off)");
 
-static struct can_bittiming_const mcp251x_bittiming_const = {
+static const struct can_bittiming_const mcp251x_bittiming_const = {
 	.name = DEVICE_NAME,
 	.tseg1_min = 3,
 	.tseg1_max = 16,

drivers/net/can/mscan/mscan.c

@@ -34,7 +34,7 @@
 
 #include "mscan.h"
 
-static struct can_bittiming_const mscan_bittiming_const = {
+static const struct can_bittiming_const mscan_bittiming_const = {
 	.name = "mscan",
 	.tseg1_min = 4,
 	.tseg1_max = 16,

drivers/net/can/pch_can.c

@@ -184,7 +184,7 @@ struct pch_can_priv {
 	int use_msi;
 };
 
-static struct can_bittiming_const pch_can_bittiming_const = {
+static const struct can_bittiming_const pch_can_bittiming_const = {
 	.name = KBUILD_MODNAME,
 	.tseg1_min = 2,
 	.tseg1_max = 16,

drivers/net/can/sja1000/sja1000.c

@@ -69,7 +69,7 @@ MODULE_AUTHOR("Oliver Hartkopp <oliver.hartkopp@volkswagen.de>");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_DESCRIPTION(DRV_NAME "CAN netdevice driver");
 
-static struct can_bittiming_const sja1000_bittiming_const = {
+static const struct can_bittiming_const sja1000_bittiming_const = {
 	.name = DRV_NAME,
 	.tseg1_min = 1,
 	.tseg1_max = 16,

drivers/net/can/ti_hecc.c

@@ -196,7 +196,7 @@ MODULE_VERSION(HECC_MODULE_VERSION);
 #define HECC_CANGIM_SIL		BIT(2)	/* system interrupts to int line 1 */
 
 /* CAN Bittiming constants as per HECC specs */
-static struct can_bittiming_const ti_hecc_bittiming_const = {
+static const struct can_bittiming_const ti_hecc_bittiming_const = {
 	.name = DRV_NAME,
 	.tseg1_min = 1,
 	.tseg1_max = 16,

drivers/net/can/usb/ems_usb.c

@@ -889,7 +889,7 @@ static const struct net_device_ops ems_usb_netdev_ops = {
 	.ndo_start_xmit = ems_usb_start_xmit,
 };
 
-static struct can_bittiming_const ems_usb_bittiming_const = {
+static const struct can_bittiming_const ems_usb_bittiming_const = {
 	.name = "ems_usb",
 	.tseg1_min = 1,
 	.tseg1_max = 16,

drivers/net/can/usb/esd_usb2.c

@@ -871,7 +871,7 @@ static const struct net_device_ops esd_usb2_netdev_ops = {
 	.ndo_start_xmit = esd_usb2_start_xmit,
 };
 
-static struct can_bittiming_const esd_usb2_bittiming_const = {
+static const struct can_bittiming_const esd_usb2_bittiming_const = {
 	.name = "esd_usb2",
 	.tseg1_min = ESD_USB2_TSEG1_MIN,
 	.tseg1_max = ESD_USB2_TSEG1_MAX,

drivers/net/can/usb/peak_usb/pcan_usb_core.h

@@ -45,7 +45,7 @@ struct peak_usb_adapter {
 	char *name;
 	u32 device_id;
 	struct can_clock clock;
-	struct can_bittiming_const bittiming_const;
+	const struct can_bittiming_const bittiming_const;
 	unsigned int ctrl_count;
 
 	int (*intf_probe)(struct usb_interface *intf);

include/linux/can/dev.h

@@ -33,7 +33,7 @@ struct can_priv {
 	struct can_device_stats can_stats;
 
 	struct can_bittiming bittiming;
-	struct can_bittiming_const *bittiming_const;
+	const struct can_bittiming_const *bittiming_const;
 	struct can_clock clock;
 
 	enum can_state state;