[linux-2.6-block.git] / drivers / net / can / c_can / c_can_platform.c

/*
 * Platform CAN bus driver for Bosch C_CAN controller
 *
 * Copyright (C) 2010 ST Microelectronics
 * Bhupesh Sharma <bhupesh.sharma@st.com>
 *
 * Borrowed heavily from the C_CAN driver originally written by:
 * Copyright (C) 2007
 * - Sascha Hauer, Marc Kleine-Budde, Pengutronix <s.hauer@pengutronix.de>
 * - Simon Kallweit, intefo AG <simon.kallweit@intefo.ch>
 *
 * Bosch C_CAN controller is compliant to CAN protocol version 2.0 part A and B.
 * Bosch C_CAN user manual can be obtained from:
 * http://www.semiconductors.bosch.de/media/en/pdf/ipmodules_1/c_can/
 * users_manual_c_can.pdf
 *
 * This file is licensed under the terms of the GNU General Public
 * License version 2. This program is licensed "as is" without any
 * warranty of any kind, whether express or implied.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/list.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>

#include <linux/can/dev.h>

#include "c_can.h"

#define CAN_RAMINIT_START_MASK(i)	(1 << (i))

/*
 * 16-bit c_can registers can be arranged differently in the memory
 * architecture of different implementations. For example: 16-bit
 * registers can be aligned to a 16-bit boundary or 32-bit boundary etc.
 * Handle the same by providing a common read/write interface.
 */
static u16 c_can_plat_read_reg_aligned_to_16bit(struct c_can_priv *priv,
						enum reg index)
{
	return readw(priv->base + priv->regs[index]);
}

static void c_can_plat_write_reg_aligned_to_16bit(struct c_can_priv *priv,
						enum reg index, u16 val)
{
	writew(val, priv->base + priv->regs[index]);
}

static u16 c_can_plat_read_reg_aligned_to_32bit(struct c_can_priv *priv,
						enum reg index)
{
	return readw(priv->base + 2 * priv->regs[index]);
}

static void c_can_plat_write_reg_aligned_to_32bit(struct c_can_priv *priv,
						enum reg index, u16 val)
{
	writew(val, priv->base + 2 * priv->regs[index]);
}

static void c_can_hw_raminit(const struct c_can_priv *priv, bool enable)
{
	u32 val;

	val = readl(priv->raminit_ctrlreg);
	if (enable)
		val |= CAN_RAMINIT_START_MASK(priv->instance);
	else
		val &= ~CAN_RAMINIT_START_MASK(priv->instance);
	writel(val, priv->raminit_ctrlreg);
}

static struct platform_device_id c_can_id_table[] = {
	[BOSCH_C_CAN_PLATFORM] = {
		.name = KBUILD_MODNAME,
		.driver_data = BOSCH_C_CAN,
	},
	[BOSCH_C_CAN] = {
		.name = "c_can",
		.driver_data = BOSCH_C_CAN,
	},
	[BOSCH_D_CAN] = {
		.name = "d_can",
		.driver_data = BOSCH_D_CAN,
	}, {
	}
};

static const struct of_device_id c_can_of_table[] = {
	{ .compatible = "bosch,c_can", .data = &c_can_id_table[BOSCH_C_CAN] },
	{ .compatible = "bosch,d_can", .data = &c_can_id_table[BOSCH_D_CAN] },
	{ /* sentinel */ },
};

static int __devinit c_can_plat_probe(struct platform_device *pdev)
{
	int ret;
	void __iomem *addr;
	struct net_device *dev;
	struct c_can_priv *priv;
	const struct of_device_id *match;
	const struct platform_device_id *id;
	struct pinctrl *pinctrl;
	struct resource *mem, *res;
	int irq;
	struct clk *clk;

	if (pdev->dev.of_node) {
		match = of_match_device(c_can_of_table, &pdev->dev);
		if (!match) {
			dev_err(&pdev->dev, "Failed to find matching dt id\n");
			ret = -EINVAL;
			goto exit;
		}
		id = match->data;
	} else {
		id = platform_get_device_id(pdev);
	}

	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
	if (IS_ERR(pinctrl))
		dev_warn(&pdev->dev,
			"failed to configure pins from driver\n");

	/* get the appropriate clk */
	clk = clk_get(&pdev->dev, NULL);
	if (IS_ERR(clk)) {
		dev_err(&pdev->dev, "no clock defined\n");
		ret = -ENODEV;
		goto exit;
	}

	/* get the platform data */
	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	irq = platform_get_irq(pdev, 0);
	if (!mem || irq <= 0) {
		ret = -ENODEV;
		goto exit_free_clk;
	}

	if (!request_mem_region(mem->start, resource_size(mem),
				KBUILD_MODNAME)) {
		dev_err(&pdev->dev, "resource unavailable\n");
		ret = -ENODEV;
		goto exit_free_clk;
	}

	addr = ioremap(mem->start, resource_size(mem));
	if (!addr) {
		dev_err(&pdev->dev, "failed to map can port\n");
		ret = -ENOMEM;
		goto exit_release_mem;
	}

	/* allocate the c_can device */
	dev = alloc_c_can_dev();
	if (!dev) {
		ret = -ENOMEM;
		goto exit_iounmap;
	}

	priv = netdev_priv(dev);
	switch (id->driver_data) {
	case BOSCH_C_CAN:
		priv->regs = reg_map_c_can;
		switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) {
		case IORESOURCE_MEM_32BIT:
			priv->read_reg = c_can_plat_read_reg_aligned_to_32bit;
			priv->write_reg = c_can_plat_write_reg_aligned_to_32bit;
			break;
		case IORESOURCE_MEM_16BIT:
		default:
			priv->read_reg = c_can_plat_read_reg_aligned_to_16bit;
			priv->write_reg = c_can_plat_write_reg_aligned_to_16bit;
			break;
		}
		break;
	case BOSCH_D_CAN:
		priv->regs = reg_map_d_can;
		priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
		priv->read_reg = c_can_plat_read_reg_aligned_to_16bit;
		priv->write_reg = c_can_plat_write_reg_aligned_to_16bit;

		if (pdev->dev.of_node)
			priv->instance = of_alias_get_id(pdev->dev.of_node, "d_can");
		else
			priv->instance = pdev->id;

		res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
		priv->raminit_ctrlreg =	devm_request_and_ioremap(&pdev->dev, res);
		if (!priv->raminit_ctrlreg || priv->instance < 0)
			dev_info(&pdev->dev, "control memory is not used for raminit\n");
		else
			priv->raminit = c_can_hw_raminit;
		break;
	default:
		ret = -EINVAL;
		goto exit_free_device;
	}

	dev->irq = irq;
	priv->base = addr;
	priv->device = &pdev->dev;
	priv->can.clock.freq = clk_get_rate(clk);
	priv->priv = clk;
	priv->type = id->driver_data;

	platform_set_drvdata(pdev, dev);
	SET_NETDEV_DEV(dev, &pdev->dev);

	ret = register_c_can_dev(dev);
	if (ret) {
		dev_err(&pdev->dev, "registering %s failed (err=%d)\n",
			KBUILD_MODNAME, ret);
		goto exit_free_device;
	}

	dev_info(&pdev->dev, "%s device registered (regs=%p, irq=%d)\n",
		 KBUILD_MODNAME, priv->base, dev->irq);
	return 0;

exit_free_device:
	platform_set_drvdata(pdev, NULL);
	free_c_can_dev(dev);
exit_iounmap:
	iounmap(addr);
exit_release_mem:
	release_mem_region(mem->start, resource_size(mem));
exit_free_clk:
	clk_put(clk);
exit:
	dev_err(&pdev->dev, "probe failed\n");

	return ret;
}

static int __devexit c_can_plat_remove(struct platform_device *pdev)
{
	struct net_device *dev = platform_get_drvdata(pdev);
	struct c_can_priv *priv = netdev_priv(dev);
	struct resource *mem;

	unregister_c_can_dev(dev);
	platform_set_drvdata(pdev, NULL);

	free_c_can_dev(dev);
	iounmap(priv->base);

	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	release_mem_region(mem->start, resource_size(mem));

	clk_put(priv->priv);

	return 0;
}

#ifdef CONFIG_PM
static int c_can_suspend(struct platform_device *pdev, pm_message_t state)
{
	int ret;
	struct net_device *ndev = platform_get_drvdata(pdev);
	struct c_can_priv *priv = netdev_priv(ndev);

	if (priv->type != BOSCH_D_CAN) {
		dev_warn(&pdev->dev, "Not supported\n");
		return 0;
	}

	if (netif_running(ndev)) {
		netif_stop_queue(ndev);
		netif_device_detach(ndev);
	}

	ret = c_can_power_down(ndev);
	if (ret) {
		netdev_err(ndev, "failed to enter power down mode\n");
		return ret;
	}

	priv->can.state = CAN_STATE_SLEEPING;

	return 0;
}

static int c_can_resume(struct platform_device *pdev)
{
	int ret;
	struct net_device *ndev = platform_get_drvdata(pdev);
	struct c_can_priv *priv = netdev_priv(ndev);

	if (priv->type != BOSCH_D_CAN) {
		dev_warn(&pdev->dev, "Not supported\n");
		return 0;
	}

	ret = c_can_power_up(ndev);
	if (ret) {
		netdev_err(ndev, "Still in power down mode\n");
		return ret;
	}

	priv->can.state = CAN_STATE_ERROR_ACTIVE;

	if (netif_running(ndev)) {
		netif_device_attach(ndev);
		netif_start_queue(ndev);
	}

	return 0;
}
#else
#define c_can_suspend NULL
#define c_can_resume NULL
#endif

static struct platform_driver c_can_plat_driver = {
	.driver = {
		.name = KBUILD_MODNAME,
		.owner = THIS_MODULE,
		.of_match_table = of_match_ptr(c_can_of_table),
	},
	.probe = c_can_plat_probe,
	.remove = __devexit_p(c_can_plat_remove),
	.suspend = c_can_suspend,
	.resume = c_can_resume,
	.id_table = c_can_id_table,
};

module_platform_driver(c_can_plat_driver);

MODULE_AUTHOR("Bhupesh Sharma <bhupesh.sharma@st.com>");
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Platform CAN bus driver for Bosch C_CAN controller");
Commit	Line	Data
881ff67a BS	1	/*
	2	* Platform CAN bus driver for Bosch C_CAN controller
	3	*
	4	* Copyright (C) 2010 ST Microelectronics
	5	* Bhupesh Sharma <bhupesh.sharma@st.com>
	6	*
	7	* Borrowed heavily from the C_CAN driver originally written by:
	8	* Copyright (C) 2007
	9	* - Sascha Hauer, Marc Kleine-Budde, Pengutronix <s.hauer@pengutronix.de>
	10	* - Simon Kallweit, intefo AG <simon.kallweit@intefo.ch>
	11	*
	12	* Bosch C_CAN controller is compliant to CAN protocol version 2.0 part A and B.
	13	* Bosch C_CAN user manual can be obtained from:
	14	* http://www.semiconductors.bosch.de/media/en/pdf/ipmodules_1/c_can/
	15	* users_manual_c_can.pdf
	16	*
	17	* This file is licensed under the terms of the GNU General Public
	18	* License version 2. This program is licensed "as is" without any
	19	* warranty of any kind, whether express or implied.
	20	*/
	21
	22	#include <linux/kernel.h>
881ff67a BS	23	#include <linux/module.h>
	24	#include <linux/interrupt.h>
	25	#include <linux/delay.h>
	26	#include <linux/netdevice.h>
	27	#include <linux/if_arp.h>
	28	#include <linux/if_ether.h>
	29	#include <linux/list.h>
881ff67a BS	30	#include <linux/io.h>
	31	#include <linux/platform_device.h>
	32	#include <linux/clk.h>
2469627d AC	33	#include <linux/of.h>
2469627d AC	34	#include <linux/of_device.h>
006cd138	35	#include <linux/pinctrl/consumer.h>
881ff67a BS	36
	37	#include <linux/can/dev.h>
	38
	39	#include "c_can.h"
	40
52cde85a AC	41	#define CAN_RAMINIT_START_MASK(i) (1 << (i))
52cde85a AC	42
881ff67a BS	43	/*
	44	* 16-bit c_can registers can be arranged differently in the memory
	45	* architecture of different implementations. For example: 16-bit
	46	* registers can be aligned to a 16-bit boundary or 32-bit boundary etc.
	47	* Handle the same by providing a common read/write interface.
	48	*/
	49	static u16 c_can_plat_read_reg_aligned_to_16bit(struct c_can_priv *priv,
33f81009	50	enum reg index)
881ff67a	51	{
33f81009	52	return readw(priv->base + priv->regs[index]);
881ff67a BS	53	}
	54
	55	static void c_can_plat_write_reg_aligned_to_16bit(struct c_can_priv *priv,
33f81009	56	enum reg index, u16 val)
881ff67a	57	{
33f81009	58	writew(val, priv->base + priv->regs[index]);
881ff67a BS	59	}
	60
	61	static u16 c_can_plat_read_reg_aligned_to_32bit(struct c_can_priv *priv,
33f81009	62	enum reg index)
881ff67a	63	{
33f81009	64	return readw(priv->base + 2 * priv->regs[index]);
881ff67a BS	65	}
	66
	67	static void c_can_plat_write_reg_aligned_to_32bit(struct c_can_priv *priv,
33f81009	68	enum reg index, u16 val)
881ff67a	69	{
33f81009	70	writew(val, priv->base + 2 * priv->regs[index]);
881ff67a BS	71	}
881ff67a BS	72
52cde85a AC	73	static void c_can_hw_raminit(const struct c_can_priv *priv, bool enable)
	74	{
	75	u32 val;
	76
	77	val = readl(priv->raminit_ctrlreg);
	78	if (enable)
	79	val \|= CAN_RAMINIT_START_MASK(priv->instance);
	80	else
	81	val &= ~CAN_RAMINIT_START_MASK(priv->instance);
	82	writel(val, priv->raminit_ctrlreg);
	83	}
	84
2469627d AC	85	static struct platform_device_id c_can_id_table[] = {
	86	[BOSCH_C_CAN_PLATFORM] = {
	87	.name = KBUILD_MODNAME,
	88	.driver_data = BOSCH_C_CAN,
	89	},
	90	[BOSCH_C_CAN] = {
	91	.name = "c_can",
	92	.driver_data = BOSCH_C_CAN,
	93	},
	94	[BOSCH_D_CAN] = {
	95	.name = "d_can",
	96	.driver_data = BOSCH_D_CAN,
	97	}, {
	98	}
	99	};
	100
	101	static const struct of_device_id c_can_of_table[] = {
	102	{ .compatible = "bosch,c_can", .data = &c_can_id_table[BOSCH_C_CAN] },
	103	{ .compatible = "bosch,d_can", .data = &c_can_id_table[BOSCH_D_CAN] },
	104	{ /* sentinel */ },
	105	};
	106
881ff67a BS	107	static int __devinit c_can_plat_probe(struct platform_device *pdev)
	108	{
	109	int ret;
	110	void __iomem *addr;
	111	struct net_device *dev;
	112	struct c_can_priv *priv;
2469627d	113	const struct of_device_id *match;
69927fcc	114	const struct platform_device_id *id;
006cd138	115	struct pinctrl *pinctrl;
52cde85a	116	struct resource mem, res;
b0052b08	117	int irq;
881ff67a BS	118	struct clk *clk;
881ff67a BS	119
2469627d AC	120	if (pdev->dev.of_node) {
	121	match = of_match_device(c_can_of_table, &pdev->dev);
	122	if (!match) {
	123	dev_err(&pdev->dev, "Failed to find matching dt id\n");
	124	ret = -EINVAL;
	125	goto exit;
	126	}
	127	id = match->data;
	128	} else {
	129	id = platform_get_device_id(pdev);
	130	}
	131
006cd138 AC	132	pinctrl = devm_pinctrl_get_select_default(&pdev->dev);
	133	if (IS_ERR(pinctrl))
	134	dev_warn(&pdev->dev,
	135	"failed to configure pins from driver\n");
	136
881ff67a BS	137	/* get the appropriate clk */
	138	clk = clk_get(&pdev->dev, NULL);
	139	if (IS_ERR(clk)) {
	140	dev_err(&pdev->dev, "no clock defined\n");
	141	ret = -ENODEV;
	142	goto exit;
	143	}
881ff67a BS	144
	145	/* get the platform data */
	146	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
b0052b08 MKB	147	irq = platform_get_irq(pdev, 0);
b0052b08 MKB	148	if (!mem \|\| irq <= 0) {
881ff67a BS	149	ret = -ENODEV;
	150	goto exit_free_clk;
	151	}
	152
	153	if (!request_mem_region(mem->start, resource_size(mem),
	154	KBUILD_MODNAME)) {
	155	dev_err(&pdev->dev, "resource unavailable\n");
	156	ret = -ENODEV;
	157	goto exit_free_clk;
	158	}
	159
	160	addr = ioremap(mem->start, resource_size(mem));
	161	if (!addr) {
	162	dev_err(&pdev->dev, "failed to map can port\n");
	163	ret = -ENOMEM;
	164	goto exit_release_mem;
	165	}
	166
	167	/* allocate the c_can device */
	168	dev = alloc_c_can_dev();
	169	if (!dev) {
	170	ret = -ENOMEM;
	171	goto exit_iounmap;
	172	}
	173
	174	priv = netdev_priv(dev);
69927fcc	175	switch (id->driver_data) {
f27b1db9	176	case BOSCH_C_CAN:
69927fcc AC	177	priv->regs = reg_map_c_can;
	178	switch (mem->flags & IORESOURCE_MEM_TYPE_MASK) {
	179	case IORESOURCE_MEM_32BIT:
	180	priv->read_reg = c_can_plat_read_reg_aligned_to_32bit;
	181	priv->write_reg = c_can_plat_write_reg_aligned_to_32bit;
	182	break;
	183	case IORESOURCE_MEM_16BIT:
	184	default:
	185	priv->read_reg = c_can_plat_read_reg_aligned_to_16bit;
	186	priv->write_reg = c_can_plat_write_reg_aligned_to_16bit;
	187	break;
	188	}
	189	break;
f27b1db9	190	case BOSCH_D_CAN:
69927fcc AC	191	priv->regs = reg_map_d_can;
	192	priv->can.ctrlmode_supported \|= CAN_CTRLMODE_3_SAMPLES;
	193	priv->read_reg = c_can_plat_read_reg_aligned_to_16bit;
	194	priv->write_reg = c_can_plat_write_reg_aligned_to_16bit;
52cde85a AC	195
	196	if (pdev->dev.of_node)
	197	priv->instance = of_alias_get_id(pdev->dev.of_node, "d_can");
	198	else
	199	priv->instance = pdev->id;
	200
	201	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	202	priv->raminit_ctrlreg = devm_request_and_ioremap(&pdev->dev, res);
	203	if (!priv->raminit_ctrlreg \|\| priv->instance < 0)
	204	dev_info(&pdev->dev, "control memory is not used for raminit\n");
	205	else
	206	priv->raminit = c_can_hw_raminit;
69927fcc AC	207	break;
	208	default:
	209	ret = -EINVAL;
	210	goto exit_free_device;
	211	}
881ff67a	212
b0052b08	213	dev->irq = irq;
33f81009	214	priv->base = addr;
4cdd34b2	215	priv->device = &pdev->dev;
881ff67a BS	216	priv->can.clock.freq = clk_get_rate(clk);
881ff67a BS	217	priv->priv = clk;
82120032	218	priv->type = id->driver_data;
881ff67a	219
881ff67a BS	220	platform_set_drvdata(pdev, dev);
	221	SET_NETDEV_DEV(dev, &pdev->dev);
	222
	223	ret = register_c_can_dev(dev);
	224	if (ret) {
	225	dev_err(&pdev->dev, "registering %s failed (err=%d)\n",
	226	KBUILD_MODNAME, ret);
	227	goto exit_free_device;
	228	}
	229
	230	dev_info(&pdev->dev, "%s device registered (regs=%p, irq=%d)\n",
33f81009	231	KBUILD_MODNAME, priv->base, dev->irq);
881ff67a BS	232	return 0;
	233
	234	exit_free_device:
	235	platform_set_drvdata(pdev, NULL);
	236	free_c_can_dev(dev);
	237	exit_iounmap:
	238	iounmap(addr);
	239	exit_release_mem:
	240	release_mem_region(mem->start, resource_size(mem));
	241	exit_free_clk:
881ff67a BS	242	clk_put(clk);
881ff67a BS	243	exit:
881ff67a BS	244	dev_err(&pdev->dev, "probe failed\n");
	245
	246	return ret;
	247	}
	248
	249	static int __devexit c_can_plat_remove(struct platform_device *pdev)
	250	{
	251	struct net_device *dev = platform_get_drvdata(pdev);
	252	struct c_can_priv *priv = netdev_priv(dev);
	253	struct resource *mem;
	254
	255	unregister_c_can_dev(dev);
	256	platform_set_drvdata(pdev, NULL);
	257
	258	free_c_can_dev(dev);
33f81009	259	iounmap(priv->base);
881ff67a BS	260
	261	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	262	release_mem_region(mem->start, resource_size(mem));
	263
881ff67a	264	clk_put(priv->priv);
881ff67a BS	265
	266	return 0;
	267	}
	268
82120032 AC	269	#ifdef CONFIG_PM
	270	static int c_can_suspend(struct platform_device *pdev, pm_message_t state)
	271	{
	272	int ret;
	273	struct net_device *ndev = platform_get_drvdata(pdev);
	274	struct c_can_priv *priv = netdev_priv(ndev);
	275
	276	if (priv->type != BOSCH_D_CAN) {
	277	dev_warn(&pdev->dev, "Not supported\n");
	278	return 0;
	279	}
	280
	281	if (netif_running(ndev)) {
	282	netif_stop_queue(ndev);
	283	netif_device_detach(ndev);
	284	}
	285
	286	ret = c_can_power_down(ndev);
	287	if (ret) {
	288	netdev_err(ndev, "failed to enter power down mode\n");
	289	return ret;
	290	}
	291
	292	priv->can.state = CAN_STATE_SLEEPING;
	293
	294	return 0;
	295	}
	296
	297	static int c_can_resume(struct platform_device *pdev)
	298	{
	299	int ret;
	300	struct net_device *ndev = platform_get_drvdata(pdev);
	301	struct c_can_priv *priv = netdev_priv(ndev);
	302
	303	if (priv->type != BOSCH_D_CAN) {
	304	dev_warn(&pdev->dev, "Not supported\n");
	305	return 0;
	306	}
	307
	308	ret = c_can_power_up(ndev);
	309	if (ret) {
	310	netdev_err(ndev, "Still in power down mode\n");
	311	return ret;
	312	}
	313
	314	priv->can.state = CAN_STATE_ERROR_ACTIVE;
	315
	316	if (netif_running(ndev)) {
	317	netif_device_attach(ndev);
	318	netif_start_queue(ndev);
	319	}
	320
	321	return 0;
	322	}
	323	#else
	324	#define c_can_suspend NULL
	325	#define c_can_resume NULL
	326	#endif
	327
881ff67a BS	328	static struct platform_driver c_can_plat_driver = {
	329	.driver = {
	330	.name = KBUILD_MODNAME,
	331	.owner = THIS_MODULE,
2469627d	332	.of_match_table = of_match_ptr(c_can_of_table),
881ff67a BS	333	},
	334	.probe = c_can_plat_probe,
	335	.remove = __devexit_p(c_can_plat_remove),
82120032 AC	336	.suspend = c_can_suspend,
82120032 AC	337	.resume = c_can_resume,
69927fcc	338	.id_table = c_can_id_table,
881ff67a BS	339	};
881ff67a BS	340
871d3372	341	module_platform_driver(c_can_plat_driver);
881ff67a BS	342
	343	MODULE_AUTHOR("Bhupesh Sharma <bhupesh.sharma@st.com>");
	344	MODULE_LICENSE("GPL v2");
	345	MODULE_DESCRIPTION("Platform CAN bus driver for Bosch C_CAN controller");