diff options
| -rw-r--r-- | Documentation/devicetree/bindings/net/can/sja1000.txt | 4 | ||||
| -rw-r--r-- | drivers/net/can/at91_can.c | 9 | ||||
| -rw-r--r-- | drivers/net/can/dev.c | 24 | ||||
| -rw-r--r-- | drivers/net/can/sja1000/Kconfig | 13 | ||||
| -rw-r--r-- | drivers/net/can/sja1000/Makefile | 1 | ||||
| -rw-r--r-- | drivers/net/can/sja1000/sja1000.c | 3 | ||||
| -rw-r--r-- | drivers/net/can/sja1000/sja1000_of_platform.c | 220 | ||||
| -rw-r--r-- | drivers/net/can/sja1000/sja1000_platform.c | 194 | ||||
| -rw-r--r-- | include/linux/can/dev.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/can.h | 32 |
10 files changed, 206 insertions, 296 deletions
diff --git a/Documentation/devicetree/bindings/net/can/sja1000.txt b/Documentation/devicetree/bindings/net/can/sja1000.txt index f2105a47ec87..b4a6d53fb01a 100644 --- a/Documentation/devicetree/bindings/net/can/sja1000.txt +++ b/Documentation/devicetree/bindings/net/can/sja1000.txt @@ -12,6 +12,10 @@ Required properties: Optional properties: +- reg-io-width : Specify the size (in bytes) of the IO accesses that + should be performed on the device. Valid value is 1, 2 or 4. + Default to 1 (8 bits). + - nxp,external-clock-frequency : Frequency of the external oscillator clock in Hz. Note that the internal clock frequency used by the SJA1000 is half of that value. If not specified, a default value diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index 6efe27458116..1d00b95f8983 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -420,7 +420,11 @@ static void at91_chip_start(struct net_device *dev) at91_transceiver_switch(priv, 1); /* enable chip */ - at91_write(priv, AT91_MR, AT91_MR_CANEN); + if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) + reg_mr = AT91_MR_CANEN | AT91_MR_ABM; + else + reg_mr = AT91_MR_CANEN; + at91_write(priv, AT91_MR, reg_mr); priv->can.state = CAN_STATE_ERROR_ACTIVE; @@ -1341,7 +1345,8 @@ static int at91_can_probe(struct platform_device *pdev) priv->can.bittiming_const = &at91_bittiming_const; priv->can.do_set_mode = at91_set_mode; priv->can.do_get_berr_counter = at91_get_berr_counter; - priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES; + priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | + CAN_CTRLMODE_LISTENONLY; priv->dev = dev; priv->reg_base = addr; priv->devtype_data = *devtype_data; diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index fc59bc6f040b..c0563f183721 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -512,6 +512,30 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf) } EXPORT_SYMBOL_GPL(alloc_can_skb); +struct sk_buff *alloc_canfd_skb(struct net_device *dev, + struct canfd_frame **cfd) +{ + struct sk_buff *skb; + + skb = netdev_alloc_skb(dev, sizeof(struct can_skb_priv) + + sizeof(struct canfd_frame)); + if (unlikely(!skb)) + return NULL; + + skb->protocol = htons(ETH_P_CANFD); + skb->pkt_type = PACKET_BROADCAST; + skb->ip_summed = CHECKSUM_UNNECESSARY; + + can_skb_reserve(skb); + can_skb_prv(skb)->ifindex = dev->ifindex; + + *cfd = (struct canfd_frame *)skb_put(skb, sizeof(struct canfd_frame)); + memset(*cfd, 0, sizeof(struct canfd_frame)); + + return skb; +} +EXPORT_SYMBOL_GPL(alloc_canfd_skb); + struct sk_buff *alloc_can_err_skb(struct net_device *dev, struct can_frame **cf) { struct sk_buff *skb; diff --git a/drivers/net/can/sja1000/Kconfig b/drivers/net/can/sja1000/Kconfig index ff2ba86cd4a4..4b18b8765523 100644 --- a/drivers/net/can/sja1000/Kconfig +++ b/drivers/net/can/sja1000/Kconfig @@ -17,16 +17,9 @@ config CAN_SJA1000_PLATFORM the "platform bus" (Linux abstraction for directly to the processor attached devices). Which can be found on various boards from Phytec (http://www.phytec.de) like the PCM027, - PCM038. - -config CAN_SJA1000_OF_PLATFORM - tristate "Generic OF Platform Bus based SJA1000 driver" - depends on OF - ---help--- - This driver adds support for the SJA1000 chips connected to - the OpenFirmware "platform bus" found on embedded systems with - OpenFirmware bindings, e.g. if you have a PowerPC based system - you may want to enable this option. + PCM038. It also provides the OpenFirmware "platform bus" found + on embedded systems with OpenFirmware bindings, e.g. if you + have a PowerPC based system you may want to enable this option. config CAN_EMS_PCMCIA tristate "EMS CPC-CARD Card" diff --git a/drivers/net/can/sja1000/Makefile b/drivers/net/can/sja1000/Makefile index b3d05cbfec36..531d5fcc97e5 100644 --- a/drivers/net/can/sja1000/Makefile +++ b/drivers/net/can/sja1000/Makefile @@ -5,7 +5,6 @@ obj-$(CONFIG_CAN_SJA1000) += sja1000.o obj-$(CONFIG_CAN_SJA1000_ISA) += sja1000_isa.o obj-$(CONFIG_CAN_SJA1000_PLATFORM) += sja1000_platform.o -obj-$(CONFIG_CAN_SJA1000_OF_PLATFORM) += sja1000_of_platform.o obj-$(CONFIG_CAN_EMS_PCMCIA) += ems_pcmcia.o obj-$(CONFIG_CAN_EMS_PCI) += ems_pci.o obj-$(CONFIG_CAN_KVASER_PCI) += kvaser_pci.o diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index f17c3018b7c7..55cce4737518 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -106,8 +106,7 @@ static int sja1000_probe_chip(struct net_device *dev) struct sja1000_priv *priv = netdev_priv(dev); if (priv->reg_base && sja1000_is_absent(priv)) { - printk(KERN_INFO "%s: probing @0x%lX failed\n", - DRV_NAME, dev->base_addr); + netdev_err(dev, "probing failed\n"); return 0; } return -1; diff --git a/drivers/net/can/sja1000/sja1000_of_platform.c b/drivers/net/can/sja1000/sja1000_of_platform.c deleted file mode 100644 index 2f6e24534231..000000000000 --- a/drivers/net/can/sja1000/sja1000_of_platform.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * Driver for SJA1000 CAN controllers on the OpenFirmware platform bus - * - * Copyright (C) 2008-2009 Wolfgang Grandegger <wg@grandegger.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the version 2 of the GNU General Public License - * as published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -/* This is a generic driver for SJA1000 chips on the OpenFirmware platform - * bus found on embedded PowerPC systems. You need a SJA1000 CAN node - * definition in your flattened device tree source (DTS) file similar to: - * - * can@3,100 { - * compatible = "nxp,sja1000"; - * reg = <3 0x100 0x80>; - * interrupts = <2 0>; - * interrupt-parent = <&mpic>; - * nxp,external-clock-frequency = <16000000>; - * }; - * - * See "Documentation/devicetree/bindings/net/can/sja1000.txt" for further - * information. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/netdevice.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/can/dev.h> - -#include <linux/of_platform.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> - -#include "sja1000.h" - -#define DRV_NAME "sja1000_of_platform" - -MODULE_AUTHOR("Wolfgang Grandegger <wg@grandegger.com>"); -MODULE_DESCRIPTION("Socket-CAN driver for SJA1000 on the OF platform bus"); -MODULE_LICENSE("GPL v2"); - -#define SJA1000_OFP_CAN_CLOCK (16000000 / 2) - -#define SJA1000_OFP_OCR OCR_TX0_PULLDOWN -#define SJA1000_OFP_CDR (CDR_CBP | CDR_CLK_OFF) - -static u8 sja1000_ofp_read_reg(const struct sja1000_priv *priv, int reg) -{ - return ioread8(priv->reg_base + reg); -} - -static void sja1000_ofp_write_reg(const struct sja1000_priv *priv, - int reg, u8 val) -{ - iowrite8(val, priv->reg_base + reg); -} - -static int sja1000_ofp_remove(struct platform_device *ofdev) -{ - struct net_device *dev = platform_get_drvdata(ofdev); - struct sja1000_priv *priv = netdev_priv(dev); - struct device_node *np = ofdev->dev.of_node; - struct resource res; - - unregister_sja1000dev(dev); - free_sja1000dev(dev); - iounmap(priv->reg_base); - irq_dispose_mapping(dev->irq); - - of_address_to_resource(np, 0, &res); - release_mem_region(res.start, resource_size(&res)); - - return 0; -} - -static int sja1000_ofp_probe(struct platform_device *ofdev) -{ - struct device_node *np = ofdev->dev.of_node; - struct net_device *dev; - struct sja1000_priv *priv; - struct resource res; - u32 prop; - int err, irq, res_size; - void __iomem *base; - - err = of_address_to_resource(np, 0, &res); - if (err) { - dev_err(&ofdev->dev, "invalid address\n"); - return err; - } - - res_size = resource_size(&res); - - if (!request_mem_region(res.start, res_size, DRV_NAME)) { - dev_err(&ofdev->dev, "couldn't request %pR\n", &res); - return -EBUSY; - } - - base = ioremap_nocache(res.start, res_size); - if (!base) { - dev_err(&ofdev->dev, "couldn't ioremap %pR\n", &res); - err = -ENOMEM; - goto exit_release_mem; - } - - irq = irq_of_parse_and_map(np, 0); - if (irq == 0) { - dev_err(&ofdev->dev, "no irq found\n"); - err = -ENODEV; - goto exit_unmap_mem; - } - - dev = alloc_sja1000dev(0); - if (!dev) { - err = -ENOMEM; - goto exit_dispose_irq; - } - - priv = netdev_priv(dev); - - priv->read_reg = sja1000_ofp_read_reg; - priv->write_reg = sja1000_ofp_write_reg; - - err = of_property_read_u32(np, "nxp,external-clock-frequency", &prop); - if (!err) - priv->can.clock.freq = prop / 2; - else - priv->can.clock.freq = SJA1000_OFP_CAN_CLOCK; /* default */ - - err = of_property_read_u32(np, "nxp,tx-output-mode", &prop); - if (!err) - priv->ocr |= prop & OCR_MODE_MASK; - else - priv->ocr |= OCR_MODE_NORMAL; /* default */ - - err = of_property_read_u32(np, "nxp,tx-output-config", &prop); - if (!err) - priv->ocr |= (prop << OCR_TX_SHIFT) & OCR_TX_MASK; - else - priv->ocr |= OCR_TX0_PULLDOWN; /* default */ - - err = of_property_read_u32(np, "nxp,clock-out-frequency", &prop); - if (!err && prop) { - u32 divider = priv->can.clock.freq * 2 / prop; - - if (divider > 1) - priv->cdr |= divider / 2 - 1; - else - priv->cdr |= CDR_CLKOUT_MASK; - } else { - priv->cdr |= CDR_CLK_OFF; /* default */ - } - - if (!of_property_read_bool(np, "nxp,no-comparator-bypass")) - priv->cdr |= CDR_CBP; /* default */ - - priv->irq_flags = IRQF_SHARED; - priv->reg_base = base; - - dev->irq = irq; - - dev_info(&ofdev->dev, - "reg_base=0x%p irq=%d clock=%d ocr=0x%02x cdr=0x%02x\n", - priv->reg_base, dev->irq, priv->can.clock.freq, - priv->ocr, priv->cdr); - - platform_set_drvdata(ofdev, dev); - SET_NETDEV_DEV(dev, &ofdev->dev); - - err = register_sja1000dev(dev); - if (err) { - dev_err(&ofdev->dev, "registering %s failed (err=%d)\n", - DRV_NAME, err); - goto exit_free_sja1000; - } - - return 0; - -exit_free_sja1000: - free_sja1000dev(dev); -exit_dispose_irq: - irq_dispose_mapping(irq); -exit_unmap_mem: - iounmap(base); -exit_release_mem: - release_mem_region(res.start, res_size); - - return err; -} - -static struct of_device_id sja1000_ofp_table[] = { - {.compatible = "nxp,sja1000"}, - {}, -}; -MODULE_DEVICE_TABLE(of, sja1000_ofp_table); - -static struct platform_driver sja1000_ofp_driver = { - .driver = { - .owner = THIS_MODULE, - .name = DRV_NAME, - .of_match_table = sja1000_ofp_table, - }, - .probe = sja1000_ofp_probe, - .remove = sja1000_ofp_remove, -}; - -module_platform_driver(sja1000_ofp_driver); diff --git a/drivers/net/can/sja1000/sja1000_platform.c b/drivers/net/can/sja1000/sja1000_platform.c index 943df645b459..95a844a7ee7b 100644 --- a/drivers/net/can/sja1000/sja1000_platform.c +++ b/drivers/net/can/sja1000/sja1000_platform.c @@ -26,12 +26,16 @@ #include <linux/can/dev.h> #include <linux/can/platform/sja1000.h> #include <linux/io.h> +#include <linux/of.h> +#include <linux/of_irq.h> #include "sja1000.h" #define DRV_NAME "sja1000_platform" +#define SP_CAN_CLOCK (16000000 / 2) MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); +MODULE_AUTHOR("Wolfgang Grandegger <wg@grandegger.com>"); MODULE_DESCRIPTION("Socket-CAN driver for SJA1000 on the platform bus"); MODULE_ALIAS("platform:" DRV_NAME); MODULE_LICENSE("GPL v2"); @@ -66,59 +70,16 @@ static void sp_write_reg32(const struct sja1000_priv *priv, int reg, u8 val) iowrite8(val, priv->reg_base + reg * 4); } -static int sp_probe(struct platform_device *pdev) +static void sp_populate(struct sja1000_priv *priv, + struct sja1000_platform_data *pdata, + unsigned long resource_mem_flags) { - int err; - void __iomem *addr; - struct net_device *dev; - struct sja1000_priv *priv; - struct resource *res_mem, *res_irq; - struct sja1000_platform_data *pdata; - - pdata = dev_get_platdata(&pdev->dev); - if (!pdata) { - dev_err(&pdev->dev, "No platform data provided!\n"); - err = -ENODEV; - goto exit; - } - - res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res_mem || !res_irq) { - err = -ENODEV; - goto exit; - } - - if (!request_mem_region(res_mem->start, resource_size(res_mem), - DRV_NAME)) { - err = -EBUSY; - goto exit; - } - - addr = ioremap_nocache(res_mem->start, resource_size(res_mem)); - if (!addr) { - err = -ENOMEM; - goto exit_release; - } - - dev = alloc_sja1000dev(0); - if (!dev) { - err = -ENOMEM; - goto exit_iounmap; - } - priv = netdev_priv(dev); - - dev->irq = res_irq->start; - priv->irq_flags = res_irq->flags & IRQF_TRIGGER_MASK; - if (res_irq->flags & IORESOURCE_IRQ_SHAREABLE) - priv->irq_flags |= IRQF_SHARED; - priv->reg_base = addr; /* The CAN clock frequency is half the oscillator clock frequency */ priv->can.clock.freq = pdata->osc_freq / 2; priv->ocr = pdata->ocr; priv->cdr = pdata->cdr; - switch (res_mem->flags & IORESOURCE_MEM_TYPE_MASK) { + switch (resource_mem_flags & IORESOURCE_MEM_TYPE_MASK) { case IORESOURCE_MEM_32BIT: priv->read_reg = sp_read_reg32; priv->write_reg = sp_write_reg32; @@ -133,6 +94,124 @@ static int sp_probe(struct platform_device *pdev) priv->write_reg = sp_write_reg8; break; } +} + +static void sp_populate_of(struct sja1000_priv *priv, struct device_node *of) +{ + int err; + u32 prop; + + err = of_property_read_u32(of, "reg-io-width", &prop); + if (err) + prop = 1; /* 8 bit is default */ + + switch (prop) { + case 4: + priv->read_reg = sp_read_reg32; + priv->write_reg = sp_write_reg32; + break; + case 2: + priv->read_reg = sp_read_reg16; + priv->write_reg = sp_write_reg16; + break; + case 1: /* fallthrough */ + default: + priv->read_reg = sp_read_reg8; + priv->write_reg = sp_write_reg8; + } + + err = of_property_read_u32(of, "nxp,external-clock-frequency", &prop); + if (!err) + priv->can.clock.freq = prop / 2; + else + priv->can.clock.freq = SP_CAN_CLOCK; /* default */ + + err = of_property_read_u32(of, "nxp,tx-output-mode", &prop); + if (!err) + priv->ocr |= prop & OCR_MODE_MASK; + else + priv->ocr |= OCR_MODE_NORMAL; /* default */ + + err = of_property_read_u32(of, "nxp,tx-output-config", &prop); + if (!err) + priv->ocr |= (prop << OCR_TX_SHIFT) & OCR_TX_MASK; + else + priv->ocr |= OCR_TX0_PULLDOWN; /* default */ + + err = of_property_read_u32(of, "nxp,clock-out-frequency", &prop); + if (!err && prop) { + u32 divider = priv->can.clock.freq * 2 / prop; + + if (divider > 1) + priv->cdr |= divider / 2 - 1; + else + priv->cdr |= CDR_CLKOUT_MASK; + } else { + priv->cdr |= CDR_CLK_OFF; /* default */ + } + + if (!of_property_read_bool(of, "nxp,no-comparator-bypass")) + priv->cdr |= CDR_CBP; /* default */ +} + +static int sp_probe(struct platform_device *pdev) +{ + int err, irq = 0; + void __iomem *addr; + struct net_device *dev; + struct sja1000_priv *priv; + struct resource *res_mem, *res_irq = NULL; + struct sja1000_platform_data *pdata; + struct device_node *of = pdev->dev.of_node; + + pdata = dev_get_platdata(&pdev->dev); + if (!pdata && !of) { + dev_err(&pdev->dev, "No platform data provided!\n"); + return -ENODEV; + } + + res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res_mem) + return -ENODEV; + + if (!devm_request_mem_region(&pdev->dev, res_mem->start, + resource_size(res_mem), DRV_NAME)) + return -EBUSY; + + addr = devm_ioremap_nocache(&pdev->dev, res_mem->start, + resource_size(res_mem)); + if (!addr) + return -ENOMEM; + + if (of) + irq = irq_of_parse_and_map(of, 0); + else + res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + + if (!irq && !res_irq) + return -ENODEV; + + dev = alloc_sja1000dev(0); + if (!dev) + return -ENOMEM; + priv = netdev_priv(dev); + + if (res_irq) { + irq = res_irq->start; + priv->irq_flags = res_irq->flags & IRQF_TRIGGER_MASK; + if (res_irq->flags & IORESOURCE_IRQ_SHAREABLE) + priv->irq_flags |= IRQF_SHARED; + } else { + priv->irq_flags = IRQF_SHARED; + } + + dev->irq = irq; + priv->reg_base = addr; + + if (of) + sp_populate_of(priv, of); + else + sp_populate(priv, pdata, res_mem->flags); platform_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); @@ -150,39 +229,32 @@ static int sp_probe(struct platform_device *pdev) exit_free: free_sja1000dev(dev); - exit_iounmap: - iounmap(addr); - exit_release: - release_mem_region(res_mem->start, resource_size(res_mem)); - exit: return err; } static int sp_remove(struct platform_device *pdev) { struct net_device *dev = platform_get_drvdata(pdev); - struct sja1000_priv *priv = netdev_priv(dev); - struct resource *res; unregister_sja1000dev(dev); - - if (priv->reg_base) - iounmap(priv->reg_base); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, resource_size(res)); - free_sja1000dev(dev); return 0; } +static struct of_device_id sp_of_table[] = { + {.compatible = "nxp,sja1000"}, + {}, +}; +MODULE_DEVICE_TABLE(of, sp_of_table); + static struct platform_driver sp_driver = { .probe = sp_probe, .remove = sp_remove, .driver = { .name = DRV_NAME, .owner = THIS_MODULE, + .of_match_table = sp_of_table, }, }; diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index fb0ab651a041..dc5f9026b67f 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -124,6 +124,8 @@ unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx); void can_free_echo_skb(struct net_device *dev, unsigned int idx); struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf); +struct sk_buff *alloc_canfd_skb(struct net_device *dev, + struct canfd_frame **cfd); struct sk_buff *alloc_can_err_skb(struct net_device *dev, struct can_frame **cf); diff --git a/include/uapi/linux/can.h b/include/uapi/linux/can.h index e52958d7c2d1..5d9d1d140718 100644 --- a/include/uapi/linux/can.h +++ b/include/uapi/linux/can.h @@ -8,6 +8,38 @@ * Copyright (c) 2002-2007 Volkswagen Group Electronic Research * All rights reserved. * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Volkswagen nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Alternatively, provided that this notice is retained in full, this + * software may be distributed under the terms of the GNU General + * Public License ("GPL") version 2, in which case the provisions of the + * GPL apply INSTEAD OF those given above. + * + * The provided data structures and external interfaces from this code + * are not restricted to be used by modules with a GPL compatible license. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. */ #ifndef CAN_H |