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author | David S. Miller <davem@davemloft.net> | 2012-07-08 03:29:29 +0400 |
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committer | David S. Miller <davem@davemloft.net> | 2012-07-08 03:29:29 +0400 |
commit | 8f961faef791f6cc8fb1d10817fa7af3efcb544e (patch) | |
tree | 0d4ecd861c575d7ebd235cea61eeea7cac034a25 /drivers | |
parent | 95162d652477f6e3d04687f5d39d443fcc64d8d7 (diff) | |
parent | f057bbb6f9ed0fb61ea11105c9ef0ed5ac1a354d (diff) | |
download | linux-8f961faef791f6cc8fb1d10817fa7af3efcb544e.tar.xz |
Merge branch 'for-davem' of git://gitorious.org/linux-can/linux-can-next
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/can/cc770/cc770.c | 2 | ||||
-rw-r--r-- | drivers/net/can/dev.c | 2 | ||||
-rw-r--r-- | drivers/net/can/flexcan.c | 71 |
3 files changed, 57 insertions, 18 deletions
diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c index d42a6a7396f2..a138db11cbf0 100644 --- a/drivers/net/can/cc770/cc770.c +++ b/drivers/net/can/cc770/cc770.c @@ -695,7 +695,7 @@ static void cc770_tx_interrupt(struct net_device *dev, unsigned int o) netif_wake_queue(dev); } -irqreturn_t cc770_interrupt(int irq, void *dev_id) +static irqreturn_t cc770_interrupt(int irq, void *dev_id) { struct net_device *dev = (struct net_device *)dev_id; struct cc770_priv *priv = netdev_priv(dev); diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 239e4dd92ca1..963e2ccd10db 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -401,7 +401,7 @@ EXPORT_SYMBOL_GPL(can_free_echo_skb); /* * CAN device restart for bus-off recovery */ -void can_restart(unsigned long data) +static void can_restart(unsigned long data) { struct net_device *dev = (struct net_device *)data; struct can_priv *priv = netdev_priv(dev); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 0f88cd3bb928..81324a11a50f 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -34,6 +34,7 @@ #include <linux/list.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/pinctrl/consumer.h> @@ -165,10 +166,21 @@ struct flexcan_regs { u32 imask1; /* 0x28 */ u32 iflag2; /* 0x2c */ u32 iflag1; /* 0x30 */ - u32 _reserved2[19]; + u32 crl2; /* 0x34 */ + u32 esr2; /* 0x38 */ + u32 imeur; /* 0x3c */ + u32 lrfr; /* 0x40 */ + u32 crcr; /* 0x44 */ + u32 rxfgmask; /* 0x48 */ + u32 rxfir; /* 0x4c */ + u32 _reserved3[12]; struct flexcan_mb cantxfg[64]; }; +struct flexcan_devtype_data { + u32 hw_ver; /* hardware controller version */ +}; + struct flexcan_priv { struct can_priv can; struct net_device *dev; @@ -180,6 +192,15 @@ struct flexcan_priv { struct clk *clk; struct flexcan_platform_data *pdata; + struct flexcan_devtype_data *devtype_data; +}; + +static struct flexcan_devtype_data fsl_p1010_devtype_data = { + .hw_ver = 3, +}; + +static struct flexcan_devtype_data fsl_imx6q_devtype_data = { + .hw_ver = 10, }; static struct can_bittiming_const flexcan_bittiming_const = { @@ -750,6 +771,9 @@ static int flexcan_chip_start(struct net_device *dev) flexcan_write(0x0, ®s->rx14mask); flexcan_write(0x0, ®s->rx15mask); + if (priv->devtype_data->hw_ver >= 10) + flexcan_write(0x0, ®s->rxfgmask); + flexcan_transceiver_switch(priv, 1); /* synchronize with the can bus */ @@ -922,8 +946,21 @@ static void __devexit unregister_flexcandev(struct net_device *dev) unregister_candev(dev); } +static const struct of_device_id flexcan_of_match[] = { + { .compatible = "fsl,p1010-flexcan", .data = &fsl_p1010_devtype_data, }, + { .compatible = "fsl,imx6q-flexcan", .data = &fsl_imx6q_devtype_data, }, + { /* sentinel */ }, +}; + +static const struct platform_device_id flexcan_id_table[] = { + { .name = "flexcan", .driver_data = (kernel_ulong_t)&fsl_p1010_devtype_data, }, + { /* sentinel */ }, +}; + static int __devinit flexcan_probe(struct platform_device *pdev) { + const struct of_device_id *of_id; + struct flexcan_devtype_data *devtype_data; struct net_device *dev; struct flexcan_priv *priv; struct resource *mem; @@ -938,14 +975,9 @@ static int __devinit flexcan_probe(struct platform_device *pdev) if (IS_ERR(pinctrl)) return PTR_ERR(pinctrl); - if (pdev->dev.of_node) { - const __be32 *clock_freq_p; - - clock_freq_p = of_get_property(pdev->dev.of_node, - "clock-frequency", NULL); - if (clock_freq_p) - clock_freq = be32_to_cpup(clock_freq_p); - } + if (pdev->dev.of_node) + of_property_read_u32(pdev->dev.of_node, + "clock-frequency", &clock_freq); if (!clock_freq) { clk = clk_get(&pdev->dev, NULL); @@ -982,6 +1014,17 @@ static int __devinit flexcan_probe(struct platform_device *pdev) goto failed_alloc; } + of_id = of_match_device(flexcan_of_match, &pdev->dev); + if (of_id) { + devtype_data = of_id->data; + } else if (pdev->id_entry->driver_data) { + devtype_data = (struct flexcan_devtype_data *) + pdev->id_entry->driver_data; + } else { + err = -ENODEV; + goto failed_devtype; + } + dev->netdev_ops = &flexcan_netdev_ops; dev->irq = irq; dev->flags |= IFF_ECHO; @@ -998,6 +1041,7 @@ static int __devinit flexcan_probe(struct platform_device *pdev) priv->dev = dev; priv->clk = clk; priv->pdata = pdev->dev.platform_data; + priv->devtype_data = devtype_data; netif_napi_add(dev, &priv->napi, flexcan_poll, FLEXCAN_NAPI_WEIGHT); @@ -1016,6 +1060,7 @@ static int __devinit flexcan_probe(struct platform_device *pdev) return 0; failed_register: + failed_devtype: free_candev(dev); failed_alloc: iounmap(base); @@ -1049,13 +1094,6 @@ static int __devexit flexcan_remove(struct platform_device *pdev) return 0; } -static struct of_device_id flexcan_of_match[] = { - { - .compatible = "fsl,p1010-flexcan", - }, - {}, -}; - #ifdef CONFIG_PM static int flexcan_suspend(struct platform_device *pdev, pm_message_t state) { @@ -1102,6 +1140,7 @@ static struct platform_driver flexcan_driver = { .remove = __devexit_p(flexcan_remove), .suspend = flexcan_suspend, .resume = flexcan_resume, + .id_table = flexcan_id_table, }; module_platform_driver(flexcan_driver); |