diff options
Diffstat (limited to 'drivers/net/can/mscan/mpc5xxx_can.c')
| -rw-r--r-- | drivers/net/can/mscan/mpc5xxx_can.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c index e4f4b5c9ebd6..b0ed798ae70f 100644 --- a/drivers/net/can/mscan/mpc5xxx_can.c +++ b/drivers/net/can/mscan/mpc5xxx_can.c @@ -5,7 +5,7 @@ * Copyright (C) 2004-2005 Andrey Volkov <avolkov@varma-el.com>, * Varma Electronics Oy * Copyright (C) 2008-2009 Wolfgang Grandegger <wg@grandegger.com> - * Copyright (C) 2009 Wolfram Sang, Pengutronix <w.sang@pengutronix.de> + * Copyright (C) 2009 Wolfram Sang, Pengutronix <kernel@pengutronix.de> */ #include <linux/kernel.h> @@ -14,6 +14,8 @@ #include <linux/platform_device.h> #include <linux/netdevice.h> #include <linux/can/dev.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> #include <sysdev/fsl_soc.h> #include <linux/clk.h> @@ -61,7 +63,7 @@ static u32 mpc52xx_can_get_clock(struct platform_device *ofdev, else *mscan_clksrc = MSCAN_CLKSRC_XTAL; - freq = mpc5xxx_get_bus_frequency(ofdev->dev.of_node); + freq = mpc5xxx_get_bus_frequency(&ofdev->dev); if (!freq) return 0; @@ -279,7 +281,6 @@ static u32 mpc512x_can_get_clock(struct platform_device *ofdev, static const struct of_device_id mpc5xxx_can_table[]; static int mpc5xxx_can_probe(struct platform_device *ofdev) { - const struct of_device_id *match; const struct mpc5xxx_can_data *data; struct device_node *np = ofdev->dev.of_node; struct net_device *dev; @@ -289,16 +290,13 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev) int irq, mscan_clksrc = 0; int err = -ENOMEM; - match = of_match_device(mpc5xxx_can_table, &ofdev->dev); - if (!match) + data = of_device_get_match_data(&ofdev->dev); + if (!data) return -EINVAL; - data = match->data; base = of_iomap(np, 0); - if (!base) { - dev_err(&ofdev->dev, "couldn't ioremap\n"); - return err; - } + if (!base) + return dev_err_probe(&ofdev->dev, err, "couldn't ioremap\n"); irq = irq_of_parse_and_map(np, 0); if (!irq) { @@ -319,20 +317,19 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev) clock_name = of_get_property(np, "fsl,mscan-clock-source", NULL); - BUG_ON(!data); priv->type = data->type; priv->can.clock.freq = data->get_clock(ofdev, clock_name, &mscan_clksrc); if (!priv->can.clock.freq) { dev_err(&ofdev->dev, "couldn't get MSCAN clock properties\n"); - goto exit_free_mscan; + goto exit_put_clock; } err = register_mscandev(dev, mscan_clksrc); if (err) { dev_err(&ofdev->dev, "registering %s failed (err=%d)\n", DRV_NAME, err); - goto exit_free_mscan; + goto exit_put_clock; } dev_info(&ofdev->dev, "MSCAN at 0x%p, irq %d, clock %d Hz\n", @@ -340,7 +337,9 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev) return 0; -exit_free_mscan: +exit_put_clock: + if (data->put_clock) + data->put_clock(ofdev); free_candev(dev); exit_dispose_irq: irq_dispose_mapping(irq); |