Re: [PATCH 2/3] net/fec: add device tree support
From: Greg Ungerer <hidden>
Date: 2011-06-20 00:05:53
Also in:
linux-arm-kernel, lkml, netdev
On 19/06/11 22:11, Arnd Bergmann wrote:
On Sunday 19 June 2011 13:39:32 Greg Ungerer wrote:quoted
quoted
+#ifdef CONFIG_OF +static const struct of_device_id fec_dt_ids[] = { + { .compatible = "fsl,fec", .data =&fec_devtype[0], }, + {}, +}; + +static const struct of_device_id * +fec_get_of_device_id(struct platform_device *pdev) +{ + return of_match_device(fec_dt_ids,&pdev->dev); +} +#else +#define fec_dt_ids NULL +static inline struct of_device_id * +fec_get_of_device_id(struct platform_device *pdev) +{ + return NULL; +} +#endif + static unsigned char macaddr[ETH_ALEN]; module_param_array(macaddr, byte, NULL, 0); MODULE_PARM_DESC(macaddr, "FEC Ethernet MAC address");@@ -1363,6 +1385,11 @@ fec_probe(struct platform_device *pdev) struct net_device *ndev; int i, irq, ret = 0; struct resource *r; + const struct of_device_id *of_id; + + of_id = fec_get_of_device_id(pdev);fec_get_of_device_id() is defined inside of "#ifdef CONFIG_OF". This use of it will break compilation when this is not defined.Why? Note the #else path defining an empty function.
Sorry, missed that :-) Regards Greg ------------------------------------------------------------------------ Greg Ungerer -- Principal Engineer EMAIL: gerg@snapgear.com SnapGear Group, McAfee PHONE: +61 7 3435 2888 8 Gardner Close FAX: +61 7 3217 5323 Milton, QLD, 4064, Australia WEB: http://www.SnapGear.com