de41189bf6
Apparently other parts of the kernel need to know the modalias internally (like the sysfs code in macintosh driver). To avoid consistency issues, we export this code and use it everywhere it's needed rather than repeat it ... Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
#ifndef _ASM_POWERPC_OF_DEVICE_H
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#define _ASM_POWERPC_OF_DEVICE_H
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#ifdef __KERNEL__
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#include <linux/device.h>
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#include <linux/mod_devicetable.h>
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#include <asm/prom.h>
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/*
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* The of_device is a kind of "base class" that is a superset of
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* struct device for use by devices attached to an OF node and
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* probed using OF properties
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*/
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struct of_device
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{
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struct device_node *node; /* to be obsoleted */
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u64 dma_mask; /* DMA mask */
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struct device dev; /* Generic device interface */
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};
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#define to_of_device(d) container_of(d, struct of_device, dev)
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extern const struct of_device_id *of_match_node(
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const struct of_device_id *matches, const struct device_node *node);
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extern const struct of_device_id *of_match_device(
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const struct of_device_id *matches, const struct of_device *dev);
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extern struct of_device *of_dev_get(struct of_device *dev);
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extern void of_dev_put(struct of_device *dev);
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extern int of_device_register(struct of_device *ofdev);
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extern void of_device_unregister(struct of_device *ofdev);
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extern void of_release_dev(struct device *dev);
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extern ssize_t of_device_get_modalias(struct of_device *ofdev,
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char *str, ssize_t len);
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extern int of_device_uevent(struct device *dev,
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char **envp, int num_envp, char *buffer, int buffer_size);
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#endif /* __KERNEL__ */
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#endif /* _ASM_POWERPC_OF_DEVICE_H */
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