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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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eb0cb8a07e
This common uevent handler allow the several bus types based on of_device to generate the uevent properly and avoiding code duplication. This handlers take a struct device as argument and can therefore be used as the uevent call directly if no special treatment is needed for the bus. Signed-off-by: Sylvain Munaut <tnt@246tNt.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
40 lines
1.2 KiB
C
40 lines
1.2 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 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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