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of: Add function for generating a DT modalias with a newline

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The modalias sysfs attr is lacking a newline for DT aliases on platform
devices. The macio and ibmebus correctly add the newline, but open code it.
Introduce a new function, of_device_modalias(), that fills the buffer with
the modalias including the newline and update users of the old
of_device_get_modalias function.

Signed-off-by: Rob Herring <robh@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: linuxppc-dev@lists.ozlabs.org
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Rob Herring
2017-03-22 09:16:27 -05:00
parent bcf54d5385
commit 0634c29589
7 changed files with 24 additions and 22 deletions
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7
include/linux/of_device.h
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@@ -34,8 +34,7 @@ extern void of_device_unregister(struct platform_device *ofdev);
extern const void *of_device_get_match_data(const struct device *dev);
extern ssize_t of_device_get_modalias(struct device *dev,
char *str, ssize_t len);
extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);
extern int of_device_request_module(struct device *dev);
extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
@@ -72,8 +71,8 @@ static inline const void *of_device_get_match_data(const struct device *dev)
return NULL;
}
static inline int of_device_get_modalias(struct device *dev,
char *str, ssize_t len)
static inline int of_device_modalias(struct device *dev,
char *str, ssize_t len)
{
return -ENODEV;
}