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USB: musb: clean up debugfs file and directory creation

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Because of this, lots of init functions do not need to have return
values, so this cleans up a lot of unused error handling code that never
could have triggered in the past.

Cc: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2018-05-29 17:30:48 +02:00
parent a941fc3957
commit 8a1ef171ff
4 changed files with 11 additions and 52 deletions
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5
drivers/usb/musb/musb_debug.h
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@@ -20,12 +20,11 @@
void musb_dbg(struct musb *musb, const char *fmt, ...);
#ifdef CONFIG_DEBUG_FS
int musb_init_debugfs(struct musb *musb);
void musb_init_debugfs(struct musb *musb);
void musb_exit_debugfs(struct musb *musb);
#else
static inline int musb_init_debugfs(struct musb *musb)
static inline void musb_init_debugfs(struct musb *musb)
{
return 0;
}
static inline void musb_exit_debugfs(struct musb *musb)
{