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			88 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From 5a819175b911ce33f3337e1e069d4bcea1ec4788 Mon Sep 17 00:00:00 2001
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| From: Philipp Zabel <p.zabel@pengutronix.de>
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| Date: Thu, 29 Oct 2015 09:55:00 +0100
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| Subject: [PATCH] reset: use ENOTSUPP instead of ENOSYS
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| 
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| ENOSYS is reserved to report invalid syscalls to userspace.
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| Consistently return ENOTSUPP to indicate that the driver doesn't support
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| the functionality or the reset framework is not enabled at all.
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| 
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| Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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| ---
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|  drivers/reset/core.c  | 8 ++++----
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|  include/linux/reset.h | 8 ++++----
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|  2 files changed, 8 insertions(+), 8 deletions(-)
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| 
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| --- a/drivers/reset/core.c
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| +++ b/drivers/reset/core.c
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| @@ -95,7 +95,7 @@ int reset_control_reset(struct reset_con
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|  	if (rstc->rcdev->ops->reset)
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|  		return rstc->rcdev->ops->reset(rstc->rcdev, rstc->id);
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|  
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| -	return -ENOSYS;
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| +	return -ENOTSUPP;
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|  }
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|  EXPORT_SYMBOL_GPL(reset_control_reset);
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|  
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| @@ -108,7 +108,7 @@ int reset_control_assert(struct reset_co
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|  	if (rstc->rcdev->ops->assert)
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|  		return rstc->rcdev->ops->assert(rstc->rcdev, rstc->id);
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|  
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| -	return -ENOSYS;
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| +	return -ENOTSUPP;
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|  }
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|  EXPORT_SYMBOL_GPL(reset_control_assert);
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|  
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| @@ -121,7 +121,7 @@ int reset_control_deassert(struct reset_
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|  	if (rstc->rcdev->ops->deassert)
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|  		return rstc->rcdev->ops->deassert(rstc->rcdev, rstc->id);
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|  
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| -	return -ENOSYS;
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| +	return -ENOTSUPP;
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|  }
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|  EXPORT_SYMBOL_GPL(reset_control_deassert);
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|  
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| @@ -136,7 +136,7 @@ int reset_control_status(struct reset_co
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|  	if (rstc->rcdev->ops->status)
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|  		return rstc->rcdev->ops->status(rstc->rcdev, rstc->id);
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|  
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| -	return -ENOSYS;
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| +	return -ENOTSUPP;
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|  }
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|  EXPORT_SYMBOL_GPL(reset_control_status);
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|  
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| --- a/include/linux/reset.h
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| +++ b/include/linux/reset.h
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| @@ -74,7 +74,7 @@ static inline void reset_control_put(str
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|  
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|  static inline int device_reset_optional(struct device *dev)
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|  {
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| -	return -ENOSYS;
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| +	return -ENOTSUPP;
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|  }
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|  
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|  static inline struct reset_control *__must_check reset_control_get(
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| @@ -94,19 +94,19 @@ static inline struct reset_control *__mu
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|  static inline struct reset_control *reset_control_get_optional(
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|  					struct device *dev, const char *id)
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|  {
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| -	return ERR_PTR(-ENOSYS);
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| +	return ERR_PTR(-ENOTSUPP);
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|  }
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|  
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|  static inline struct reset_control *devm_reset_control_get_optional(
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|  					struct device *dev, const char *id)
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|  {
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| -	return ERR_PTR(-ENOSYS);
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| +	return ERR_PTR(-ENOTSUPP);
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|  }
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|  
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|  static inline struct reset_control *of_reset_control_get(
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|  				struct device_node *node, const char *id)
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|  {
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| -	return ERR_PTR(-ENOSYS);
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| +	return ERR_PTR(-ENOTSUPP);
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|  }
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|  
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|  static inline struct reset_control *of_reset_control_get_by_index(
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