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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Zev Weiss <zev@bewilderbeest.net>
Cc: devicetree@vger.kernel.org, openbmc@lists.ozlabs.org,
	linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	Jeremy Kerr <jk@codeconstruct.com.au>,
	Frank Rowand <frowand.list@gmail.com>
Subject: Re: [PATCH 4/9] of: add self parameter to __of_sysfs_remove_bin_file()
Date: Thu, 7 Oct 2021 07:25:09 +0200	[thread overview]
Message-ID: <YV6EtWyHZNbc3InD@kroah.com> (raw)
In-Reply-To: <20211007000954.30621-5-zev@bewilderbeest.net>

On Wed, Oct 06, 2021 at 05:09:49PM -0700, Zev Weiss wrote:
> This allows using the function to remove a bin_attribute from that
> attribute's own methods (by calling sysfs_remove_bin_file_self()
> instead of sysfs_remove_bin_file()).
> 
> Signed-off-by: Zev Weiss <zev@bewilderbeest.net>
> ---
>  drivers/of/kobj.c       | 13 ++++++++-----
>  drivers/of/of_private.h |  2 +-
>  2 files changed, 9 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/of/kobj.c b/drivers/of/kobj.c
> index 6675b5e56960..06d6c90f7aa1 100644
> --- a/drivers/of/kobj.c
> +++ b/drivers/of/kobj.c
> @@ -84,12 +84,15 @@ int __of_add_property_sysfs(struct device_node *np, struct property *pp)
>  	return rc;
>  }
>  
> -void __of_sysfs_remove_bin_file(struct device_node *np, struct property *prop)
> +void __of_sysfs_remove_bin_file(struct device_node *np, struct property *prop, bool self)
>  {
>  	if (!IS_ENABLED(CONFIG_SYSFS))
>  		return;
>  
> -	sysfs_remove_bin_file(&np->kobj, &prop->attr);
> +	if (self)
> +		sysfs_remove_bin_file_self(&np->kobj, &prop->attr);
> +	else
> +		sysfs_remove_bin_file(&np->kobj, &prop->attr);
>  	kfree(prop->attr.attr.name);
>  }
>  
> @@ -97,7 +100,7 @@ void __of_remove_property_sysfs(struct device_node *np, struct property *prop)
>  {
>  	/* at early boot, bail here and defer setup to of_init() */
>  	if (of_kset && of_node_is_attached(np))
> -		__of_sysfs_remove_bin_file(np, prop);
> +		__of_sysfs_remove_bin_file(np, prop, false);
>  }
>  
>  void __of_update_property_sysfs(struct device_node *np, struct property *newprop,
> @@ -108,7 +111,7 @@ void __of_update_property_sysfs(struct device_node *np, struct property *newprop
>  		return;
>  
>  	if (oldprop)
> -		__of_sysfs_remove_bin_file(np, oldprop);
> +		__of_sysfs_remove_bin_file(np, oldprop, false);
>  	__of_add_property_sysfs(np, newprop);
>  }
>  
> @@ -157,7 +160,7 @@ void __of_detach_node_sysfs(struct device_node *np)
>  	/* only remove properties if on sysfs */
>  	if (of_node_is_attached(np)) {
>  		for_each_property_of_node(np, pp)
> -			__of_sysfs_remove_bin_file(np, pp);
> +			__of_sysfs_remove_bin_file(np, pp, false);
>  		kobject_del(&np->kobj);
>  	}
>  
> diff --git a/drivers/of/of_private.h b/drivers/of/of_private.h
> index 75e67b8bb826..fff157c63907 100644
> --- a/drivers/of/of_private.h
> +++ b/drivers/of/of_private.h
> @@ -134,7 +134,7 @@ extern int __of_update_property(struct device_node *np,
>  extern void __of_detach_node(struct device_node *np);
>  
>  extern void __of_sysfs_remove_bin_file(struct device_node *np,
> -				       struct property *prop);
> +                                       struct property *prop, bool selfremove);

Ick, no, now you have to go and find the function declaration every time
you see this called.  Adding random boolean flags to functions is not
how to make an api that works well, sorry.

greg k-h

  reply	other threads:[~2021-10-07  5:25 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-07  0:09 [PATCH 0/9] Dynamic DT device nodes Zev Weiss
2021-10-07  0:09 ` [PATCH 1/9] sysfs: add sysfs_remove_bin_file_self() function Zev Weiss
2021-10-07  5:23   ` Greg Kroah-Hartman
2021-10-07  5:58     ` Zev Weiss
2021-10-07  6:12       ` Greg Kroah-Hartman
2021-10-07  6:55         ` Zev Weiss
2021-10-07  0:09 ` [PATCH 2/9] sysfs: add growable flag to struct bin_attribute Zev Weiss
2021-10-07  0:09 ` [PATCH 3/9] lib/string: add sysfs_buf_streq() Zev Weiss
2021-10-07  0:09 ` [PATCH 4/9] of: add self parameter to __of_sysfs_remove_bin_file() Zev Weiss
2021-10-07  5:25   ` Greg Kroah-Hartman [this message]
2021-10-07  0:09 ` [PATCH 5/9] of: add self parameter to of_update_property() Zev Weiss
2021-10-07  5:26   ` Greg Kroah-Hartman
2021-10-07  0:09 ` [PATCH 6/9] of: add support for 'dynamic' DT property Zev Weiss
2021-10-08 18:51   ` Frank Rowand
2021-10-08 19:19     ` Frank Rowand
2021-10-11 13:58     ` Frank Rowand
2021-10-11 14:46       ` Frank Rowand
2021-10-11 17:35       ` Zev Weiss
2021-10-07  0:09 ` [PATCH 7/9] of: make OF_DYNAMIC selectable independently of OF_UNITTEST Zev Weiss
2021-10-08 19:01   ` Frank Rowand
2021-10-07  0:09 ` [PATCH 8/9] dt-bindings: document new 'dynamic' common property Zev Weiss
2021-10-07  5:26   ` Greg Kroah-Hartman
2021-10-07  6:03     ` Zev Weiss
2021-10-07  0:09 ` [PATCH 9/9] ARM: dts: aspeed: Add e3c246d4i BIOS flash device Zev Weiss
2021-10-07  2:46 ` [PATCH 0/9] Dynamic DT device nodes Florian Fainelli
2021-10-07  5:44   ` Zev Weiss
2021-10-07  7:04 ` Andy Shevchenko
2021-10-07  9:05   ` Zev Weiss
2021-10-07 10:31     ` Greg Kroah-Hartman
2021-10-07 15:41       ` Zev Weiss
2021-10-07 20:03         ` Rob Herring
2021-10-08  5:41           ` Greg Kroah-Hartman
2021-10-08 19:43           ` Frank Rowand

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