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Re: [PATCH 1/5] staging: wilc1000: avoid arrray of 'wilc_debugfs_info_t' type

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Hi Greg,

On Sun, 12 Aug 2018 17:24:21 +0200
Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:

> On Sun, Aug 12, 2018 at 05:18:29PM +0530, Ajay Singh wrote:
> > Hi Greg,
> > 
> > On Sun, 12 Aug 2018 13:29:30 +0200
> > Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> > 
> > > On Sun, Aug 12, 2018 at 10:17:41AM +0530, Ajay Singh wrote:
> > > > Refactor code by removing array of 'wilc_debugfs_info_t' type
> > > > and use single variable to store 'wilc_debugfs_info_t' struct
> > > > value.
> > > > 
> > > > Signed-off-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
> > > > ---
> > > >  drivers/staging/wilc1000/wilc_debugfs.c | 26
> > > > +++++++++----------------- 1 file changed, 9 insertions(+), 17
> > > > deletions(-)
> > > > 
> > > > diff --git a/drivers/staging/wilc1000/wilc_debugfs.c
> > > > b/drivers/staging/wilc1000/wilc_debugfs.c index edc7287..c5f67c9
> > > > 100644 --- a/drivers/staging/wilc1000/wilc_debugfs.c
> > > > +++ b/drivers/staging/wilc1000/wilc_debugfs.c
> > > > @@ -78,29 +78,21 @@ struct wilc_debugfs_info_t {
> > > >  	const struct file_operations fops;
> > > >  };
> > > >  
> > > > -static struct wilc_debugfs_info_t debugfs_info[] = {
> > > > -	{
> > > > -		"wilc_debug_level",
> > > > -		0666,
> > > > -		(DEBUG | ERR),
> > > > -		FOPS(NULL, wilc_debug_level_read,
> > > > wilc_debug_level_write, NULL),
> > > > -	},
> > > > +static struct wilc_debugfs_info_t debugfs_info = {
> > > > +	"wilc_debug_level",
> > > > +	0666,
> > > > +	(DEBUG | ERR),
> > > > +	FOPS(NULL, wilc_debug_level_read,
> > > > wilc_debug_level_write, NULL), };
> > > >  
> > > >  int wilc_debugfs_init(void)
> > > >  {
> > > > -	int i;
> > > > -	struct wilc_debugfs_info_t *info;
> > > > +	struct wilc_debugfs_info_t *info = &debugfs_info;
> > > >  
> > > >  	wilc_dir = debugfs_create_dir("wilc_wifi", NULL);
> > > > -	for (i = 0; i < ARRAY_SIZE(debugfs_info); i++) {
> > > > -		info = &debugfs_info[i];
> > > > -		debugfs_create_file(info->name,
> > > > -				    info->perm,
> > > > -				    wilc_dir,
> > > > -				    &info->data,
> > > > -				    &info->fops);
> > > > -	}
> > > > +	debugfs_create_file(info->name, info->perm, wilc_dir,
> > > > &info->data,
> > > > +			    &info->fops);
> > > > +
> > > 
> > > Why go through the extra step here in changing this variable from
> > > an array to a single value and not just make the call to
> > > debugfs_create_file() directly with the individual values like
> > > you do in patch 3?  It feels like this step isn't needed at all
> > > here, right?
> > > 
> > > What am I missing?
> > 
> > Actually, while calling debugfs_create_file() it also passed the
> > "info->data", "info->perm" which was maintained in a static
> > variable. So to have the changes in multiple patches, I first tried
> > by removing the dependency of array and later changed the
> > individual parameters for this debugfs_create_file().
> 
> But you don't need/want that here anyway, it would have been simpler
> to just do it correct in one patch.  That would have also been easier
> to review :)
> 
> But for now, just delete this file as it is not used at all.  Want me
> to do it for you?
> 

Thanks for giving your time and support.

I will make the changes and submit the patch to delete wilc_debugfs.c
file. 

Regards,
Ajay



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