linux-kernel - Re: [PATCH 1/4] staging: sm750fb: wrong type for print

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Message-ID: <20150308125859.GA14649@sudip-PC>
Date:	Sun, 8 Mar 2015 18:28:59 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Giedrius Statkevičius 
	<giedrius.statkevicius@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] staging: sm750fb: wrong type for print

On Sun, Mar 08, 2015 at 02:40:03PM +0200, Giedrius Statkevičius wrote:
> On 2015.03.08 14:31, Sudip Mukherjee wrote:
> > mention correct format specifier while printing
> > index 711676c..2ab7b74 100644
> > --- a/drivers/staging/sm750fb/sm750.h
> > +++ b/drivers/staging/sm750fb/sm750.h
> > @@ -59,10 +59,10 @@ struct lynx_share{
> >  		}mtrr;
> >  #endif
> >  	/* all smi graphic adaptor got below attributes */
> > -	resource_size_t vidmem_start;
> > -	resource_size_t vidreg_start;
> > -	resource_size_t vidmem_size;
> > -	resource_size_t vidreg_size;
> > +	unsigned long vidmem_start;
> > +	unsigned long vidreg_start;
> > +	unsigned long vidmem_size;
> > +	unsigned long vidreg_size;
> 
> Have you checked other places where these are used? resource_size_t can
> be either u64 or u32 depending on if CONFIG_PHYS_ADDR_T_64BIT is
> #defined. Are you sure you aren't losing information when results of
> functions are being assigned to this? Maybe there should be a function
> similar to printk that changes between %u and %llu depending on whether
> that is defined?

oops .. no .. :(
i checked in other framebuffer drivers and saw they are mostly unsigned long.
I will check further on this.

Greg: can you please drop this patch (1/4) from your queue and not apply this to your tree.
I will send it as a v2.

regards
sudip

> 
> -- 
> Thanks,
> Giedrius
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