linux-kernel - Re: doubt about sm7xxfb (was: Re: [PATCH v4 0/7] staging: fsl-mc: New functionality to the MC bus driver)

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Message-ID: <20150620112006.GD29626@sudip-PC>
Date:	Sat, 20 Jun 2015 16:50:06 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Greg KH <gregkh@...uxfoundation.org>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, tomi.valkeinen@...com,
	linux-fbdev@...r.kernel.org
Subject: Re: doubt about sm7xxfb (was: Re: [PATCH v4 0/7] staging: fsl-mc:
 New functionality to the MC bus driver)

On Fri, Jun 19, 2015 at 01:29:13PM +0300, Dan Carpenter wrote:
> On Sat, Jun 13, 2015 at 02:16:18PM +0530, Sudip Mukherjee wrote:
> >
> > can you please have a look (when you are free) at it to see if anything
> > else needs to be done.
> 
> Remove any unused macros.
I will check.
> Cleanup indenting in the .h file.
done.
> drivers/staging/sm7xxfb/sm7xxfb.c:821 smtcfb_pci_probe() warn: 'smtc_regbaseaddress' can't be NULL.
i dont see this warning. Is it smatch?
> move the BIG_ENDIAN ifdefs to the .h file.  I don't understand why only
> big endian systems get a fb_read/write?
Greg asked to remove the BIG_ENDIAN ifdefs. for BIG_ENDIAN some
calculations are involved that is why the functions are defined.
LITTLE_ENDIAN will use the default read/write provided by fb core.
> cleanup comments.  make sure they are up to date and make sense.
will do.
> cleanup function declarations.  Make the style consistent.
i think its already done, with Joe's help.
> run checkpatch.pl --strict
done.
> Remind me we need the #ifndef MODULE?
This one I introduced with the plan that if it is built-in then it will
use the commandline to get the mode, but if it is a module then it will
use module parameters. But later Greg told that framebuffers should not
use module_param. I dont see any reason why a module can nor get the mode
values from the command line. I will test that during this period of the
merge window and prepare the final patch.

regards
sudip
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