linux-kernel - Re: [PATCH 3/15] i810: fix module

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Message-ID: <87sjjk34wx.fsf@rustcorp.com.au>
Date:	Fri, 13 Jan 2012 09:27:34 +1030
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Florian Tobias Schandinat <FlorianSchandinat@....de>
Cc:	lkml - Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Antonino Daplas <adaplas@...il.com>,
	linux-fbdev@...r.kernel.org, Pawel Moll <pawel.moll@....com>
Subject: Re: [PATCH 3/15] i810: fix module_param bool abuse.

On Mon, 19 Dec 2011 23:16:04 +0000, Florian Tobias Schandinat <FlorianSchandinat@....de> wrote:
> On 12/15/2011 03:03 AM, Rusty Russell wrote:
> > The driver says "module_param(ddc3, bool, 0);".  But it's not a used
> > as a bool, it's used as a count.
> > 
> > Make it a bool.
> > 
> > Cc: Antonino Daplas <adaplas@...il.com>
> > Cc: Florian Tobias Schandinat <FlorianSchandinat@....de>
> > Cc: linux-fbdev@...r.kernel.org
> > Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>
> 
> Applied.

Hmm, I don't see this in Linus' tree yet, and it's a context-clash
pre-requisite for part of the general driver bool conversion.  I want to
push today since I have linux.conf.au next week, so I've split the i810
conversion into a separate patch, below.

It's been over a week in linux-next, can you push this please?

From: Rusty Russell <rusty@...tcorp.com.au>
Subject: module_param: make bool parameters really bool (drivers/vidio/i810)

module_param(bool) used to counter-intuitively take an int.  In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.

It's time to remove the int/unsigned int option.  For this version
it'll simply give a warning, but it'll break next kernel version.

Signed-off-by: Rusty Russell <rusty@...tcorp.com.au>

diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -135,8 +135,8 @@ static struct pci_driver i810fb_driver =
 static char *mode_option __devinitdata = NULL;
 static int vram       __devinitdata = 4;
 static int bpp        __devinitdata = 8;
-static int mtrr       __devinitdata;
-static int accel      __devinitdata;
+static bool mtrr      __devinitdata;
+static bool accel     __devinitdata;
 static int hsync1     __devinitdata;
 static int hsync2     __devinitdata;
 static int vsync1     __devinitdata;
@@ -144,9 +144,9 @@ static int vsync2     __devinitdata;
 static int xres       __devinitdata;
 static int yres;
 static int vyres      __devinitdata;
-static int sync       __devinitdata;
-static int extvga     __devinitdata;
-static int dcolor     __devinitdata;
+static bool sync      __devinitdata;
+static bool extvga    __devinitdata;
+static bool dcolor    __devinitdata;
 static bool ddc3      __devinitdata;
 
 /*------------------------------------------------------------*/
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