linux-kernel - Re: [PATCH] ARM: shmobile: ape6evm: fix incorrect placement of _

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Message-id: <1556252.bjXjV3hKBt@amdc1032>
Date:	Mon, 30 Sep 2013 17:31:08 +0200
From:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:	Simon Horman <horms@...ge.net.au>,
	Magnus Damm <magnus.damm@...il.com>, linux-sh@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: Re: [PATCH] ARM: shmobile: ape6evm: fix incorrect placement of
 __initdata tag


Hi,

On Monday, September 30, 2013 05:05:37 PM Laurent Pinchart wrote:
> Hi Bartlomiej,
> 
> Thank you for the patch.
> 
> On Monday 30 September 2013 15:07:47 Bartlomiej Zolnierkiewicz wrote:
> > __initdata tag should be placed between the variable name and equal
> > sign for the variable to be placed in the intended .init.data section.
> > 
> > In this particular case __initdata is incorrect as ape6evm_keys_pdata
> > can be used as a platform data for gpio-keys driver which can be
> > compiled as module.
> 
> A pointer to the ape6evm_keys_pdata structure is passed to the 
> platform_device_register_data() function, which makes a copy of the structure. 
> Marking it as __initdata is thus correct.

Thanks for catching this. I'll fix the patch and post v2.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> > Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
> > ---
> >  arch/arm/mach-shmobile/board-ape6evm.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/arch/arm/mach-shmobile/board-ape6evm.c
> > b/arch/arm/mach-shmobile/board-ape6evm.c index 7627385..8954f55 100644
> > --- a/arch/arm/mach-shmobile/board-ape6evm.c
> > +++ b/arch/arm/mach-shmobile/board-ape6evm.c
> > @@ -86,7 +86,7 @@ static struct gpio_keys_button gpio_buttons[] = {
> >  	GPIO_KEY(KEY_VOLUMEDOWN,	329,	"S21"),
> >  };
> > 
> > -static struct __initdata gpio_keys_platform_data ape6evm_keys_pdata = {
> > +static struct gpio_keys_platform_data ape6evm_keys_pdata = {
> >  	.buttons	= gpio_buttons,
> >  	.nbuttons	= ARRAY_SIZE(gpio_buttons),
> >  };

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