Hi Alexander,
On Mon, Apr 08, 2013 at 08:27:49PM +0400, Alexander Shiyan wrote:
> > > > After merging the mfd tree, today's linux-next build (x86_64 allmodconfig)
> > > > failed like this:
> > > >
> > > > drivers/regulator/anatop-regulator.c: In function 'anatop_regulator_probe':
> > > > drivers/regulator/anatop-regulator.c:134:2: error: implicit declaration of function 'of_get_parent' [-Werror=implicit-function-declaration]
> > > >
> > > > Caused by commit 5ab3a89a741f ("mfd: syscon: Add non-DT support").
> > > >
> > > > I have used the mfd tree from next-20130405 for today.
> > >
> > > This means that we do not have empty declarations for the
> > > of_xx functions in linux/of.h for !CONFIG_OF.
> > > OK to declare these functions or any other opinions?
> > Ok with me, but you'd need to get Grant and Rob's ACK.
>
> I've revised my initial opinion and write a quick patch for fix this issue.
>
> From a884d309d2978cbc44c52b650d669e56fef664e2 Mon Sep 17 00:00:00 2001
> From: Alexander Shiyan <shc_work@xxxxxxx>
> Date: Mon, 8 Apr 2013 19:13:10 +0400
> Subject: [PATCH] regulator: anatop: Make select dependency from
> HAVE_IMX_ANATOP symbol
>
> This patch make selection of anatop-regulator from HAVE_IMX_ANATOP
> kernel symbol. This fixes build kernel with syscon driver but without
> oftree support.
>
> Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
> ---
> drivers/regulator/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
> index a5d97ea..078932d 100644
> --- a/drivers/regulator/Kconfig
> +++ b/drivers/regulator/Kconfig
> @@ -133,7 +133,7 @@ config REGULATOR_FAN53555
>
> config REGULATOR_ANATOP
> tristate "Freescale i.MX on-chip ANATOP LDO regulators"
> - depends on MFD_SYSCON
> + depends on HAVE_IMX_ANATOP
This does look like a band-aid solution to me. Yes, it will fix the crash, but
you're restricting this code to a much smaller architecture set. AFAIK
linux-next is not tested on that arch, for example.
Cheers,
Samuel.
--
Intel Open Source Technology Centre
http://oss.intel.com/
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