linux-kernel - Re: [PATCH] mfd: MFD_WM831X should depend on GENERIC

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Date:	Thu, 11 Mar 2010 01:30:34 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Haojian Zhuang <haojian.zhuang@...vell.com>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mfd: MFD_WM831X should depend on GENERIC_HARDIRQS

Hi Geert,

On Tue, Mar 09, 2010 at 08:13:56PM +0100, Geert Uytterhoeven wrote:
> On Tue, Dec 15, 2009 at 23:13, Mark Brown
> <broonie@...nsource.wolfsonmicro.com> wrote:
> > On Tue, Dec 15, 2009 at 10:00:02PM +0100, Geert Uytterhoeven wrote:
> >> From e2def3261a58e9c0e56b710b2020858df010a2c1 Mon Sep 17 00:00:00 2001
> >> From: Geert Uytterhoeven <geert@...ux-m68k.org>
> >> Date: Tue, 15 Dec 2009 21:49:57 +0100
> >> Subject: [PATCH] mfd: MFD_WM831X should depend on GENERIC_HARDIRQS
> >>
> >> commit 5fb4d38b19d95a5f980f0a10adba798f5b92128c ("mfd: Move WM831x to generic
> >> IRQ") didn't take into account that genirq support depends on GENERIC_HARDIRQS.
> >>
> >> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> >
> > Acked-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> 
> This patch still hasn't made it. In addition, 3 more drivers started
> to show the same problems
> on architectures that don't use genirq yet, so I updated it.
Oh, that one slipped through, sorry about it.
Patch applied to my for-linus branch now, many thanks.

Cheers,
Samuel.


> From a11ebba6c1a49bc97220bec57f7c8f4cddff0824 Mon Sep 17 00:00:00 2001
> From: Geert Uytterhoeven <geert@...ux-m68k.org>
> Date: Tue, 15 Dec 2009 21:49:57 +0100
> Subject: [PATCH] mfd: Several MFD drivers should depend on GENERIC_HARDIRQS
> 
> commit 5fb4d38b19d95a5f980f0a10adba798f5b92128c ("mfd: Move WM831x to generic
> IRQ") didn't take into account that genirq support depends on GENERIC_HARDIRQS.
> 
> Additionally, 2.6.34-rc1 added:
>   - commit 2afa62ea76027b00e472ddb672191e6e15425b43 ("mfd: Use genirq in
>     88pm860x").
>   - commit 760e4518788df6762700e6bb9dd8692379f11168 ("mfd: Convert WM8350 to
>     genirq").
>   - commit 1f1cf8f98cf6588365efeaab8e7e7758aaa77f6e ("mfd: Update irq handler
>     in max8925")
> 
> Make all of them depend on GENERIC_HARDIRQS to avoid compile errors on
> architectures that don't support genirq yet.
> 
> Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> ---
>  drivers/mfd/Kconfig |    9 +++++----
>  1 files changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 951fa9b..2a5a0b7 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -11,7 +11,7 @@ config MFD_CORE
> 
>  config MFD_88PM860X
>  	bool "Support Marvell 88PM8606/88PM8607"
> -	depends on I2C=y
> +	depends on I2C=y && GENERIC_HARDIRQS
>  	select MFD_CORE
>  	help
>  	  This supports for Marvell 88PM8606/88PM8607 Power Management IC.
> @@ -205,7 +205,7 @@ config PMIC_ADP5520
> 
>  config MFD_MAX8925
>  	bool "Maxim Semiconductor MAX8925 PMIC Support"
> -	depends on I2C=y
> +	depends on I2C=y && GENERIC_HARDIRQS
>  	select MFD_CORE
>  	help
>  	  Say yes here to support for Maxim Semiconductor MAX8925. This is
> @@ -226,7 +226,7 @@ config MFD_WM8400
>  config MFD_WM831X
>  	bool "Support Wolfson Microelectronics WM831x/2x PMICs"
>  	select MFD_CORE
> -	depends on I2C=y
> +	depends on I2C=y && GENERIC_HARDIRQS
>  	help
>  	  Support for the Wolfson Microelecronics WM831x and WM832x PMICs.
>  	  This driver provides common support for accessing the device,
> @@ -235,6 +235,7 @@ config MFD_WM831X
> 
>  config MFD_WM8350
>  	bool
> +	depends on GENERIC_HARDIRQS
> 
>  config MFD_WM8350_CONFIG_MODE_0
>  	bool
> @@ -287,7 +288,7 @@ config MFD_WM8352_CONFIG_MODE_3
>  config MFD_WM8350_I2C
>  	bool "Support Wolfson Microelectronics WM8350 with I2C"
>  	select MFD_WM8350
> -	depends on I2C=y
> +	depends on I2C=y && GENERIC_HARDIRQS
>  	help
>  	  The WM8350 is an integrated audio and power management
>  	  subsystem with watchdog and RTC functionality for embedded
> -- 
> 1.6.0.4
> 
> Gr{oetje,eeting}s,
> 
> 						Geert
> 
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org
> 
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> 							    -- Linus Torvalds

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