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From: robert.jarzmik@free•fr (Robert Jarzmik)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 1/3] ARM: pxa: add regulator_has_full_constraints to corgi board file
Date: Thu, 04 Dec 2014 21:41:45 +0100	[thread overview]
Message-ID: <87iohrywom.fsf@free.fr> (raw)
In-Reply-To: <1417691402-28166-1-git-send-email-dbaryshkov@gmail.com> (Dmitry Eremin-Solenikov's message of "Thu, 4 Dec 2014 14:10:00 +0300")

Dmitry Eremin-Solenikov <dbaryshkov@gmail•com> writes:

> Add regulator_has_full_constraints() call to corgi board file to let
> regulator core know that we do not have any additional regulators left.
> This lets it substitute unprovided regulators with dummy ones.
>
> This fixes the following warnings that can be seen on corgi if
> regulators are enabled:
>
> ads7846 spi1.0: unable to get regulator: -517
> spi spi1.0: Driver ads7846 requests probe deferral
> wm8731 0-001b: Failed to get supply 'AVDD': -517
> wm8731 0-001b: Failed to request supplies: -517
> wm8731 0-001b: ASoC: failed to probe component -517
> corgi-audio corgi-audio: ASoC: failed to instantiate card -517
>
> Cc: stable at vger.kernel.org
> Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail•com>
> ---
>  arch/arm/mach-pxa/corgi.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
> index 06022b2..89f790d 100644
> --- a/arch/arm/mach-pxa/corgi.c
> +++ b/arch/arm/mach-pxa/corgi.c
> @@ -26,6 +26,7 @@
>  #include <linux/i2c.h>
>  #include <linux/i2c/pxa-i2c.h>
>  #include <linux/io.h>
> +#include <linux/regulator/machine.h>
>  #include <linux/spi/spi.h>
>  #include <linux/spi/ads7846.h>
>  #include <linux/spi/corgi_lcd.h>
> @@ -752,6 +753,8 @@ static void __init corgi_init(void)
>  		sharpsl_nand_partitions[1].size = 53 * 1024 * 1024;
>  
>  	platform_add_devices(devices, ARRAY_SIZE(devices));
> +
> +	regulator_has_full_constraints();
>  }
>  
>  static void __init fixup_corgi(struct tag *tags, char **cmdline)

Added Mark for review, as I was thinking regulator_has_full_constraints() was to
be used to disable unused regulators, a bit like in the clock framework, rather
than provide a way to provide automatically dummy regulators.

If Mark acks, I'll take the serie.

-- 
Robert

  parent reply	other threads:[~2014-12-04 20:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-04 11:10 [PATCH 1/3] ARM: pxa: add regulator_has_full_constraints to corgi board file Dmitry Eremin-Solenikov
2014-12-04 11:10 ` [PATCH 2/3] ARM: pxa: add regulator_has_full_constraints to poodle " Dmitry Eremin-Solenikov
2014-12-04 11:10 ` [PATCH 3/3] ARM: pxa: add regulator_has_full_constraints to spitz " Dmitry Eremin-Solenikov
2014-12-04 20:41 ` Robert Jarzmik [this message]
2014-12-04 20:49   ` [PATCH 1/3] ARM: pxa: add regulator_has_full_constraints to corgi " Mark Brown
2014-12-04 21:20     ` Robert Jarzmik
2014-12-07 16:03       ` Robert Jarzmik

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