linux-kernel - RE: [PATCH 06/09] ARM: s3c2440: gta02: Remove state_mem constraints for the pcf50633 regulators

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Message-id: <003601cbd736$65cbc510$31634f30$%kim@samsung.com>
Date:	Mon, 28 Feb 2011 19:58:11 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Lars-Peter Clausen' <lars@...afoo.de>
Cc:	'Ben Dooks' <ben-linux@...ff.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: RE: [PATCH 06/09] ARM: s3c2440: gta02: Remove state_mem constraints
 for the pcf50633 regulators

Lars-Peter Clausen wrote:
> 
> On 02/28/2011 07:26 AM, Kukjin Kim wrote:
> > Lars-Peter Clausen wrote:
> >>
> >> The pcf50633 regulator driver does not use the state_mem constraints,
so
> >> there
> >> is no use in setting them.
> >>
> >> Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>
> >> ---
> >>  arch/arm/mach-s3c2440/mach-gta02.c |   15 ---------------
> >>  1 files changed, 0 insertions(+), 15 deletions(-)
> >>
> >> diff --git a/arch/arm/mach-s3c2440/mach-gta02.c
> > b/arch/arm/mach-s3c2440/mach-
> >> gta02.c
> >> index e57c4d8..01e0930 100644
> >> --- a/arch/arm/mach-s3c2440/mach-gta02.c
> >> +++ b/arch/arm/mach-s3c2440/mach-gta02.c
> >> @@ -283,9 +283,6 @@ struct pcf50633_platform_data gta02_pcf_pdata = {
> >>  				.valid_modes_mask = REGULATOR_MODE_NORMAL,
> >>  				.always_on = 1,
> >>  				.apply_uV = 1,
> >> -				.state_mem = {
> >> -					.enabled = 1,
> >> -				},
> >>  			},
> >>  		},
> >>  		[PCF50633_REGULATOR_DOWN1] = {
> >> @@ -304,9 +301,6 @@ struct pcf50633_platform_data gta02_pcf_pdata = {
> >>  				.valid_modes_mask = REGULATOR_MODE_NORMAL,
> >>  				.apply_uV = 1,
> >>  				.always_on = 1,
> >> -				.state_mem = {
> >> -					.enabled = 1,
> >> -				},
> >>  			},
> >>  		},
> >>  		[PCF50633_REGULATOR_HCLDO] = {
> >> @@ -325,9 +319,6 @@ struct pcf50633_platform_data gta02_pcf_pdata = {
> >>  				.valid_modes_mask = REGULATOR_MODE_NORMAL,
> >>  				.valid_ops_mask = REGULATOR_CHANGE_STATUS,
> >>  				.apply_uV = 1,
> >> -				.state_mem = {
> >> -					.enabled = 0,
> >> -				},
> >>  			},
> >>  		},
> >>  		[PCF50633_REGULATOR_LDO2] = {
> >> @@ -362,9 +353,6 @@ struct pcf50633_platform_data gta02_pcf_pdata = {
> >>  				.valid_modes_mask = REGULATOR_MODE_NORMAL,
> >>  				.valid_ops_mask = REGULATOR_CHANGE_STATUS,
> >>  				.apply_uV = 1,
> >> -				.state_mem = {
> >> -					.enabled = 1,
> >> -				},
> >>  			},
> >>  		},
> >>  		[PCF50633_REGULATOR_LDO6] = {
> >> @@ -379,9 +367,6 @@ struct pcf50633_platform_data gta02_pcf_pdata = {
> >>  				.min_uV = 1800000,
> >>  				.max_uV = 1800000,
> >>  				.valid_modes_mask = REGULATOR_MODE_NORMAL,
> >> -				.state_mem = {
> >> -					.enabled = 1,
> >> -				},
> >>  			},
> >>  		},
> >>
> >> --
> >
> > Don't we need regulator_suspend_mem_state_show() on PCF50633?
> >
> >
> No. The pcf50633 driver has no set_suspend_enable or set_suspend_disable
ops.
> So the 'suspend_mem_state' sysfs file does not get registered and that
> function
> is never called.
> 
Ok, will apply.
Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@...sung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

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