linux-kernel - Re: [PATCH v4 0/4] regulator support for pmbus and ltc2978

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Date:	Wed, 1 Oct 2014 15:20:41 -0500
From:	atull <atull@...nsource.altera.com>
To:	Guenter Roeck <linux@...ck-us.net>
CC:	<jdelvare@...e.de>, <lm-sensors@...sensors.org>,
	<lgirdwood@...il.com>, <broonie@...nel.org>, <robh+dt@...nel.org>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<delicious.quinoa@...il.com>, <dinguyen@...nsource.altera.com>,
	<yvanderv@...nsource.altera.com>
Subject: Re: [PATCH v4 0/4] regulator support for pmbus and ltc2978

On Wed, 1 Oct 2014, Guenter Roeck wrote:

> On Wed, Oct 01, 2014 at 02:05:46PM -0500, atull@...nsource.altera.com wrote:
> > From: Alan Tull <atull@...nsource.altera.com>
> > 
> > This set of patches adds regulator support for pmbus_core.c and ltc2978.c
> > 
> > Each output has individual on/off control.
> > 
> > From PMBus_Specification_Part_II_Rev_1-3_20140318.pdf: 12.1.1. OPERATION
> > Command Bit [7] Bit [7] controls whether the PMBus device output is on or off.
> > If bit [7] is cleared (equals 0), then the output is off.  If bit [7] is set
> > (equals 1), then the output is on.
> > 
> > Fixes in v4 are not huge: Add device tree bindings documentation for ltc2978.
> > rename _pmbus_regulator_enable to _pmbus_regulator_on_off simplify
> > _pmbus_regulator_on_off code s/regulator_regulator/regulator/ fix build break
> > when !CONFIG_REGULATOR remove unused #define PB_OPERATION_CONTROL_SEQ_OFF fix
> > a #endif comment simplify probe code, remove added switch statement remove
> > BUG_ON(), add error message and fix num_regulators
> > 
> > Patch 1: document device tree bindings for ltc2978
> > 
> > Patch 2: add two helper functions for byte pmbus byte operations * byte write
> > and byte read/modify/write
> > 
> > Patch 3: regulator support added in pmbus_core.c and pmbus.h * regulator_ops
> > functions (is_enabled, enable, and disable) * gets regulator init data from
> > device tree or platform data * registers the regulators * header has a macro
> > for chip drivers to build their regulator_desc data
> > 
> > Patch 4: changes for ltc2978.c * Add Kconfig to enable/disable ltc2978
> > regulator functionality * add regulator_desc and of_regulator_match info * use
> > same structs for all parts; set num_regulators appropriately.
> > 
> Looks like this patch got lost. I did not get it, and I don't see it on lkml
> either.
> 
> Guenter

Yes I missed it.  Just sent patch 0004 out.

Alan


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