linux-kernel - Re: [PATCH 2/2] regulator: palmas: model SMPS10 as two regulators

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Message-ID: <51C45448.4080201@nvidia.com>
Date:	Fri, 21 Jun 2013 18:55:28 +0530
From:	Laxman Dewangan <ldewangan@...dia.com>
To:	Kishon Vijay Abraham I <kishon@...com>
CC:	"broonie@...nel.org" <broonie@...nel.org>,
	"grant.likely@...aro.org" <grant.likely@...aro.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"rob@...dley.net" <rob@...dley.net>,
	"lgirdwood@...il.com" <lgirdwood@...il.com>,
	Stephen Warren <swarren@...dia.com>,
	"gg@...mlogic.co.uk" <gg@...mlogic.co.uk>,
	"sameo@...ux.intel.com" <sameo@...ux.intel.com>,
	"devicetree-discuss@...ts.ozlabs.org" 
	<devicetree-discuss@...ts.ozlabs.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] regulator: palmas: model SMPS10 as two regulators

On Thursday 20 June 2013 08:56 PM, Kishon Vijay Abraham I wrote:
> Hi,
>
> On Thursday 20 June 2013 08:14 PM, Laxman Dewangan wrote:
>>
>> Have you added the regulator supply entries?
>> Are you testing on mainline linux-next?
> Not in linux-next :-( Tested only with mainline.
> Does inverting the order helps?
>

I think because you do not have entry of supply in your dt node, it gets 
ignored by regulator_dev_lookup() and continue.

I made the entry like (added entry form smps10-out2-supply and 
smps10-in-supply in dt node) and then it failed.
/***

+                           smps10-out2-supply = <&palmas_smps10_out2_reg>;
+                           smps10-in-supply = <&tps65090_dcdc3_reg>;
                             ldo3-in-supply = <&palmas_smps3_reg>;
@@ -903,6 +905,20 @@
                                         regulator-always-on;
                                 };

+                               palmas_smps10_out1_reg: smps10_out1 {
+                                       regulator-name = "smps10_out1";
+                                       regulator-min-microvolt = <5000000>;
+                                       regulator-max-microvolt = <5000000>;
+                                       regulator-always-on;
+                               };
+
+                               palmas_smps10_out2_reg: smps10_out2 {
+                                       regulator-name = "smps10_out2";
+                                       regulator-min-microvolt = <5000000>;
+                                       regulator-max-microvolt = <5000000>;
+                                       regulator-always-on;
+                               };
+
**/


After reversing the sequence, it worked fine.

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