linux-kernel - Re: [PATCH V2 2/2] spmi: pmic_arb: add support for hw version 2

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Date:	Wed, 04 Feb 2015 16:36:12 +0200
From:	Stanimir Varbanov <svarbanov@...sol.com>
To:	Lina Iyer <lina.iyer@...aro.org>
CC:	Gilad Avidov <gavidov@...eaurora.org>, sdharia@...eaurora.org,
	mlocke@...eaurora.org, linux-arm-msm@...r.kernel.org,
	gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
	iivanov@...sol.com, galak@...eaurora.org, agross@...eaurora.org
Subject: Re: [PATCH V2 2/2] spmi: pmic_arb: add support for hw version 2

Hi Lina, Gilad

On 02/03/2015 11:21 PM, Lina Iyer wrote:
> On Tue, Feb 03 2015 at 02:59 -0700, Stanimir Varbanov wrote:
>> Hi Gilad,
>>
>> Thanks for the patch.
>>
>> On 01/31/2015 02:46 AM, Gilad Avidov wrote:
>>> Qualcomm PMIC Arbiter version-2 changes from version-1 are:
>>>
>>> - Some different register offsets.
>>> - New channel register space, one per PMIC peripheral (ppid).
>>>   All tx traffic uses these channels.
>>> - New observer register space. All rx trafic uses this space.
>>> - Different command format for spmi command registers.
>>>
>>> Signed-off-by: Gilad Avidov <gavidov@...eaurora.org>
>>> Acked-by: Sagar Dharia <sdharia@...eaurora.org>
>>> ---
>>>  .../bindings/spmi/qcom,spmi-pmic-arb.txt           |   6 +-
>>>  drivers/spmi/spmi-pmic-arb.c                       | 310
>>> +++++++++++++++++----
>>>  2 files changed, 260 insertions(+), 56 deletions(-)
>>>
>>> diff --git
>>> a/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt
>>> b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt
>>> index 715d099..e16b9b5 100644
>>> --- a/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt
>>> +++ b/Documentation/devicetree/bindings/spmi/qcom,spmi-pmic-arb.txt
>>> @@ -1,6 +1,6 @@
>>>  Qualcomm SPMI Controller (PMIC Arbiter)
>>>
>>> -The SPMI PMIC Arbiter is found on the Snapdragon 800 Series.  It is
>>> an SPMI
>>> +The SPMI PMIC Arbiter is found on Snapdragon chipsets.  It is an SPMI
>>>  controller with wrapping arbitration logic to allow for multiple
>>> on-chip
>>>  devices to control a single SPMI master.
>>>
>>> @@ -19,6 +19,10 @@ Required properties:
>>>       "core" - core registers
>>>       "intr" - interrupt controller registers
>>>       "cnfg" - configuration registers
>>> +   Registers used only for V2 PMIC Arbiter:
>>> +     "chnls"  - tx-channel per virtual slave registers.
>>> +     "obsrvr" - rx-channel (called observer) per virtual slave
>>> registers.
>>> +
>>>  - reg : address + size pairs describing the PMIC arb register sets;
>>> order must
>>>          correspond with the order of entries in reg-names
>>>  - #address-cells : must be set to 2
>>> diff --git a/drivers/spmi/spmi-pmic-arb.c b/drivers/spmi/spmi-pmic-arb.c
>>> index 20559ab..818b2cf 100644
>>> --- a/drivers/spmi/spmi-pmic-arb.c
>>> +++ b/drivers/spmi/spmi-pmic-arb.c
>>> @@ -1,4 +1,4 @@
>>> -/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
>>> +/* Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.
>>
>> run checkpatch, there are tons of errors like white spaces and DOS line
>> ending.
> 
> I dont see any DOS line endings with these patches. I believe the
> checkpatch warnings also are false positives.
> 

My fault, I wrongly saved the patch using Thinderbird. But the above
obviously breaks multiline comments coding style rules.

-- 
regards,
Stan
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