From: Robert Baldyga <r.baldyga@samsung.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: sameo@linux.intel.com, lee.jones@linaro.org,
myungjoo.ham@samsung.com, cw00.choi@samsung.com,
cooloney@gmail.com, rpurdie@rpsys.net, dbaryshkov@gmail.com,
dwmw2@infradead.org, lgirdwood@gmail.com, broonie@kernel.org,
a.zummo@towertech.it, paul.gortmaker@windriver.com,
linux-kernel@vger.kernel.org, linux-input@vger.kernel.org,
linux-leds@vger.kernel.org, rtc-linux@googlegroups.com,
m.szyprowski@samsung.com, k.kozlowski@samsung.com
Subject: Re: [PATCH v2] mfd: max8997: use regmap to access registers
Date: Fri, 07 Mar 2014 15:40:44 +0100 [thread overview]
Message-ID: <5319DA6C.1050204@samsung.com> (raw)
In-Reply-To: <20140306162951.GA14318@core.coreip.homeip.net>
On 03/06/2014 05:29 PM, Dmitry Torokhov wrote:
> On Thu, Mar 06, 2014 at 07:42:30AM +0100, Robert Baldyga wrote:
>> Hi,
>>
>> On 03/05/2014 07:54 PM, Dmitry Torokhov wrote:
>>> Hi Robert,
>>>
>>> On Wed, Mar 05, 2014 at 03:58:17PM +0100, Robert Baldyga wrote:
>>>>
>>>> -int max8997_write_reg(struct i2c_client *i2c, u8 reg, u8 value)
>>>> +int max8997_write_reg(struct regmap *map, u8 reg, u8 value)
>>>
>>> Why don't you make read/write reg to take struct max8997_dev as argument
>>> instead of regmap? regmap seems to be the current implementation du jur,
>>> but that is core's detail, functions do not need to care.
>>>
>>> Thanks.
>>>
>>
>> It's because there are few regmaps in max8997_dev, and read/write reg
>> functions has no way to check which regmap should be used. I think it
>> would be clearer if I remove this functions and use regmap_read and
>> regmap_write instead, because there is no particular purpose for them.
>
> I see.. Then another question - why do the regmaps belong to the core
> of the driver instead of individual functions? Why haptic regmap, for
> example, can not be initialized in haptic code instead?
>
It looks like it would not be a big problem. I will try to prepare new
version of this patch including this.
Best regards
Robert Baldyga
Samsung R&D Institute Poland
next prev parent reply other threads:[~2014-03-07 14:40 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-05 14:58 [PATCH v2] mfd: max8997: use regmap to access registers Robert Baldyga
2014-03-05 18:54 ` Dmitry Torokhov
2014-03-06 4:31 ` Mark Brown
2014-03-06 6:42 ` Robert Baldyga
2014-03-06 16:29 ` Dmitry Torokhov
2014-03-07 14:40 ` Robert Baldyga [this message]
2014-03-06 2:44 ` Chanwoo Choi
2014-03-06 6:46 ` Robert Baldyga
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