lkml.org 
[lkml]   [2015]   [Jun]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [PATCH-v3 2/3] mfd: 88pm800: Allow configuration of interrupt clear method


On Thursday 25 June 2015 11:20 AM, Krzysztof Kozlowski wrote:
> On 25.06.2015 14:44, Vaibhav Hiremath wrote:
>>
>>
>> On Thursday 25 June 2015 11:02 AM, Krzysztof Kozlowski wrote:
>>> On 25.06.2015 14:26, Vaibhav Hiremath wrote:
>>>>
>>>>
>>>> On Thursday 25 June 2015 05:33 AM, Krzysztof Kozlowski wrote:
>>>>> 2015-06-24 18:21 GMT+09:00 Vaibhav Hiremath
>>>>> <vaibhav.hiremath@linaro.org>:
>>>>>> As per the spec, bit 1 (INT_CLEAR_MODE) of reg addr 0xe
>>>>>> (page 0) controls the method of clearing interrupt
>>>>>> status of 88pm800 family of devices;
>>>>>>
>>>>>> 0: clear on read
>>>>>> 1: clear on write
>>>>>>
>>>>>> This patch allows to configure this field, through DT.
>>>>>>
>>>>>> Also, as suggested by "Lee Jones" renaming DT property and variable
>>>>>> field to appropriate name.
>>>>>>
>>>>>> Signed-off-by: Zhao Ye <zhaoy@marvell.com>
>>>>>> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
>>>>>
>>>

<snip>

>>
>> Yes,
>> Fair enough...
>>
>> I see very little value in runtime configuration, why not just do it
>> only way (either read or write)?
>> I would prefer to just set it by default (during init), to clear irq on
>> write.
>
> Hard-coding a default value, if board files are not present, looks OK to me.
>

This is how it will look, I will also update the binding information
with this.


hvaibhav@hvaibhav-ThinkPad-T440p:~/projects/mainline/linux$ git diff
--cached
diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index 0a417ac..e415a06 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -645,9 +645,8 @@ static int pm800_probe(struct i2c_client *client,
dev_err(&client->dev, "failed to allocaate
memory\n");
return -ENOMEM;
}
-
- pdata->irq_clr_on_wr = of_property_read_bool(np,
- "marvell,irq-clr-on-write");
+ /* Setting irq clear method on write */
+ pdata->irq_clr_on_wr = true;
}

ret = pm80x_init(client);


Thanks,
Vaibhav


\
 
 \ /
  Last update: 2015-06-25 08:01    [W:0.048 / U:1.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site