linux-kernel - Re: [PATCH] staging: ste_rmi4: Add IRQF

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Date:	Fri, 12 Jun 2015 06:47:25 +0000
From:	"Abdul, Hussain (H.)" <habdul@...teon.com>
To:	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
CC:	"vthakkar1994@...il.com" <vthakkar1994@...il.com>,
	"hamohammed.sa@...il.com" <hamohammed.sa@...il.com>,
	"tapaswenipathak@...il.com" <tapaswenipathak@...il.com>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] staging: ste_rmi4: Add IRQF_ONESHOT flag

On Thursday 11 June 2015 08:06 PM, gregkh@...uxfoundation.org wrote:
> On Thu, Jun 11, 2015 at 10:14:49AM +0000, Abdul, Hussain (H.) wrote:
>> This patch add IRQF_ONESHOT flag in threaded IRQs request without a primary handler.
>>
>> Signed-off-by: Abdul Hussain <habdul@...teon.com>
>> ---
>>  drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
>> index 0f524bb..7caaae0 100644
>> --- a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
>> +++ b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
>> @@ -987,7 +987,7 @@ static int synaptics_rmi4_probe
>>  				rmi4_data->number_of_interrupt_register);
>>  	retval = request_threaded_irq(client->irq, NULL,
>>  					synaptics_rmi4_irq,
>> -					platformdata->irq_type,
>> +					platformdata->irq_type | IRQF_ONESHOT,
>>  					DRIVER_NAME, rmi4_data);
>>  	if (retval) {
>>  		dev_err(&client->dev, "Unable to get attn irq %d\n",
> Have you tested this?  This changes the behavior of the code, right?
>
Greg,

I haven't tested this changes. Yes, this will change the behavior of the code.

Thanks
Abdul
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