Re: [PATCH v4] Input: add touchscreen driver for MELFAS MCS-5000 controller

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On 9/16/2009 3:00 PM, Dmitry Torokhov wrote:
> Hi Joonyoung,
> 
> On Wed, Sep 16, 2009 at 02:45:02PM +0900, Joonyoung Shim wrote:
>> +
>> +static irqreturn_t mcs5000_ts_interrupt(int irq, void *dev_id)
>> +{
>> +	struct mcs5000_ts_data *data = dev_id;
>> +	struct i2c_client *client = data->client;
>> +	u8 buffer[READ_BLOCK_SIZE];
>> +	int err;
>> +	int x;
>> +	int y;
>> +
>> +	disable_irq_nosync(irq);
>> +
> 
> I don't think we need to disable IRQ in the threaded handler - it should
> be masked off until we return...
> 

Yor're right. It is unnecessary.

>> +
>> +static irqreturn_t mcs5000_ts_hardirq(int irq, void *dev_id)
>> +{
>> +	return IRQ_WAKE_THREAD;
>> +}
> 
> This is not needed, just pass NULL to request_threaded_irq().
> 

OK, this is unnecessary too.

I will resend the patch after fix.
Thanks.
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