linux-kernel - Re: [RFC PATCH 05/40] soundwire: intel: move interrupt enable after interrupt handler registration

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Date:   Fri, 2 Aug 2019 10:08:28 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        tiwai@...e.de, broonie@...nel.org, gregkh@...uxfoundation.org,
        jank@...ence.com, srinivas.kandagatla@...aro.org,
        slawomir.blauciak@...el.com, Sanyog Kale <sanyog.r.kale@...el.com>
Subject: Re: [RFC PATCH 05/40] soundwire: intel: move interrupt enable after
 interrupt handler registration



On 8/2/19 6:53 AM, Vinod Koul wrote:
> On 25-07-19, 18:39, Pierre-Louis Bossart wrote:
>> Not sure why the existing code would enable interrupts without the
>> ability to deal with them.
>>
>> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
>> ---
>>   drivers/soundwire/intel.c | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
>> index aeadc341c0a3..68832e613b1e 100644
>> --- a/drivers/soundwire/intel.c
>> +++ b/drivers/soundwire/intel.c
>> @@ -981,8 +981,6 @@ static int intel_probe(struct platform_device *pdev)
>>   	if (ret)
>>   		goto err_init;
>>   
>> -	ret = sdw_cdns_enable_interrupt(&sdw->cdns);
>> -
>>   	/* Read the PDI config and initialize cadence PDI */
>>   	intel_pdi_init(sdw, &config);
>>   	ret = sdw_cdns_pdi_init(&sdw->cdns, config);
>> @@ -1000,6 +998,8 @@ static int intel_probe(struct platform_device *pdev)
>>   		goto err_init;
>>   	}
>>   
>> +	ret = sdw_cdns_enable_interrupt(&sdw->cdns);
> 
> we should also handle the return

yes, fixed already