linux-kernel - Re: [PATCH 05/13] coresight: etm3: Add support for handling errors

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Date:   Thu, 16 Aug 2018 16:45:32 +0100
From:   Suzuki K Poulose <Suzuki.Poulose@....com>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        robert.walker@....com, mike.leach@....com
Subject: Re: [PATCH 05/13] coresight: etm3: Add support for handling errors

On 15/08/18 20:34, Mathieu Poirier wrote:
> On Mon, Aug 06, 2018 at 02:41:47PM +0100, Suzuki K Poulose wrote:
>> Add support for reporting errors back from the SMP cross
>> function call for enabling ETM.
>>
>> Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
>> Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
>> ---
>>   drivers/hwtracing/coresight/coresight-etm3x.c | 42 ++++++++++++++++++---------
>>   1 file changed, 28 insertions(+), 14 deletions(-)
>>
>> diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c
>> index 9ce8fba..771691c 100644
>> --- a/drivers/hwtracing/coresight/coresight-etm3x.c
>> +++ b/drivers/hwtracing/coresight/coresight-etm3x.c
>> @@ -355,11 +355,10 @@ static int etm_parse_event_config(struct etm_drvdata *drvdata,
>>   	return 0;
>>   }
>>   
>> -static void etm_enable_hw(void *info)
>> +static int etm_enable_hw(struct etm_drvdata *drvdata)
>>   {
>>   	int i;
>>   	u32 etmcr;
>> -	struct etm_drvdata *drvdata = info;
>>   	struct etm_config *config = &drvdata->config;
>>   
>>   	CS_UNLOCK(drvdata->base);
>> @@ -421,6 +420,21 @@ static void etm_enable_hw(void *info)
>>   	CS_LOCK(drvdata->base);
>>   
>>   	dev_dbg(drvdata->dev, "cpu: %d enable smp call done\n", drvdata->cpu);
>> +	return 0;
>> +}
>> +
>> +struct etm_enable_arg {
>> +	struct etm_drvdata *drvdata;
>> +	int rc;
>> +}
> 
> This doesn't compile a ';' is missing.

Oops. Sorry about that. I will give the series a spin on arm32.

Suzuki