On 03/28/2018 03:01 PM, Grygorii Strashko wrote:
> Hi Murali,
>
>>
>> +enum qmss_version {
>> + QMSS,
>> + QMSS_LITE,
>
> QMSS_66AK2G
>
OK.
>> +};
>> +
>> struct knav_device {
>> struct device *dev;
>> unsigned base_id;
>> @@ -305,6 +310,7 @@ struct knav_device {
>> struct list_head pools;
>> struct list_head pdsps;
>> struct list_head qmgrs;
>> + enum qmss_version version;
>> };
>>
>
> [...]
>
>> }
>>
>> +/* Match table for of_platform binding */
>> +static const struct of_device_id keystone_qmss_of_match[] = {
>> + {
>> + .compatible = "ti,keystone-navigator-qmss",
>
> .data = (void *)QMSS,
This seems to be unnecessary as QMSS is actually defined as zero. Also
this static. So that value is zero already in memory.
>
>> + },
>> + {
>> + .compatible = "ti,keystone-navigator-qmss-l",
>> + .data = (void *)QMSS_LITE,
>> + },
>> + {},
>> +};
>> +MODULE_DEVICE_TABLE(of, keystone_qmss_of_match);
>> +
>> static int knav_queue_probe(struct platform_device *pdev)
>> {
>> struct device_node *node = pdev->dev.of_node;
>> struct device_node *qmgrs, *queue_pools, *regions, *pdsps;
>> + const struct of_device_id *match;
>> struct device *dev = &pdev->dev;
>> u32 temp[2];
>> int ret;
>> @@ -1700,6 +1749,10 @@ static int knav_queue_probe(struct platform_device *pdev)
>> return -ENOMEM;
>> }
>>
>> + match = of_match_device(of_match_ptr(keystone_qmss_of_match), dev);
>> + if (match && match->data)
>> + kdev->version = QMSS_LITE;
>
> if (match)
> kdev->version = match->data;
> else
> error?
Similar to above. This private memory is allocated using kzalloc which initializes
everything to zero. So the else part is unnecessary.
Murali
> [...]
>
--
Murali Karicheri
Linux Kernel, Keystone
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