On 02/08/2021 11:03, Damien Le Moal wrote:

+/**
+ * sas_ncq_prio_supported_show - Indicate if device supports NCQ priority
+ * @dev: pointer to embedded device
+ * @attr: sas_ncq_prio_supported attribute desciptor
+ * @buf: the buffer returned
+ *
+ * A sysfs 'read/write' sdev attribute, only works with SATA
+ */

[...]

+static DEVICE_ATTR_RO(sas_ncq_prio_supported);
+

Shouldn't that comment read: 
"A sysfs 'read only' sdev attribute, only works with SATA"