[PATCH 2/3] cxl/pci: Update comment

[Ira Weiny <ira.weiny@intel.com>]

The existence of struct cxl_dev_id containing a single member is odd.
The comment made sense when I wrote it but could be clarified.

Update the comment and place it next to the odd looking structure.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
 drivers/cxl/pci.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index f7a5b8e9c102..ad7a1276fdc5 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -469,6 +469,10 @@ static int cxl_alloc_irq_vectors(struct pci_dev *pdev)
 	return 0;
 }
 
+/*
+ * Threaded irq dev_id's must be globally unique.  cxl_dev_id provides a unique
+ * wrapper object for each irq within the same cxlds.
+ */
 struct cxl_dev_id {
 	struct cxl_dev_state *cxlds;
 };
@@ -506,7 +510,6 @@ static int cxl_event_req_irq(struct cxl_dev_state *cxlds, u8 setting)
 	if (FIELD_GET(CXLDEV_EVENT_INT_MODE_MASK, setting) != CXL_INT_MSI_MSIX)
 		return -ENXIO;
 
-	/* dev_id must be globally unique and must contain the cxlds */
 	dev_id = devm_kzalloc(dev, sizeof(*dev_id), GFP_KERNEL);
 	if (!dev_id)
 		return -ENOMEM;

-- 
2.40.0