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authorDoug Ledford <dledford@redhat.com>2015-09-25 10:46:07 -0400
committerDoug Ledford <dledford@redhat.com>2015-09-25 10:46:07 -0400
commit310b7cec8ea32dcd4e9978423717ce78dd89d45d (patch)
treeed7de6ce3c25829d0e7de10d0db9b83c725ee327 /include/linux/ntb.h
parentIB/hfi: Properly set permissions for user device files (diff)
parentLinux 4.3-rc2 (diff)
Merge tag 'v4.3-rc2' into k.o/for-4.3-v1
Linux 4.3-rc2
Diffstat (limited to 'include/linux/ntb.h')
-rw-r--r--include/linux/ntb.h9
1 files changed, 4 insertions, 5 deletions
diff --git a/include/linux/ntb.h b/include/linux/ntb.h
index b02f72bb8e32..f798e2afba88 100644
--- a/include/linux/ntb.h
+++ b/include/linux/ntb.h
@@ -522,10 +522,9 @@ static inline int ntb_mw_clear_trans(struct ntb_dev *ntb, int idx)
* @speed: OUT - The link speed expressed as PCIe generation number.
* @width: OUT - The link width expressed as the number of PCIe lanes.
*
- * Set the translation of a memory window. The peer may access local memory
- * through the window starting at the address, up to the size. The address
- * must be aligned to the alignment specified by ntb_mw_get_range(). The size
- * must be aligned to the size alignment specified by ntb_mw_get_range().
+ * Get the current state of the ntb link. It is recommended to query the link
+ * state once after every link event. It is safe to query the link state in
+ * the context of the link event callback.
*
* Return: One if the link is up, zero if the link is down, otherwise a
* negative value indicating the error number.
@@ -795,7 +794,7 @@ static inline int ntb_peer_db_set(struct ntb_dev *ntb, u64 db_bits)
}
/**
- * ntb_peer_db_clear() - clear bits in the local doorbell register
+ * ntb_peer_db_clear() - clear bits in the peer doorbell register
* @ntb: NTB device context.
* @db_bits: Doorbell bits to clear.
*