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Diffstat (limited to 'include/net/nfc/hci.h')
-rw-r--r--include/net/nfc/hci.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h
index ab672b537dd4..020a814bc8ed 100644
--- a/include/net/nfc/hci.h
+++ b/include/net/nfc/hci.h
@@ -83,6 +83,10 @@ struct nfc_hci_pipe {
};
#define NFC_HCI_MAX_CUSTOM_GATES 50
+/*
+ * According to specification 102 622 chapter 4.4 Pipes,
+ * the pipe identifier is 7 bits long.
+ */
#define NFC_HCI_MAX_PIPES 127
struct nfc_hci_init_data {
u8 gate_count;