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nfc: nci: Add comment to explain NCI_HCI_MAX_PIPES

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According to specification etsi 102 622 chapter 4.4 pipes
identifier is 7 bits long giving a 127 possible pipes value.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Christophe Ricard 2015-03-31 08:02:21 +02:00 committed by Samuel Ortiz
parent 05db6e94fe
commit 1f74f323e2
1 changed files with 4 additions and 0 deletions
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4
include/net/nfc/nci_core.h
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@ -138,6 +138,10 @@ struct nci_conn_info {
#define NCI_HCI_INVALID_HOST 0x80
#define NCI_HCI_MAX_CUSTOM_GATES 50
/*
* According to specification 102 622 chapter 4.4 Pipes,
* the pipe identifier is 7 bits long.
*/
#define NCI_HCI_MAX_PIPES 127
struct nci_hci_gate {