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| author | Samuel Ortiz <sameo@linux.intel.com> | 2013-05-27 15:29:11 +0200 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-06-14 13:44:18 +0200 |
| commit | 322bce957e9b0e30ef7147dae0414ad8f3f558c8 (patch) | |
| tree | 83791eb96720eb16127f7820202935268a09db36 /drivers/nfc/pn533.c | |
| parent | 31c44464acb8152db5745da700be58ac95ba0a83 (diff) | |
| download | lwn-322bce957e9b0e30ef7147dae0414ad8f3f558c8.tar.gz lwn-322bce957e9b0e30ef7147dae0414ad8f3f558c8.zip | |
NFC: pn533: Copy NFCID2 through ATR_REQ
When using NFC-F we should copy the NFCID2 buffer that we got from
SENSF_RES through the ATR_REQ NFCID3 buffer. Not doing so violates
NFC Forum digital requirement #189.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc/pn533.c')
| -rw-r--r-- | drivers/nfc/pn533.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 6bd4f598b3e1..e196bdfcfc30 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1235,7 +1235,7 @@ static int pn533_target_found_type_a(struct nfc_target *nfc_tgt, u8 *tgt_data, struct pn533_target_felica { u8 pol_res; u8 opcode; - u8 nfcid2[8]; + u8 nfcid2[NFC_NFCID2_MAXSIZE]; u8 pad[8]; /* optional */ u8 syst_code[]; @@ -1275,6 +1275,9 @@ static int pn533_target_found_felica(struct nfc_target *nfc_tgt, u8 *tgt_data, memcpy(nfc_tgt->sensf_res, &tgt_felica->opcode, 9); nfc_tgt->sensf_res_len = 9; + memcpy(nfc_tgt->nfcid2, tgt_felica->nfcid2, NFC_NFCID2_MAXSIZE); + nfc_tgt->nfcid2_len = NFC_NFCID2_MAXSIZE; + return 0; } @@ -2084,6 +2087,9 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, if (comm_mode == NFC_COMM_PASSIVE) skb_len += PASSIVE_DATA_LEN; + if (target && target->nfcid2_len) + skb_len += NFC_NFCID3_MAXSIZE; + skb = pn533_alloc_skb(dev, skb_len); if (!skb) return -ENOMEM; @@ -2100,6 +2106,12 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, *next |= 1; } + if (target && target->nfcid2_len) { + memcpy(skb_put(skb, NFC_NFCID3_MAXSIZE), target->nfcid2, + target->nfcid2_len); + *next |= 2; + } + if (gb != NULL && gb_len > 0) { memcpy(skb_put(skb, gb_len), gb, gb_len); *next |= 4; /* We have some Gi */ |