NFC: 3.16: Second pull request

This is the 2nd NFC pull request for 3.16. We have: - Felica (Type3) tags support for trf7970a - Type 4b tags support for port100 - st21nfca DTS typo fix - A few sparse warning check fixes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJTh7q/AAoJEIqAPN1PVmxKKAMP/1mJP88CXQv6SZUpmWMXP/K2 7LqdG6nSnuPwm8k43qbNTdCbZRxfRVTdmyBjdAsxHYVOj2S3hGMkYXcCW6phD+AJ I4OPi3quC+y+4Tjl34fWIpEPTgvmAqMxuyLXiKwMTwuzdwNkDF3JzYiRyxm2QvqM qFevVEUdWqj0YywJGfokQLFfWNJbu7ghpBei4eIK53QX63dIQVPi63Lih5jBI4ig gJg7CHfPzaduYuCysU7rRss93p4CJ45Mc8b9CZn59KWW2nRw98wp867083Rbr9F7 zwaH0hc/L1kwFLLEXMYPx2a/1CoEya54amu8oKaBEg90OUvYPxjPQlPKvmy1hKXB cNwW7snuAH+10IBmD3dcoEqZ50pTXkMZw5czdNmgnUUxrOyS4wzR/n1X10+FqH3O 1E6G8MWVZuIU9l/FBSRvhX0jFK2upHgGrD93nu1qAg7giAZvqDHUSKdGVmMfI32D Tm+j6cS0/AouePssWChQtPwbAJus2kgeBO/w8gu2HaFN8C13E/nPSg77tONlRWQ6 rEkXum1P2jE9QTGQfzGwbCITxhEiMpHxtXV80lD5THkfHVVtQV6zkL2Lj9QDzoxQ d80Xk2DOScKnDcVCOiHX1NrnST3sFH1TsRS9XCKvmDX02VMl+KbYZzzJJaQ8gDLj NCVNv3BvuclwsG3VVqFn =t52d -----END PGP SIGNATURE----- Merge tag 'nfc-next-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next Samuel Ortiz <sameo@linux.intel.com> says: "NFC: 3.16: Second pull request This is the 2nd NFC pull request for 3.16. We have: - Felica (Type3) tags support for trf7970a - Type 4b tags support for port100 - st21nfca DTS typo fix - A few sparse warning check fixes" Signed-off-by: John W. Linville <linville@tuxdriver.com>
2024-11-30 11:16:48 +07:00 · 2014-05-30 13:41:40 -04:00 · 2014-05-30 13:41:40 -04:00 · 57afc62e94
commit 57afc62e94
parent a3b9d55350 6857bb9627
7 changed files with 57 additions and 11 deletions
--- a/Documentation/devicetree/bindings/net/nfc/st21nfca.txt
+++ b/Documentation/devicetree/bindings/net/nfc/st21nfca.txt
@ -1,7 +1,7 @@
 * STMicroelectronics SAS. ST21NFCA NFC Controller

 Required properties:
- compatible: Should be "st,st21nfca-i2c".
+- compatible: Should be "st,st21nfca_i2c".
 - clock-frequency: I²C work frequency.
 - reg: address on the bus
 - interrupt-parent: phandle for the interrupt gpio controller
--- a/drivers/nfc/port100.c
+++ b/drivers/nfc/port100.c
@ -28,7 +28,8 @@
 			   NFC_PROTO_MIFARE_MASK   | \
 			   NFC_PROTO_FELICA_MASK   | \
 			   NFC_PROTO_NFC_DEP_MASK  | \
-			   NFC_PROTO_ISO14443_MASK)
+			   NFC_PROTO_ISO14443_MASK | \
+			   NFC_PROTO_ISO14443_B_MASK)

 #define PORT100_CAPABILITIES (NFC_DIGITAL_DRV_CAPS_IN_CRC | \
 			      NFC_DIGITAL_DRV_CAPS_TG_CRC)
@ -120,6 +121,7 @@ struct port100_in_rf_setting {
 #define PORT100_COMM_TYPE_IN_212F 0x01
 #define PORT100_COMM_TYPE_IN_424F 0x02
 #define PORT100_COMM_TYPE_IN_106A 0x03
+#define PORT100_COMM_TYPE_IN_106B 0x07

 static const struct port100_in_rf_setting in_rf_settings[] = {
 	[NFC_DIGITAL_RF_TECH_212F] = {
@ -140,6 +142,12 @@ static const struct port100_in_rf_setting in_rf_settings[] = {
 		.in_recv_set_number = 15,
 		.in_recv_comm_type  = PORT100_COMM_TYPE_IN_106A,
 	},
+	[NFC_DIGITAL_RF_TECH_106B] = {
+		.in_send_set_number = 3,
+		.in_send_comm_type  = PORT100_COMM_TYPE_IN_106B,
+		.in_recv_set_number = 15,
+		.in_recv_comm_type  = PORT100_COMM_TYPE_IN_106B,
+	},
 	/* Ensures the array has NFC_DIGITAL_RF_TECH_LAST elements */
 	[NFC_DIGITAL_RF_TECH_LAST] = { 0 },
 };
@ -340,6 +348,32 @@ in_protocols[][PORT100_IN_MAX_NUM_PROTOCOLS + 1] = {
 	[NFC_DIGITAL_FRAMING_NFC_DEP_ACTIVATED] = {
 		{ PORT100_IN_PROT_END, 0 },
 	},
+	[NFC_DIGITAL_FRAMING_NFCB] = {
+		{ PORT100_IN_PROT_INITIAL_GUARD_TIME,     20 },
+		{ PORT100_IN_PROT_ADD_CRC,                 1 },
+		{ PORT100_IN_PROT_CHECK_CRC,               1 },
+		{ PORT100_IN_PROT_MULTI_CARD,              0 },
+		{ PORT100_IN_PROT_ADD_PARITY,              0 },
+		{ PORT100_IN_PROT_CHECK_PARITY,            0 },
+		{ PORT100_IN_PROT_BITWISE_AC_RECV_MODE,    0 },
+		{ PORT100_IN_PROT_VALID_BIT_NUMBER,        8 },
+		{ PORT100_IN_PROT_CRYPTO1,                 0 },
+		{ PORT100_IN_PROT_ADD_SOF,                 1 },
+		{ PORT100_IN_PROT_CHECK_SOF,               1 },
+		{ PORT100_IN_PROT_ADD_EOF,                 1 },
+		{ PORT100_IN_PROT_CHECK_EOF,               1 },
+		{ PORT100_IN_PROT_DEAF_TIME,               4 },
+		{ PORT100_IN_PROT_CRM,                     0 },
+		{ PORT100_IN_PROT_CRM_MIN_LEN,             0 },
+		{ PORT100_IN_PROT_T1_TAG_FRAME,            0 },
+		{ PORT100_IN_PROT_RFCA,                    0 },
+		{ PORT100_IN_PROT_GUARD_TIME_AT_INITIATOR, 6 },
+		{ PORT100_IN_PROT_END,                     0 },
+	},
+	[NFC_DIGITAL_FRAMING_NFCB_T4T] = {
+		/* nfc_digital_framing_nfcb */
+		{ PORT100_IN_PROT_END,                     0 },
+	},
 	/* Ensures the array has NFC_DIGITAL_FRAMING_LAST elements */
 	[NFC_DIGITAL_FRAMING_LAST] = {
 		{ PORT100_IN_PROT_END, 0 },
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@ -105,7 +105,8 @@

 #define TRF7970A_SUPPORTED_PROTOCOLS \
 		(NFC_PROTO_MIFARE_MASK | NFC_PROTO_ISO14443_MASK |	\
-		 NFC_PROTO_ISO14443_B_MASK | NFC_PROTO_ISO15693_MASK)
+		 NFC_PROTO_ISO14443_B_MASK | NFC_PROTO_FELICA_MASK | \
+		 NFC_PROTO_ISO15693_MASK)

 #define TRF7970A_AUTOSUSPEND_DELAY		30000 /* 30 seconds */

@ -867,6 +868,14 @@ static int trf7970a_config_rf_tech(struct trf7970a *trf, int tech)
 		trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_14443B_106;
 		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_ASK10;
 		break;
+	case NFC_DIGITAL_RF_TECH_212F:
+		trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_FELICA_212;
+		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_ASK10;
+		break;
+	case NFC_DIGITAL_RF_TECH_424F:
+		trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_FELICA_424;
+		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_ASK10;
+		break;
 	case NFC_DIGITAL_RF_TECH_ISO15693:
 		trf->iso_ctrl_tech = TRF7970A_ISO_CTRL_15693_SGL_1OF4_2648;
 		trf->modulator_sys_clk_ctrl = TRF7970A_MODULATOR_DEPTH_OOK;
@ -898,6 +907,8 @@ static int trf7970a_config_framing(struct trf7970a *trf, int framing)
 	case NFC_DIGITAL_FRAMING_NFCA_T4T:
 	case NFC_DIGITAL_FRAMING_NFCB:
 	case NFC_DIGITAL_FRAMING_NFCB_T4T:
+	case NFC_DIGITAL_FRAMING_NFCF:
+	case NFC_DIGITAL_FRAMING_NFCF_T3T:
 	case NFC_DIGITAL_FRAMING_ISO15693_INVENTORY:
 	case NFC_DIGITAL_FRAMING_ISO15693_T5T:
 		trf->tx_cmd = TRF7970A_CMD_TRANSMIT;
--- a/net/nfc/digital_core.c
+++ b/net/nfc/digital_core.c
@ -386,6 +386,8 @@ int digital_target_found(struct nfc_digital_dev *ddev,

 void digital_poll_next_tech(struct nfc_digital_dev *ddev)
 {
+	u8 rand_mod;
+
 	digital_switch_rf(ddev, 0);

 	mutex_lock(&ddev->poll_lock);
@ -395,8 +397,8 @@ void digital_poll_next_tech(struct nfc_digital_dev *ddev)
 		return;
 	}

-	ddev->poll_tech_index = (ddev->poll_tech_index + 1) %
-				ddev->poll_tech_count;
+	get_random_bytes(&rand_mod, sizeof(rand_mod));
+	ddev->poll_tech_index = rand_mod % ddev->poll_tech_count;

 	mutex_unlock(&ddev->poll_lock);

--- a/net/nfc/digital_dep.c
+++ b/net/nfc/digital_dep.c
@ -224,9 +224,8 @@ int digital_in_send_atr_req(struct nfc_digital_dev *ddev,

 	ddev->skb_add_crc(skb);

-	digital_in_send_cmd(ddev, skb, 500, digital_in_recv_atr_res, target);
-
-	return 0;
+	return digital_in_send_cmd(ddev, skb, 500, digital_in_recv_atr_res,
+				   target);
 }

 static int digital_in_send_rtox(struct nfc_digital_dev *ddev,
--- a/net/nfc/digital_technology.c
+++ b/net/nfc/digital_technology.c
@ -613,7 +613,7 @@ static void digital_in_recv_attrib_res(struct nfc_digital_dev *ddev, void *arg,
 		digital_poll_next_tech(ddev);
 }

-int digital_in_send_attrib_req(struct nfc_digital_dev *ddev,
+static int digital_in_send_attrib_req(struct nfc_digital_dev *ddev,
 			       struct nfc_target *target,
 			       struct digital_sensb_res *sensb_res)
 {
--- a/net/nfc/rawsock.c
+++ b/net/nfc/rawsock.c
@ -31,14 +31,14 @@ static struct nfc_sock_list raw_sk_list = {
 	.lock = __RW_LOCK_UNLOCKED(raw_sk_list.lock)
 };

-void nfc_sock_link(struct nfc_sock_list *l, struct sock *sk)
+static void nfc_sock_link(struct nfc_sock_list *l, struct sock *sk)
 {
 	write_lock(&l->lock);
 	sk_add_node(sk, &l->head);
 	write_unlock(&l->lock);
 }

-void nfc_sock_unlink(struct nfc_sock_list *l, struct sock *sk)
+static void nfc_sock_unlink(struct nfc_sock_list *l, struct sock *sk)
 {
 	write_lock(&l->lock);
 	sk_del_node_init(sk);