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path: root/drivers/nfc/trf7970a.c
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Diffstat (limited to 'drivers/nfc/trf7970a.c')
-rw-r--r--drivers/nfc/trf7970a.c25
1 files changed, 4 insertions, 21 deletions
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index 914463a0e7b3..6ee7b038823d 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -150,7 +150,6 @@
*/
#define TRF7970A_QUIRK_IRQ_STATUS_READ BIT(0)
#define TRF7970A_QUIRK_EN2_MUST_STAY_LOW BIT(1)
-#define TRF7970A_QUIRK_T5T_RMB_EXTRA_BYTE BIT(2)
/* Direct commands */
#define TRF7970A_CMD_IDLE 0x00
@@ -449,7 +448,6 @@ struct trf7970a {
u8 md_rf_tech;
u8 tx_cmd;
bool issue_eof;
- bool adjust_resp_len;
struct gpio_desc *en_gpiod;
struct gpio_desc *en2_gpiod;
struct mutex lock;
@@ -630,13 +628,6 @@ static void trf7970a_send_upstream(struct trf7970a *trf)
trf->aborting = false;
}
- if (trf->adjust_resp_len) {
- if (trf->rx_skb)
- skb_trim(trf->rx_skb, trf->rx_skb->len - 1);
-
- trf->adjust_resp_len = false;
- }
-
trf->cb(trf->ddev, trf->cb_arg, trf->rx_skb);
trf->rx_skb = NULL;
@@ -1459,15 +1450,10 @@ static int trf7970a_per_cmd_config(struct trf7970a *trf, struct sk_buff *skb)
trf->iso_ctrl = iso_ctrl;
}
- if (trf->framing == NFC_DIGITAL_FRAMING_ISO15693_T5T) {
- if (trf7970a_is_iso15693_write_or_lock(req[1]) &&
- (req[0] & ISO15693_REQ_FLAG_OPTION))
- trf->issue_eof = true;
- else if ((trf->quirks &
- TRF7970A_QUIRK_T5T_RMB_EXTRA_BYTE) &&
- (req[1] == ISO15693_CMD_READ_MULTIPLE_BLOCK))
- trf->adjust_resp_len = true;
- }
+ if ((trf->framing == NFC_DIGITAL_FRAMING_ISO15693_T5T) &&
+ trf7970a_is_iso15693_write_or_lock(req[1]) &&
+ (req[0] & ISO15693_REQ_FLAG_OPTION))
+ trf->issue_eof = true;
}
return 0;
@@ -2032,9 +2018,6 @@ static int trf7970a_probe(struct spi_device *spi)
return ret;
}
- if (of_property_read_bool(np, "t5t-rmb-extra-byte-quirk"))
- trf->quirks |= TRF7970A_QUIRK_T5T_RMB_EXTRA_BYTE;
-
if (of_property_read_bool(np, "irq-status-read-quirk"))
trf->quirks |= TRF7970A_QUIRK_IRQ_STATUS_READ;