diff options
Diffstat (limited to 'drivers/nfc/st-nci/i2c.c')
| -rw-r--r-- | drivers/nfc/st-nci/i2c.c | 23 |
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/nfc/st-nci/i2c.c b/drivers/nfc/st-nci/i2c.c index 06175ce769bb..707ed2eb5936 100644 --- a/drivers/nfc/st-nci/i2c.c +++ b/drivers/nfc/st-nci/i2c.c @@ -25,15 +25,15 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/nfc.h> -#include <linux/platform_data/st_nci.h> +#include <linux/platform_data/st-nci.h> #include "ndlc.h" -#define DRIVER_DESC "NCI NFC driver for ST21NFCB" +#define DRIVER_DESC "NCI NFC driver for ST_NCI" /* ndlc header */ -#define ST21NFCB_FRAME_HEADROOM 1 -#define ST21NFCB_FRAME_TAILROOM 0 +#define ST_NCI_FRAME_HEADROOM 1 +#define ST_NCI_FRAME_TAILROOM 0 #define ST_NCI_I2C_MIN_SIZE 4 /* PCB(1) + NCI Packet header(3) */ #define ST_NCI_I2C_MAX_SIZE 250 /* req 4.2.1 */ @@ -118,15 +118,10 @@ static int st_nci_i2c_write(void *phy_id, struct sk_buff *skb) /* * Reads an ndlc frame and returns it in a newly allocated sk_buff. * returns: - * frame size : if received frame is complete (find ST21NFCB_SOF_EOF at - * end of read) - * -EAGAIN : if received frame is incomplete (not find ST21NFCB_SOF_EOF - * at end of read) + * 0 : if received frame is complete * -EREMOTEIO : i2c read error (fatal) * -EBADMSG : frame was incorrect and discarded - * (value returned from st_nci_i2c_repack) - * -EIO : if no ST21NFCB_SOF_EOF is found after reaching - * the read length end sequence + * -ENOMEM : cannot allocate skb, frame dropped */ static int st_nci_i2c_read(struct st_nci_i2c_phy *phy, struct sk_buff **skb) @@ -179,7 +174,7 @@ static int st_nci_i2c_read(struct st_nci_i2c_phy *phy, /* * Reads an ndlc frame from the chip. * - * On ST21NFCB, IRQ goes in idle state when read starts. + * On ST_NCI, IRQ goes in idle state when read starts. */ static irqreturn_t st_nci_irq_thread_fn(int irq, void *phy_id) { @@ -325,12 +320,12 @@ static int st_nci_i2c_probe(struct i2c_client *client, } } else { nfc_err(&client->dev, - "st21nfcb platform resources not available\n"); + "st_nci platform resources not available\n"); return -ENODEV; } r = ndlc_probe(phy, &i2c_phy_ops, &client->dev, - ST21NFCB_FRAME_HEADROOM, ST21NFCB_FRAME_TAILROOM, + ST_NCI_FRAME_HEADROOM, ST_NCI_FRAME_TAILROOM, &phy->ndlc); if (r < 0) { nfc_err(&client->dev, "Unable to register ndlc layer\n"); |