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path: root/drivers/nfc/st-nci/i2c.c
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Diffstat (limited to 'drivers/nfc/st-nci/i2c.c')
-rw-r--r--drivers/nfc/st-nci/i2c.c23
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");