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path: root/drivers/nfc/microread/i2c.c
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Diffstat (limited to 'drivers/nfc/microread/i2c.c')
-rw-r--r--drivers/nfc/microread/i2c.c36
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c
index 101089495bf..df85cd3d9db 100644
--- a/drivers/nfc/microread/i2c.c
+++ b/drivers/nfc/microread/i2c.c
@@ -13,11 +13,11 @@
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the
- * Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/delay.h>
@@ -95,12 +95,8 @@ static int check_crc(struct sk_buff *skb)
crc = crc ^ skb->data[i];
if (crc != skb->data[skb->len-1]) {
- pr_err(MICROREAD_I2C_DRIVER_NAME
- ": CRC error 0x%x != 0x%x\n",
- crc, skb->data[skb->len-1]);
-
- pr_info(DRIVER_DESC ": %s : BAD CRC\n", __func__);
-
+ pr_err("CRC error 0x%x != 0x%x\n", crc, skb->data[skb->len-1]);
+ pr_info("%s: BAD CRC\n", __func__);
return -EPERM;
}
@@ -160,18 +156,15 @@ static int microread_i2c_read(struct microread_i2c_phy *phy,
u8 tmp[MICROREAD_I2C_LLC_MAX_SIZE - 1];
struct i2c_client *client = phy->i2c_dev;
- pr_debug("%s\n", __func__);
-
r = i2c_master_recv(client, &len, 1);
if (r != 1) {
- dev_err(&client->dev, "cannot read len byte\n");
+ nfc_err(&client->dev, "cannot read len byte\n");
return -EREMOTEIO;
}
if ((len < MICROREAD_I2C_LLC_MIN_SIZE) ||
(len > MICROREAD_I2C_LLC_MAX_SIZE)) {
- dev_err(&client->dev, "invalid len byte\n");
- pr_err("invalid len byte\n");
+ nfc_err(&client->dev, "invalid len byte\n");
r = -EBADMSG;
goto flush;
}
@@ -228,7 +221,6 @@ static irqreturn_t microread_i2c_irq_thread_fn(int irq, void *phy_id)
}
client = phy->i2c_dev;
- dev_dbg(&client->dev, "IRQ\n");
if (phy->hard_fault != 0)
return IRQ_HANDLED;
@@ -263,20 +255,18 @@ static int microread_i2c_probe(struct i2c_client *client,
dev_get_platdata(&client->dev);
int r;
- dev_dbg(&client->dev, "client %p", client);
+ dev_dbg(&client->dev, "client %p\n", client);
if (!pdata) {
- dev_err(&client->dev, "client %p: missing platform data",
+ nfc_err(&client->dev, "client %p: missing platform data\n",
client);
return -EINVAL;
}
phy = devm_kzalloc(&client->dev, sizeof(struct microread_i2c_phy),
GFP_KERNEL);
- if (!phy) {
- dev_err(&client->dev, "Can't allocate microread phy");
+ if (!phy)
return -ENOMEM;
- }
i2c_set_clientdata(client, phy);
phy->i2c_dev = client;
@@ -285,7 +275,7 @@ static int microread_i2c_probe(struct i2c_client *client,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
MICROREAD_I2C_DRIVER_NAME, phy);
if (r) {
- dev_err(&client->dev, "Unable to register IRQ handler");
+ nfc_err(&client->dev, "Unable to register IRQ handler\n");
return r;
}
@@ -296,7 +286,7 @@ static int microread_i2c_probe(struct i2c_client *client,
if (r < 0)
goto err_irq;
- dev_info(&client->dev, "Probed");
+ nfc_info(&client->dev, "Probed");
return 0;
@@ -310,8 +300,6 @@ static int microread_i2c_remove(struct i2c_client *client)
{
struct microread_i2c_phy *phy = i2c_get_clientdata(client);
- dev_dbg(&client->dev, "%s\n", __func__);
-
microread_remove(phy->hdev);
free_irq(client->irq, phy);