Re: [PATCH] usb: typec: tcpci_maxim: remove redundant assignment

From: Joe Perches
Date: Sat Jan 23 2021 - 13:25:06 EST


> diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.c b/drivers/usb/typec/tcpm/tcpci_maxim.c
On Sat, 2021-01-23 at 18:14 +0800, angkery wrote:
> From: Junlin Yang <yangjunlin@xxxxxxxxxx>
>
> PTR_ERR(chip->tcpci) has been used as a return value,
> it is not necessary to assign it to ret, so remove it.
[]
[]
> @@ -461,7 +461,6 @@ static int max_tcpci_probe(struct i2c_client *client, const struct i2c_device_id
>   chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
>   if (IS_ERR(chip->tcpci)) {
>   dev_err(&client->dev, "TCPCI port registration failed");

could add terminating '\n' to the formats where missed too.

> - ret = PTR_ERR(chip->tcpci);
>   return PTR_ERR(chip->tcpci);
>   }
>   chip->port = tcpci_get_tcpm_port(chip->tcpci);
---
diff --git a/drivers/usb/typec/tcpm/tcpci_maxim.c b/drivers/usb/typec/tcpm/tcpci_maxim.c
index 319266329b42..a51cd1682170 100644
--- a/drivers/usb/typec/tcpm/tcpci_maxim.c
+++ b/drivers/usb/typec/tcpm/tcpci_maxim.c
@@ -158,7 +158,7 @@ static void process_rx(struct max_tcpci_chip *chip, u16 status)
*/
ret = regmap_raw_read(chip->data.regmap, TCPC_RX_BYTE_CNT, rx_buf, 2);
if (ret < 0) {
- dev_err(chip->dev, "TCPC_RX_BYTE_CNT read failed ret:%d", ret);
+ dev_err(chip->dev, "TCPC_RX_BYTE_CNT read failed ret:%d\n", ret);
return;
}

@@ -167,13 +167,13 @@ static void process_rx(struct max_tcpci_chip *chip, u16 status)

if (count == 0 || frame_type != TCPC_RX_BUF_FRAME_TYPE_SOP) {
max_tcpci_write16(chip, TCPC_ALERT, TCPC_ALERT_RX_STATUS);
- dev_err(chip->dev, "%s", count == 0 ? "error: count is 0" :
+ dev_err(chip->dev, "%s\n", count == 0 ? "error: count is 0" :
"error frame_type is not SOP");
return;
}

if (count > sizeof(struct pd_message) || count + 1 > TCPC_RECEIVE_BUFFER_LEN) {
- dev_err(chip->dev, "Invalid TCPC_RX_BYTE_CNT %d", count);
+ dev_err(chip->dev, "Invalid TCPC_RX_BYTE_CNT %d\n", count);
return;
}

@@ -184,7 +184,7 @@ static void process_rx(struct max_tcpci_chip *chip, u16 status)
count += 1;
ret = regmap_raw_read(chip->data.regmap, TCPC_RX_BYTE_CNT, rx_buf, count);
if (ret < 0) {
- dev_err(chip->dev, "Error: TCPC_RX_BYTE_CNT read failed: %d", ret);
+ dev_err(chip->dev, "Error: TCPC_RX_BYTE_CNT read failed: %d\n", ret);
return;
}

@@ -317,7 +317,7 @@ static irqreturn_t _max_tcpci_irq(struct max_tcpci_chip *chip, u16 status)
return ret;

if (reg_status & TCPC_SINK_FAST_ROLE_SWAP) {
- dev_info(chip->dev, "FRS Signal");
+ dev_info(chip->dev, "FRS Signal\n");
tcpm_sink_frs(chip->port);
}
}
@@ -460,7 +460,7 @@ static int max_tcpci_probe(struct i2c_client *client, const struct i2c_device_id
max_tcpci_init_regs(chip);
chip->tcpci = tcpci_register_port(chip->dev, &chip->data);
if (IS_ERR(chip->tcpci)) {
- dev_err(&client->dev, "TCPCI port registration failed");
+ dev_err(&client->dev, "TCPCI port registration failed\n");
ret = PTR_ERR(chip->tcpci);
return PTR_ERR(chip->tcpci);
}