@@ -383,8 +383,8 @@ static void btmtkuart_recv(struct hci_dev *hdev, const u8 *data, size_t count)
}
}
-static ssize_t btmtkuart_receive_buf(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t btmtkuart_receive_buf(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct btmtkuart_dev *bdev = serdev_device_get_drvdata(serdev);
@@ -1264,8 +1264,8 @@ static const struct h4_recv_pkt nxp_recv_pkts[] = {
{ NXP_RECV_FW_REQ_V3, .recv = nxp_recv_fw_req_v3 },
};
-static ssize_t btnxpuart_receive_buf(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t btnxpuart_receive_buf(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct btnxpuart_dev *nxpdev = serdev_device_get_drvdata(serdev);
@@ -271,8 +271,8 @@ static void hci_uart_write_wakeup(struct serdev_device *serdev)
*
* Return: number of processed bytes
*/
-static ssize_t hci_uart_receive_buf(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t hci_uart_receive_buf(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct hci_uart *hu = serdev_device_get_drvdata(serdev);
@@ -317,10 +317,10 @@ EXPORT_SYMBOL_GPL(gnss_deregister_device);
*
* Must not be called for a closed device.
*/
-int gnss_insert_raw(struct gnss_device *gdev, const unsigned char *buf,
- size_t count)
+size_t gnss_insert_raw(struct gnss_device *gdev, const unsigned char *buf,
+ size_t count)
{
- int ret;
+ size_t ret;
ret = kfifo_in(&gdev->read_fifo, buf, count);
@@ -80,8 +80,8 @@ static const struct gnss_operations gnss_serial_gnss_ops = {
.write_raw = gnss_serial_write_raw,
};
-static ssize_t gnss_serial_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t count)
+static size_t gnss_serial_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t count)
{
struct gnss_serial *gserial = serdev_device_get_drvdata(serdev);
struct gnss_device *gdev = gserial->gdev;
@@ -160,12 +160,12 @@ static const struct gnss_operations sirf_gnss_ops = {
.write_raw = sirf_write_raw,
};
-static ssize_t sirf_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t count)
+static size_t sirf_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t count)
{
struct sirf_data *data = serdev_device_get_drvdata(serdev);
struct gnss_device *gdev = data->gdev;
- int ret = 0;
+ size_t ret = 0;
if (!data->wakeup && !data->active) {
data->active = true;
@@ -257,7 +257,7 @@ static void hdlc_rx_frame(struct gb_beagleplay *bg)
}
}
-static ssize_t hdlc_rx(struct gb_beagleplay *bg, const u8 *data, size_t count)
+static size_t hdlc_rx(struct gb_beagleplay *bg, const u8 *data, size_t count)
{
size_t i;
u8 c;
@@ -317,8 +317,8 @@ static void hdlc_deinit(struct gb_beagleplay *bg)
flush_work(&bg->tx_work);
}
-static ssize_t gb_tty_receive(struct serdev_device *sd, const u8 *data,
- size_t count)
+static size_t gb_tty_receive(struct serdev_device *sd, const u8 *data,
+ size_t count)
{
struct gb_beagleplay *bg = serdev_device_get_drvdata(sd);
@@ -211,8 +211,8 @@ static bool pms7003_frame_is_okay(struct pms7003_frame *frame)
return checksum == pms7003_calc_checksum(frame);
}
-static ssize_t pms7003_receive_buf(struct serdev_device *serdev, const u8 *buf,
- size_t size)
+static size_t pms7003_receive_buf(struct serdev_device *serdev, const u8 *buf,
+ size_t size)
{
struct iio_dev *indio_dev = serdev_device_get_drvdata(serdev);
struct pms7003_state *state = iio_priv(indio_dev);
@@ -174,8 +174,8 @@ static int scd30_serdev_command(struct scd30_state *state, enum scd30_cmd cmd, u
return 0;
}
-static ssize_t scd30_serdev_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t size)
+static size_t scd30_serdev_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t size)
{
struct iio_dev *indio_dev = serdev_device_get_drvdata(serdev);
struct scd30_serdev_priv *priv;
@@ -210,8 +210,8 @@ static int sps30_serial_command(struct sps30_state *state, unsigned char cmd,
return rsp_size;
}
-static ssize_t sps30_serial_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t size)
+static size_t sps30_serial_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t size)
{
struct iio_dev *indio_dev = dev_get_drvdata(&serdev->dev);
struct sps30_serial_priv *priv;
@@ -378,8 +378,8 @@ static void bno055_ser_handle_rx(struct bno055_ser_priv *priv, int status)
* Also, we assume to RX one pkt per time (i.e. the HW doesn't send anything
* unless we require to AND we don't queue more than one request per time).
*/
-static ssize_t bno055_ser_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t size)
+static size_t bno055_ser_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t size)
{
int status;
struct bno055_ser_priv *priv = serdev_device_get_drvdata(serdev);
@@ -471,8 +471,8 @@ static void rave_sp_receive_frame(struct rave_sp *sp,
rave_sp_receive_reply(sp, data, length);
}
-static ssize_t rave_sp_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t size)
+static size_t rave_sp_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t size)
{
struct device *dev = &serdev->dev;
struct rave_sp *sp = dev_get_drvdata(dev);
@@ -58,7 +58,7 @@ struct qcauart {
unsigned char *tx_buffer;
};
-static ssize_t
+static size_t
qca_tty_receive(struct serdev_device *serdev, const u8 *data, size_t count)
{
struct qcauart *qca = serdev_device_get_drvdata(serdev);
@@ -203,8 +203,8 @@ static int pn532_uart_rx_is_frame(struct sk_buff *skb)
return 0;
}
-static ssize_t pn532_receive_buf(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t pn532_receive_buf(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct pn532_uart_phy *dev = serdev_device_get_drvdata(serdev);
size_t i;
@@ -51,8 +51,8 @@ static const struct s3fwrn5_phy_ops uart_phy_ops = {
.write = s3fwrn82_uart_write,
};
-static ssize_t s3fwrn82_uart_read(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t s3fwrn82_uart_read(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct s3fwrn82_uart_phy *phy = serdev_device_get_drvdata(serdev);
size_t i;
@@ -81,8 +81,8 @@ struct cros_ec_uart {
struct response_info response;
};
-static ssize_t cros_ec_uart_rx_bytes(struct serdev_device *serdev,
- const u8 *data, size_t count)
+static size_t cros_ec_uart_rx_bytes(struct serdev_device *serdev,
+ const u8 *data, size_t count)
{
struct ec_host_response *host_response;
struct cros_ec_device *ec_dev = serdev_device_get_drvdata(serdev);
@@ -227,8 +227,8 @@ EXPORT_SYMBOL_GPL(ssam_client_bind);
/* -- Glue layer (serdev_device -> ssam_controller). ------------------------ */
-static ssize_t ssam_receive_buf(struct serdev_device *dev, const u8 *buf,
- size_t n)
+static size_t ssam_receive_buf(struct serdev_device *dev, const u8 *buf,
+ size_t n)
{
struct ssam_controller *ctrl;
int ret;
@@ -27,19 +27,17 @@ static size_t ttyport_receive_buf(struct tty_port *port, const u8 *cp,
{
struct serdev_controller *ctrl = port->client_data;
struct serport *serport = serdev_controller_get_drvdata(ctrl);
- int ret;
+ size_t ret;
if (!test_bit(SERPORT_ACTIVE, &serport->flags))
return 0;
ret = serdev_controller_receive_buf(ctrl, cp, count);
- dev_WARN_ONCE(&ctrl->dev, ret < 0 || ret > count,
- "receive_buf returns %d (count = %zu)\n",
+ dev_WARN_ONCE(&ctrl->dev, ret > count,
+ "receive_buf returns %zu (count = %zu)\n",
ret, count);
- if (ret < 0)
- return 0;
- else if (ret > count)
+ if (ret > count)
return count;
return ret;
@@ -60,8 +60,8 @@ void gnss_put_device(struct gnss_device *gdev);
int gnss_register_device(struct gnss_device *gdev);
void gnss_deregister_device(struct gnss_device *gdev);
-int gnss_insert_raw(struct gnss_device *gdev, const unsigned char *buf,
- size_t count);
+size_t gnss_insert_raw(struct gnss_device *gdev, const unsigned char *buf,
+ size_t count);
static inline void gnss_set_drvdata(struct gnss_device *gdev, void *data)
{
@@ -27,7 +27,7 @@ struct serdev_device;
* not sleep.
*/
struct serdev_device_ops {
- ssize_t (*receive_buf)(struct serdev_device *, const u8 *, size_t);
+ size_t (*receive_buf)(struct serdev_device *, const u8 *, size_t);
void (*write_wakeup)(struct serdev_device *);
};
@@ -185,9 +185,9 @@ static inline void serdev_controller_write_wakeup(struct serdev_controller *ctrl
serdev->ops->write_wakeup(serdev);
}
-static inline ssize_t serdev_controller_receive_buf(struct serdev_controller *ctrl,
- const u8 *data,
- size_t count)
+static inline size_t serdev_controller_receive_buf(struct serdev_controller *ctrl,
+ const u8 *data,
+ size_t count)
{
struct serdev_device *serdev = ctrl->serdev;
@@ -100,8 +100,8 @@ static void snd_serial_generic_write_wakeup(struct serdev_device *serdev)
snd_serial_generic_tx_wakeup(drvdata);
}
-static ssize_t snd_serial_generic_receive_buf(struct serdev_device *serdev,
- const u8 *buf, size_t count)
+static size_t snd_serial_generic_receive_buf(struct serdev_device *serdev,
+ const u8 *buf, size_t count)
{
int ret;
struct snd_serial_generic *drvdata = serdev_device_get_drvdata(serdev);