diff options
| author | Jiri Slaby <jslaby@suse.cz> | 2022-02-24 12:10:24 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-02-25 10:38:21 +0100 |
| commit | 18662a1d8f35ef6b1758578ad884e37746c753c8 (patch) | |
| tree | 35a2db8de3e2324fb96f1924c07c198d5f31c015 /drivers/tty | |
| parent | 5318f70da7e82649d794fc27d8a127c22aa3566e (diff) | |
| download | linux-18662a1d8f35ef6b1758578ad884e37746c753c8.tar.gz | |
tty: serial: mpc52xx_uart: make rx/tx hooks return unsigned
All these return bitmasks, so it makes more sense to return unsigned --
this is what a reader and also all the callers expect.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20220224111028.20917-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/mpc52xx_uart.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/tty/serial/mpc52xx_uart.c b/drivers/tty/serial/mpc52xx_uart.c index 2704dc988e4a..8a6958377764 100644 --- a/drivers/tty/serial/mpc52xx_uart.c +++ b/drivers/tty/serial/mpc52xx_uart.c @@ -83,11 +83,11 @@ static irqreturn_t mpc5xxx_uart_process_int(struct uart_port *port); struct psc_ops { void (*fifo_init)(struct uart_port *port); - int (*raw_rx_rdy)(struct uart_port *port); - int (*raw_tx_rdy)(struct uart_port *port); - int (*rx_rdy)(struct uart_port *port); - int (*tx_rdy)(struct uart_port *port); - int (*tx_empty)(struct uart_port *port); + unsigned int (*raw_rx_rdy)(struct uart_port *port); + unsigned int (*raw_tx_rdy)(struct uart_port *port); + unsigned int (*rx_rdy)(struct uart_port *port); + unsigned int (*tx_rdy)(struct uart_port *port); + unsigned int (*tx_empty)(struct uart_port *port); void (*stop_rx)(struct uart_port *port); void (*start_tx)(struct uart_port *port); void (*stop_tx)(struct uart_port *port); @@ -203,34 +203,34 @@ static void mpc52xx_psc_fifo_init(struct uart_port *port) out_be16(&psc->mpc52xx_psc_imr, port->read_status_mask); } -static int mpc52xx_psc_raw_rx_rdy(struct uart_port *port) +static unsigned int mpc52xx_psc_raw_rx_rdy(struct uart_port *port) { return in_be16(&PSC(port)->mpc52xx_psc_status) & MPC52xx_PSC_SR_RXRDY; } -static int mpc52xx_psc_raw_tx_rdy(struct uart_port *port) +static unsigned int mpc52xx_psc_raw_tx_rdy(struct uart_port *port) { return in_be16(&PSC(port)->mpc52xx_psc_status) & MPC52xx_PSC_SR_TXRDY; } -static int mpc52xx_psc_rx_rdy(struct uart_port *port) +static unsigned int mpc52xx_psc_rx_rdy(struct uart_port *port) { return in_be16(&PSC(port)->mpc52xx_psc_isr) & port->read_status_mask & MPC52xx_PSC_IMR_RXRDY; } -static int mpc52xx_psc_tx_rdy(struct uart_port *port) +static unsigned int mpc52xx_psc_tx_rdy(struct uart_port *port) { return in_be16(&PSC(port)->mpc52xx_psc_isr) & port->read_status_mask & MPC52xx_PSC_IMR_TXRDY; } -static int mpc52xx_psc_tx_empty(struct uart_port *port) +static unsigned int mpc52xx_psc_tx_empty(struct uart_port *port) { u16 sts = in_be16(&PSC(port)->mpc52xx_psc_status); @@ -1365,7 +1365,7 @@ static const struct uart_ops mpc52xx_uart_ops = { /* Interrupt handling */ /* ======================================================================== */ -static inline int +static inline unsigned int mpc52xx_uart_int_rx_chars(struct uart_port *port) { struct tty_port *tport = &port->state->port; |