diff options
Diffstat (limited to 'drivers/serial/clps711x.c')
| -rw-r--r-- | drivers/serial/clps711x.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/serial/clps711x.c b/drivers/serial/clps711x.c index ce7b2e4ecd17..2691112c84ad 100644 --- a/drivers/serial/clps711x.c +++ b/drivers/serial/clps711x.c @@ -424,6 +424,13 @@ static struct uart_port clps711x_ports[UART_NR] = { }; #ifdef CONFIG_SERIAL_CLPS711X_CONSOLE +static void clps711xuart_console_putchar(struct uart_port *port, int ch) +{ + while (clps_readl(SYSFLG(port)) & SYSFLG_UTXFF) + barrier(); + clps_writel(ch, UARTDR(port)); +} + /* * Print a string to the serial port trying not to disturb * any possible real use of the port... @@ -438,7 +445,6 @@ clps711xuart_console_write(struct console *co, const char *s, { struct uart_port *port = clps711x_ports + co->index; unsigned int status, syscon; - int i; /* * Ensure that the port is enabled. @@ -446,21 +452,7 @@ clps711xuart_console_write(struct console *co, const char *s, syscon = clps_readl(SYSCON(port)); clps_writel(syscon | SYSCON_UARTEN, SYSCON(port)); - /* - * Now, do each character - */ - for (i = 0; i < count; i++) { - do { - status = clps_readl(SYSFLG(port)); - } while (status & SYSFLG_UTXFF); - clps_writel(s[i], UARTDR(port)); - if (s[i] == '\n') { - do { - status = clps_readl(SYSFLG(port)); - } while (status & SYSFLG_UTXFF); - clps_writel('\r', UARTDR(port)); - } - } + uart_console_write(port, s, count, clps711xuart_console_putchar); /* * Finally, wait for transmitter to become empty |