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] = { | |||
424 | }; | 424 | }; |
425 | 425 | ||
426 | #ifdef CONFIG_SERIAL_CLPS711X_CONSOLE | 426 | #ifdef CONFIG_SERIAL_CLPS711X_CONSOLE |
427 | static void clps711xuart_console_putchar(struct uart_port *port, int ch) | ||
428 | { | ||
429 | while (clps_readl(SYSFLG(port)) & SYSFLG_UTXFF) | ||
430 | barrier(); | ||
431 | clps_writel(ch, UARTDR(port)); | ||
432 | } | ||
433 | |||
427 | /* | 434 | /* |
428 | * Print a string to the serial port trying not to disturb | 435 | * Print a string to the serial port trying not to disturb |
429 | * any possible real use of the port... | 436 | * any possible real use of the port... |
@@ -438,7 +445,6 @@ clps711xuart_console_write(struct console *co, const char *s, | |||
438 | { | 445 | { |
439 | struct uart_port *port = clps711x_ports + co->index; | 446 | struct uart_port *port = clps711x_ports + co->index; |
440 | unsigned int status, syscon; | 447 | unsigned int status, syscon; |
441 | int i; | ||
442 | 448 | ||
443 | /* | 449 | /* |
444 | * Ensure that the port is enabled. | 450 | * Ensure that the port is enabled. |
@@ -446,21 +452,7 @@ clps711xuart_console_write(struct console *co, const char *s, | |||
446 | syscon = clps_readl(SYSCON(port)); | 452 | syscon = clps_readl(SYSCON(port)); |
447 | clps_writel(syscon | SYSCON_UARTEN, SYSCON(port)); | 453 | clps_writel(syscon | SYSCON_UARTEN, SYSCON(port)); |
448 | 454 | ||
449 | /* | 455 | uart_console_write(port, s, count, clps711xuart_console_putchar); |
450 | * Now, do each character | ||
451 | */ | ||
452 | for (i = 0; i < count; i++) { | ||
453 | do { | ||
454 | status = clps_readl(SYSFLG(port)); | ||
455 | } while (status & SYSFLG_UTXFF); | ||
456 | clps_writel(s[i], UARTDR(port)); | ||
457 | if (s[i] == '\n') { | ||
458 | do { | ||
459 | status = clps_readl(SYSFLG(port)); | ||
460 | } while (status & SYSFLG_UTXFF); | ||
461 | clps_writel('\r', UARTDR(port)); | ||
462 | } | ||
463 | } | ||
464 | 456 | ||
465 | /* | 457 | /* |
466 | * Finally, wait for transmitter to become empty | 458 | * Finally, wait for transmitter to become empty |