diff options
| author |   Jeffy Chen <jeffy.chen@rock-chips.com> | 2017-07-18 14:02:58 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-30 07:38:50 -0700 |
| commit | bdc4704b2da9a30162d5990c1dad605828fcecdd (patch) | |
| tree | 4a01124c6738bf6336311d4c4d4b956e6ae167b7 /drivers/tty | |
| parent | serial: 8250_ingenic: Remove __init marking from early write (diff) | |
| download | linux-dev-bdc4704b2da9a30162d5990c1dad605828fcecdd.tar.xz linux-dev-bdc4704b2da9a30162d5990c1dad605828fcecdd.zip | |
serial: 8250_early: Remove __init marking from early write
The earlycon would be alive outside the init code in these cases:
1/ we have keep_bootcon in cmdline.
2/ we don't have a real console to switch to.
So remove the __init marking to avoid invalid memory access.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/8250/8250_early.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c index 82fc48eca1df..af72ec32e404 100644 --- a/drivers/tty/serial/8250/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c @@ -37,7 +37,7 @@ #include <asm/io.h> #include <asm/serial.h> -static unsigned int __init serial8250_early_in(struct uart_port *port, int offset) +static unsigned int serial8250_early_in(struct uart_port *port, int offset) { int reg_offset = offset; offset <<= port->regshift; @@ -60,7 +60,7 @@ static unsigned int __init serial8250_early_in(struct uart_port *port, int offse } } -static void __init serial8250_early_out(struct uart_port *port, int offset, int value) +static void serial8250_early_out(struct uart_port *port, int offset, int value) { int reg_offset = offset; offset <<= port->regshift; @@ -89,7 +89,7 @@ static void __init serial8250_early_out(struct uart_port *port, int offset, int #define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE) -static void __init serial_putc(struct uart_port *port, int c) +static void serial_putc(struct uart_port *port, int c) { unsigned int status; @@ -103,7 +103,7 @@ static void __init serial_putc(struct uart_port *port, int c) } } -static void __init early_serial8250_write(struct console *console, +static void early_serial8250_write(struct console *console, const char *s, unsigned int count) { struct earlycon_device *device = console->data; |