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| author | Jeffy Chen <jeffy.chen@rock-chips.com> | 2017-07-18 14:02:55 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-30 07:38:50 -0700 |
| commit | b38dd0e8edd0ccd28eaa67a76e7d10ec693ce3a3 (patch) | |
| tree | 5ad5f3f5b723f6b1dab22b0ec2493576a15ba8f7 /drivers/tty | |
| parent | ac1e6965597d26cc1d16559b01261cbe1279ed00 (diff) | |
| download | blackbird-op-linux-b38dd0e8edd0ccd28eaa67a76e7d10ec693ce3a3.tar.gz blackbird-op-linux-b38dd0e8edd0ccd28eaa67a76e7d10ec693ce3a3.zip | |
serial: omap: 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/omap-serial.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 1ea05ac57aa7..7754053deeda 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -1235,21 +1235,20 @@ out: #ifdef CONFIG_SERIAL_OMAP_CONSOLE #ifdef CONFIG_SERIAL_EARLYCON -static unsigned int __init omap_serial_early_in(struct uart_port *port, - int offset) +static unsigned int omap_serial_early_in(struct uart_port *port, int offset) { offset <<= port->regshift; return readw(port->membase + offset); } -static void __init omap_serial_early_out(struct uart_port *port, int offset, - int value) +static void omap_serial_early_out(struct uart_port *port, int offset, + int value) { offset <<= port->regshift; writew(value, port->membase + offset); } -static void __init omap_serial_early_putc(struct uart_port *port, int c) +static void omap_serial_early_putc(struct uart_port *port, int c) { unsigned int status; @@ -1262,8 +1261,8 @@ static void __init omap_serial_early_putc(struct uart_port *port, int c) omap_serial_early_out(port, UART_TX, c); } -static void __init early_omap_serial_write(struct console *console, - const char *s, unsigned int count) +static void early_omap_serial_write(struct console *console, const char *s, + unsigned int count) { struct earlycon_device *device = console->data; struct uart_port *port = &device->port; |
