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serial: xuartps: 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>
This commit is contained in:
Jeffy Chen 2017-07-18 14:02:56 +08:00 committed by Greg Kroah-Hartman
parent b38dd0e8ed
commit 99d2731678
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/xilinx_uartps.c
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@ -1163,7 +1163,7 @@ static void cdns_uart_console_putchar(struct uart_port *port, int ch)
writel(ch, port->membase + CDNS_UART_FIFO);
}
static void __init cdns_early_write(struct console *con, const char *s,
static void cdns_early_write(struct console *con, const char *s,
unsigned n)
{
struct earlycon_device *dev = con->data;