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serial: 8250_early: Remove early_device variable

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early_device was only required for serial8250_find_port_for_earlycon(),
which was replaced by extensible console matching.

Fixup early_serial8250_write() to get the earlycon_device * from
console->data (which is initialized by {of_}setup_earlycon()).

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley
2015-03-09 16:27:14 -04:00
committed by Greg Kroah-Hartman
parent 1cfe42b7fd
commit d0d654ce53
1 changed files with 2 additions and 4 deletions
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6
drivers/tty/serial/8250/8250_early.c
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@@ -36,8 +36,6 @@
#include <asm/io.h>
#include <asm/serial.h>
static struct earlycon_device *early_device;
unsigned int __weak __init serial8250_early_in(struct uart_port *port, int offset)
{
switch (port->iotype) {
@@ -90,7 +88,8 @@ static void __init serial_putc(struct uart_port *port, int c)
static void __init early_serial8250_write(struct console *console,
const char *s, unsigned int count)
{
struct uart_port *port = &early_device->port;
struct earlycon_device *device = console->data;
struct uart_port *port = &device->port;
unsigned int ier;
/* Save the IER and disable interrupts preserving the UUE bit */
@@ -157,7 +156,6 @@ static int __init early_serial8250_setup(struct earlycon_device *device,
init_port(device);
early_device = device;
device->con->write = early_serial8250_write;
return 0;
}