[PATCH v2 -next 04/14] of: earlycon: Fixup earlycon console name and index

From: Peter Hurley
Date: Fri Mar 06 2015 - 14:27:32 EST


Use the console name embedded in the OF earlycon table by the
OF_EARLYCON_DECLARE() macro to initialize the struct console::name
and ::index fields.

Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
drivers/of/fdt.c | 2 +-
drivers/tty/serial/earlycon.c | 5 +++--
include/linux/serial_core.h | 2 +-
3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 7cef9f9..777c894 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -800,7 +800,7 @@ static int __init early_init_dt_scan_chosen_serial(void)
if (!addr)
return -ENXIO;

- of_setup_earlycon(addr, match->data);
+ of_setup_earlycon(addr, match);
return 0;
}
return -ENODEV;
diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index 1ffdb61..bfe5e27 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -218,17 +218,18 @@ static int __init param_setup_earlycon(char *buf)
early_param("earlycon", param_setup_earlycon);

int __init of_setup_earlycon(unsigned long addr,
- int (*setup)(struct earlycon_device *, const char *))
+ const struct of_device_id *match)
{
int err;
struct uart_port *port = &early_console_dev.port;
+ int (*setup)(struct earlycon_device *, const char *) = match->data;

port->iotype = UPIO_MEM;
port->mapbase = addr;
port->uartclk = BASE_BAUD * 16;
port->membase = earlycon_map(addr, SZ_4K);

- early_console_dev.con->data = &early_console_dev;
+ earlycon_init(&early_console_dev, match->name);
err = setup(&early_console_dev, NULL);
if (err < 0)
return err;
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index c523785..a2db5bd 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -346,7 +346,7 @@ struct earlycon_id {

extern int setup_earlycon(char *buf);
extern int of_setup_earlycon(unsigned long addr,
- int (*setup)(struct earlycon_device *, const char *));
+ const struct of_device_id *match);

#define EARLYCON_DECLARE(_name, func) \
static const struct earlycon_id __earlycon_##_name \
--
2.3.1

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