________________________________________
From: Alan Cox [alan@xxxxxxxxxxxxxxxxxxx]
Sent: Sunday, October 14, 2012 2:32 PM
>For 8250_early it may well be the right thing is to support similar
serial_in/serial_out methods.
Hello Alan,
Here is my patch:
>From e819fbbf9690b72620c54a62fa34545c7b035f91 Mon Sep 17 00:00:00 2001
From: Noam Camus <noamc@xxxxxxxxxx>
Date: Wed, 3 Oct 2012 09:40:36 +0200
Subject: [PATCH] tty/8250_early: Make serial_in/serial_out be over-ridden
Now one can replace default methods with similar fit to its needs.
e.g. choose other regshift, register offset...
Signed-off-by: Noam Camus <noamc@xxxxxxxxxx>
CC: Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/8250_early.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c
index eaafb98..ac31b0c 100644
--- a/drivers/tty/serial/8250/8250_early.c
+++ b/drivers/tty/serial/8250/8250_early.c
@@ -48,7 +48,7 @@ struct early_serial8250_device {
static struct early_serial8250_device early_device;
-static unsigned int __init serial_in(struct uart_port *port, int offset)
+unsigned int __weak __init serial_in(struct uart_port *port, int offset)
{
switch (port->iotype) {
case UPIO_MEM:
@@ -62,7 +62,7 @@ static unsigned int __init serial_in(struct uart_port *port, int offset)
}
}
-static void __init serial_out(struct uart_port *port, int offset, int value)
+void __weak __init serial_out(struct uart_port *port, int offset, int value)
{
switch (port->iotype) {
case UPIO_MEM:
--
1.7.1
Noam--
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