This is a note to let you know that I've just added the patch titled
MIPS: AR7: Ensure that serial ports are properly set up
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mips-ar7-ensure-that-serial-ports-are-properly-set-up.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b084116f8587b222a2c5ef6dcd846f40f24b9420 Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen <oswald.buddenhagen@xxxxxx>
Date: Sun, 29 Oct 2017 16:27:20 +0100
Subject: MIPS: AR7: Ensure that serial ports are properly set up
From: Oswald Buddenhagen <oswald.buddenhagen@xxxxxx>
commit b084116f8587b222a2c5ef6dcd846f40f24b9420 upstream.
Without UPF_FIXED_TYPE, the data from the PORT_AR7 uart_config entry is
never copied, resulting in a dead port.
Fixes: 154615d55459 ("MIPS: AR7: Use correct UART port type")
Signed-off-by: Oswald Buddenhagen <oswald.buddenhagen@xxxxxx>
[jonas.gorski: add Fixes tag]
Signed-off-by: Jonas Gorski <jonas.gorski@xxxxxxxxx>
Reviewed-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@xxxxxxxxxxx>
Cc: Nicolas Schichan <nschichan@xxxxxxxxxx>
Cc: Oswald Buddenhagen <oswald.buddenhagen@xxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: linux-serial@xxxxxxxxxxxxxxx
Patchwork: https://patchwork.linux-mips.org/patch/17543/
Signed-off-by: James Hogan <jhogan@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/mips/ar7/platform.c | 1 +
1 file changed, 1 insertion(+)
--- a/arch/mips/ar7/platform.c
+++ b/arch/mips/ar7/platform.c
@@ -576,6 +576,7 @@ static int __init ar7_register_uarts(voi
uart_port.type = PORT_AR7;
uart_port.uartclk = clk_get_rate(bus_clk) / 2;
uart_port.iotype = UPIO_MEM32;
+ uart_port.flags = UPF_FIXED_TYPE;
uart_port.regshift = 2;
uart_port.line = 0;
Patches currently in stable-queue which might be from oswald.buddenhagen@xxxxxx are
queue-4.4/mips-ar7-ensure-that-serial-ports-are-properly-set-up.patch