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 3.18-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
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-3.18 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From b084116f8587b222a2c5ef6dcd846f40f24b9420 Mon Sep 17 00:00:00 2001
From: Oswald Buddenhagen oswald.buddenhagen@gmx.de 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@gmx.de
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@gmx.de [jonas.gorski: add Fixes tag] Signed-off-by: Jonas Gorski jonas.gorski@gmail.com Reviewed-by: Florian Fainelli f.fainelli@gmail.com Cc: Ralf Baechle ralf@linux-mips.org Cc: Greg Kroah-Hartman gregkh@linuxfoundation.org Cc: Yoshihiro YUNOMAE yoshihiro.yunomae.ez@hitachi.com Cc: Nicolas Schichan nschichan@freebox.fr Cc: Oswald Buddenhagen oswald.buddenhagen@gmx.de Cc: linux-mips@linux-mips.org Cc: linux-serial@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/17543/ Signed-off-by: James Hogan jhogan@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/mips/ar7/platform.c | 1 + 1 file changed, 1 insertion(+)
--- a/arch/mips/ar7/platform.c +++ b/arch/mips/ar7/platform.c @@ -581,6 +581,7 @@ 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@gmx.de are
queue-3.18/mips-ar7-ensure-that-serial-ports-are-properly-set-up.patch