This is a note to let you know that I've just added the patch titled
serial: 8250_mid: fix broken DMA dependency
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:
serial-8250_mid-fix-broken-dma-dependency.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 0ff4230584320b2153752ba54e2e8edbd6addf2c Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Date: Thu, 10 Dec 2015 13:26:21 +0200
Subject: serial: 8250_mid: fix broken DMA dependency
From: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
commit 0ff4230584320b2153752ba54e2e8edbd6addf2c upstream.
In order to enable HSU DMA PCI driver, the HSU DMA Engine
must be enabled. This add a check for that.
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Signed-off-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/serial/8250/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/tty/serial/8250/Kconfig
+++ b/drivers/tty/serial/8250/Kconfig
@@ -372,7 +372,7 @@ config SERIAL_8250_MID
tristate "Support for serial ports on Intel MID platforms"
depends on SERIAL_8250 && PCI
select HSU_DMA if SERIAL_8250_DMA
- select HSU_DMA_PCI if X86_INTEL_MID
+ select HSU_DMA_PCI if (HSU_DMA && X86_INTEL_MID)
select RATIONAL
help
Selecting this option will enable handling of the extra features
Patches currently in stable-queue which might be from heikki.krogerus@xxxxxxxxxxxxxxx are
queue-4.4/serial-8250_mid-fix-broken-dma-dependency.patch