Patch "serial: 8250_mid: fix broken DMA dependency" has been added to the 4.4-stable tree

Patch "serial: 8250_mid: fix broken DMA dependency" has been added to the 4.4-stable tree

[gregkh]

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@vger.kernel.org> know about it.


>From 0ff4230584320b2153752ba54e2e8edbd6addf2c Mon Sep 17 00:00:00 2001
From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Thu, 10 Dec 2015 13:26:21 +0200
Subject: serial: 8250_mid: fix broken DMA dependency

From: Heikki Krogerus <heikki.krogerus@linux.intel.com>

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@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 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@linux.intel.com are

queue-4.4/serial-8250_mid-fix-broken-dma-dependency.patch