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%3Ba=su...

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