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From: <gregkh@linuxfoundation.org>
To: alexandre.belloni@free-electrons.com, gregkh@linuxfoundation.org,
	nicolas.ferre@atmel.com
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "ARM: dts: at91: Enable DMA on sama5d4_xplained console" has been added to the 4.10-stable tree
Date: Wed, 08 Mar 2017 11:26:15 +0100	[thread overview]
Message-ID: <1488968775178155@kroah.com> (raw)


This is a note to let you know that I've just added the patch titled

    ARM: dts: at91: Enable DMA on sama5d4_xplained console

to the 4.10-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:
     arm-dts-at91-enable-dma-on-sama5d4_xplained-console.patch
and it can be found in the queue-4.10 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 ef8d02d4a2c36f7a93e74c95a9c419353b310117 Mon Sep 17 00:00:00 2001
From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Date: Thu, 19 Jan 2017 01:46:58 +0100
Subject: ARM: dts: at91: Enable DMA on sama5d4_xplained console

From: Alexandre Belloni <alexandre.belloni@free-electrons.com>

commit ef8d02d4a2c36f7a93e74c95a9c419353b310117 upstream.

Enable DMA on usart3 to get a more reliable console. This is especially
useful for automation and kernelci were a kernel with PROVE_LOCKING enabled
is quite susceptible to character loss, resulting in tests failure.

Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/arm/boot/dts/at91-sama5d4_xplained.dts |    2 ++
 1 file changed, 2 insertions(+)

--- a/arch/arm/boot/dts/at91-sama5d4_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d4_xplained.dts
@@ -110,6 +110,8 @@
 			};
 
 			usart3: serial@fc00c000 {
+				atmel,use-dma-rx;
+				atmel,use-dma-tx;
 				status = "okay";
 			};
 


Patches currently in stable-queue which might be from alexandre.belloni@free-electrons.com are

queue-4.10/arm-dts-at91-enable-dma-on-sama5d4_xplained-console.patch
queue-4.10/arm-at91-define-lpddr-types.patch
queue-4.10/arm-dts-at91-enable-dma-on-sama5d2_xplained-console.patch

                 reply	other threads:[~2017-03-08 10:27 UTC|newest]

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