Skip to contentSkip to conversation

Patch "ARM: dts: at91: Enable DMA on sama5d4_xplained console" has been added to the 4.9-stable tree

PATCH [email protected] 1 participant 1 message Mar 8, 2017

Subsystems (3)
lore
Share & tools
lore

[email protected]

author maintainer Applied
#0 lore 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 4.9-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-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From ef8d02d4a2c36f7a93e74c95a9c419353b310117 Mon Sep 17 00:00:00 2001

From: Alexandre Belloni <[email protected]>
Date: Thu, 19 Jan 2017 01:46:58 +0100
Subject: ARM: dts: at91: Enable DMA on sama5d4_xplained console

From: Alexandre Belloni <[email protected]>

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.

---
 arch/arm/boot/dts/at91-sama5d4_xplained.dts |    2 ++
 1 file changed, 2 insertions(+)
arch/arm/boot/dts/at91-sama5d4_xplained.dts +2 -0
@@ -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 [email protected] are

queue-4.9/arm-dts-at91-enable-dma-on-sama5d4_xplained-console.patch queue-4.9/arm-at91-define-lpddr-types.patch queue-4.9/arm-dts-at91-enable-dma-on-sama5d2_xplained-console.patch