This is a note to let you know that I've just added the patch titled
ARM: at91/DT: remove atmel,use-dma-* from 9x5 and 9n12 USART nodes
to the 3.8-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-at91-dt-remove-atmel-use-dma-from-9x5-and-9n12-usart-nodes.patch
and it can be found in the queue-3.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From c3f0f282d950a1e87496a2633ed9e924e275ff8c Mon Sep 17 00:00:00 2001
From: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Date: Wed, 30 Jan 2013 15:32:26 +0100
Subject: ARM: at91/DT: remove atmel,use-dma-* from 9x5 and 9n12 USART nodes
From: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
commit c3f0f282d950a1e87496a2633ed9e924e275ff8c upstream.
Fix the use of USART on both at91sam9x5 and at91sam9n12. In DTS, the
atmel,use-dma-[rx|tx] property is present but a DMA channel cannot be used.
Indeed the connexion between the DMA engine and the slave is not implemented
yet in Device Tree.
Note however that this property is also used for PDC (private DMA) on older
SoCs. This is why the driver alone cannot determine the validity of this
property.
Reported-by: Douglas Gilbert <dgilbert@xxxxxxxxxxxx>
Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/at91sam9n12.dtsi | 8 --------
arch/arm/boot/dts/at91sam9x5.dtsi | 6 ------
2 files changed, 14 deletions(-)
--- a/arch/arm/boot/dts/at91sam9n12.dtsi
+++ b/arch/arm/boot/dts/at91sam9n12.dtsi
@@ -324,8 +324,6 @@
compatible = "atmel,at91sam9260-usart";
reg = <0xf801c000 0x4000>;
interrupts = <5 4 5>;
- atmel,use-dma-rx;
- atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart0>;
status = "disabled";
@@ -335,8 +333,6 @@
compatible = "atmel,at91sam9260-usart";
reg = <0xf8020000 0x4000>;
interrupts = <6 4 5>;
- atmel,use-dma-rx;
- atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart1>;
status = "disabled";
@@ -346,8 +342,6 @@
compatible = "atmel,at91sam9260-usart";
reg = <0xf8024000 0x4000>;
interrupts = <7 4 5>;
- atmel,use-dma-rx;
- atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart2>;
status = "disabled";
@@ -357,8 +351,6 @@
compatible = "atmel,at91sam9260-usart";
reg = <0xf8028000 0x4000>;
interrupts = <8 4 5>;
- atmel,use-dma-rx;
- atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart3>;
status = "disabled";
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -402,8 +402,6 @@
compatible = "atmel,at91sam9260-usart";
reg = <0xf801c000 0x200>;
interrupts = <5 4 5>;
- atmel,use-dma-rx;
- atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart0>;
status = "disabled";
@@ -413,8 +411,6 @@
compatible = "atmel,at91sam9260-usart";
reg = <0xf8020000 0x200>;
interrupts = <6 4 5>;
- atmel,use-dma-rx;
- atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart1>;
status = "disabled";
@@ -424,8 +420,6 @@
compatible = "atmel,at91sam9260-usart";
reg = <0xf8024000 0x200>;
interrupts = <7 4 5>;
- atmel,use-dma-rx;
- atmel,use-dma-tx;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usart2>;
status = "disabled";
Patches currently in stable-queue which might be from nicolas.ferre@xxxxxxxxx are
queue-3.8/arm-at91-dt-remove-atmel-use-dma-from-9x5-and-9n12-usart-nodes.patch
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