This is a note to let you know that I've just added the patch titled
ARM: at91: fix at91sam9263ek DT mmc pinmuxing settings
to the 3.17-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-fix-at91sam9263ek-dt-mmc-pinmuxing-settings.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From b65e0fb3d046cc65d0a3c45d43de351fb363271b Mon Sep 17 00:00:00 2001
From: Andreas Henriksson <[email protected]>
Date: Tue, 23 Sep 2014 17:12:52 +0200
Subject: ARM: at91: fix at91sam9263ek DT mmc pinmuxing settings
From: Andreas Henriksson <[email protected]>
commit b65e0fb3d046cc65d0a3c45d43de351fb363271b upstream.
As discovered on a custom board similar to at91sam9263ek and basing
its devicetree on that one apparently the pin muxing doesn't get
set up properly. This was discovered since the custom boards u-boot
does funky stuff with the pin muxing and leaved it set to SPI
which made the MMC driver not work under Linux.
The fix is simply to define the given configuration as the default.
This probably worked by pure luck before, but it's better to
make the muxing explicitly set.
Signed-off-by: Andreas Henriksson <[email protected]>
Acked-by: Boris Brezillon <[email protected]>
Signed-off-by: Nicolas Ferre <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/arm/boot/dts/at91sam9263.dtsi | 2 ++
1 file changed, 2 insertions(+)
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -834,6 +834,7 @@
compatible = "atmel,hsmci";
reg = <0xfff80000 0x600>;
interrupts = <10 IRQ_TYPE_LEVEL_HIGH 0>;
+ pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
clocks = <&mci0_clk>;
@@ -845,6 +846,7 @@
compatible = "atmel,hsmci";
reg = <0xfff84000 0x600>;
interrupts = <11 IRQ_TYPE_LEVEL_HIGH 0>;
+ pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
clocks = <&mci1_clk>;
Patches currently in stable-queue which might be from
[email protected] are
queue-3.17/arm-at91-fix-at91sam9263ek-dt-mmc-pinmuxing-settings.patch
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