This is a note to let you know that I've just added the patch titled
ARM: dts: at91: sam9x5: Fix the memory range assigned to the PMC
to the 4.4-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-sam9x5-fix-the-memory-range-assigned-to-the-pmc.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@xxxxxxxxxxxxxxx> know about it.
>From aab0a4c83ceb344d2327194bf354820e50607af6 Mon Sep 17 00:00:00 2001
From: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
Date: Wed, 11 May 2016 11:00:02 +0200
Subject: ARM: dts: at91: sam9x5: Fix the memory range assigned to the PMC
From: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
commit aab0a4c83ceb344d2327194bf354820e50607af6 upstream.
The memory range assigned to the PMC (Power Management Controller) was
not including the PMC_PCR register which are used to control peripheral
clocks.
This was working fine thanks to the page granularity of ioremap(), but
started to fail when we switched to syscon/regmap, because regmap is
making sure that all accesses are falling into the reserved range.
Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
Reported-by: Richard Genoud <richard.genoud@xxxxxxxxx>
Tested-by: Richard Genoud <richard.genoud@xxxxxxxxx>
Fixes: 863a81c3be1d ("clk: at91: make use of syscon to share PMC registers in several drivers")
Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/at91sam9x5.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -106,7 +106,7 @@
pmc: pmc@fffffc00 {
compatible = "atmel,at91sam9x5-pmc", "syscon";
- reg = <0xfffffc00 0x100>;
+ reg = <0xfffffc00 0x200>;
interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
interrupt-controller;
#address-cells = <1>;
Patches currently in stable-queue which might be from boris.brezillon@xxxxxxxxxxxxxxxxxx are
queue-4.4/arm-dts-at91-sam9x5-fix-the-memory-range-assigned-to-the-pmc.patch
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