diff options
| author | Andrew Lunn <andrew@lunn.ch> | 2013-02-03 14:34:26 +0400 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2013-03-09 01:34:34 +0400 |
| commit | de88747f514a4e0cca416a8871de2302f4f77790 (patch) | |
| tree | a0a44be0a4ca5f16784bed1ee835b9ec85ddda5a /arch | |
| parent | 7bf5b408b419fc849578e6e9fbd221bf43638eb6 (diff) | |
| download | linux-de88747f514a4e0cca416a8871de2302f4f77790.tar.xz | |
gpio: mvebu: Add clk support to prevent lockup
The kirkwood SoC GPIO cores use the runit clock. Add code to
clk_prepare_enable() runit, otherwise there is a danger of locking up
the SoC by accessing the GPIO registers when runit clock is not
ticking.
Reported-by: Simon Baatz <gmbnomis@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Simon Baatz <gmbnomis@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/kirkwood.dtsi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index 19709fbe12cf..cf8e8926a034 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -38,6 +38,7 @@ interrupt-controller; #interrupt-cells = <2>; interrupts = <35>, <36>, <37>, <38>; + clocks = <&gate_clk 7>; }; gpio1: gpio@10140 { @@ -49,6 +50,7 @@ interrupt-controller; #interrupt-cells = <2>; interrupts = <39>, <40>, <41>; + clocks = <&gate_clk 7>; }; serial@12000 { |