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authorStephen Warren <swarren@nvidia.com>2012-03-19 17:31:58 +0100
committerStephen Warren <swarren@nvidia.com>2012-04-18 18:26:38 +0200
commitd941136fc6ead10a7ff319bad199869b593962c5 (patch)
treeabb5aa312d0329170c599f60869126e01d9308a4 /Documentation/HOWTO
parentARM: tegra: Remove VBUS_GPIO handling from board files (diff)
downloadlinux-d941136fc6ead10a7ff319bad199869b593962c5.tar.xz
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gpio: tegra: configure pins during irq_set_type
When a Tegra GPIO is used as an IRQ, it should be enabled as a GPIO (so the pinmux module isn't driving it as an output) and configured as a GPIO input (so the GPIO module isn't driving it as an output). Set this up automatically whenever an IRQ is requested, so that users of IRQs don't need to do this. Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Olof Johansson <olof@lixom.net>
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