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    SubjectRe: [RFC PATCH v2 05/16] mfd: Add ACPI support
    On Tue, 16 Sep 2014, Mika Westerberg wrote:
    > If an MFD device is backed by ACPI namespace, we should allow subdevice
    > drivers to access their corresponding ACPI companion devices through normal
    > means (e.g using ACPI_COMPANION()).
    >
    > This patch adds such support to the MFD core. If the MFD parent device
    > does not specify any ACPI _HID/_CID for the child device, the child
    > device will share the parent ACPI companion device. Otherwise the child
    > device will be assigned with the corresponding ACPI companion, if found
    > in the namespace below the parent.
    >
    > Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
    > Reviewed-by: Darren Hart <dvhart@linux.intel.com>
    > ---
    > Lee, I tried to get rid of #ifdefs in the below patch but it wasn't
    > possible because we are using functions that are not available when
    > !CONFIG_ACPI.
    >
    > Documentation/acpi/enumeration.txt | 27 +++++++++++++++++++++++++
    > drivers/mfd/mfd-core.c | 40 ++++++++++++++++++++++++++++++++++++++
    > include/linux/mfd/core.h | 3 +++
    > 3 files changed, 70 insertions(+)

    Applied, thanks.

    --
    Lee Jones
    Linaro STMicroelectronics Landing Team Lead
    Linaro.org │ Open source software for ARM SoCs
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