• Mika Westerberg's avatar
    mfd: Add ACPI support · 6ab34301
    Mika Westerberg authored
    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: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
    Reviewed-by: default avatarDarren Hart <dvhart@linux.intel.com>
    Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
    6ab34301
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enumeration.txt Loading commit data...
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method-customizing.txt Loading commit data...
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