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    Subject[PATCH v10 03/11] remoteproc: Update Kconfig setup to 'depends on REMOTEPROC'
    Date
    Make REMOTEPROC core a selectable kconfig option, and update
    remoteproc client drivers to 'depends on' the core. This avoids
    some nasty Kconfig recursive dependency issues. Also when using
    menuconfig client drivers will be hidden until the core has been
    enabled.

    Documentation/kbuild/kconfig-language.txt:

    Note:
    select should be used with care. select will force
    a symbol to a value without visiting the dependencies.
    By abusing select you are able to select a symbol FOO even
    if FOO depends on BAR that is not set.
    In general use select only for non-visible symbols
    (no prompts anywhere) and for symbols with no dependencies.
    That will limit the usefulness but on the other hand avoid
    the illegal configurations all over.

    Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
    ---
    drivers/remoteproc/Kconfig | 20 ++++++++++++--------
    1 file changed, 12 insertions(+), 8 deletions(-)

    diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
    index 9270c8e..14d5d2d 100644
    --- a/drivers/remoteproc/Kconfig
    +++ b/drivers/remoteproc/Kconfig
    @@ -1,20 +1,21 @@
    menu "Remoteproc drivers"

    -# REMOTEPROC gets selected by whoever wants it
    config REMOTEPROC
    - tristate
    + tristate "Support for Remote Processor subsystem"
    depends on HAS_DMA
    select CRC32
    select FW_LOADER
    select VIRTIO
    select VIRTUALIZATION

    +if REMOTEPROC
    +
    config OMAP_REMOTEPROC
    tristate "OMAP remoteproc support"
    depends on HAS_DMA
    depends on ARCH_OMAP4 || SOC_OMAP5
    depends on OMAP_IOMMU
    - select REMOTEPROC
    + depends on REMOTEPROC
    select MAILBOX
    select OMAP2PLUS_MBOX
    select RPMSG_VIRTIO
    @@ -34,7 +35,7 @@ config OMAP_REMOTEPROC
    config STE_MODEM_RPROC
    tristate "STE-Modem remoteproc support"
    depends on HAS_DMA
    - select REMOTEPROC
    + depends on REMOTEPROC
    default n
    help
    Say y or m here to support STE-Modem shared memory driver.
    @@ -44,7 +45,7 @@ config STE_MODEM_RPROC
    config WKUP_M3_RPROC
    tristate "AMx3xx Wakeup M3 remoteproc support"
    depends on SOC_AM33XX || SOC_AM43XX
    - select REMOTEPROC
    + depends on REMOTEPROC
    help
    Say y here to support Wakeup M3 remote processor on TI AM33xx
    and AM43xx family of SoCs.
    @@ -57,6 +58,7 @@ config WKUP_M3_RPROC
    config DA8XX_REMOTEPROC
    tristate "DA8xx/OMAP-L13x remoteproc support"
    depends on ARCH_DAVINCI_DA8XX
    + depends on REMOTEPROC
    select CMA if MMU
    select RPMSG_VIRTIO
    help
    @@ -83,9 +85,9 @@ config QCOM_Q6V5_PIL
    tristate "Qualcomm Hexagon V5 Peripherial Image Loader"
    depends on OF && ARCH_QCOM
    depends on QCOM_SMEM
    + depends on REMOTEPROC
    select MFD_SYSCON
    select QCOM_MDT_LOADER
    - select REMOTEPROC
    help
    Say y here to support the Qualcomm Peripherial Image Loader for the
    Hexagon V5 based remote processors.
    @@ -109,7 +111,7 @@ config QCOM_WCNSS_PIL
    config ST_REMOTEPROC
    tristate "ST remoteproc support"
    depends on ARCH_STI
    - select REMOTEPROC
    + depends on REMOTEPROC
    help
    Say y here to support ST's adjunct processors via the remote
    processor framework.
    @@ -117,6 +119,8 @@ config ST_REMOTEPROC

    config ST_SLIM_REMOTEPROC
    tristate
    - select REMOTEPROC
    + depends on REMOTEPROC
    +
    +endif # REMOTEPROC

    endmenu
    --
    1.9.1
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