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    Subject[RESEND PATCH v5 5/5] arm: Fix DEBUG_LL for multi-platform kernels (without PL01X)
    Date
    When building a multi_v7_defconfig kernel it is not possible to configure
    DEBUG_LL to use any serial device except a ARM Primecell PL01X, or more
    accurately and worse, it is possible to configure a different serial
    device but KConfig does not honour this request. In fact this also
    overrides the user selection for some of the single platform kernels, for
    example I don't think DEBUG_LL can be targetted at ICE or semihosted
    supervisor for ARCH_VERSATILE.

    This happens because DEBUG_UART_PL01X is automatically enabled by
    some architectures and this means user decisions made regarding
    the DEBUG_LL backend will be overriden. Problem is fixed by removing the
    automatic enabling of this option.

    Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
    ---
    arch/arm/Kconfig.debug | 7 +------
    1 file changed, 1 insertion(+), 6 deletions(-)

    diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
    index 2612dd0..ca9a01c 100644
    --- a/arch/arm/Kconfig.debug
    +++ b/arch/arm/Kconfig.debug
    @@ -996,12 +996,7 @@ config DEBUG_LL_INCLUDE

    # Compatibility options for PL01x
    config DEBUG_UART_PL01X
    - def_bool ARCH_EP93XX || \
    - ARCH_INTEGRATOR || \
    - ARCH_SPEAR3XX || \
    - ARCH_SPEAR6XX || \
    - ARCH_SPEAR13XX || \
    - ARCH_VERSATILE
    + bool

    # Compatibility options for 8250
    config DEBUG_UART_8250
    --
    1.9.0


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