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    Subject[PATCH 22/36] serial: fix pch_uart kconfig & build
    From: Randy Dunlap <>

    The dma_request_channel/dma_release_channel interfaces are not
    built when DMADEVICES is not enabled, so make the driver depend on
    DMADEVICES. Also, the help text says that the driver enables & uses
    PCH_DMA, which is not enabled, so select that.

    ERROR: "__dma_request_channel" [drivers/serial/pch_uart.ko] undefined!
    ERROR: "dma_release_channel" [drivers/serial/pch_uart.ko] undefined!

    Signed-off-by: Randy Dunlap <>
    Cc: Tomoya MORINAGA <>
    Reported-by: Zimny Lech <>
    Signed-off-by: Greg Kroah-Hartman <>
    drivers/serial/Kconfig | 3 ++-
    1 files changed, 2 insertions(+), 1 deletions(-)

    diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
    index fa02904..ec3c214 100644
    --- a/drivers/serial/Kconfig
    +++ b/drivers/serial/Kconfig
    @@ -1650,8 +1650,9 @@ config SERIAL_IFX6X60

    config SERIAL_PCH_UART
    tristate "Intel EG20T PCH UART"
    + depends on PCI && DMADEVICES
    select SERIAL_CORE
    - depends on PCI
    + select PCH_DMA
    This driver is for PCH(Platform controller Hub) UART of Intel EG20T
    which is an IOH(Input/Output Hub) for x86 embedded processor.

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      Last update: 2011-01-06 23:27    [W:0.018 / U:8.720 seconds]
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