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    Subject[PATCH 03/15] serial: bfin_5xx: fix building as module when early printk is enabled
    Date
    From: Mike Frysinger <vapier@gentoo.org>

    Since early printk only makes sense/works when the serial driver is built
    into the kernel, disable the option for this driver when it is going to be
    built as a module. Otherwise we get build failures due to the ifdef
    handling.

    Signed-off-by: Mike Frysinger <vapier@gentoo.org>
    Signed-off-by: Alan Cox <alan@linux.intel.com>
    ---

    drivers/serial/bfin_5xx.c | 4 ++++
    1 files changed, 4 insertions(+), 0 deletions(-)


    diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
    index d7fcca1..b4a7650 100644
    --- a/drivers/serial/bfin_5xx.c
    +++ b/drivers/serial/bfin_5xx.c
    @@ -38,6 +38,10 @@
    #include <asm/cacheflush.h>
    #endif

    +#ifdef CONFIG_SERIAL_BFIN_MODULE
    +# undef CONFIG_EARLY_PRINTK
    +#endif
    +
    /* UART name and device definitions */
    #define BFIN_SERIAL_NAME "ttyBF"
    #define BFIN_SERIAL_MAJOR 204


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