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SubjectRe: [PATCH] MIPS: Fix CPS SMP NS16550 UART defaults
On 11/20/2017 04:02 PM, James Hogan wrote:
> From: James Hogan <>
> The MIPS_CPS_NS16550_BASE and MIPS_CPS_NS16550_SHIFT options have no
> defaults for non-Malta platforms which select SYS_SUPPORTS_MIPS_CPS
> (i.e. the pistachio and generic platforms). This is problematic for
> automated allyesconfig and allmodconfig builds based on these platforms,
> since make silentoldconfig tries to ask the user for values, and
> especially since v4.15 where the default platform was switched to
> generic.
> Default these options to 0 and arrange for MIPS_CPS_NS16550 to be no
> when using that default base address, so that the option only has an
> effect when the default is provided (i.e. Malta) or when a value is
> provided by the user.
> Fixes: 609cf6f2291a ("MIPS: CPS: Early debug using an ns16550-compatible UART")
> Signed-off-by: James Hogan <>
> Reviewed-by: Paul Burton <>
> Cc: Ralf Baechle <>
> Cc: Guenter Roeck <>
> Cc:
> ---
> Guenter: I'm guessing this is the problem you're referring to.


Tested-by: Guenter Roeck <>

mips:allmodconfig still fails to build with this patch applied, but elsewhere.

In file included from /opt/buildbot/slave/hwmon-testing/build/include/linux/bcma/bcma.h:10:0,
from /opt/buildbot/slave/hwmon-testing/build/drivers/bcma/bcma_private.h:9,
from /opt/buildbot/slave/hwmon-testing/build/drivers/bcma/main.c:8:
/opt/buildbot/slave/hwmon-testing/build/include/linux/bcma/bcma_driver_pci.h:218:24: error: field 'pci_controller' has incomplete type


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