On Mon, 10 Jul 2017 19:03:44 PDT (-0700), rdun...@infradead.org wrote:
> On 07/10/2017 07:02 PM, Stephen Rothwell wrote:
>> Hi Palmer,
>>
>> On Mon, 10 Jul 2017 18:39:08 -0700 Palmer Dabbelt <pal...@dabbelt.com> wrote:
>>>
>>> This patch adds a new copy of these library routine files, which are
>>> functionally identical to the various other copies.  These are
>>> availiable via Kconfig as CONFIG_LIB_$ROUTINE, which currently isn't
>>
>> Umm, the patch actually uses CONFIG_GENERIC_$ROUTINE.
>>
>>> +config GENERIC_ASHLDI3
>>> +   def_bool n
>>
>> Just
>>      bool
>> is the same.
>>
>
> and several "default n" lines can (should) be removed from Kconfig.

I'm not much of a Kconfig hacker...  How does this look?

commit 4aaad1e6e8a70020dd95b8a13a4075af97cb858f
Author: Palmer Dabbelt <pal...@dabbelt.com>
Date:   Mon Jul 10 19:07:43 2017 -0700

    lib: Remove "default n" lines from Kconfig

    These lines aren't necessary, as the default is "n" anyway.

    Signed-off-by: Palmer Dabbelt <pal...@dabbelt.com>

diff --git a/lib/Kconfig b/lib/Kconfig
index ee7d8bf0b7e1..78dec2408481 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -15,7 +15,6 @@ config BITREVERSE

 config HAVE_ARCH_BITREVERSE
        bool
-       default n
        depends on BITREVERSE
        help
          This option enables the use of hardware bit-reversal instructions on
@@ -48,7 +47,6 @@ config GENERIC_IOMAP

 config GENERIC_IO
        bool
-       default n

 config STMP_DEVICE
        bool
@@ -199,7 +197,6 @@ config AUDIT_GENERIC

 config AUDIT_ARCH_COMPAT_GENERIC
        bool
-       default n

 config AUDIT_COMPAT_GENERIC
        bool
@@ -208,7 +205,6 @@ config AUDIT_COMPAT_GENERIC

 config RANDOM32_SELFTEST
        bool "PRNG perform self test on init"
-       default n
        help
          This option enables the 32 bit PRNG library functions to perform a
          self test on initialization.
@@ -405,12 +401,10 @@ config HAS_DMA
 config DMA_NOOP_OPS
        bool
        depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
-       default n

 config DMA_VIRT_OPS
        bool
        depends on HAS_DMA && (!64BIT || ARCH_DMA_ADDR_T_64BIT)
-       default n

 config CHECK_SIGNATURE
        bool

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