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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-07-17 18:54:27 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-07-22 13:03:50 +0200
commitb6992fa9a74862c5addb62cde1657c7479615d86 (patch)
treef5b64f156217eeb9d4eeb554863bd03afd88bdb6 /arch
parentLinux 3.11-rc2 (diff)
downloadlinux-b6992fa9a74862c5addb62cde1657c7479615d86.tar.xz
linux-b6992fa9a74862c5addb62cde1657c7479615d86.zip
ARM: document DEBUG_UNCOMPRESS Kconfig option
This non-user visible option lacked any kind of documentation. This is quite common for non-user visible options; certian people can't understand the point of documenting such options with help text. However, here we have a case in point: developers don't understand the option either, as they were thinking that when the option is not set, the decompressor should produce no output what so ever. This is incorrect, as the purpose of this option is to control whether a multiplatform kernel uses the kernel debugging macros to produce output or not. So let's document this via help rather than commentry to prevent others falling into this misunderstanding. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig.debug14
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index e401a766c0bd..583f4a00ec32 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -804,9 +804,19 @@ config DEBUG_LL_INCLUDE
config DEBUG_UNCOMPRESS
bool
- default y if ARCH_MULTIPLATFORM && DEBUG_LL && \
- !DEBUG_OMAP2PLUS_UART && \
+ depends on ARCH_MULTIPLATFORM
+ default y if DEBUG_LL && !DEBUG_OMAP2PLUS_UART && \
!DEBUG_TEGRA_UART
+ help
+ This option influences the normal decompressor output for
+ multiplatform kernels. Normally, multiplatform kernels disable
+ decompressor output because it is not possible to know where to
+ send the decompressor output.
+
+ When this option is set, the selected DEBUG_LL output method
+ will be re-used for normal decompressor output on multiplatform
+ kernels.
+
config UNCOMPRESS_INCLUDE
string