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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2014-05-13 17:07:05 +0200
committerRalf Baechle <ralf@linux-mips.org>2014-05-28 10:49:24 +0200
commit4fd4db4f6e05d66f1f437d9d24566ff6af44650f (patch)
tree4e82db41788e217413115fe1d0ec33e586ec4770 /arch/mips/loongson
parent1461df59f0de0ecdebf9db090164d793e5b94442 (diff)
downloadlinux-4fd4db4f6e05d66f1f437d9d24566ff6af44650f.tar.gz
MIPS: Lemote 2F: cs5536: mfgpt: depend on !highres
This timer does not support oneshot mode and as such the system remains in periodic mode and won't support high res timers. This patch adds a note about this in Kconfig and lets it depend on !highres so users which want to use high timers don' stuck with this timer. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: linux-mips@linux-mips.org Cc: Hua Yan <yanh@lemote.com> Cc: Huacai Chen <chenhc@lemote.com> Cc: Alex Smith <alex.smith@imgtec.com> Cc: Hongliang Tao <taohl@lemote.com> Cc: Wu Zhangjin <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/6935/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/loongson')
-rw-r--r--arch/mips/loongson/Kconfig5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/mips/loongson/Kconfig b/arch/mips/loongson/Kconfig
index 603d79a95f4..e6a86ccc442 100644
--- a/arch/mips/loongson/Kconfig
+++ b/arch/mips/loongson/Kconfig
@@ -95,10 +95,11 @@ config CS5536
config CS5536_MFGPT
bool "CS5536 MFGPT Timer"
- depends on CS5536
+ depends on CS5536 && !HIGH_RES_TIMERS
select MIPS_EXTERNAL_TIMER
help
- This option enables the mfgpt0 timer of AMD CS5536.
+ This option enables the mfgpt0 timer of AMD CS5536. With this timer
+ switched on you can not use high resolution timers.
If you want to enable the Loongson2 CPUFreq Driver, Please enable
this option at first, otherwise, You will get wrong system time.