diff options
| -rwxr-xr-x | arch/arm/mach-omap2/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/dpll44xx.c | 8 |
2 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig index ebe9257..145d915 100755 --- a/arch/arm/mach-omap2/Kconfig +++ b/arch/arm/mach-omap2/Kconfig @@ -391,6 +391,16 @@ config OMAP4_DPLL_CASCADING - Display is Off. - No USB. +config OMAP4_ONLY_OMAP4430_DPLL_CASCADING + bool "Enable DPLL Cascading for OMAP4430 only" + depends on OMAP4_DPLL_CASCADING + default y + help + Enables DPLL Cascading only for OMAP4430. + Current DPLL cascading implementation is going to be used + only on OMAP4430, where it provides significant power savings. + Keeps DPLL cascading disabled for other OMAPs. + config OMAP_RAM_CONSOLE bool "Enable OMAP support for Android RAM console" diff --git a/arch/arm/mach-omap2/dpll44xx.c b/arch/arm/mach-omap2/dpll44xx.c index 061276a..36ccfec 100644 --- a/arch/arm/mach-omap2/dpll44xx.c +++ b/arch/arm/mach-omap2/dpll44xx.c @@ -1489,6 +1489,10 @@ int omap4_dpll_cascading_blocker_hold(struct device *dev) int list_was_empty = 0; int ret = 0; +#ifdef CONFIG_OMAP4_ONLY_OMAP4430_DPLL_CASCADING + if (!cpu_is_omap443x()) + return ret; +#endif if (!dev) return -EINVAL; @@ -1543,6 +1547,10 @@ int omap4_dpll_cascading_blocker_release(struct device *dev) int ret = 0; int found = 0; +#ifdef CONFIG_OMAP4_ONLY_OMAP4430_DPLL_CASCADING + if (!cpu_is_omap443x()) + return ret; +#endif if (!dev) return -EINVAL; |