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* i7300_idle: Kconfig, show menu only on x86_64Venki Pallipadi2008-10-28
| | | | | | | | ...since today it contains only a single driver which is visible to just x86_64 Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* i7300_idle: Cleanup based review commentsVenki Pallipadi2008-10-24
| | | | | | | | Cleanup of i7300 idle driver based on review comments from Randy Dunlap, Andi Kleen and Len Brown. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* i7300_idle: Disable ioat channel only on platforms where ile driver can loadVenki Pallipadi2008-10-24
| | | | | | | | | Based on input from Andi Kleen: share the platform detection code with ioat_dma and disable the channel in dma engine only for specific platforms. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* i7300_idle driver v1.55Andy Henroid2008-10-21
The Intel 7300 Memory Controller supports dynamic throttling of memory which can be used to save power when system is idle. This driver does the memory throttling when all CPUs are idle on such a system. Refer to "Intel 7300 Memory Controller Hub (MCH)" datasheet for the config space description. Signed-off-by: Andy Henroid <andrew.d.henroid@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>