diff options
| author | Deepesh Gujarathi <dgujarathi@nvidia.com> | 2010-01-19 14:45:54 +0530 |
|---|---|---|
| committer | Deepesh Gujarathi <dgujarathi@nvidia.com> | 2010-01-20 15:03:53 +0530 |
| commit | 179fa807239b85a471b046a5ba75dce7c0f68dec (patch) | |
| tree | f59b2fac714a18bd235e930c1d7246ec13883e0e /drivers/mmc/host/Kconfig | |
| parent | 646ce4ccb5864590c95327826a4bdc5b68c1b2ba (diff) | |
tegra: Dynamically control the card clock for SD memory devices
On certain embedded devices, leaving the card clock enabled on
SD memory devices with no active transactions can increase
power consumption. Enable this option to automatically disable
the card clock after a transfer completes.
Change-Id: I6da3388c1528bf1334c3534b7251a526812199f1
Diffstat (limited to 'drivers/mmc/host/Kconfig')
| -rw-r--r-- | drivers/mmc/host/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 3f8a5bb69e42..aca32075e12d 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -37,6 +37,18 @@ config MMC_SDHCI If unsure, say N. +config MMC_SDHCI_DYNAMIC_SDMEM_CLOCK + depends on MMC_SDHCI + bool "Dynamically control the card clock for SD memory devices" + default y + help + On certain embedded devices, leaving the card clock enabled to + SD memory devices with no active transactions can increase power + consumption. Enable this option to automatically disable the card + clock after transfers complete. + + If unsure, say N here. + config MMC_SDHCI_PCI tristate "SDHCI support on PCI bus" depends on MMC_SDHCI && PCI |