diff options
Diffstat (limited to 'drivers/mmc/core/Kconfig')
| -rw-r--r-- | drivers/mmc/core/Kconfig | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/mmc/core/Kconfig b/drivers/mmc/core/Kconfig index ab37a6d9d32..9ebee72d9c3 100644 --- a/drivers/mmc/core/Kconfig +++ b/drivers/mmc/core/Kconfig @@ -2,15 +2,12 @@ # MMC core configuration # -config MMC_UNSAFE_RESUME - bool "Allow unsafe resume (DANGEROUS)" +config MMC_CLKGATE + bool "MMC host clock gating" help - If you say Y here, the MMC layer will assume that all cards - stayed in their respective slots during the suspend. The - normal behaviour is to remove them at suspend and - redetecting them at resume. Breaking this assumption will - in most cases result in data corruption. - - This option is usually just for embedded systems which use - a MMC/SD card for rootfs. Most people should say N here. + This will attempt to aggressively gate the clock to the MMC card. + This is done to save power due to gating off the logic and bus + noise when the MMC card is not in use. Your host driver has to + support handling this in order for it to be of any use. + If unsure, say N. |