Hi, On 11/23/11, ygardi@xxxxxxxxxxxxxx <ygardi@xxxxxxxxxxxxxx> wrote: > sorry for sending it again...(changed the mailing-list) > > hello, > > i have a few questions regarding the sanitize capability that was added in > v4.5. > > 1. how often this operation should take place ? > a. any advantages to perform sanitize in power-up, power-down, or every > X hours when the card in idle ? It's not normally used at runtime. in our case, it's used at factory reset only > > 2. how this operation should be triggered? > is it external adb command, or is part of the driver operation ? it can trigger at block with BLKSECDISCARD > > 3. does anyone have a speculated time duration for that operation > according to a card size / vendor ? there's no timeout value at eMMC v4.5 spec. it takes long time depends on chip status. the only way to stop is using HPI. If you start the sanitize and there's user request then it call the HPI. and it's not yet implemented at mmc code. Thank you, Kyungmin Park > > thanks, > Yaniv > > > > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
