Lines Matching refs:erase

28 	preferred_erase_size	Preferred erase size
34 	"erase_size" is the  minimum size, in bytes, of an erase
35 	operation.  For MMC, "erase_size" is the erase group size
41 	SD/MMC cards can erase an arbitrarily large area up to and
44 		1. A single erase command will make all other I/O on
48 		duration of the erase - which could be a several
50 		2. To be able to inform the user of erase progress.
51 		3. The erase timeout becomes too large to be very
52 		useful.  Because the erase timeout contains a margin
53 		which is multiplied by the size of the erase area,
57 	"erase_size" is not the most efficient unit to erase
63 	erase size if a card specifies one, otherwise it is