> If I use MEMSTICK_CP_BLOCK, can I start reading a block Tight RAM requirements) and DRM marked blocks which I has no info about. Written boot blocks, volatile look-up table blocks (for systems with It's only used to indicate special purpose blocks, such as factory You shouldn't touch management_flag at all, as far as I can tell. > When I write a sector, I just write 0 to management flag, > When I write it, overwrite flag is updated, or I need toĪs I mentioned above, it can be accessed either as part of extra data > Another question is about write of oob data.
#WHAT IS RICOH MEDIA DRIVER USED FOR UPDATE#
> Also, should I touch that flag when I update sector?īKST set to zero indicates that the whole block is bad and shouldn't beĠ1: page is read-only (soft write-protect)Ġ0: page is accessible, but the value is not guaranteed (faulty page that > I suppose these indicate that page(sector) contains
Zero UDST value is supposedly "known good"). Physical blocks mapped to the same logical one (so the one marked with Whereupon power fails during the write cycle and you're left with two The UDST flag is supposed to guard against a situation, Physical block, mark it with UDST flag (setting it to zero), then writeĭifferent physical block on behalf of the same logical one, then erase the Reallocation during the read/modify/write cycle. UDST flag should be set when you're marking the block for > Could you explain when I need to set and reset the > My idea (from xD of course) is that copyonwrite is done > This one I understand, thinking about xD again, I think it Or separately (CP_OVERWRITE access mode). Overwrite register can be accessed either as part of extra data access > You already explained it to me once, but I still not sure > First of all, I need an explanation of overwrite flag. > I have few more questions about memsticks. Next in thread: Maxim Levitsky: "Re: MEMSTICK: Add driver for Ricoh R5C592 Card reader.".In reply to: Alex Dubov: "Re: MEMSTICK: Add driver for Ricoh R5C592 Card reader.".Previous message: Anton Vorontsov: " mmc_spi: Fix unterminated of_match_table".Next message: Daniel J Blueman: " add missing unlock_kernel calls.".Re: MEMSTICK: Add driver for Ricoh R5C592 Card reader.
Linux-Kernel Archive: Re: MEMSTICK: Add driver for Ricoh R5C592 Card reader.