On Wednesday, April 16, 2014 at 02:37:13 PM, Austin Boyle wrote: > This patch generalises the calculation of block protect bits based on the > number of sectors and implements the _is_locked function. > > Existing calculation of block protect bits only works for devices with 64 > sectors or more. This new logic is applicable to the STmicro devices: > m25p10, p20, p40, p80, p16, pe16, p32, p64, p128. > Note devices with >64 sectors only allow the protected region to be > specified to a resolution of 1/64th of the total size (such as m25p64). > > New return codes for ioctl(MEMISLOCKED) have been added to > uapi/mtd/mtd-abi.h because the _is_locked function can query a region > which is partially unlocked. > > Added flag to m25p_ids table to indicate if flash protection is supported. > > Added n_sectors and sector_size to m25p flash structure so it can be used > in block protect bit calculation. > > From: Austin Boyle <[email protected]> > Signed-off-by: Austin Boyle <[email protected]>
Acked-by: Marek Vasut <[email protected]> Thanks! Best regards, Marek Vasut -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
