Hi Tudor, Le 08/06/2018 à 15:48, Tudor Ambarus a écrit : > The commit message became wall-of-text, my feeling is that I heavily > reworked the code so I changed the author. If someone thinks differently, > please say and I'll change back to the initial authorship. What I've done:
It's obvious that you're the author of the patch so I'm totally fine with this change :) Best regards, Cyrille > > - minimize the amount of erase() calls by using the best sequence of erase > type commands depending on alignment. > > - build the list of best fitted erase commands to be executed once we > validate that the erase can be performed. > > - add improvements on how the erase map is handled. The regions are > consecutive in the address space, walk through the regions incrementally. > > - speed up finding the best erase type command. Order erase types by > size, iterate them from the biggest to the smallest and stop when best > fitted command is found. > > - determine at init if there are erase types that can erase the entire > memory > > - fix the erase size in overlaid regions. S25FS512S states that 'if a sector > erase command is applied to a 256KB range that is overlaid by 4KB secors, > the overlaid 4kB sectors are not affected by the erase' > > Backward compatibility test done on MX25L25673G. > > Changes since RFC PATCH: > - build a list of erase commands to be executed once we validate > that the erase can be performed > - fix walking through the address space in overlaid regions > - drop wall-of-text description commit message, change author > > > Tudor Ambarus (1): > mtd: spi-nor: add support to non-uniform SFDP SPI NOR flash memories > > drivers/mtd/spi-nor/spi-nor.c | 357 > ++++++++++++++++++++++++++++++++++++++++-- > include/linux/mtd/spi-nor.h | 108 +++++++++++++ > 2 files changed, 451 insertions(+), 14 deletions(-) >
