On Wed, 21 Nov 2018 12:08:02 +0100 Janusz Krzysztofik <jmkrzyszt@xxxxxxxxx> wrote: > Finalize implementation of the idea suggested by Artem Bityutskiy and > Tony Lindgren, described in commit b027274d2e3a ("mtd: ams-delta: fix > request_mem_region() failure"). Use pure GPIO consumer API, as reqested > by Boris Brezillon. > > Janusz Krzysztofik (4): > ARM: OMAP1: ams-delta: Provide GPIO lookup table for NAND data port > mtd: rawnand: ams-delta: Request data port GPIO resource > mtd: rawnand: ams-delta: Use GPIO API for data I/O > ARM: OMAP1: ams-delta: Drop obsolete NAND resources > > arch/arm/mach-omap1/board-ams-delta.c | 22 ++---- > drivers/mtd/nand/raw/ams-delta.c | 120 +++++++++++++++++++--------------- > 2 files changed, 80 insertions(+), 62 deletions(-) > > Performance on Amstrad Delta is now acceptable after recent extensions > to GPIO API and rawnanad enhancements. > > Series intented to be merged via mtd tree, should not conflict with > other OMAP1 patches submitted for 4.21. We'll prepare an immutable tag, just in case.