Messages in this thread | | | From | Miquel Raynal <> | Subject | Re: [PATCH v3 2/2] mtd: rawnand: meson: waiting w/o wired ready/busy pin | Date | Fri, 9 Jun 2023 17:24:57 +0200 |
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On Thu, 2023-06-08 at 04:47:28 UTC, Arseniy Krasnov wrote: > If there is no wired ready/busy pin, classic way to wait for command > completion is to use function 'nand_soft_waitrdy()'. Meson NAND has > special command which allows to wait for NAND_STATUS_READY bit without > reading status in a software loop (as 'nand_soft_waitrdy()' does). To > use it send this command along with NAND_CMD_STATUS, then wait for an > interrupt, and after interrupt send NAND_CMD_READ0. So this feature > allows to use interrupt driven waiting without wired ready/busy pin. > > Suggested-by: Liang Yang <liang.yang@amlogic.com> > Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.
Miquel
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