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mtd: spi-nor-core: Add Cypress manufacturer ID in set_4byte
authorTakahiro Kuwano <[email protected]>
Tue, 29 Jun 2021 06:01:02 +0000 (15:01 +0900)
committerJagan Teki <[email protected]>
Tue, 29 Jun 2021 13:46:54 +0000 (19:16 +0530)
commit72151ad10f8dcc3c86084259b227a7d70cc79473
tree475d783fcf6b2b7de17377c3d74d21ed7edfdf33tree | snapshot
parentd2d79895da1b80275fe0ffd84d697519c73c924dcommit | diff
mtd: spi-nor-core: Add Cypress manufacturer ID in set_4byte

Cypress chips support SPINOR_OP_EN4B(B7h) to enable 4-byte addressing mode.

Cypress chips support B8h to disable 4-byte addressing mode instead of
SPINOR_OP_EX4B(E9h).

This patch defines new opcode and updates set_4byte() to support
enable/disable 4-byte addressing mode for Cypress chips.

Signed-off-by: Takahiro Kuwano <[email protected]>
Reviewed-by: Jagan Teki <[email protected]>
drivers/mtd/spi/spi-nor-core.c diff | blob | blame | history
include/linux/mtd/spi-nor.h diff | blob | blame | history
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