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mtd: spi-nor: add missing SST26* flash IC protection ops

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Commit c4e8862308 (mtd: spi: Switch to new SPI NOR framework)
performs switch from previous 'spi_flash' infrastructure without
proper testing/investigations which results in a regressions for
SST26 flash series.

Add missing SST26* flash IC protection ops which were introduced
previously by
Commit 3d4fed87a5 (mtd: sf: Add support of sst26wf* flash ICs
protection ops)

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Eugeniy Paltsev
2019-09-09 22:33:14 +03:00
committed by Jagan Teki
parent 210d8ad0fa
commit e0cacdcc0a
3 changed files with 186 additions and 0 deletions
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4
include/linux/mtd/spi-nor.h
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@@ -91,6 +91,10 @@
#define SPINOR_OP_WRDI 0x04 /* Write disable */
#define SPINOR_OP_AAI_WP 0xad /* Auto address increment word program */
/* Used for SST26* flashes only. */
#define SPINOR_OP_READ_BPR 0x72 /* Read block protection register */
#define SPINOR_OP_WRITE_BPR 0x42 /* Write block protection register */
/* Used for S3AN flashes only */
#define SPINOR_OP_XSE 0x50 /* Sector erase */
#define SPINOR_OP_XPP 0x82 /* Page program */