mtd: spi-nor-core: Consolidate non-uniform erase helpers for S25 and S28
s25_erase_non_uniform() and s28hx_t_erase_uniform() support hybrid sector
layout (32 x 4KB sectors overlaid at bottom address) and doing same thing.
Consolidate them into single helper named s25_s28_erase_non_uniform().
Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 9120f86..eed3459 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -3374,7 +3374,7 @@
return 0;
}
-static int s25_erase_non_uniform(struct spi_nor *nor, loff_t addr)
+static int s25_s28_erase_non_uniform(struct spi_nor *nor, loff_t addr)
{
/* Support 32 x 4KB sectors at bottom */
return spansion_erase_non_uniform(nor, addr, SPINOR_OP_BE_4K_4B, 0,
@@ -3415,7 +3415,7 @@
if (ret)
return ret;
if (!(cr & SPINOR_REG_CYPRESS_CFR3_UNISECT))
- nor->erase = s25_erase_non_uniform;
+ nor->erase = s25_s28_erase_non_uniform;
/*
* For the multi-die package parts, the ready() hook is needed to check
@@ -3588,13 +3588,6 @@
return 0;
}
-static int s28hx_t_erase_non_uniform(struct spi_nor *nor, loff_t addr)
-{
- /* Factory default configuration: 32 x 4 KiB sectors at bottom. */
- return spansion_erase_non_uniform(nor, addr, SPINOR_OP_S28_SE_4K,
- 0, SZ_128K);
-}
-
static int s28hx_t_setup(struct spi_nor *nor, const struct flash_info *info,
const struct spi_nor_flash_parameter *params)
{
@@ -3623,7 +3616,7 @@
return ret;
if (!(buf & SPINOR_REG_CYPRESS_CFR3_UNISECT))
- nor->erase = s28hx_t_erase_non_uniform;
+ nor->erase = s25_s28_erase_non_uniform;
return spi_nor_default_setup(nor, info, params);
}
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index f9a55c8..ebe3830 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -180,7 +180,6 @@
/* For Cypress flash. */
#define SPINOR_OP_RD_ANY_REG 0x65 /* Read any register */
#define SPINOR_OP_WR_ANY_REG 0x71 /* Write any register */
-#define SPINOR_OP_S28_SE_4K 0x21
#define SPINOR_REG_CYPRESS_ARCFN 0x00000006
#define SPINOR_REG_CYPRESS_STR1V 0x00800000
#define SPINOR_REG_CYPRESS_CFR1V 0x00800002