mtd: spi-nor: remove NO_CHIP_ERASE flag

There's no flash using it and we'd like to rely instead on SFDP data,
thus remove it.

Tested-by: Fabio Estevam <festevam@denx.de>
Link: https://lore.kernel.org/r/20231125123529.55686-5-tudor.ambarus@linaro.org
Signed-off-by: Tudor Ambarus <tudor.ambarus@linaro.org>

Author: ambarus

drivers/mtd/spi-nor/core.c

@@ -2888,9 +2888,6 @@ static void spi_nor_init_flags(struct spi_nor *nor)
 			nor->flags |= SNOR_F_HAS_SR_BP3_BIT6;
 	}
 
-	if (flags & NO_CHIP_ERASE)
-		nor->flags |= SNOR_F_NO_OP_CHIP_ERASE;
-
 	if (flags & SPI_NOR_RWW && nor->params->n_banks > 1 &&
 	    !nor->controller_ops)
 		nor->flags |= SNOR_F_RWW;

drivers/mtd/spi-nor/core.h

@@ -489,7 +489,6 @@ struct spi_nor_id {
  *                            Usually these will power-up in a write-protected
  *                            state.
  *   SPI_NOR_NO_ERASE:        no erase command needed.
- *   NO_CHIP_ERASE:           chip does not support chip erase.
  *   SPI_NOR_NO_FR:           can't do fastread.
  *   SPI_NOR_QUAD_PP:         flash supports Quad Input Page Program.
  *   SPI_NOR_RWW:             flash supports reads while write.
@@ -539,10 +538,9 @@ struct flash_info {
 #define SPI_NOR_BP3_SR_BIT6		BIT(4)
 #define SPI_NOR_SWP_IS_VOLATILE		BIT(5)
 #define SPI_NOR_NO_ERASE		BIT(6)
-#define NO_CHIP_ERASE			BIT(7)
-#define SPI_NOR_NO_FR			BIT(8)
-#define SPI_NOR_QUAD_PP			BIT(9)
-#define SPI_NOR_RWW			BIT(10)
+#define SPI_NOR_NO_FR			BIT(7)
+#define SPI_NOR_QUAD_PP			BIT(8)
+#define SPI_NOR_RWW			BIT(9)
 
 	u8 no_sfdp_flags;
 #define SPI_NOR_SKIP_SFDP		BIT(0)