From 41b5ed6e677ca73cb031b7657eefb5cf27071be3 Mon Sep 17 00:00:00 2001 From: Vignesh Raghavendra Date: Mon, 1 Jun 2020 12:34:42 +0530 Subject: [PATCH] mtd: spi-nor: cadence-quadspi: Drop redundant WREN in erase path Drop redundant WREN command in cqspi_erase() as SPI NOR core takes care of sending WREN command before sending erase command. Signed-off-by: Vignesh Raghavendra Reviewed-by: Tudor Ambarus Acked-by: Tudor Ambarus Link: https://lore.kernel.org/r/20200601070444.16923-7-vigneshr@ti.com Signed-off-by: Mark Brown --- drivers/mtd/spi-nor/controllers/cadence-quadspi.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/mtd/spi-nor/controllers/cadence-quadspi.c b/drivers/mtd/spi-nor/controllers/cadence-quadspi.c index 0570ebca135a..6b1cbad25e3f 100644 --- a/drivers/mtd/spi-nor/controllers/cadence-quadspi.c +++ b/drivers/mtd/spi-nor/controllers/cadence-quadspi.c @@ -1016,11 +1016,6 @@ static int cqspi_erase(struct spi_nor *nor, loff_t offs) if (ret) return ret; - /* Send write enable, then erase commands. */ - ret = nor->controller_ops->write_reg(nor, SPINOR_OP_WREN, NULL, 0); - if (ret) - return ret; - /* Set up command buffer. */ ret = cqspi_command_write_addr(nor, nor->erase_opcode, offs); if (ret)