mtd: m25p80: drop erase() callback

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=cd78ea02dc82eb26be8c2fc1cf05adbf94ea8727
Commit:     cd78ea02dc82eb26be8c2fc1cf05adbf94ea8727
Parent:     c67cbb839da9cc2757eabfa128556db6a2baf160
Author:     Brian Norris <computersforpeace at gmail.com>
AuthorDate: Tue Nov 10 12:15:28 2015 -0800
Committer:  Brian Norris <computersforpeace at gmail.com>
CommitDate: Thu Nov 19 13:34:45 2015 -0800

    mtd: m25p80: drop erase() callback
    
    Just use the spi-nor default instead.
    
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
---
 drivers/mtd/devices/m25p80.c | 17 -----------------
 1 file changed, 17 deletions(-)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index f002a8f..6077c4a 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -152,22 +152,6 @@ static int m25p80_read(struct spi_nor *nor, loff_t from, size_t len,
 	return 0;
 }
 
-static int m25p80_erase(struct spi_nor *nor, loff_t offset)
-{
-	struct m25p *flash = nor->priv;
-
-	dev_dbg(nor->dev, "%dKiB at 0x%08x\n",
-		flash->spi_nor.mtd.erasesize / 1024, (u32)offset);
-
-	/* Set up command buffer. */
-	flash->command[0] = nor->erase_opcode;
-	m25p_addr2cmd(nor, offset, flash->command);
-
-	spi_write(flash->spi, flash->command, m25p_cmdsz(nor));
-
-	return 0;
-}
-
 /*
  * board specific setup should have ensured the SPI clock used here
  * matches what the READ command supports, at least until this driver
@@ -193,7 +177,6 @@ static int m25p_probe(struct spi_device *spi)
 	/* install the hooks */
 	nor->read = m25p80_read;
 	nor->write = m25p80_write;
-	nor->erase = m25p80_erase;
 	nor->write_reg = m25p80_write_reg;
 	nor->read_reg = m25p80_read_reg;