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Date:   Wed, 6 Dec 2017 10:53:40 +0800
From:   Zhiqiang Hou <>
To:     <>, <>,
        <>, <>,
        <>, <>,
        <>, <>
CC:     Hou Zhiqiang <>
Subject: [PATCHv3 0/2] mtd: m25p80: restore the addressing mode when exiting

From: Hou Zhiqiang <>

Restore the status to be compatible with legacy devices.
Take Freescale eSPI boot for example, it copies (in 3 Byte
addressing mode) the RCW and bootloader images from SPI flash
without firing a reset signal previously, so the reboot command
will fail without reseting the addressing mode of SPI flash.

Hou Zhiqiang (2):
  mtd: spi-nor: add an API to restore the status of SPI flash chip
  mtd: m25p80: restore the status of SPI flash when exiting

 Documentation/mtd/spi-nor.txt |  3 +++
 drivers/mtd/devices/m25p80.c  |  9 +++++++++
 drivers/mtd/spi-nor/spi-nor.c | 10 ++++++++++
 include/linux/mtd/spi-nor.h   |  6 ++++++
 4 files changed, 28 insertions(+)


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