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| author |   Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2017-12-06 10:53:41 +0800 |
|---|---|---|
| committer |   Cyrille Pitchen <cyrille.pitchen@wedev4u.fr> | 2017-12-13 00:36:00 +0100 |
| commit | 8dee1d971af9af2f7b5f54c2eac4ebd04c5c237c (patch) | |
| tree | 72bdb63f2ed5a58b2e809f385c92b1b61edaefb1 /Documentation/mtd | |
| parent | mtd: spi-nor: Check that BP bits are set properly (diff) | |
| download | linux-dev-8dee1d971af9af2f7b5f54c2eac4ebd04c5c237c.tar.xz linux-dev-8dee1d971af9af2f7b5f54c2eac4ebd04c5c237c.zip | |
mtd: spi-nor: add an API to restore the status of SPI flash chip
Add this API to restore the status of SPI flash chip to the default
such as addressing mode, whenever detach the driver from device or
reboot the system.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Diffstat (limited to 'Documentation/mtd')
| -rw-r--r-- | Documentation/mtd/spi-nor.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/mtd/spi-nor.txt b/Documentation/mtd/spi-nor.txt index 548d6306ebca..da1fbff5a24c 100644 --- a/Documentation/mtd/spi-nor.txt +++ b/Documentation/mtd/spi-nor.txt @@ -60,3 +60,6 @@ The main API is spi_nor_scan(). Before you call the hook, a driver should initialize the necessary fields for spi_nor{}. Please see drivers/mtd/spi-nor/spi-nor.c for detail. Please also refer to fsl-quadspi.c when you want to write a new driver for a SPI NOR controller. +Another API is spi_nor_restore(), this is used to restore the status of SPI +flash chip such as addressing mode. Call it whenever detach the driver from +device or reboot the system. |