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mtd: spi-nor: add an API to restore the status of SPI flash chip

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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>
This commit is contained in:
Hou Zhiqiang
2017-12-06 10:53:41 +08:00
committed by Cyrille Pitchen
parent 2666067fdb
commit 8dee1d971a
3 changed files with 19 additions and 0 deletions
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6
include/linux/mtd/spi-nor.h
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@@ -403,4 +403,10 @@ struct spi_nor_hwcaps {
int spi_nor_scan(struct spi_nor *nor, const char *name,
const struct spi_nor_hwcaps *hwcaps);
/**
* spi_nor_restore_addr_mode() - restore the status of SPI NOR
* @nor: the spi_nor structure
*/
void spi_nor_restore(struct spi_nor *nor);
#endif