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Yicong Yang authored
If the flash's quad mode is enabled, it'll remain in the quad mode when it's removed. If we drive the flash next time in Standard/Dual SPI mode, the QE bit is not cleared and the function of flash's WP# and RESET#/HOLD# have been switched to IO2 and IO3 and are not restored. Disable the Quad mode in spi_nor_restore(), then the flash's QE bit will be cleared when removed. This will make sure the flash always enter the Standard/Dual SPI mode when loaded. Signed-off-by:
Yicong Yang <yangyicong@hisilicon.com> Signed-off-by:
Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by:
Pratyush Yadav <p.yadav@ti.com> Link: https://lore.kernel.org/r/1594027356-19088-3-git-send-email-yangyicong@hisilicon.com
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