Messages in this thread | | | From | Bean Huo 霍斌斌 (beanhuo) <> | Subject | RE: [PATCH 1/1 v3] driver:mtd:spi-nor: Add Micron quad I/O support | Date | Wed, 1 Oct 2014 14:24:41 +0000 |
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>> For Micron spi norflash,enables or disables quad I/O protocol ,which >> controled by EVCR(Enhanced Volatile Configuration Register) Quad I/O >> protocol bit 7.When EVCR bit 7 is reset to 0, the spi norflash will >> operate in quad I/O following the next WRITE ENHANCED VOLATILE >> CONFIGURATION command.
>You only do one WRITE ENHANCED VOLATILE CONFIGURATION command in the patch, so this text doesn't add up.
>Try something like this: >-->8-- >This patch adds code which enables Quad I/O mode on Micron SPI NOR flashes.
>For Micron SPI NOR flash, enabling or disabling quad I/O protocol is controled by EVCR (Enhanced Volatile Configuration Register), Quad I/O protocol bit 7. When EVCR bit 7 is reset to 0, the SPI NOR flash will operate in quad I/O mode. >--8<--
>What do you think ? Perfect,I will modify my commit message and sumbit it again.thanks.
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