[PATCH v5 3/3] mtd: spinand: add SPI-NAND MTD resume handler

Miquel Raynal miquel.raynal at bootlin.com
Fri Jun 11 12:02:43 PDT 2021


On Wed, 2021-06-02 at 09:49:13 UTC,  wrote:
> From: Patrice Chotard <patrice.chotard at foss.st.com>
> 
> After power up, all SPI NAND's blocks are locked. Only read operations
> are allowed, write and erase operations are forbidden.
> The SPI NAND framework unlocks all the blocks during its initialization.
> 
> During a standby low power, the memory is powered down, losing its
> configuration.
> During the resume, the QSPI driver state is restored but the SPI NAND
> framework does not reconfigured the memory.
> 
> This patch adds SPI-NAND MTD PM handlers for resume ops.
> SPI NAND resume op re-initializes SPI NAND flash to its probed state.
> 
> Signed-off-by: Christophe Kerello <christophe.kerello at foss.st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard at foss.st.com>

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.

Miquel



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