Re: [PATCH v3] spi: stm32-qspi: Update spi registering

[Lukas Wunner <lukas@xxxxxxxxx>]

On Mon, Jan 17, 2022 at 01:17:44PM +0100, patrice.chotard@xxxxxxxxxxx wrote:
> Some device driver need to communicate to qspi device during the remove
> process, qspi controller must be functional when spi_unregister_master()
> is called.
> 
> To ensure this, replace devm_spi_register_master() by spi_register_master()
> and spi_unregister_master() is called directly in .remove callback before
> stopping the qspi controller.
> 
> This issue was put in evidence using kernel v5.11 and later
> with a spi-nor which supports the software reset feature introduced
> by commit d73ee7534cc5 ("mtd: spi-nor: core: perform a Soft Reset on
> shutdown")
> 
> Fixes: c530cd1d9d5e ("spi: spi-mem: add stm32 qspi controller")
> 
> Signed-off-by: Patrice Chotard <patrice.chotard@xxxxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx> # 5.8.x

Reviewed-by: Lukas Wunner <lukas@xxxxxxxxx>

Thanks!

Lukas