[PATCH v3] mtd: rawnand: mxc: Move the ECC engine initialization to the right place

Miquel Raynal miquel.raynal at bootlin.com
Mon Oct 26 13:45:32 EDT 2020


On Fri, 2020-10-16 at 21:36:13 UTC, Fabio Estevam wrote:
> No ECC initialization should happen during the host controller probe.
> 
> In fact, we need the probe function to call nand_scan() in order to:
> 
> - identify the device, its capabilities and constraints (nand_scan_ident())
> - configure the ECC engine accordingly (->attach_chip())
> - scan its content and prepare the core (nand_scan_tail())
> 
> Moving these lines to mxcnd_attach_chip() fixes a regression caused by
> a previous commit supposed to clarify these steps.
> 
> When moving the ECC initialization from probe() to attach(), get rid
> of the pdata usage to determine the engine type and let the core decide
> instead.
> 
> Tested on a imx27-pdk board.
> 
> Reported-by: Fabio Estevam <festevam at gmail.com>
> Co-developed-by: Miquel Raynal <miquel.raynal at bootlin.com>
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> Signed-off-by: Fabio Estevam <festevam at gmail.com>
> Tested-by: Sascha Hauer <s.hauer at pengutronix.de>
> Tested-by: Martin Kaiser <martin at kaiser.cx>

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

Miquel



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