From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Fabio Estevam <festevam@gmail.com>, miquel.raynal@bootlin.com
Cc: vigneshr@ti.com, richard@nod.at, boris.brezillon@collabora.com,
linux-mtd@lists.infradead.org, kernel@pengutronix.de,
han.xu@nxp.com
Subject: Re: [PATCH v3] mtd: rawnand: mxc: Move the ECC engine initialization to the right place
Date: Mon, 26 Oct 2020 18:45:32 +0100 [thread overview]
Message-ID: <20201026174532.6090-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20201016213613.1450-1-festevam@gmail.com>
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@gmail.com>
> Co-developed-by: Miquel Raynal <miquel.raynal@bootlin.com>
> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
> Signed-off-by: Fabio Estevam <festevam@gmail.com>
> Tested-by: Sascha Hauer <s.hauer@pengutronix.de>
> Tested-by: Martin Kaiser <martin@kaiser.cx>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/fixes, thanks.
Miquel
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next prev parent reply other threads:[~2020-10-26 17:47 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-16 21:36 [PATCH v3] mtd: rawnand: mxc: Move the ECC engine initialization to the right place Fabio Estevam
2020-10-18 19:42 ` Fabio Estevam
2020-10-19 9:13 ` Sascha Hauer
2020-10-25 18:01 ` Martin Kaiser
2020-10-26 17:45 ` Miquel Raynal [this message]
2020-10-26 17:49 ` Miquel Raynal
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