[PATCH v2 13/33] mtd: rawnand: fsl_elbc: Let .probe retry if local bus is missing

[Uwe Kleine-König]

Hi Miquèl,

On Mon, Jan 22, 2024 at 07:19:44PM +0100, Miquel Raynal wrote:
> u.kleine-koenig at pengutronix.de wrote on Mon, 22 Jan 2024 19:07:08 +0100:
> 
> > If during probe fsl_lbc_ctrl_dev is NULL that might just be because the
> > fsl_lbc driver didn't bind yet. So return -EPROBE_DEFER in this case to
> > make the driver core retry probing later.
> 
> Despite the probable usefulness of this change, I don't see any
> relationship with the current series. So unless there is a good reason
> I might take this one through the nand tree.

This patch indeed doesn't belong into this series. It just happend to be
in my tree and shuffled into the middle when I sorted the patches by
subsystem. Note I already sent it separately at

	https://lore.kernel.org/linux-mtd/20240115141245.3415035-2-u.kleine-koenig@pengutronix.de

> Also, what about a Fixes/Cc: stable tag here?

The problem exists since

	3ab8f2a2e701 ("P4080/eLBC: Make Freescale elbc interrupt common to elbc devices")

which was included in v2.6.37-rc1. At that time there was no
EPROBE_DEFER yet. I think I wouldn't add a Fixes: line for that, but
feel free to add one if you think there should be one.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |
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