linux-kernel - Re: [PATCH v4] mtd: rawnand: Increment IFC_TIMEOUT

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Message-Id: <20231120104637.3524982-1-miquel.raynal@bootlin.com>
Date:   Mon, 20 Nov 2023 11:46:37 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Ronald Monthero <debug.penguin32@...il.com>,
        miquel.raynal@...tlin.com, andriy.shevchenko@...ux.intel.com
Cc:     richard@....at, vigneshr@...com, heiko@...ech.de,
        martin.blumenstingl@...glemail.com, paul@...pouillou.net,
        robh@...nel.org, u.kleine-koenig@...gutronix.de,
        AVKrasnov@...rdevices.ru, r.czerwinski@...gutronix.de,
        jaimeliao.tw@...il.com, linux-mtd@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Roger Quadros <rogerq@...nel.org>,
        Tudor Ambarus <tudor.ambarus@...aro.org>,
        Poonam Aggrwal <poonam.aggrwal@...escale.com>,
        Dipen Dudhat <Dipen.Dudhat@...escale.com>,
        Kumar Gala <galak@...nel.crashing.org>,
        Li Yang <leoyang.li@....com>, Liu Shuo <b35362@...escale.com>
Subject: Re: [PATCH v4] mtd: rawnand: Increment IFC_TIMEOUT_MSECS for nand controller response

On Sat, 2023-11-18 at 08:31:51 UTC, Ronald Monthero wrote:
> Under heavy load it is likely that the controller is done
> with its own task but the thread unlocking the wait is not
> scheduled in time. Increasing IFC_TIMEOUT_MSECS allows the
> controller to respond within allowable timeslice of 1 sec.
> 
> fsl,ifc-nand 7e800000.nand: Controller is not responding
> 
> [<804b2047>] (nand_get_device) from [<804b5335>] (nand_write_oob+0x1b/0x4a)
> [<804b5335>] (nand_write_oob) from [<804a3585>] (mtd_write+0x41/0x5c)
> [<804a3585>] (mtd_write) from [<804c1d47>] (ubi_io_write+0x17f/0x22c)
> [<804c1d47>] (ubi_io_write) from [<804c047b>] (ubi_eba_write_leb+0x5b/0x1d0)
> 
> Fixes: 82771882d960 ("NAND Machine support for Integrated Flash Controller")
> Reviewed-by: Miquel Raynal <miquel.raynal@...tlin.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Signed-off-by: Ronald Monthero <debug.penguin32@...il.com>

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

Miquel