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([103.137.12.142]) by smtp.gmail.com with ESMTPSA id c8-20020a170902d48800b001ce5b6de75esm2532059plg.160.2023.11.18.00.32.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 18 Nov 2023 00:32:16 -0800 (PST) From: Ronald Monthero To: miquel.raynal@bootlin.com, andriy.shevchenko@linux.intel.com Cc: richard@nod.at, vigneshr@ti.com, heiko@sntech.de, martin.blumenstingl@googlemail.com, paul@crapouillou.net, robh@kernel.org, u.kleine-koenig@pengutronix.de, debug.penguin32@gmail.com, AVKrasnov@sberdevices.ru, r.czerwinski@pengutronix.de, jaimeliao.tw@gmail.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Roger Quadros , Tudor Ambarus , Poonam Aggrwal , Dipen Dudhat , Kumar Gala , Li Yang , Liu Shuo Subject: [PATCH v4] mtd: rawnand: Increment IFC_TIMEOUT_MSECS for nand controller response Date: Sat, 18 Nov 2023 18:31:51 +1000 Message-Id: <20231118083156.776887-1-debug.penguin32@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231114091302.1f865d66@xps-13> References: <20231114091302.1f865d66@xps-13> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Andy Shevchenko Signed-off-by: Ronald Monthero --- drivers/mtd/nand/raw/fsl_ifc_nand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl= _ifc_nand.c index 20bb1e0cb5eb..f0e2318ce088 100644 --- a/drivers/mtd/nand/raw/fsl_ifc_nand.c +++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c @@ -21,7 +21,7 @@ =20 #define ERR_BYTE 0xFF /* Value returned for read bytes when read failed */ -#define IFC_TIMEOUT_MSECS 500 /* Maximum number of mSecs to wait +#define IFC_TIMEOUT_MSECS 1000 /* Maximum timeout to wait for IFC NAND Machine */ =20 struct fsl_ifc_ctrl; --=20 2.34.1