From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 47C5F12A17F; Tue, 23 Jan 2024 00:13:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705968790; cv=none; b=i0Zp/ZtiQI7xcViXMSa+7UgiElAr6hiPXVh3bbwX34HbTmFk5wKV5Vm7KzeuzLFbpOnWOdrgHyv3Rm29IY4P5OCRR5bESJHrJrehmdD9hMWtIG/8m864Q+PDZzW/0z9uf1MXINaCehAC4EKxI4efaM8jgRl4z+qEVtHmvNzVPPY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705968790; c=relaxed/simple; bh=ryo+vEgE3yaX66SZT1eA8vFyXmV1BUy+5vIskxVY1QQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hCRafUzd8iBK0IGjpHslAandUSxLOz+teWvOFpKrix0cMx3dNCPe208VebLCUcwEa3IAIBv0w+Jr1RrQAejNdMozgd1YirWCAANY/y/EqEnAzbrC6Ne7LVCTmzZbZyLZPvQDD419JfjacaNbpRyOl0Yz5+BQX2oH5bzX0WRenpY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=HyM7oqX/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="HyM7oqX/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84052C433C7; Tue, 23 Jan 2024 00:13:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705968789; bh=ryo+vEgE3yaX66SZT1eA8vFyXmV1BUy+5vIskxVY1QQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HyM7oqX/9n9utrCINaNnO1+gokn1LXGdnNmWNhNqczqjSqEXmZMryBYkQdVlCScuR YbIoxNhai0PJGlx3NSubLW3lgMEikJuHL46hEWqVXYBHbHwS9H90VOuCbVK0ID34/P IVAMHN7jLtzBWgBiJAaMgQNXOSn4Ly+Y8dZbfmMk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Miquel Raynal , Andy Shevchenko , Ronald Monthero , Sasha Levin Subject: [PATCH 5.4 051/194] mtd: rawnand: Increment IFC_TIMEOUT_MSECS for nand controller response Date: Mon, 22 Jan 2024 15:56:21 -0800 Message-ID: <20240122235721.397343659@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235719.206965081@linuxfoundation.org> References: <20240122235719.206965081@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ronald Monthero [ Upstream commit 923fb6238cb3ac529aa2bf13b3b1e53762186a8b ] 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 Signed-off-by: Miquel Raynal Link: https://lore.kernel.org/linux-mtd/20231118083156.776887-1-debug.penguin32@gmail.com Signed-off-by: Sasha Levin --- 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 2af09edf405b..5c52cf1b7bd4 100644 --- a/drivers/mtd/nand/raw/fsl_ifc_nand.c +++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c @@ -21,7 +21,7 @@ #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 */ struct fsl_ifc_ctrl; -- 2.43.0