From patchwork Thu Sep 6 22:38:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris Brezillon X-Patchwork-Id: 10591217 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ADE43920 for ; Thu, 6 Sep 2018 22:39:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9B0182AF3B for ; Thu, 6 Sep 2018 22:39:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8E8BA2AF41; Thu, 6 Sep 2018 22:39:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C04592AF42 for ; Thu, 6 Sep 2018 22:39:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729004AbeIGDQu (ORCPT ); Thu, 6 Sep 2018 23:16:50 -0400 Received: from mail.bootlin.com ([62.4.15.54]:45572 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728961AbeIGDQt (ORCPT ); Thu, 6 Sep 2018 23:16:49 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id CFF30208B9; Fri, 7 Sep 2018 00:39:07 +0200 (CEST) Received: from localhost.localdomain (91-160-177-164.subs.proxad.net [91.160.177.164]) by mail.bootlin.com (Postfix) with ESMTPSA id 84BEC20379; Fri, 7 Sep 2018 00:39:06 +0200 (CEST) From: Boris Brezillon To: Boris Brezillon , Richard Weinberger , Miquel Raynal , linux-mtd@lists.infradead.org Cc: David Woodhouse , Brian Norris , Marek Vasut , Jonathan Corbet , linux-doc@vger.kernel.org, Hartley Sweeten , Ryan Mallon , Alexander Shiyan , Shawn Guo , Sascha Hauer , Fabio Estevam , NXP Linux Team , Imre Kaloz , Krzysztof Halasa , Tony Lindgren , linux-omap@vger.kernel.org, Alexander Clouter , Thomas Petazzoni , Gregory CLEMENT , Jason Cooper , Sebastian Hesselbarth , Andrew Lunn , Daniel Mack , Haojian Zhuang , Robert Jarzmik , Ralf Baechle , linux-mips@linux-mips.org, Yoshinori Sato , Rich Felker , linux-sh@vger.kernel.org, Greg Kroah-Hartman , devel@driverdev.osuosl.org Subject: [PATCH 09/19] mtd: rawnand: Deprecate ->chip_delay Date: Fri, 7 Sep 2018 00:38:41 +0200 Message-Id: <20180906223851.6964-10-boris.brezillon@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180906223851.6964-1-boris.brezillon@bootlin.com> References: <20180906223851.6964-1-boris.brezillon@bootlin.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The wait timeouts and delays are directly extracted from the NAND timings and ->chip_delay is only used in legacy path, so let's move it to the nand_legacy struct to make it clear. Signed-off-by: Boris Brezillon --- Documentation/driver-api/mtdnand.rst | 2 +- drivers/mtd/nand/raw/ams-delta.c | 2 +- drivers/mtd/nand/raw/atmel/nand-controller.c | 2 +- drivers/mtd/nand/raw/au1550nd.c | 4 ++-- drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c | 2 +- drivers/mtd/nand/raw/cafe_nand.c | 2 +- drivers/mtd/nand/raw/cmx270_nand.c | 2 +- drivers/mtd/nand/raw/cs553x_nand.c | 2 +- drivers/mtd/nand/raw/davinci_nand.c | 2 +- drivers/mtd/nand/raw/diskonchip.c | 4 ++-- drivers/mtd/nand/raw/fsl_elbc_nand.c | 4 ++-- drivers/mtd/nand/raw/fsl_ifc_nand.c | 4 ++-- drivers/mtd/nand/raw/fsl_upm.c | 2 +- drivers/mtd/nand/raw/fsmc_nand.c | 1 - drivers/mtd/nand/raw/gpio.c | 2 +- drivers/mtd/nand/raw/hisi504_nand.c | 2 +- drivers/mtd/nand/raw/jz4740_nand.c | 2 +- drivers/mtd/nand/raw/jz4780_nand.c | 2 +- drivers/mtd/nand/raw/lpc32xx_mlc.c | 2 +- drivers/mtd/nand/raw/lpc32xx_slc.c | 2 +- drivers/mtd/nand/raw/mxc_nand.c | 2 +- drivers/mtd/nand/raw/nand_base.c | 14 +++++++------- drivers/mtd/nand/raw/nandsim.c | 2 +- drivers/mtd/nand/raw/ndfc.c | 2 +- drivers/mtd/nand/raw/nuc900_nand.c | 6 +++--- drivers/mtd/nand/raw/omap2.c | 4 ++-- drivers/mtd/nand/raw/orion_nand.c | 2 +- drivers/mtd/nand/raw/oxnas_nand.c | 2 +- drivers/mtd/nand/raw/pasemi_nand.c | 2 +- drivers/mtd/nand/raw/plat_nand.c | 2 +- drivers/mtd/nand/raw/s3c2410.c | 2 +- drivers/mtd/nand/raw/sh_flctl.c | 2 +- drivers/mtd/nand/raw/sharpsl.c | 2 +- drivers/mtd/nand/raw/socrates_nand.c | 2 +- drivers/mtd/nand/raw/sunxi_nand.c | 2 +- drivers/mtd/nand/raw/tmio_nand.c | 2 +- drivers/mtd/nand/raw/txx9ndfmc.c | 2 +- drivers/mtd/nand/raw/xway_nand.c | 2 +- include/linux/mtd/rawnand.h | 6 +++--- 39 files changed, 53 insertions(+), 54 deletions(-) diff --git a/Documentation/driver-api/mtdnand.rst b/Documentation/driver-api/mtdnand.rst index 0d3fa4d6576d..55447659b81f 100644 --- a/Documentation/driver-api/mtdnand.rst +++ b/Documentation/driver-api/mtdnand.rst @@ -240,7 +240,7 @@ necessary information about the device. /* Reference hardware control function */ this->hwcontrol = board_hwcontrol; /* Set command delay time, see datasheet for correct value */ - this->chip_delay = CHIP_DEPENDEND_COMMAND_DELAY; + this->legacy.chip_delay = CHIP_DEPENDEND_COMMAND_DELAY; /* Assign the device ready function, if available */ this->legacy.dev_ready = board_dev_ready; this->eccmode = NAND_ECC_SOFT; diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c index 2fa6fa3c7464..3d3786dcc5d1 100644 --- a/drivers/mtd/nand/raw/ams-delta.c +++ b/drivers/mtd/nand/raw/ams-delta.c @@ -221,7 +221,7 @@ static int ams_delta_init(struct platform_device *pdev) pr_notice("Couldn't request gpio for Delta NAND ready.\n"); } /* 25 us command delay time */ - this->chip_delay = 30; + this->legacy.chip_delay = 30; this->ecc.mode = NAND_ECC_SOFT; this->ecc.algo = NAND_ECC_HAMMING; diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index dd022080442d..ad0245c66892 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -1483,7 +1483,7 @@ static void atmel_nand_init(struct atmel_nand_controller *nc, chip->setup_data_interface = atmel_nand_setup_data_interface; /* Some NANDs require a longer delay than the default one (20us). */ - chip->chip_delay = 40; + chip->legacy.chip_delay = 40; /* * Use a bounce buffer when the buffer passed by the MTD user is not diff --git a/drivers/mtd/nand/raw/au1550nd.c b/drivers/mtd/nand/raw/au1550nd.c index 81bba469c0e4..9731c1c487f6 100644 --- a/drivers/mtd/nand/raw/au1550nd.c +++ b/drivers/mtd/nand/raw/au1550nd.c @@ -342,7 +342,7 @@ static void au1550_command(struct nand_chip *this, unsigned command, /* Apply a short delay always to ensure that we do wait tWB. */ ndelay(100); /* Wait for a chip to become ready... */ - for (i = this->chip_delay; + for (i = this->legacy.chip_delay; !this->legacy.dev_ready(this) && i > 0; --i) udelay(1); @@ -434,7 +434,7 @@ static int au1550nd_probe(struct platform_device *pdev) this->legacy.cmdfunc = au1550_command; /* 30 us command delay time */ - this->chip_delay = 30; + this->legacy.chip_delay = 30; this->ecc.mode = NAND_ECC_SOFT; this->ecc.algo = NAND_ECC_HAMMING; diff --git a/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c index 357bc75948b0..9095a79ebc7d 100644 --- a/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c +++ b/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c @@ -393,7 +393,7 @@ int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n) b47n->nand_chip.legacy.set_features = nand_get_set_features_notsupp; b47n->nand_chip.legacy.get_features = nand_get_set_features_notsupp; - nand_chip->chip_delay = 50; + nand_chip->legacy.chip_delay = 50; b47n->nand_chip.bbt_options = NAND_BBT_USE_FLASH; b47n->nand_chip.ecc.mode = NAND_ECC_NONE; /* TODO: implement ECC */ diff --git a/drivers/mtd/nand/raw/cafe_nand.c b/drivers/mtd/nand/raw/cafe_nand.c index e3f702bef549..c1a745940d12 100644 --- a/drivers/mtd/nand/raw/cafe_nand.c +++ b/drivers/mtd/nand/raw/cafe_nand.c @@ -712,7 +712,7 @@ static int cafe_nand_probe(struct pci_dev *pdev, cafe->nand.legacy.set_features = nand_get_set_features_notsupp; cafe->nand.legacy.get_features = nand_get_set_features_notsupp; - cafe->nand.chip_delay = 0; + cafe->nand.legacy.chip_delay = 0; /* Enable the following for a flash based bad block table */ cafe->nand.bbt_options = NAND_BBT_USE_FLASH; diff --git a/drivers/mtd/nand/raw/cmx270_nand.c b/drivers/mtd/nand/raw/cmx270_nand.c index 585dbd51d8b1..143e4acacaae 100644 --- a/drivers/mtd/nand/raw/cmx270_nand.c +++ b/drivers/mtd/nand/raw/cmx270_nand.c @@ -179,7 +179,7 @@ static int __init cmx270_init(void) this->legacy.dev_ready = cmx270_device_ready; /* 15 us command delay time */ - this->chip_delay = 20; + this->legacy.chip_delay = 20; this->ecc.mode = NAND_ECC_SOFT; this->ecc.algo = NAND_ECC_HAMMING; diff --git a/drivers/mtd/nand/raw/cs553x_nand.c b/drivers/mtd/nand/raw/cs553x_nand.c index 61ae9e60bf0d..c6f578aff5d9 100644 --- a/drivers/mtd/nand/raw/cs553x_nand.c +++ b/drivers/mtd/nand/raw/cs553x_nand.c @@ -212,7 +212,7 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr) this->legacy.read_buf = cs553x_read_buf; this->legacy.write_buf = cs553x_write_buf; - this->chip_delay = 0; + this->legacy.chip_delay = 0; this->ecc.mode = NAND_ECC_HW; this->ecc.size = 256; diff --git a/drivers/mtd/nand/raw/davinci_nand.c b/drivers/mtd/nand/raw/davinci_nand.c index bae568d68432..80f228d23cd2 100644 --- a/drivers/mtd/nand/raw/davinci_nand.c +++ b/drivers/mtd/nand/raw/davinci_nand.c @@ -761,7 +761,7 @@ static int nand_davinci_probe(struct platform_device *pdev) info->chip.legacy.IO_ADDR_R = vaddr; info->chip.legacy.IO_ADDR_W = vaddr; - info->chip.chip_delay = 0; + info->chip.legacy.chip_delay = 0; info->chip.select_chip = nand_davinci_select_chip; /* options such as NAND_BBT_USE_FLASH */ diff --git a/drivers/mtd/nand/raw/diskonchip.c b/drivers/mtd/nand/raw/diskonchip.c index 16fdfd06ef25..3a4c373affab 100644 --- a/drivers/mtd/nand/raw/diskonchip.c +++ b/drivers/mtd/nand/raw/diskonchip.c @@ -717,7 +717,7 @@ static void doc2001plus_command(struct nand_chip *this, unsigned command, case NAND_CMD_RESET: if (this->legacy.dev_ready) break; - udelay(this->chip_delay); + udelay(this->legacy.chip_delay); WriteDOC(NAND_CMD_STATUS, docptr, Mplus_FlashCmd); WriteDOC(0, docptr, Mplus_WritePipeTerm); WriteDOC(0, docptr, Mplus_WritePipeTerm); @@ -731,7 +731,7 @@ static void doc2001plus_command(struct nand_chip *this, unsigned command, * command delay */ if (!this->legacy.dev_ready) { - udelay(this->chip_delay); + udelay(this->legacy.chip_delay); return; } } diff --git a/drivers/mtd/nand/raw/fsl_elbc_nand.c b/drivers/mtd/nand/raw/fsl_elbc_nand.c index c5f3aa908416..d6ed697fcfe6 100644 --- a/drivers/mtd/nand/raw/fsl_elbc_nand.c +++ b/drivers/mtd/nand/raw/fsl_elbc_nand.c @@ -658,8 +658,8 @@ static int fsl_elbc_attach_chip(struct nand_chip *chip) chip->chipsize); dev_dbg(priv->dev, "fsl_elbc_init: nand->pagemask = %8x\n", chip->pagemask); - dev_dbg(priv->dev, "fsl_elbc_init: nand->chip_delay = %d\n", - chip->chip_delay); + dev_dbg(priv->dev, "fsl_elbc_init: nand->legacy.chip_delay = %d\n", + chip->legacy.chip_delay); dev_dbg(priv->dev, "fsl_elbc_init: nand->badblockpos = %d\n", chip->badblockpos); dev_dbg(priv->dev, "fsl_elbc_init: nand->chip_shift = %d\n", diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c index a303d12079f0..6f4afc44381a 100644 --- a/drivers/mtd/nand/raw/fsl_ifc_nand.c +++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c @@ -727,8 +727,8 @@ static int fsl_ifc_attach_chip(struct nand_chip *chip) chip->chipsize); dev_dbg(priv->dev, "%s: nand->pagemask = %8x\n", __func__, chip->pagemask); - dev_dbg(priv->dev, "%s: nand->chip_delay = %d\n", __func__, - chip->chip_delay); + dev_dbg(priv->dev, "%s: nand->legacy.chip_delay = %d\n", __func__, + chip->legacy.chip_delay); dev_dbg(priv->dev, "%s: nand->badblockpos = %d\n", __func__, chip->badblockpos); dev_dbg(priv->dev, "%s: nand->chip_shift = %d\n", __func__, diff --git a/drivers/mtd/nand/raw/fsl_upm.c b/drivers/mtd/nand/raw/fsl_upm.c index fcb79718b6c3..673c5a0c9345 100644 --- a/drivers/mtd/nand/raw/fsl_upm.c +++ b/drivers/mtd/nand/raw/fsl_upm.c @@ -163,7 +163,7 @@ static int fun_chip_init(struct fsl_upm_nand *fun, fun->chip.legacy.IO_ADDR_R = fun->io_base; fun->chip.legacy.IO_ADDR_W = fun->io_base; fun->chip.legacy.cmd_ctrl = fun_cmd_ctrl; - fun->chip.chip_delay = fun->chip_delay; + fun->chip.legacy.chip_delay = fun->chip_delay; fun->chip.legacy.read_byte = fun_read_byte; fun->chip.legacy.read_buf = fun_read_buf; fun->chip.legacy.write_buf = fun_write_buf; diff --git a/drivers/mtd/nand/raw/fsmc_nand.c b/drivers/mtd/nand/raw/fsmc_nand.c index 5e06fce4b295..f9874fc72f30 100644 --- a/drivers/mtd/nand/raw/fsmc_nand.c +++ b/drivers/mtd/nand/raw/fsmc_nand.c @@ -1080,7 +1080,6 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) mtd->dev.parent = &pdev->dev; nand->exec_op = fsmc_exec_op; nand->select_chip = fsmc_select_chip; - nand->chip_delay = 30; /* * Setup default ECC mode. nand_dt_init() called from nand_scan_ident() diff --git a/drivers/mtd/nand/raw/gpio.c b/drivers/mtd/nand/raw/gpio.c index c4f19067702e..a6c9a824a7d4 100644 --- a/drivers/mtd/nand/raw/gpio.c +++ b/drivers/mtd/nand/raw/gpio.c @@ -278,7 +278,7 @@ static int gpio_nand_probe(struct platform_device *pdev) chip->ecc.mode = NAND_ECC_SOFT; chip->ecc.algo = NAND_ECC_HAMMING; chip->options = gpiomtd->plat.options; - chip->chip_delay = gpiomtd->plat.chip_delay; + chip->legacy.chip_delay = gpiomtd->plat.chip_delay; chip->legacy.cmd_ctrl = gpio_nand_cmd_ctrl; mtd = nand_to_mtd(chip); diff --git a/drivers/mtd/nand/raw/hisi504_nand.c b/drivers/mtd/nand/raw/hisi504_nand.c index fee7d63e8de8..f043938ee36b 100644 --- a/drivers/mtd/nand/raw/hisi504_nand.c +++ b/drivers/mtd/nand/raw/hisi504_nand.c @@ -787,7 +787,7 @@ static int hisi_nfc_probe(struct platform_device *pdev) chip->legacy.read_byte = hisi_nfc_read_byte; chip->legacy.write_buf = hisi_nfc_write_buf; chip->legacy.read_buf = hisi_nfc_read_buf; - chip->chip_delay = HINFC504_CHIP_DELAY; + chip->legacy.chip_delay = HINFC504_CHIP_DELAY; chip->legacy.set_features = nand_get_set_features_notsupp; chip->legacy.get_features = nand_get_set_features_notsupp; diff --git a/drivers/mtd/nand/raw/jz4740_nand.c b/drivers/mtd/nand/raw/jz4740_nand.c index 7a1b4c3ff6fd..fb59cfca11a7 100644 --- a/drivers/mtd/nand/raw/jz4740_nand.c +++ b/drivers/mtd/nand/raw/jz4740_nand.c @@ -425,7 +425,7 @@ static int jz_nand_probe(struct platform_device *pdev) chip->ecc.strength = 4; chip->ecc.options = NAND_ECC_GENERIC_ERASED_CHECK; - chip->chip_delay = 50; + chip->legacy.chip_delay = 50; chip->legacy.cmd_ctrl = jz_nand_cmd_ctrl; chip->select_chip = jz_nand_select_chip; chip->dummy_controller.ops = &jz_nand_controller_ops; diff --git a/drivers/mtd/nand/raw/jz4780_nand.c b/drivers/mtd/nand/raw/jz4780_nand.c index 2a960211b97d..cdf22100ab77 100644 --- a/drivers/mtd/nand/raw/jz4780_nand.c +++ b/drivers/mtd/nand/raw/jz4780_nand.c @@ -277,7 +277,7 @@ static int jz4780_nand_init_chip(struct platform_device *pdev, chip->legacy.IO_ADDR_R = cs->base + OFFSET_DATA; chip->legacy.IO_ADDR_W = cs->base + OFFSET_DATA; - chip->chip_delay = RB_DELAY_US; + chip->legacy.chip_delay = RB_DELAY_US; chip->options = NAND_NO_SUBPAGE_WRITE; chip->select_chip = jz4780_nand_select_chip; chip->legacy.cmd_ctrl = jz4780_nand_cmd_ctrl; diff --git a/drivers/mtd/nand/raw/lpc32xx_mlc.c b/drivers/mtd/nand/raw/lpc32xx_mlc.c index 8a1dfb7ee885..abbb655fe154 100644 --- a/drivers/mtd/nand/raw/lpc32xx_mlc.c +++ b/drivers/mtd/nand/raw/lpc32xx_mlc.c @@ -741,7 +741,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev) nand_chip->legacy.cmd_ctrl = lpc32xx_nand_cmd_ctrl; nand_chip->legacy.dev_ready = lpc32xx_nand_device_ready; - nand_chip->chip_delay = 25; /* us */ + nand_chip->legacy.chip_delay = 25; /* us */ nand_chip->legacy.IO_ADDR_R = MLC_DATA(host->io_base); nand_chip->legacy.IO_ADDR_W = MLC_DATA(host->io_base); diff --git a/drivers/mtd/nand/raw/lpc32xx_slc.c b/drivers/mtd/nand/raw/lpc32xx_slc.c index 75d62d6bed7b..f2f2cdbb9d04 100644 --- a/drivers/mtd/nand/raw/lpc32xx_slc.c +++ b/drivers/mtd/nand/raw/lpc32xx_slc.c @@ -882,7 +882,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev) chip->legacy.IO_ADDR_W = SLC_DATA(host->io_base); chip->legacy.cmd_ctrl = lpc32xx_nand_cmd_ctrl; chip->legacy.dev_ready = lpc32xx_nand_device_ready; - chip->chip_delay = 20; /* 20us command delay time */ + chip->legacy.chip_delay = 20; /* 20us command delay time */ /* Init NAND controller */ lpc32xx_nand_setup(host); diff --git a/drivers/mtd/nand/raw/mxc_nand.c b/drivers/mtd/nand/raw/mxc_nand.c index b8115100a0b8..88bd3f6a499c 100644 --- a/drivers/mtd/nand/raw/mxc_nand.c +++ b/drivers/mtd/nand/raw/mxc_nand.c @@ -1769,7 +1769,7 @@ static int mxcnd_probe(struct platform_device *pdev) mtd->name = DRIVER_NAME; /* 50 us command delay time */ - this->chip_delay = 5; + this->legacy.chip_delay = 5; nand_set_controller_data(this, host); nand_set_flash_node(this, pdev->dev.of_node), diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index d4a84a871fc7..2f8bbc3bca7a 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -827,7 +827,7 @@ static void nand_command(struct nand_chip *chip, unsigned int command, case NAND_CMD_RESET: if (chip->legacy.dev_ready) break; - udelay(chip->chip_delay); + udelay(chip->legacy.chip_delay); chip->legacy.cmd_ctrl(chip, NAND_CMD_STATUS, NAND_CTRL_CLE | NAND_CTRL_CHANGE); chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, @@ -853,7 +853,7 @@ static void nand_command(struct nand_chip *chip, unsigned int command, * command delay */ if (!chip->legacy.dev_ready) { - udelay(chip->chip_delay); + udelay(chip->legacy.chip_delay); return; } } @@ -964,7 +964,7 @@ static void nand_command_lp(struct nand_chip *chip, unsigned int command, case NAND_CMD_RESET: if (chip->legacy.dev_ready) break; - udelay(chip->chip_delay); + udelay(chip->legacy.chip_delay); chip->legacy.cmd_ctrl(chip, NAND_CMD_STATUS, NAND_NCE | NAND_CLE | NAND_CTRL_CHANGE); chip->legacy.cmd_ctrl(chip, NAND_CMD_NONE, @@ -1005,7 +1005,7 @@ static void nand_command_lp(struct nand_chip *chip, unsigned int command, * command delay. */ if (!chip->legacy.dev_ready) { - udelay(chip->chip_delay); + udelay(chip->legacy.chip_delay); return; } } @@ -2206,7 +2206,7 @@ static int nand_wait_rdy_op(struct nand_chip *chip, unsigned int timeout_ms, /* Apply delay or wait for ready/busy pin */ if (!chip->legacy.dev_ready) - udelay(chip->chip_delay); + udelay(chip->legacy.chip_delay); else nand_wait_ready(chip); @@ -4926,8 +4926,8 @@ static void nand_set_defaults(struct nand_chip *chip) unsigned int busw = chip->options & NAND_BUSWIDTH_16; /* check for proper chip_delay setup, set 20us if not */ - if (!chip->chip_delay) - chip->chip_delay = 20; + if (!chip->legacy.chip_delay) + chip->legacy.chip_delay = 20; /* check, if a user supplied command function given */ if (!chip->legacy.cmdfunc && !chip->exec_op) diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index ff0c372ee288..c452819f6123 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -656,7 +656,7 @@ static int __init init_nandsim(struct mtd_info *mtd) } /* Force mtd to not do delays */ - chip->chip_delay = 0; + chip->legacy.chip_delay = 0; /* Initialize the NAND flash parameters */ ns->busw = chip->options & NAND_BUSWIDTH_16 ? 16 : 8; diff --git a/drivers/mtd/nand/raw/ndfc.c b/drivers/mtd/nand/raw/ndfc.c index 19b4cb2d1c6e..d49a7a17146c 100644 --- a/drivers/mtd/nand/raw/ndfc.c +++ b/drivers/mtd/nand/raw/ndfc.c @@ -147,7 +147,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc, chip->legacy.cmd_ctrl = ndfc_hwcontrol; chip->legacy.dev_ready = ndfc_ready; chip->select_chip = ndfc_select_chip; - chip->chip_delay = 50; + chip->legacy.chip_delay = 50; chip->controller = &ndfc->ndfc_control; chip->legacy.read_buf = ndfc_read_buf; chip->legacy.write_buf = ndfc_write_buf; diff --git a/drivers/mtd/nand/raw/nuc900_nand.c b/drivers/mtd/nand/raw/nuc900_nand.c index 208b6de67510..38b1994e7ed3 100644 --- a/drivers/mtd/nand/raw/nuc900_nand.c +++ b/drivers/mtd/nand/raw/nuc900_nand.c @@ -177,7 +177,7 @@ static void nuc900_nand_command_lp(struct nand_chip *chip, case NAND_CMD_RESET: if (chip->legacy.dev_ready) break; - udelay(chip->chip_delay); + udelay(chip->legacy.chip_delay); write_cmd_reg(nand, NAND_CMD_STATUS); write_cmd_reg(nand, command); @@ -197,7 +197,7 @@ static void nuc900_nand_command_lp(struct nand_chip *chip, default: if (!chip->legacy.dev_ready) { - udelay(chip->chip_delay); + udelay(chip->legacy.chip_delay); return; } } @@ -259,7 +259,7 @@ static int nuc900_nand_probe(struct platform_device *pdev) chip->legacy.read_byte = nuc900_nand_read_byte; chip->legacy.write_buf = nuc900_nand_write_buf; chip->legacy.read_buf = nuc900_nand_read_buf; - chip->chip_delay = 50; + chip->legacy.chip_delay = 50; chip->options = 0; chip->ecc.mode = NAND_ECC_SOFT; chip->ecc.algo = NAND_ECC_HAMMING; diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c index 5e1e7ced0d9e..886d05c391ef 100644 --- a/drivers/mtd/nand/raw/omap2.c +++ b/drivers/mtd/nand/raw/omap2.c @@ -2248,10 +2248,10 @@ static int omap_nand_probe(struct platform_device *pdev) */ if (info->ready_gpiod) { nand_chip->legacy.dev_ready = omap_dev_ready; - nand_chip->chip_delay = 0; + nand_chip->legacy.chip_delay = 0; } else { nand_chip->legacy.waitfunc = omap_wait; - nand_chip->chip_delay = 50; + nand_chip->legacy.chip_delay = 50; } if (info->flash_bbt) diff --git a/drivers/mtd/nand/raw/orion_nand.c b/drivers/mtd/nand/raw/orion_nand.c index bf288c3c930b..d27b39a7223c 100644 --- a/drivers/mtd/nand/raw/orion_nand.c +++ b/drivers/mtd/nand/raw/orion_nand.c @@ -143,7 +143,7 @@ static int __init orion_nand_probe(struct platform_device *pdev) nc->ecc.algo = NAND_ECC_HAMMING; if (board->chip_delay) - nc->chip_delay = board->chip_delay; + nc->legacy.chip_delay = board->chip_delay; WARN(board->width > 16, "%d bit bus width out of range", diff --git a/drivers/mtd/nand/raw/oxnas_nand.c b/drivers/mtd/nand/raw/oxnas_nand.c index fb0ebb296f6c..0e52dc29141c 100644 --- a/drivers/mtd/nand/raw/oxnas_nand.c +++ b/drivers/mtd/nand/raw/oxnas_nand.c @@ -136,7 +136,7 @@ static int oxnas_nand_probe(struct platform_device *pdev) chip->legacy.read_buf = oxnas_nand_read_buf; chip->legacy.read_byte = oxnas_nand_read_byte; chip->legacy.write_buf = oxnas_nand_write_buf; - chip->chip_delay = 30; + chip->legacy.chip_delay = 30; /* Scan to find existence of the device */ err = nand_scan(chip, 1); diff --git a/drivers/mtd/nand/raw/pasemi_nand.c b/drivers/mtd/nand/raw/pasemi_nand.c index e9a4e82bfb34..643cd22af009 100644 --- a/drivers/mtd/nand/raw/pasemi_nand.c +++ b/drivers/mtd/nand/raw/pasemi_nand.c @@ -143,7 +143,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev) chip->legacy.dev_ready = pasemi_device_ready; chip->legacy.read_buf = pasemi_read_buf; chip->legacy.write_buf = pasemi_write_buf; - chip->chip_delay = 0; + chip->legacy.chip_delay = 0; chip->ecc.mode = NAND_ECC_SOFT; chip->ecc.algo = NAND_ECC_HAMMING; diff --git a/drivers/mtd/nand/raw/plat_nand.c b/drivers/mtd/nand/raw/plat_nand.c index 6cce01d09364..156c9150fec4 100644 --- a/drivers/mtd/nand/raw/plat_nand.c +++ b/drivers/mtd/nand/raw/plat_nand.c @@ -67,7 +67,7 @@ static int plat_nand_probe(struct platform_device *pdev) data->chip.select_chip = pdata->ctrl.select_chip; data->chip.legacy.write_buf = pdata->ctrl.write_buf; data->chip.legacy.read_buf = pdata->ctrl.read_buf; - data->chip.chip_delay = pdata->chip.chip_delay; + data->chip.legacy.chip_delay = pdata->chip.chip_delay; data->chip.options |= pdata->chip.options; data->chip.bbt_options |= pdata->chip.bbt_options; diff --git a/drivers/mtd/nand/raw/s3c2410.c b/drivers/mtd/nand/raw/s3c2410.c index 87b5162857f8..d2e42e9d0e8c 100644 --- a/drivers/mtd/nand/raw/s3c2410.c +++ b/drivers/mtd/nand/raw/s3c2410.c @@ -867,7 +867,7 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info, chip->legacy.write_buf = s3c2410_nand_write_buf; chip->legacy.read_buf = s3c2410_nand_read_buf; chip->select_chip = s3c2410_nand_select_chip; - chip->chip_delay = 50; + chip->legacy.chip_delay = 50; nand_set_controller_data(chip, nmtd); chip->options = set->options; chip->controller = &info->controller; diff --git a/drivers/mtd/nand/raw/sh_flctl.c b/drivers/mtd/nand/raw/sh_flctl.c index 40a4159924a7..c0c0798f268f 100644 --- a/drivers/mtd/nand/raw/sh_flctl.c +++ b/drivers/mtd/nand/raw/sh_flctl.c @@ -1178,7 +1178,7 @@ static int flctl_probe(struct platform_device *pdev) /* Set address of hardware control function */ /* 20 us command delay time */ - nand->chip_delay = 20; + nand->legacy.chip_delay = 20; nand->legacy.read_byte = flctl_read_byte; nand->legacy.write_buf = flctl_write_buf; diff --git a/drivers/mtd/nand/raw/sharpsl.c b/drivers/mtd/nand/raw/sharpsl.c index 3d14408cbbce..c82f26c8b58c 100644 --- a/drivers/mtd/nand/raw/sharpsl.c +++ b/drivers/mtd/nand/raw/sharpsl.c @@ -159,7 +159,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev) this->legacy.cmd_ctrl = sharpsl_nand_hwcontrol; this->legacy.dev_ready = sharpsl_nand_dev_ready; /* 15 us command delay time */ - this->chip_delay = 15; + this->legacy.chip_delay = 15; /* set eccmode using hardware ECC */ this->ecc.mode = NAND_ECC_HW; this->ecc.size = 256; diff --git a/drivers/mtd/nand/raw/socrates_nand.c b/drivers/mtd/nand/raw/socrates_nand.c index 604ef7508f14..8be9a50c7880 100644 --- a/drivers/mtd/nand/raw/socrates_nand.c +++ b/drivers/mtd/nand/raw/socrates_nand.c @@ -162,7 +162,7 @@ static int socrates_nand_probe(struct platform_device *ofdev) nand_chip->ecc.algo = NAND_ECC_HAMMING; /* TODO: I have no idea what real delay is. */ - nand_chip->chip_delay = 20; /* 20us command delay time */ + nand_chip->legacy.chip_delay = 20; /* 20us command delay time */ dev_set_drvdata(&ofdev->dev, host); diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c index 37e23aec4bce..51b1a548064b 100644 --- a/drivers/mtd/nand/raw/sunxi_nand.c +++ b/drivers/mtd/nand/raw/sunxi_nand.c @@ -1912,7 +1912,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc, nand = &chip->nand; /* Default tR value specified in the ONFI spec (chapter 4.15.1) */ - nand->chip_delay = 200; + nand->legacy.chip_delay = 200; nand->controller = &nfc->controller; nand->controller->ops = &sunxi_nand_controller_ops; diff --git a/drivers/mtd/nand/raw/tmio_nand.c b/drivers/mtd/nand/raw/tmio_nand.c index 7e49272ecef6..3297621241d2 100644 --- a/drivers/mtd/nand/raw/tmio_nand.c +++ b/drivers/mtd/nand/raw/tmio_nand.c @@ -422,7 +422,7 @@ static int tmio_probe(struct platform_device *dev) nand_chip->badblock_pattern = data->badblock_pattern; /* 15 us command delay time */ - nand_chip->chip_delay = 15; + nand_chip->legacy.chip_delay = 15; retval = devm_request_irq(&dev->dev, irq, &tmio_irq, 0, dev_name(&dev->dev), tmio); diff --git a/drivers/mtd/nand/raw/txx9ndfmc.c b/drivers/mtd/nand/raw/txx9ndfmc.c index 46cfb11c5502..3a99c8e3f944 100644 --- a/drivers/mtd/nand/raw/txx9ndfmc.c +++ b/drivers/mtd/nand/raw/txx9ndfmc.c @@ -334,7 +334,7 @@ static int __init txx9ndfmc_probe(struct platform_device *dev) chip->ecc.hwctl = txx9ndfmc_enable_hwecc; chip->ecc.mode = NAND_ECC_HW; chip->ecc.strength = 1; - chip->chip_delay = 100; + chip->legacy.chip_delay = 100; chip->controller = &drvdata->controller; nand_set_controller_data(chip, txx9_priv); diff --git a/drivers/mtd/nand/raw/xway_nand.c b/drivers/mtd/nand/raw/xway_nand.c index dcce487f6517..a234a5cb4868 100644 --- a/drivers/mtd/nand/raw/xway_nand.c +++ b/drivers/mtd/nand/raw/xway_nand.c @@ -180,7 +180,7 @@ static int xway_nand_probe(struct platform_device *pdev) data->chip.legacy.write_buf = xway_write_buf; data->chip.legacy.read_buf = xway_read_buf; data->chip.legacy.read_byte = xway_read_byte; - data->chip.chip_delay = 30; + data->chip.legacy.chip_delay = 30; data->chip.ecc.mode = NAND_ECC_SOFT; data->chip.ecc.algo = NAND_ECC_HAMMING; diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 02ac70a30c63..992d78d29674 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -1192,6 +1192,8 @@ int nand_op_parser_exec_op(struct nand_chip *chip, * @erase: erase function * @set_features: set the NAND chip features * @get_features: get the NAND chip features + * @chip_delay: chip dependent delay for transferring data from array to read + * regs (tR). * * If you look at this structure you're already wrong. These fields/hooks are * all deprecated. @@ -1215,6 +1217,7 @@ struct nand_legacy { u8 *subfeature_para); int (*get_features)(struct nand_chip *chip, int feature_addr, u8 *subfeature_para); + int chip_delay; }; /** @@ -1236,8 +1239,6 @@ struct nand_legacy { * @buf_align: minimum buffer alignment required by a platform * @dummy_controller: dummy controller implementation for drivers that can * only control a single chip - * @chip_delay: [BOARDSPECIFIC] chip dependent delay for transferring - * data from array to read regs (tR). * @state: [INTERN] the current state of the NAND device * @oob_poi: "poison value buffer," used for laying out OOB data * before writing @@ -1317,7 +1318,6 @@ struct nand_chip { int (*setup_data_interface)(struct nand_chip *chip, int chipnr, const struct nand_data_interface *conf); - int chip_delay; unsigned int options; unsigned int bbt_options;