Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753220AbbKAWcx (ORCPT ); Sun, 1 Nov 2015 17:32:53 -0500 Received: from down.free-electrons.com ([37.187.137.238]:38068 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753005AbbKAWcw (ORCPT ); Sun, 1 Nov 2015 17:32:52 -0500 Date: Sun, 1 Nov 2015 23:32:37 +0100 From: Boris Brezillon To: Brian Norris Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, Ezequiel Garcia , Marek Vasut , Scott Wood , Josh Wu , Robert Jarzmik , Kyungmin Park , Han Xu Subject: Re: [PATCH v2 06/11] mtd: nand: drop unnecessary partition parser data Message-ID: <20151101233237.21155d9e@bbrezillon> In-Reply-To: <1446262410-45754-7-git-send-email-computersforpeace@gmail.com> References: <1446262410-45754-1-git-send-email-computersforpeace@gmail.com> <1446262410-45754-7-git-send-email-computersforpeace@gmail.com> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.27; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 13777 Lines: 334 On Fri, 30 Oct 2015 20:33:25 -0700 Brian Norris wrote: > All of these drivers set up a parser data struct just to communicate DT > partition data. This field has been deprecated and is instead supported > by telling nand_scan_ident() about the 'flash_node'. > > This patch: > * sets chip->flash_node for those drivers that didn't already (but used > OF partitioning) > * drops the parser data > * switches to the simpler mtd_device_register() where possible, now > that we've eliminated one of the auxiliary parameters > > Now that we've assigned chip->flash_node for these drivers, we can > probably rely on nand_dt_init() to do more of the DT parsing for us, but > for now, I don't want to fiddle with each of these drivers. The parsing > is done in duplicate for now on some drivers. I don't think this should > break things. (Famous last words.) > > Signed-off-by: Brian Norris > Acked-by: Boris Brezillon > --- > v2: fix compile errors, use new helpers to set the DT node > > drivers/mtd/nand/atmel_nand.c | 7 +++---- > drivers/mtd/nand/brcmnand/brcmnand.c | 3 +-- > drivers/mtd/nand/davinci_nand.c | 10 +++------- > drivers/mtd/nand/fsl_elbc_nand.c | 5 ++--- > drivers/mtd/nand/fsl_ifc_nand.c | 5 ++--- > drivers/mtd/nand/fsl_upm.c | 5 ++--- > drivers/mtd/nand/fsmc_nand.c | 7 +++---- > drivers/mtd/nand/gpio.c | 8 +++----- > drivers/mtd/nand/gpmi-nand/gpmi-nand.c | 5 ++--- > drivers/mtd/nand/hisi504_nand.c | 5 ++--- > drivers/mtd/nand/lpc32xx_mlc.c | 7 +++---- > drivers/mtd/nand/lpc32xx_slc.c | 7 +++---- > drivers/mtd/nand/mpc5121_nfc.c | 5 ++--- > drivers/mtd/nand/mxc_nand.c | 5 ++--- > drivers/mtd/nand/ndfc.c | 5 ++--- > drivers/mtd/nand/omap2.c | 6 ++---- > drivers/mtd/nand/orion_nand.c | 6 ++---- > drivers/mtd/nand/plat_nand.c | 5 ++--- > drivers/mtd/nand/pxa3xx_nand.c | 10 +++++----- > drivers/mtd/nand/sh_flctl.c | 6 ++---- > drivers/mtd/nand/socrates_nand.c | 5 ++--- > drivers/mtd/nand/sunxi_nand.c | 4 +--- > drivers/mtd/nand/vf610_nfc.c | 6 +----- > drivers/staging/mt29f_spinand/mt29f_spinand.c | 5 ++--- > 24 files changed, 54 insertions(+), 88 deletions(-) > > diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c > index 583cdd9bb971..6ecc1c1ab437 100644 > --- a/drivers/mtd/nand/atmel_nand.c > +++ b/drivers/mtd/nand/atmel_nand.c > @@ -2093,7 +2093,6 @@ static int atmel_nand_probe(struct platform_device *pdev) > struct mtd_info *mtd; > struct nand_chip *nand_chip; > struct resource *mem; > - struct mtd_part_parser_data ppdata = {}; > int res, irq; > > /* Allocate memory for the device structure (and zero it) */ > @@ -2117,6 +2116,7 @@ static int atmel_nand_probe(struct platform_device *pdev) > nand_chip = &host->nand_chip; > host->dev = &pdev->dev; > if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) { > + nand_set_flash_node(nand_chip, pdev->dev.of_node); > /* Only when CONFIG_OF is enabled of_node can be parsed */ > res = atmel_of_init_port(host, pdev->dev.of_node); > if (res) > @@ -2259,9 +2259,8 @@ static int atmel_nand_probe(struct platform_device *pdev) > } > > mtd->name = "atmel_nand"; > - ppdata.of_node = pdev->dev.of_node; > - res = mtd_device_parse_register(mtd, NULL, &ppdata, > - host->board.parts, host->board.num_parts); > + res = mtd_device_register(mtd, host->board.parts, > + host->board.num_parts); > if (!res) > return res; > > diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c > index 7bd4102fde42..a37659de025c 100644 > --- a/drivers/mtd/nand/brcmnand/brcmnand.c > +++ b/drivers/mtd/nand/brcmnand/brcmnand.c > @@ -1914,7 +1914,6 @@ static int brcmnand_init_cs(struct brcmnand_host *host) > struct nand_chip *chip; > int ret; > u16 cfg_offs; > - struct mtd_part_parser_data ppdata = { .of_node = dn }; > > ret = of_property_read_u32(dn, "reg", &host->cs); > if (ret) { > @@ -1993,7 +1992,7 @@ static int brcmnand_init_cs(struct brcmnand_host *host) > if (nand_scan_tail(mtd)) > return -ENXIO; > > - return mtd_device_parse_register(mtd, NULL, &ppdata, NULL, 0); > + return mtd_device_register(mtd, NULL, 0); > } > > static void brcmnand_save_restore_cs_config(struct brcmnand_host *host, > diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c > index c72313d66cf6..8e351af31e53 100644 > --- a/drivers/mtd/nand/davinci_nand.c > +++ b/drivers/mtd/nand/davinci_nand.c > @@ -684,6 +684,7 @@ static int nand_davinci_probe(struct platform_device *pdev) > > info->mtd.priv = &info->chip; > info->mtd.dev.parent = &pdev->dev; > + nand_set_flash_node(&info->chip, pdev->dev.of_node); > > info->chip.IO_ADDR_R = vaddr; > info->chip.IO_ADDR_W = vaddr; > @@ -839,13 +840,8 @@ syndrome_done: > if (pdata->parts) > ret = mtd_device_parse_register(&info->mtd, NULL, NULL, > pdata->parts, pdata->nr_parts); > - else { > - struct mtd_part_parser_data ppdata; > - > - ppdata.of_node = pdev->dev.of_node; > - ret = mtd_device_parse_register(&info->mtd, NULL, &ppdata, > - NULL, 0); > - } > + else > + ret = mtd_device_register(&info->mtd, NULL, 0); > if (ret < 0) > goto err; > > diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c > index dcb1f7f4873f..850546dc98c8 100644 > --- a/drivers/mtd/nand/fsl_elbc_nand.c > +++ b/drivers/mtd/nand/fsl_elbc_nand.c > @@ -748,6 +748,7 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) > /* Fill in fsl_elbc_mtd structure */ > priv->mtd.priv = chip; > priv->mtd.dev.parent = priv->dev; > + chip->flash_node = priv->dev->of_node; Shouldn't we use the nand_set_flash_node() helper here? Here is a diff replacing all 'chip->flash_node =' occurrences by nand_set_flash_node(): ---->8---- diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index 850546d..bd6d493 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -748,7 +748,7 @@ static int fsl_elbc_chip_init(struct fsl_elbc_mtd *priv) /* Fill in fsl_elbc_mtd structure */ priv->mtd.priv = chip; priv->mtd.dev.parent = priv->dev; - chip->flash_node = priv->dev->of_node; + nand_set_flash_node(chip, priv->dev->of_node); /* set timeout to maximum */ priv->fmr = 15 << FMR_CWTO_SHIFT; diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 8ae2a23..f260831 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -883,7 +883,7 @@ static int fsl_ifc_chip_init(struct fsl_ifc_mtd *priv) /* Fill in fsl_ifc_mtd structure */ priv->mtd.priv = chip; priv->mtd.dev.parent = priv->dev; - chip->flash_node = priv->dev->of_node; + nand_set_flash_node(chip, priv->dev->of_node); /* fill in nand_chip structure */ /* set up function call table */ diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c index ffe416c..b3f4a01 100644 --- a/drivers/mtd/nand/fsl_upm.c +++ b/drivers/mtd/nand/fsl_upm.c @@ -181,7 +181,7 @@ static int fun_chip_init(struct fsl_upm_nand *fun, if (!flash_np) return -ENODEV; - fun->chip.flash_node = flash_np; + nand_set_flash_node(&fun->chip, flash_np); fun->mtd.name = kasprintf(GFP_KERNEL, "0x%llx.%s", (u64)io_res->start, flash_np->name); if (!fun->mtd.name) { diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c index 289a48c..d57a07a 100644 --- a/drivers/mtd/nand/gpio.c +++ b/drivers/mtd/nand/gpio.c @@ -267,7 +267,7 @@ static int gpio_nand_probe(struct platform_device *pdev) chip->dev_ready = gpio_nand_devready; } - chip->flash_node = pdev->dev.of_node; + nand_set_flash_node(chip, pdev->dev.of_node); chip->IO_ADDR_W = chip->IO_ADDR_R; chip->ecc.mode = NAND_ECC_SOFT; chip->options = gpiomtd->plat.options; diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c index 90e49cc..5a9b696 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c @@ -1900,7 +1900,7 @@ static int gpmi_nand_init(struct gpmi_nand_data *this) /* init the nand_chip{}, we don't support a 16-bit NAND Flash bus. */ chip->priv = this; - chip->flash_node = this->pdev->dev.of_node; + nand_set_flash_node(chip, this->pdev->dev.of_node); chip->select_chip = gpmi_select_chip; chip->cmd_ctrl = gpmi_cmd_ctrl; chip->dev_ready = gpmi_dev_ready; diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c index 3ccad8c..57c4b71 100644 --- a/drivers/mtd/nand/lpc32xx_mlc.c +++ b/drivers/mtd/nand/lpc32xx_mlc.c @@ -681,7 +681,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev) host->pdata = dev_get_platdata(&pdev->dev); nand_chip->priv = host; /* link the private data structures */ - nand_chip->flash_node = pdev->dev.of_node; + nand_set_flash_node(nand_chip, pdev->dev.of_node); mtd->priv = nand_chip; mtd->dev.parent = &pdev->dev; diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c index 9cb8206..277626e 100644 --- a/drivers/mtd/nand/lpc32xx_slc.c +++ b/drivers/mtd/nand/lpc32xx_slc.c @@ -802,7 +802,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev) mtd = &host->mtd; chip = &host->nand_chip; chip->priv = host; - chip->flash_node = pdev->dev.of_node; + nand_set_flash_node(chip, pdev->dev.of_node); mtd->priv = chip; mtd->owner = THIS_MODULE; mtd->dev.parent = &pdev->dev; diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 0fc4f3a..7922d31 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -1524,7 +1524,7 @@ static int mxcnd_probe(struct platform_device *pdev) this->chip_delay = 5; this->priv = host; - this->flash_node = pdev->dev.of_node, + nand_set_flash_node(this, pdev->dev.of_node), this->dev_ready = mxc_nand_dev_ready; this->cmdfunc = mxc_nand_command; this->read_byte = mxc_nand_read_byte; diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index 33718dc..e307576 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1687,7 +1687,7 @@ static int omap_nand_probe(struct platform_device *pdev) mtd->dev.parent = &pdev->dev; nand_chip = &info->nand; nand_chip->ecc.priv = NULL; - nand_chip->flash_node = pdata->of_node; + nand_set_flash_node(nand_chip, pdata->of_node); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); nand_chip->IO_ADDR_R = devm_ioremap_resource(&pdev->dev, res); diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c index 0728ddc..5c21416 100644 --- a/drivers/mtd/nand/orion_nand.c +++ b/drivers/mtd/nand/orion_nand.c @@ -126,7 +126,7 @@ static int __init orion_nand_probe(struct platform_device *pdev) mtd->dev.parent = &pdev->dev; nc->priv = board; - nc->flash_node = pdev->dev.of_node; + nand_set_flash_node(nc, pdev->dev.of_node); nc->IO_ADDR_R = nc->IO_ADDR_W = io_base; nc->cmd_ctrl = orion_nand_cmd_ctrl; nc->read_buf = orion_nand_read_buf; diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c index 034becc..06ac6c6 100644 --- a/drivers/mtd/nand/plat_nand.c +++ b/drivers/mtd/nand/plat_nand.c @@ -57,7 +57,7 @@ static int plat_nand_probe(struct platform_device *pdev) return PTR_ERR(data->io_base); data->chip.priv = &data; - data->chip.flash_node = pdev->dev.of_node; + nand_set_flash_node(&data->chip, pdev->dev.of_node); data->mtd.priv = &data->chip; data->mtd.dev.parent = &pdev->dev; diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c index ec2ade9..57dc525 100644 --- a/drivers/mtd/nand/sh_flctl.c +++ b/drivers/mtd/nand/sh_flctl.c @@ -1122,7 +1122,7 @@ static int flctl_probe(struct platform_device *pdev) platform_set_drvdata(pdev, flctl); flctl_mtd = &flctl->mtd; nand = &flctl->chip; - nand->flash_node = pdev->dev.of_node; + nand_set_flash_node(nand, pdev->dev.of_node); flctl_mtd->priv = nand; flctl_mtd->dev.parent = &pdev->dev; flctl->pdev = pdev; diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c index f935985..bde4043 100644 --- a/drivers/mtd/nand/socrates_nand.c +++ b/drivers/mtd/nand/socrates_nand.c @@ -164,7 +164,7 @@ static int socrates_nand_probe(struct platform_device *ofdev) host->dev = &ofdev->dev; nand_chip->priv = host; /* link the private data structures */ - nand_chip->flash_node = ofdev->dev.of_node; + nand_set_flash_node(nand_chip, ofdev->dev.of_node); mtd->priv = nand_chip; mtd->name = "socrates_nand"; mtd->dev.parent = &ofdev->dev; diff --git a/drivers/staging/mt29f_spinand/mt29f_spinand.c b/drivers/staging/mt29f_spinand/mt29f_spinand.c index bd9b5b0..49807de 100644 --- a/drivers/staging/mt29f_spinand/mt29f_spinand.c +++ b/drivers/staging/mt29f_spinand/mt29f_spinand.c @@ -896,7 +896,7 @@ static int spinand_probe(struct spi_device *spi_nand) pr_info("%s: disable ecc failed!\n", __func__); #endif - chip->flash_node = spi_nand->dev.of_node; + nand_set_flash_node(chip, spi_nand->dev.of_node); chip->priv = info; chip->read_buf = spinand_read_buf; chip->write_buf = spinand_write_buf; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/