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mtd: rawnand: Pass a nand_chip object to nand_scan()

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Let's make the raw NAND API consistent by patching all helpers to take
a nand_chip object instead of an mtd_info one.

We start with nand_scan().

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Boris Brezillon 2018-09-06 14:05:14 +02:00 committed by Miquel Raynal
parent 47bd59e538
commit 00ad378f30
52 changed files with 64 additions and 64 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/driver-api/mtdnand.rst
View File

@ -246,7 +246,7 @@ necessary information about the device.
this->eccmode = NAND_ECC_SOFT;
/* Scan to find existence of the device */
if (nand_scan (board_mtd, 1)) {
if (nand_scan (this, 1)) {
err = -ENXIO;
goto out_ior;
}

2
drivers/mtd/nand/raw/ams-delta.c
View File

@ -235,7 +235,7 @@ static int ams_delta_init(struct platform_device *pdev)
goto out_gpio;
/* Scan to find existence of the device */
err = nand_scan(ams_delta_mtd, 1);
err = nand_scan(this, 1);
if (err)
goto out_mtd;

2
drivers/mtd/nand/raw/atmel/nand-controller.c
View File

@ -1683,7 +1683,7 @@ atmel_nand_controller_add_nand(struct atmel_nand_controller *nc,
nc->caps->ops->nand_init(nc, nand);
ret = nand_scan(mtd, nand->numcs);
ret = nand_scan(chip, nand->numcs);
if (ret) {
dev_err(nc->dev, "NAND scan failed: %d\n", ret);
return ret;

2
drivers/mtd/nand/raw/au1550nd.c
View File

@ -451,7 +451,7 @@ static int au1550nd_probe(struct platform_device *pdev)
this->write_buf = (pd->devwidth) ? au_write_buf16 : au_write_buf;
this->read_buf = (pd->devwidth) ? au_read_buf16 : au_read_buf;
ret = nand_scan(mtd, 1);
ret = nand_scan(this, 1);
if (ret) {
dev_err(&pdev->dev, "NAND scan failed with %d\n", ret);
goto out3;

2
drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c
View File

@ -423,7 +423,7 @@ int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n)
(w4 << 24 | w3 << 18 | w2 << 12 | w1 << 6 | w0));
/* Scan NAND */
err = nand_scan(nand_to_mtd(&b47n->nand_chip), 1);
err = nand_scan(&b47n->nand_chip, 1);
if (err) {
pr_err("Could not scan NAND flash: %d\n", err);
goto exit;

2
drivers/mtd/nand/raw/brcmnand/brcmnand.c
View File

@ -2301,7 +2301,7 @@ static int brcmnand_init_cs(struct brcmnand_host *host, struct device_node *dn)
nand_writereg(ctrl, cfg_offs,
nand_readreg(ctrl, cfg_offs) & ~CFG_BUS_WIDTH);
ret = nand_scan(mtd, 1);
ret = nand_scan(chip, 1);
if (ret)
return ret;

2
drivers/mtd/nand/raw/cafe_nand.c
View File

@ -783,7 +783,7 @@ static int cafe_nand_probe(struct pci_dev *pdev,
/* Scan to find existence of the device */
cafe->nand.dummy_controller.ops = &cafe_nand_controller_ops;
err = nand_scan(mtd, 2);
err = nand_scan(&cafe->nand, 2);
if (err)
goto out_irq;

2
drivers/mtd/nand/raw/cmx270_nand.c
View File

@ -193,7 +193,7 @@ static int __init cmx270_init(void)
this->write_buf = cmx270_write_buf;
/* Scan to find existence of the device */
ret = nand_scan(cmx270_nand_mtd, 1);
ret = nand_scan(this, 1);
if (ret) {
pr_notice("No NAND device\n");
goto err_scan;

2
drivers/mtd/nand/raw/cs553x_nand.c
View File

@ -241,7 +241,7 @@ static int __init cs553x_init_one(int cs, int mmio, unsigned long adr)
}
/* Scan to find existence of the device */
err = nand_scan(new_mtd, 1);
err = nand_scan(this, 1);
if (err)
goto out_free;

2
drivers/mtd/nand/raw/davinci_nand.c
View File

@ -807,7 +807,7 @@ static int nand_davinci_probe(struct platform_device *pdev)
/* Scan to find existence of the device(s) */
info->chip.dummy_controller.ops = &davinci_nand_controller_ops;
ret = nand_scan(mtd, pdata->mask_chipsel ? 2 : 1);
ret = nand_scan(&info->chip, pdata->mask_chipsel ? 2 : 1);
if (ret < 0) {
dev_dbg(&pdev->dev, "no NAND chip(s) found\n");
return ret;

2
drivers/mtd/nand/raw/denali.c
View File

@ -1355,7 +1355,7 @@ int denali_init(struct denali_nand_info *denali)
chip->setup_data_interface = denali_setup_data_interface;
chip->dummy_controller.ops = &denali_controller_ops;
ret = nand_scan(mtd, denali->max_banks);
ret = nand_scan(chip, denali->max_banks);
if (ret)
goto disable_irq;

2
drivers/mtd/nand/raw/diskonchip.c
View File

@ -1620,7 +1620,7 @@ static int __init doc_probe(unsigned long physadr)
else
numchips = doc2001_init(mtd);
if ((ret = nand_scan(mtd, numchips)) || (ret = doc->late_init(mtd))) {
if ((ret = nand_scan(nand, numchips)) || (ret = doc->late_init(mtd))) {
/* DBB note: i believe nand_release is necessary here, as
buffers may have been allocated in nand_base. Check with
Thomas. FIX ME! */

2
drivers/mtd/nand/raw/docg4.c
View File

@ -1391,7 +1391,7 @@ static int __init probe_docg4(struct platform_device *pdev)
* ->attach_chip callback.
*/
nand->dummy_controller.ops = &docg4_controller_ops;
retval = nand_scan(mtd, 0);
retval = nand_scan(nand, 0);
if (retval)
goto free_nand;

2
drivers/mtd/nand/raw/fsl_elbc_nand.c
View File

@ -915,7 +915,7 @@ static int fsl_elbc_nand_probe(struct platform_device *pdev)
goto err;
priv->chip.controller->ops = &fsl_elbc_controller_ops;
ret = nand_scan(mtd, 1);
ret = nand_scan(&priv->chip, 1);
if (ret)
goto err;

2
drivers/mtd/nand/raw/fsl_ifc_nand.c
View File

@ -1079,7 +1079,7 @@ static int fsl_ifc_nand_probe(struct platform_device *dev)
goto err;
priv->chip.controller->ops = &fsl_ifc_controller_ops;
ret = nand_scan(mtd, 1);
ret = nand_scan(&priv->chip, 1);
if (ret)
goto err;

2
drivers/mtd/nand/raw/fsl_upm.c
View File

@ -191,7 +191,7 @@ static int fun_chip_init(struct fsl_upm_nand *fun,
goto err;
}
ret = nand_scan(mtd, fun->mchip_count);
ret = nand_scan(&fun->chip, fun->mchip_count);
if (ret)
goto err;

2
drivers/mtd/nand/raw/fsmc_nand.c
View File

@ -1125,7 +1125,7 @@ static int __init fsmc_nand_probe(struct platform_device *pdev)
* Scan to find existence of the device
*/
nand->dummy_controller.ops = &fsmc_nand_controller_ops;
ret = nand_scan(mtd, 1);
ret = nand_scan(nand, 1);
if (ret)
goto release_dma_write_chan;

2
drivers/mtd/nand/raw/gpio.c
View File

@ -289,7 +289,7 @@ static int gpio_nand_probe(struct platform_device *pdev)
if (gpiomtd->nwp && !IS_ERR(gpiomtd->nwp))
gpiod_direction_output(gpiomtd->nwp, 1);
ret = nand_scan(mtd, 1);
ret = nand_scan(chip, 1);
if (ret)
goto err_wp;

2
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
View File

@ -1934,7 +1934,7 @@ static int gpmi_nand_init(struct gpmi_nand_data *this)
goto err_out;
chip->dummy_controller.ops = &gpmi_nand_controller_ops;
ret = nand_scan(mtd, GPMI_IS_MX6(this) ? 2 : 1);
ret = nand_scan(chip, GPMI_IS_MX6(this) ? 2 : 1);
if (ret)
goto err_out;

2
drivers/mtd/nand/raw/hisi504_nand.c
View File

@ -801,7 +801,7 @@ static int hisi_nfc_probe(struct platform_device *pdev)
}
chip->dummy_controller.ops = &hisi_nfc_controller_ops;
ret = nand_scan(mtd, max_chips);
ret = nand_scan(chip, max_chips);
if (ret)
return ret;

2
drivers/mtd/nand/raw/jz4740_nand.c
View File

@ -331,7 +331,7 @@ static int jz_nand_detect_bank(struct platform_device *pdev,
if (chipnr == 0) {
/* Detect first chip. */
ret = nand_scan(mtd, 1);
ret = nand_scan(chip, 1);
if (ret)
goto notfound_id;

2
drivers/mtd/nand/raw/jz4780_nand.c
View File

@ -286,7 +286,7 @@ static int jz4780_nand_init_chip(struct platform_device *pdev,
nand_set_flash_node(chip, np);
chip->controller->ops = &jz4780_nand_controller_ops;
ret = nand_scan(mtd, 1);
ret = nand_scan(chip, 1);
if (ret)
return ret;

2
drivers/mtd/nand/raw/lpc32xx_mlc.c
View File

@ -802,7 +802,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
* SMALL block or LARGE block.
*/
nand_chip->dummy_controller.ops = &lpc32xx_nand_controller_ops;
res = nand_scan(mtd, 1);
res = nand_scan(nand_chip, 1);
if (res)
goto free_irq;

2
drivers/mtd/nand/raw/lpc32xx_slc.c
View File

@ -925,7 +925,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
/* Find NAND device */
chip->dummy_controller.ops = &lpc32xx_nand_controller_ops;
res = nand_scan(mtd, 1);
res = nand_scan(chip, 1);
if (res)
goto release_dma;

2
drivers/mtd/nand/raw/marvell_nand.c
View File

@ -2605,7 +2605,7 @@ static int marvell_nand_chip_init(struct device *dev, struct marvell_nfc *nfc,
chip->options |= NAND_BUSWIDTH_AUTO;
ret = nand_scan(mtd, marvell_nand->nsels);
ret = nand_scan(chip, marvell_nand->nsels);
if (ret) {
dev_err(dev, "could not scan the nand chip\n");
return ret;

2
drivers/mtd/nand/raw/mpc5121_nfc.c
View File

@ -767,7 +767,7 @@ static int mpc5121_nfc_probe(struct platform_device *op)
}
/* Detect NAND chips */
retval = nand_scan(mtd, be32_to_cpup(chips_no));
retval = nand_scan(chip, be32_to_cpup(chips_no));
if (retval) {
dev_err(dev, "NAND Flash not found !\n");
goto error;

2
drivers/mtd/nand/raw/mtk_nand.c
View File

@ -1365,7 +1365,7 @@ static int mtk_nfc_nand_chip_init(struct device *dev, struct mtk_nfc *nfc,
mtk_nfc_hw_init(nfc);
ret = nand_scan(mtd, nsels);
ret = nand_scan(nand, nsels);
if (ret)
return ret;

2
drivers/mtd/nand/raw/mxc_nand.c
View File

@ -1887,7 +1887,7 @@ static int mxcnd_probe(struct platform_device *pdev)
/* Scan the NAND device */
this->dummy_controller.ops = &mxcnd_controller_ops;
err = nand_scan(mtd, is_imx25_nfc(host) ? 4 : 1);
err = nand_scan(this, is_imx25_nfc(host) ? 4 : 1);
if (err)
goto escan;

21
drivers/mtd/nand/raw/nand_base.c
View File

@ -5960,7 +5960,7 @@ static int nand_dt_init(struct nand_chip *chip)
/**
* nand_scan_ident - Scan for the NAND device
* @mtd: MTD device structure
* @chip: NAND chip object
* @maxchips: number of chips to scan for
* @table: alternative NAND ID table
*
@ -5972,11 +5972,11 @@ static int nand_dt_init(struct nand_chip *chip)
* prevented dynamic allocations during this phase which was unconvenient and
* as been banned for the benefit of the ->init_ecc()/cleanup_ecc() hooks.
*/
static int nand_scan_ident(struct mtd_info *mtd, int maxchips,
static int nand_scan_ident(struct nand_chip *chip, int maxchips,
struct nand_flash_dev *table)
{
struct mtd_info *mtd = nand_to_mtd(chip);
int i, nand_maf_id, nand_dev_id;
struct nand_chip *chip = mtd_to_nand(mtd);
int ret;
/* Enforce the right timings for reset/detection */
@ -6430,15 +6430,15 @@ static bool nand_ecc_strength_good(struct mtd_info *mtd)
/**
* nand_scan_tail - Scan for the NAND device
* @mtd: MTD device structure
* @chip: NAND chip object
*
* This is the second phase of the normal nand_scan() function. It fills out
* all the uninitialized function pointers with the defaults and scans for a
* bad block table if appropriate.
*/
static int nand_scan_tail(struct mtd_info *mtd)
static int nand_scan_tail(struct nand_chip *chip)
{
struct nand_chip *chip = mtd_to_nand(mtd);
struct mtd_info *mtd = nand_to_mtd(chip);
struct nand_ecc_ctrl *ecc = &chip->ecc;
int ret, i;
@ -6777,7 +6777,7 @@ static void nand_detach(struct nand_chip *chip)
/**
* nand_scan_with_ids - [NAND Interface] Scan for the NAND device
* @mtd: MTD device structure
* @chip: NAND chip object
* @maxchips: number of chips to scan for. @nand_scan_ident() will not be run if
* this parameter is zero (useful for specific drivers that must
* handle this part of the process themselves, e.g docg4).
@ -6787,14 +6787,13 @@ static void nand_detach(struct nand_chip *chip)
* The flash ID is read and the mtd/chip structures are filled with the
* appropriate values.
*/
int nand_scan_with_ids(struct mtd_info *mtd, int maxchips,
int nand_scan_with_ids(struct nand_chip *chip, int maxchips,
struct nand_flash_dev *ids)
{
struct nand_chip *chip = mtd_to_nand(mtd);
int ret;
if (maxchips) {
ret = nand_scan_ident(mtd, maxchips, ids);
ret = nand_scan_ident(chip, maxchips, ids);
if (ret)
return ret;
}
@ -6803,7 +6802,7 @@ int nand_scan_with_ids(struct mtd_info *mtd, int maxchips,
if (ret)
goto cleanup_ident;
ret = nand_scan_tail(mtd);
ret = nand_scan_tail(chip);
if (ret)
goto detach_chip;

2
drivers/mtd/nand/raw/nandsim.c
View File

@ -2309,7 +2309,7 @@ static int __init ns_init_module(void)
goto error;
chip->dummy_controller.ops = &ns_controller_ops;
retval = nand_scan(nsmtd, 1);
retval = nand_scan(chip, 1);
if (retval) {
NS_ERR("Could not scan NAND Simulator device\n");
goto error;

2
drivers/mtd/nand/raw/ndfc.c
View File

@ -181,7 +181,7 @@ static int ndfc_chip_init(struct ndfc_controller *ndfc,
goto err;
}
ret = nand_scan(mtd, 1);
ret = nand_scan(chip, 1);
if (ret)
goto err;

2
drivers/mtd/nand/raw/nuc900_nand.c
View File

@ -270,7 +270,7 @@ static int nuc900_nand_probe(struct platform_device *pdev)
nuc900_nand_enable(nuc900_nand);
if (nand_scan(mtd, 1))
if (nand_scan(chip, 1))
return -ENXIO;
mtd_device_register(mtd, partitions, ARRAY_SIZE(partitions));

2
drivers/mtd/nand/raw/omap2.c
View File

@ -2254,7 +2254,7 @@ static int omap_nand_probe(struct platform_device *pdev)
/* scan NAND device connected to chip controller */
nand_chip->options |= info->devsize & NAND_BUSWIDTH_16;
err = nand_scan(mtd, 1);
err = nand_scan(nand_chip, 1);
if (err)
goto return_error;

2
drivers/mtd/nand/raw/orion_nand.c
View File

@ -174,7 +174,7 @@ static int __init orion_nand_probe(struct platform_device *pdev)
return ret;
}
ret = nand_scan(mtd, 1);
ret = nand_scan(nc, 1);
if (ret)
goto no_dev;

2
drivers/mtd/nand/raw/oxnas_nand.c
View File

@ -142,7 +142,7 @@ static int oxnas_nand_probe(struct platform_device *pdev)
chip->chip_delay = 30;
/* Scan to find existence of the device */
err = nand_scan(mtd, 1);
err = nand_scan(chip, 1);
if (err)
goto err_clk_unprepare;

2
drivers/mtd/nand/raw/pasemi_nand.c
View File

@ -156,7 +156,7 @@ static int pasemi_nand_probe(struct platform_device *ofdev)
chip->bbt_options = NAND_BBT_USE_FLASH;
/* Scan to find existence of the device */
err = nand_scan(pasemi_nand_mtd, 1);
err = nand_scan(chip, 1);
if (err)
goto out_lpc;

2
drivers/mtd/nand/raw/plat_nand.c
View File

@ -131,7 +131,7 @@ static int plat_nand_probe(struct platform_device *pdev)
}
/* Scan to find existence of the device */
err = nand_scan(mtd, pdata->chip.nr_chips);
err = nand_scan(&data->chip, pdata->chip.nr_chips);
if (err)
goto out;

2
drivers/mtd/nand/raw/qcom_nandc.c
View File

@ -2834,7 +2834,7 @@ static int qcom_nand_host_init_and_register(struct qcom_nand_controller *nandc,
/* set up initial status value */
host->status = NAND_STATUS_READY | NAND_STATUS_WP;
ret = nand_scan(mtd, 1);
ret = nand_scan(chip, 1);
if (ret)
return ret;

2
drivers/mtd/nand/raw/s3c2410.c
View File

@ -1170,7 +1170,7 @@ static int s3c24xx_nand_probe(struct platform_device *pdev)
mtd->dev.parent = &pdev->dev;
s3c2410_nand_init_chip(info, nmtd, sets);
err = nand_scan(mtd, sets ? sets->nr_chips : 1);
err = nand_scan(&nmtd->chip, sets ? sets->nr_chips : 1);
if (err)
goto exit_error;

2
drivers/mtd/nand/raw/sh_flctl.c
View File

@ -1193,7 +1193,7 @@ static int flctl_probe(struct platform_device *pdev)
flctl_setup_dma(flctl);
nand->dummy_controller.ops = &flctl_nand_controller_ops;
ret = nand_scan(flctl_mtd, 1);
ret = nand_scan(nand, 1);
if (ret)
goto err_chip;

2
drivers/mtd/nand/raw/sharpsl.c
View File

@ -171,7 +171,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev)
this->ecc.correct = nand_correct_data;
/* Scan to find existence of the device */
err = nand_scan(mtd, 1);
err = nand_scan(this, 1);
if (err)
goto err_scan;

2
drivers/mtd/nand/raw/sm_common.c
View File

@ -195,7 +195,7 @@ int sm_register_device(struct mtd_info *mtd, int smartmedia)
/* Scan for card properties */
chip->dummy_controller.ops = &sm_controller_ops;
flash_ids = smartmedia ? nand_smartmedia_flash_ids : nand_xd_flash_ids;
ret = nand_scan_with_ids(mtd, 1, flash_ids);
ret = nand_scan_with_ids(chip, 1, flash_ids);
if (ret)
return ret;

2
drivers/mtd/nand/raw/socrates_nand.c
View File

@ -173,7 +173,7 @@ static int socrates_nand_probe(struct platform_device *ofdev)
dev_set_drvdata(&ofdev->dev, host);
res = nand_scan(mtd, 1);
res = nand_scan(nand_chip, 1);
if (res)
goto out;

2
drivers/mtd/nand/raw/sunxi_nand.c
View File

@ -1940,7 +1940,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
mtd = nand_to_mtd(nand);
mtd->dev.parent = dev;
ret = nand_scan(mtd, nsels);
ret = nand_scan(nand, nsels);
if (ret)
return ret;

2
drivers/mtd/nand/raw/tango_nand.c
View File

@ -588,7 +588,7 @@ static int chip_init(struct device *dev, struct device_node *np)
mtd_set_ooblayout(mtd, &tango_nand_ooblayout_ops);
mtd->dev.parent = dev;
err = nand_scan(mtd, 1);
err = nand_scan(chip, 1);
if (err)
return err;

2
drivers/mtd/nand/raw/tegra_nand.c
View File

@ -1119,7 +1119,7 @@ static int tegra_nand_chips_init(struct device *dev,
chip->select_chip = tegra_nand_select_chip;
chip->setup_data_interface = tegra_nand_setup_data_interface;
ret = nand_scan(mtd, 1);
ret = nand_scan(chip, 1);
if (ret)
return ret;

2
drivers/mtd/nand/raw/tmio_nand.c
View File

@ -436,7 +436,7 @@ static int tmio_probe(struct platform_device *dev)
nand_chip->waitfunc = tmio_nand_wait;
/* Scan to find existence of the device */
retval = nand_scan(mtd, 1);
retval = nand_scan(nand_chip, 1);
if (retval)
goto err_irq;

2
drivers/mtd/nand/raw/txx9ndfmc.c
View File

@ -359,7 +359,7 @@ static int __init txx9ndfmc_probe(struct platform_device *dev)
if (plat->wide_mask & (1 << i))
chip->options |= NAND_BUSWIDTH_16;
if (nand_scan(mtd, 1)) {
if (nand_scan(chip, 1)) {
kfree(txx9_priv->mtdname);
kfree(txx9_priv);
continue;

2
drivers/mtd/nand/raw/vf610_nfc.c
View File

@ -892,7 +892,7 @@ static int vf610_nfc_probe(struct platform_device *pdev)
/* Scan the NAND chip */
chip->dummy_controller.ops = &vf610_nfc_controller_ops;
err = nand_scan(mtd, 1);
err = nand_scan(chip, 1);
if (err)
goto err_disable_clk;

2
drivers/mtd/nand/raw/xway_nand.c
View File

@ -205,7 +205,7 @@ static int xway_nand_probe(struct platform_device *pdev)
| cs_flag, EBU_NAND_CON);
/* Scan to find existence of the device */
err = nand_scan(mtd, 1);
err = nand_scan(&data->chip, 1);
if (err)
return err;

2
drivers/staging/mt29f_spinand/mt29f_spinand.c
View File

@ -934,7 +934,7 @@ static int spinand_probe(struct spi_device *spi_nand)
mtd_set_ooblayout(mtd, &spinand_oob_64_ops);
#endif
if (nand_scan(mtd, 1))
if (nand_scan(chip, 1))
return -ENXIO;
return mtd_device_register(mtd, NULL, 0);

7
include/linux/mtd/rawnand.h
View File

@ -24,15 +24,16 @@
#include <linux/of.h>
#include <linux/types.h>
struct nand_chip;
struct nand_flash_dev;
/* Scan and identify a NAND device */
int nand_scan_with_ids(struct mtd_info *mtd, int max_chips,
int nand_scan_with_ids(struct nand_chip *chip, int max_chips,
struct nand_flash_dev *ids);
static inline int nand_scan(struct mtd_info *mtd, int max_chips)
static inline int nand_scan(struct nand_chip *chip, int max_chips)
{
return nand_scan_with_ids(mtd, max_chips, NULL);
return nand_scan_with_ids(chip, max_chips, NULL);
}
/* Internal helper for board drivers which need to override command function */