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https://github.com/openwrt/openwrt.git
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196 lines
6.4 KiB
Diff
196 lines
6.4 KiB
Diff
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From 004b5e6031f4e9fd90d565fb213b74cd06d03718 Mon Sep 17 00:00:00 2001
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From: Brian Norris <computersforpeace@gmail.com>
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Date: Fri, 30 Oct 2015 20:33:28 -0700
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Subject: [PATCH] mtd: drop unnecessary partition parser data
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We should assign the MTD dev.of_node instead of the parser data field.
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This gets us the equivalent partition parser behavior with fewer special
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fields and parameter passing.
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Also convert several of these to mtd_device_register(), since we don't
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need the 2nd and 3rd parameters anymore.
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Reviewed-by: Marek Vasut <marex@denx.de>
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Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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---
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drivers/mtd/devices/mtd_dataflash.c | 5 ++---
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drivers/mtd/devices/spear_smi.c | 6 ++----
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drivers/mtd/devices/st_spi_fsm.c | 5 ++---
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drivers/mtd/maps/lantiq-flash.c | 5 ++---
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drivers/mtd/maps/physmap_of.c | 5 ++---
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drivers/mtd/onenand/omap2.c | 8 +++-----
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6 files changed, 13 insertions(+), 21 deletions(-)
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--- a/drivers/mtd/devices/mtd_dataflash.c
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+++ b/drivers/mtd/devices/mtd_dataflash.c
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@@ -624,7 +624,6 @@ static int add_dataflash_otp(struct spi_
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{
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struct dataflash *priv;
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struct mtd_info *device;
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- struct mtd_part_parser_data ppdata;
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struct flash_platform_data *pdata = dev_get_platdata(&spi->dev);
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char *otp_tag = "";
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int err = 0;
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@@ -656,6 +655,7 @@ static int add_dataflash_otp(struct spi_
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device->priv = priv;
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device->dev.parent = &spi->dev;
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+ mtd_set_of_node(device, spi->dev.of_node);
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if (revision >= 'c')
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otp_tag = otp_setup(device, revision);
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@@ -665,8 +665,7 @@ static int add_dataflash_otp(struct spi_
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pagesize, otp_tag);
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spi_set_drvdata(spi, priv);
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- ppdata.of_node = spi->dev.of_node;
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- err = mtd_device_parse_register(device, NULL, &ppdata,
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+ err = mtd_device_register(device,
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pdata ? pdata->parts : NULL,
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pdata ? pdata->nr_parts : 0);
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--- a/drivers/mtd/devices/spear_smi.c
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+++ b/drivers/mtd/devices/spear_smi.c
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@@ -810,7 +810,6 @@ static int spear_smi_setup_banks(struct
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u32 bank, struct device_node *np)
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{
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struct spear_smi *dev = platform_get_drvdata(pdev);
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- struct mtd_part_parser_data ppdata = {};
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struct spear_smi_flash_info *flash_info;
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struct spear_smi_plat_data *pdata;
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struct spear_snor_flash *flash;
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@@ -855,6 +854,7 @@ static int spear_smi_setup_banks(struct
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flash->mtd.name = flash_devices[flash_index].name;
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flash->mtd.dev.parent = &pdev->dev;
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+ mtd_set_of_node(&flash->mtd, np);
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flash->mtd.type = MTD_NORFLASH;
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flash->mtd.writesize = 1;
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flash->mtd.flags = MTD_CAP_NORFLASH;
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@@ -881,10 +881,8 @@ static int spear_smi_setup_banks(struct
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count = flash_info->nr_partitions;
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}
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#endif
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- ppdata.of_node = np;
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- ret = mtd_device_parse_register(&flash->mtd, NULL, &ppdata, parts,
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- count);
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+ ret = mtd_device_register(&flash->mtd, parts, count);
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if (ret) {
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dev_err(&dev->pdev->dev, "Err MTD partition=%d\n", ret);
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return ret;
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--- a/drivers/mtd/devices/st_spi_fsm.c
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+++ b/drivers/mtd/devices/st_spi_fsm.c
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@@ -2025,7 +2025,6 @@ boot_device_fail:
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static int stfsm_probe(struct platform_device *pdev)
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{
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struct device_node *np = pdev->dev.of_node;
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- struct mtd_part_parser_data ppdata;
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struct flash_info *info;
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struct resource *res;
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struct stfsm *fsm;
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@@ -2035,7 +2034,6 @@ static int stfsm_probe(struct platform_d
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dev_err(&pdev->dev, "No DT found\n");
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return -EINVAL;
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}
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- ppdata.of_node = np;
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fsm = devm_kzalloc(&pdev->dev, sizeof(*fsm), GFP_KERNEL);
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if (!fsm)
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@@ -2106,6 +2104,7 @@ static int stfsm_probe(struct platform_d
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fsm->mtd.name = info->name;
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fsm->mtd.dev.parent = &pdev->dev;
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+ mtd_set_of_node(&fsm->mtd, np);
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fsm->mtd.type = MTD_NORFLASH;
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fsm->mtd.writesize = 4;
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fsm->mtd.writebufsize = fsm->mtd.writesize;
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@@ -2124,7 +2123,7 @@ static int stfsm_probe(struct platform_d
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(long long)fsm->mtd.size, (long long)(fsm->mtd.size >> 20),
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fsm->mtd.erasesize, (fsm->mtd.erasesize >> 10));
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- return mtd_device_parse_register(&fsm->mtd, NULL, &ppdata, NULL, 0);
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+ return mtd_device_register(&fsm->mtd, NULL, 0);
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}
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static int stfsm_remove(struct platform_device *pdev)
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--- a/drivers/mtd/maps/lantiq-flash.c
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+++ b/drivers/mtd/maps/lantiq-flash.c
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@@ -110,7 +110,6 @@ ltq_copy_to(struct map_info *map, unsign
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static int
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ltq_mtd_probe(struct platform_device *pdev)
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{
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- struct mtd_part_parser_data ppdata;
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struct ltq_mtd *ltq_mtd;
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struct cfi_private *cfi;
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int err;
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@@ -161,13 +160,13 @@ ltq_mtd_probe(struct platform_device *pd
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}
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ltq_mtd->mtd->dev.parent = &pdev->dev;
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+ mtd_set_of_node(ltq_mtd->mtd, pdev->dev.of_node);
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cfi = ltq_mtd->map->fldrv_priv;
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cfi->addr_unlock1 ^= 1;
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cfi->addr_unlock2 ^= 1;
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- ppdata.of_node = pdev->dev.of_node;
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- err = mtd_device_parse_register(ltq_mtd->mtd, NULL, &ppdata, NULL, 0);
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+ err = mtd_device_register(ltq_mtd->mtd, NULL, 0);
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if (err) {
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dev_err(&pdev->dev, "failed to add partitions\n");
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goto err_destroy;
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--- a/drivers/mtd/maps/physmap_of.c
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+++ b/drivers/mtd/maps/physmap_of.c
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@@ -128,7 +128,6 @@ static int of_flash_probe(struct platfor
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int reg_tuple_size;
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struct mtd_info **mtd_list = NULL;
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resource_size_t res_size;
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- struct mtd_part_parser_data ppdata;
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bool map_indirect;
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const char *mtd_name = NULL;
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@@ -272,8 +271,8 @@ static int of_flash_probe(struct platfor
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if (err)
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goto err_out;
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- ppdata.of_node = dp;
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- mtd_device_parse_register(info->cmtd, part_probe_types_def, &ppdata,
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+ mtd_set_of_node(info->cmtd, dp);
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+ mtd_device_parse_register(info->cmtd, part_probe_types_def, NULL,
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NULL, 0);
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kfree(mtd_list);
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--- a/drivers/mtd/onenand/omap2.c
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+++ b/drivers/mtd/onenand/omap2.c
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@@ -614,7 +614,6 @@ static int omap2_onenand_probe(struct pl
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struct onenand_chip *this;
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int r;
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struct resource *res;
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- struct mtd_part_parser_data ppdata = {};
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pdata = dev_get_platdata(&pdev->dev);
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if (pdata == NULL) {
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@@ -713,6 +712,7 @@ static int omap2_onenand_probe(struct pl
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c->mtd.priv = &c->onenand;
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c->mtd.dev.parent = &pdev->dev;
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+ mtd_set_of_node(&c->mtd, pdata->of_node);
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this = &c->onenand;
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if (c->dma_channel >= 0) {
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@@ -743,10 +743,8 @@ static int omap2_onenand_probe(struct pl
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if ((r = onenand_scan(&c->mtd, 1)) < 0)
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goto err_release_regulator;
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- ppdata.of_node = pdata->of_node;
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- r = mtd_device_parse_register(&c->mtd, NULL, &ppdata,
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- pdata ? pdata->parts : NULL,
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- pdata ? pdata->nr_parts : 0);
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+ r = mtd_device_register(&c->mtd, pdata ? pdata->parts : NULL,
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+ pdata ? pdata->nr_parts : 0);
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if (r)
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goto err_release_onenand;
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