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mtd: rawnand: ams-delta: cleanup ams_delta_init() error path 

Remove unused labels, rename out_mtd into err_unmap to make it clearer
and return 0 instead of using a goto out at the end of the registration
procedure.

Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Tested-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Boris Brezillon 2018-11-11 08:55:11 +01:00 committed by Miquel Raynal
parent d54445d664
commit 8bbc3c0850
1 changed files with 12 additions and 14 deletions
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26
drivers/mtd/nand/raw/ams-delta.c
View File

@ -210,8 +210,7 @@ static int ams_delta_init(struct platform_device *pdev)
io_base = ioremap(res->start, resource_size(res));
if (!io_base) {
dev_err(&pdev->dev, "ioremap failed\n");
err = -EIO;
goto out_free;
return -EIO;
}
priv->io_base = io_base;
@ -224,7 +223,7 @@ static int ams_delta_init(struct platform_device *pdev)
if (IS_ERR(priv->gpiod_rdy)) {
err = PTR_ERR(priv->gpiod_rdy);
dev_warn(&pdev->dev, "RDY GPIO request failed (%d)\n", err);
goto out_mtd;
goto err_unmap;
}
this->ecc.mode = NAND_ECC_SOFT;
@ -237,42 +236,42 @@ static int ams_delta_init(struct platform_device *pdev)
if (IS_ERR(priv->gpiod_nwp)) {
err = PTR_ERR(priv->gpiod_nwp);
dev_err(&pdev->dev, "NWP GPIO request failed (%d)\n", err);
goto out_mtd;
goto err_unmap;
}
priv->gpiod_nce = devm_gpiod_get(&pdev->dev, "nce", GPIOD_OUT_HIGH);
if (IS_ERR(priv->gpiod_nce)) {
err = PTR_ERR(priv->gpiod_nce);
dev_err(&pdev->dev, "NCE GPIO request failed (%d)\n", err);
goto out_mtd;
goto err_unmap;
}
priv->gpiod_nre = devm_gpiod_get(&pdev->dev, "nre", GPIOD_OUT_HIGH);
if (IS_ERR(priv->gpiod_nre)) {
err = PTR_ERR(priv->gpiod_nre);
dev_err(&pdev->dev, "NRE GPIO request failed (%d)\n", err);
goto out_mtd;
goto err_unmap;
}
priv->gpiod_nwe = devm_gpiod_get(&pdev->dev, "nwe", GPIOD_OUT_HIGH);
if (IS_ERR(priv->gpiod_nwe)) {
err = PTR_ERR(priv->gpiod_nwe);
dev_err(&pdev->dev, "NWE GPIO request failed (%d)\n", err);
goto out_mtd;
goto err_unmap;
}
priv->gpiod_ale = devm_gpiod_get(&pdev->dev, "ale", GPIOD_OUT_LOW);
if (IS_ERR(priv->gpiod_ale)) {
err = PTR_ERR(priv->gpiod_ale);
dev_err(&pdev->dev, "ALE GPIO request failed (%d)\n", err);
goto out_mtd;
goto err_unmap;
}
priv->gpiod_cle = devm_gpiod_get(&pdev->dev, "cle", GPIOD_OUT_LOW);
if (IS_ERR(priv->gpiod_cle)) {
err = PTR_ERR(priv->gpiod_cle);
dev_err(&pdev->dev, "CLE GPIO request failed (%d)\n", err);
goto out_mtd;
goto err_unmap;
}
/* Initialize data port direction to a known state */
@ -281,17 +280,16 @@ static int ams_delta_init(struct platform_device *pdev)
/* Scan to find existence of the device */
err = nand_scan(this, 1);
if (err)
goto out_mtd;
goto err_unmap;
/* Register the partitions */
mtd_device_register(mtd, partition_info, ARRAY_SIZE(partition_info));
goto out;
return 0;
out_mtd:
err_unmap:
iounmap(io_base);
out_free:
out:
return err;
}