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soc/tegra: fuse: Restore base on sysfs failure

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Make sure to also restore the register base address on sysfs
registration failure.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2019-08-20 15:53:44 +02:00
parent c9e753767a
commit 9f1022b8bd
1 changed files with 10 additions and 6 deletions
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16
drivers/soc/tegra/fuse/fuse-tegra.c
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@ -146,20 +146,24 @@ static int tegra_fuse_probe(struct platform_device *pdev)
if (fuse->soc->probe) { if (fuse->soc->probe) {
err = fuse->soc->probe(fuse); err = fuse->soc->probe(fuse);
if (err < 0) { if (err < 0)
fuse->base = base; goto restore;
return err;
}
} }
if (tegra_fuse_create_sysfs(&pdev->dev, fuse->soc->info->size, if (tegra_fuse_create_sysfs(&pdev->dev, fuse->soc->info->size,
fuse->soc->info)) fuse->soc->info)) {
return -ENODEV; err = -ENODEV;
goto restore;
}
/* release the early I/O memory mapping */ /* release the early I/O memory mapping */
iounmap(base); iounmap(base);
return 0; return 0;
restore:
fuse->base = base;
return err;
} }
static struct platform_driver tegra_fuse_driver = { static struct platform_driver tegra_fuse_driver = {