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regulator: core: Fix error checking and messages 

Merge series from Geert Uytterhoeven <geert+renesas@glider.be>:

This patch series corrects an error check, fixes error messages when
debugfs is not enabled, and improves debugfs error handling in the
regulator core.
This commit is contained in:
Mark Brown 2023-05-30 16:29:12 +01:00
parent 87fe0214d7 08880713ce
commit 9defeb9f0a
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GPG Key ID: 24D68B725D5487D0
1 changed files with 13 additions and 17 deletions
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30
drivers/regulator/core.c
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@ -1911,19 +1911,17 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
if (err != -EEXIST)
regulator->debugfs = debugfs_create_dir(supply_name, rdev->debugfs);
if (!regulator->debugfs) {
if (IS_ERR(regulator->debugfs))
rdev_dbg(rdev, "Failed to create debugfs directory\n");
} else {
debugfs_create_u32("uA_load", 0444, regulator->debugfs,
&regulator->uA_load);
debugfs_create_u32("min_uV", 0444, regulator->debugfs,
&regulator->voltage[PM_SUSPEND_ON].min_uV);
debugfs_create_u32("max_uV", 0444, regulator->debugfs,
&regulator->voltage[PM_SUSPEND_ON].max_uV);
debugfs_create_file("constraint_flags", 0444,
regulator->debugfs, regulator,
&constraint_flags_fops);
}
debugfs_create_u32("uA_load", 0444, regulator->debugfs,
&regulator->uA_load);
debugfs_create_u32("min_uV", 0444, regulator->debugfs,
&regulator->voltage[PM_SUSPEND_ON].min_uV);
debugfs_create_u32("max_uV", 0444, regulator->debugfs,
&regulator->voltage[PM_SUSPEND_ON].max_uV);
debugfs_create_file("constraint_flags", 0444, regulator->debugfs,
regulator, &constraint_flags_fops);
/*
* Check now if the regulator is an always on regulator - if
@ -5256,10 +5254,8 @@ static void rdev_init_debugfs(struct regulator_dev *rdev)
}
rdev->debugfs = debugfs_create_dir(rname, debugfs_root);
if (IS_ERR(rdev->debugfs)) {
rdev_warn(rdev, "Failed to create debugfs directory\n");
return;
}
if (IS_ERR(rdev->debugfs))
rdev_dbg(rdev, "Failed to create debugfs directory\n");
debugfs_create_u32("use_count", 0444, rdev->debugfs,
&rdev->use_count);
@ -6179,7 +6175,7 @@ static int __init regulator_init(void)
debugfs_root = debugfs_create_dir("regulator", NULL);
if (IS_ERR(debugfs_root))
pr_warn("regulator: Failed to create debugfs directory\n");
pr_debug("regulator: Failed to create debugfs directory\n");
#ifdef CONFIG_DEBUG_FS
debugfs_create_file("supply_map", 0444, debugfs_root, NULL,