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regulator: core: Make error messages more informative 

The same error print exists 4 times in the regulator core

	<rdev>: operation not allowed

Unfortunately, seeing this in the dmesg is not very informative.
Add what type of operation is not allowed to the message so that
these errors are unique, hopefully pointing developers in the
right direction

	<rdev>: drms operation not allowed
	<rdev>: voltage operation not allowed
	<rdev>: current operation not allowed
	<rdev>: mode operation not allowed

Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Stephen Boyd 2015-09-16 12:10:26 -07:00 committed by Mark Brown
parent 6ff33f3902
commit 7ebcf26c39
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/regulator/core.c
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@ -180,7 +180,7 @@ static int regulator_check_voltage(struct regulator_dev *rdev,
return -ENODEV;
}
if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
rdev_err(rdev, "operation not allowed\n");
rdev_err(rdev, "voltage operation not allowed\n");
return -EPERM;
}
@ -240,7 +240,7 @@ static int regulator_check_current_limit(struct regulator_dev *rdev,
return -ENODEV;
}
if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_CURRENT)) {
rdev_err(rdev, "operation not allowed\n");
rdev_err(rdev, "current operation not allowed\n");
return -EPERM;
}
@ -277,7 +277,7 @@ static int regulator_mode_constrain(struct regulator_dev *rdev, int *mode)
return -ENODEV;
}
if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_MODE)) {
rdev_err(rdev, "operation not allowed\n");
rdev_err(rdev, "mode operation not allowed\n");
return -EPERM;
}
@ -301,7 +301,7 @@ static int regulator_check_drms(struct regulator_dev *rdev)
return -ENODEV;
}
if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_DRMS)) {
rdev_dbg(rdev, "operation not allowed\n");
rdev_dbg(rdev, "drms operation not allowed\n");
return -EPERM;
}
return 0;