///
/// ```
/// # use kernel::prelude::*;
-/// # use kernel::c_str;
/// # use kernel::device::Device;
/// # use kernel::regulator::{Voltage, Regulator, Disabled, Enabled};
/// fn enable(dev: &Device, min_voltage: Voltage, max_voltage: Voltage) -> Result {
/// // Obtain a reference to a (fictitious) regulator.
-/// let regulator: Regulator<Disabled> = Regulator::<Disabled>::get(dev, c_str!("vcc"))?;
+/// let regulator: Regulator<Disabled> = Regulator::<Disabled>::get(dev, c"vcc")?;
///
/// // The voltage can be set before enabling the regulator if needed, e.g.:
/// regulator.set_voltage(min_voltage, max_voltage)?;
///
/// ```
/// # use kernel::prelude::*;
-/// # use kernel::c_str;
/// # use kernel::device::Device;
/// # use kernel::regulator::{Voltage, Regulator, Enabled};
/// fn enable(dev: &Device) -> Result {
/// // Obtain a reference to a (fictitious) regulator and enable it.
-/// let regulator: Regulator<Enabled> = Regulator::<Enabled>::get(dev, c_str!("vcc"))?;
+/// let regulator: Regulator<Enabled> = Regulator::<Enabled>::get(dev, c"vcc")?;
///
/// // Dropping an enabled regulator will disable it. The refcount will be
/// // decremented.
///
/// ```
/// # use kernel::prelude::*;
-/// # use kernel::c_str;
/// # use kernel::device::{Bound, Device};
/// # use kernel::regulator;
/// fn enable(dev: &Device<Bound>) -> Result {
/// // Obtain a reference to a (fictitious) regulator and enable it. This
/// // call only returns whether the operation succeeded.
-/// regulator::devm_enable(dev, c_str!("vcc"))?;
+/// regulator::devm_enable(dev, c"vcc")?;
///
/// // The regulator will be disabled and put when `dev` is unbound.
/// Ok(())