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rust: replace literals with constants in clk::Hertz

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Replaces repeated numeric literals in `Hertz` conversions
with named constants.

Signed-off-by: Onur Özkan <work@onurozkan.dev>
Link: https://lore.kernel.org/r/20250618092810.29370-1-work@onurozkan.dev
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Onur Özkan 2025-06-18 12:28:10 +03:00 committed by Stephen Boyd
parent b112dfc74b
commit 2a7b4b228c
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GPG Key ID: AD028897C6E49525
1 changed files with 10 additions and 6 deletions
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16
rust/kernel/clk.rs
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@ -30,19 +30,23 @@
pub struct Hertz(pub c_ulong);
impl Hertz {
const KHZ_TO_HZ: c_ulong = 1_000;
const MHZ_TO_HZ: c_ulong = 1_000_000;
const GHZ_TO_HZ: c_ulong = 1_000_000_000;
/// Create a new instance from kilohertz (kHz)
pub const fn from_khz(khz: c_ulong) -> Self {
Self(khz * 1_000)
Self(khz * Self::KHZ_TO_HZ)
}
/// Create a new instance from megahertz (MHz)
pub const fn from_mhz(mhz: c_ulong) -> Self {
Self(mhz * 1_000_000)
Self(mhz * Self::MHZ_TO_HZ)
}
/// Create a new instance from gigahertz (GHz)
pub const fn from_ghz(ghz: c_ulong) -> Self {
Self(ghz * 1_000_000_000)
Self(ghz * Self::GHZ_TO_HZ)
}
/// Get the frequency in hertz
@ -52,17 +56,17 @@ pub const fn as_hz(&self) -> c_ulong {
/// Get the frequency in kilohertz
pub const fn as_khz(&self) -> c_ulong {
self.0 / 1_000
self.0 / Self::KHZ_TO_HZ
}
/// Get the frequency in megahertz
pub const fn as_mhz(&self) -> c_ulong {
self.0 / 1_000_000
self.0 / Self::MHZ_TO_HZ
}
/// Get the frequency in gigahertz
pub const fn as_ghz(&self) -> c_ulong {
self.0 / 1_000_000_000
self.0 / Self::GHZ_TO_HZ
}
}