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Kernel: Make RPi Timer::set_clock_rate static

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This allows it to be called in UART without calling the Timer
constructor. This in turn allows the UART to be used before interrupts
are enabled.
This commit is contained in:
Timon Kruiper 2022-05-17 10:04:37 +02:00 committed by Linus Groh
parent 3cf8d3361e
commit a0b0c4e723
Notes: sideshowbarker 2024-07-17 10:30:32 +09:00 
Author: https://github.com/FireFox317
Commit: https://github.com/SerenityOS/serenity/commit/a0b0c4e723
Pull-request: https://github.com/SerenityOS/serenity/pull/14146
Reviewed-by: https://github.com/ADKaster
Reviewed-by: https://github.com/BertalanD
Reviewed-by: https://github.com/Hendiadyoin1
Reviewed-by: https://github.com/nico ✅
2 changed files with 2 additions and 2 deletions
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2
Kernel/Arch/aarch64/RPi/Timer.h
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@ -35,7 +35,7 @@ public:
M2MC = 13,
PIXEL_BVB = 14,
};
u32 set_clock_rate(ClockID, u32 rate_hz, bool skip_setting_turbo = true);
static u32 set_clock_rate(ClockID, u32 rate_hz, bool skip_setting_turbo = true);
private:
Timer();

2
Kernel/Arch/aarch64/RPi/UART.cpp
View file

@ -101,7 +101,7 @@ UART::UART()
// Set UART clock so that the baud rate divisor ends up as 1.0.
// FIXME: Not sure if this is a good UART clock rate.
u32 rate_in_hz = Timer::the().set_clock_rate(Timer::ClockID::UART, 16 * baud_rate);
u32 rate_in_hz = Timer::set_clock_rate(Timer::ClockID::UART, 16 * baud_rate);
// The BCM's PL011 UART is alternate function 0 on pins 14 and 15.
auto& gpio = GPIO::the();