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Add udelay() function, inserts a delay based on microseconds with busy waiting, in preparation for supporting read_poll_timeout_atomic(). Reviewed-by: Andreas Hindborg <a.hindborg@kernel.org> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com> Acked-by: Andreas Hindborg <a.hindborg@kernel.org> Link: https://patch.msgid.link/20251103112958.2961517-2-fujita.tomonori@gmail.com Signed-off-by: Danilo Krummrich <dakr@kernel.org>
41 lines
632 B
C
41 lines
632 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/delay.h>
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#include <linux/ktime.h>
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#include <linux/timekeeping.h>
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void rust_helper_fsleep(unsigned long usecs)
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{
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fsleep(usecs);
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}
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ktime_t rust_helper_ktime_get_real(void)
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{
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return ktime_get_real();
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}
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ktime_t rust_helper_ktime_get_boottime(void)
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{
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return ktime_get_boottime();
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}
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ktime_t rust_helper_ktime_get_clocktai(void)
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{
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return ktime_get_clocktai();
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}
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s64 rust_helper_ktime_to_us(const ktime_t kt)
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{
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return ktime_to_us(kt);
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}
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s64 rust_helper_ktime_to_ms(const ktime_t kt)
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{
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return ktime_to_ms(kt);
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}
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void rust_helper_udelay(unsigned long usec)
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{
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udelay(usec);
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}
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