Messages in this thread Patch in this message | | | Date | Tue, 6 Aug 2019 19:07:06 -0700 (PDT) | From | Paul Walmsley <> | Subject | [PATCH] riscv: delay: use do_div() instead of __udivdi3() |
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In preparation for removing __udivdi3() from the RISC-V architecture-specific files, convert its one user to use do_div(). This avoids breaking the RV32 build after __udivdi3() is removed.
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com> --- arch/riscv/lib/delay.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/lib/delay.c b/arch/riscv/lib/delay.c index 87ff89e88f2c..8c686934e0f6 100644 --- a/arch/riscv/lib/delay.c +++ b/arch/riscv/lib/delay.c @@ -81,9 +81,14 @@ EXPORT_SYMBOL(__delay); void udelay(unsigned long usecs) { u64 ucycles = (u64)usecs * lpj_fine * UDELAY_MULT; + u64 n; + u32 rem; if (unlikely(usecs > MAX_UDELAY_US)) { - __delay((u64)usecs * riscv_timebase / 1000000ULL); + n = (u64)usecs * riscv_timebase; + rem = do_div(n, 1000000); + + __delay(n); return; } -- 2.22.0
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