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Fix Error: chip/rp2040_clock.c:148:19: error: invalid instruction

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2022-11-13 10:56:42 +08:00 committed by Xiang Xiao
parent ba286e3824
commit 9f685435d0
1 changed files with 5 additions and 8 deletions
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11
arch/arm/src/rp2040/rp2040_clock.c
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@ -141,15 +141,12 @@ bool rp2040_clock_configure(int clk_index,
* necessarily running, nor is timer... so, 3 cycles per loop:
*/
unsigned int delay_cyc = rp2040_clock_freq[RP2040_CLOCKS_NDX_SYS] /
volatile unsigned int delay_cyc;
delay_cyc = rp2040_clock_freq[RP2040_CLOCKS_NDX_SYS] /
rp2040_clock_freq[clk_index] + 1;
__asm__ volatile (
"1: \n\t"
"sub %0, #1 \n\t"
"bne 1b"
: "+r" (delay_cyc)
);
while (--delay_cyc > 0);
}
}