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commit 9f685435d050e9b3d9d846fa1509e1640066e253
Author: Xiang Xiao <xiaoxi...@xiaomi.com>
AuthorDate: Sun Nov 13 10:56:42 2022 +0800
Fix Error: chip/rp2040_clock.c:148:19: error: invalid instruction
Signed-off-by: Xiang Xiao <xiaoxi...@xiaomi.com>
---
arch/arm/src/rp2040/rp2040_clock.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/arch/arm/src/rp2040/rp2040_clock.c
b/arch/arm/src/rp2040/rp2040_clock.c
index d275d58f24..e874ac543e 100644
--- a/arch/arm/src/rp2040/rp2040_clock.c
+++ b/arch/arm/src/rp2040/rp2040_clock.c
@@ -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] /
- rp2040_clock_freq[clk_index] + 1;
-
- __asm__ volatile (
- "1: \n\t"
- "sub %0, #1 \n\t"
- "bne 1b"
- : "+r" (delay_cyc)
- );
+ volatile unsigned int delay_cyc;
+
+ delay_cyc = rp2040_clock_freq[RP2040_CLOCKS_NDX_SYS] /
+ rp2040_clock_freq[clk_index] + 1;
+
+ while (--delay_cyc > 0);
}
}
