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Backports of upstream bug fixes #1

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Merged
asmellby merged 3 commits into from
Nov 26, 2025
Merged

Backports of upstream bug fixes #1

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a905db5
soc: silabs: siwg917: add dependency when PM device is enabled
Martinhoff-maker Nov 17, 2025
6ee1329
soc: silabs: siwx91x: introduce zero latency irq
Martinhoff-maker Nov 21, 2025
6b6dcd4
drivers: entropy: gecko_trng: Fix blocking behavior
asmellby Nov 24, 2025
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9 changes: 4 additions & 5 deletions drivers/entropy/entropy_gecko_trng.c
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Original file line number Diff line number Diff line change
Expand Up @@ -76,17 +76,16 @@ static int entropy_gecko_trng_get_entropy(const struct device *dev,

ARG_UNUSED(dev);

#ifdef CONFIG_CRYPTO_ACC_GECKO_TRNG
CMU_ClockEnable(cmuClock_CRYPTOACC, true);
#endif

while (length) {
#ifndef CONFIG_CRYPTO_ACC_GECKO_TRNG
available = TRNG0->FIFOLEVEL * 4;
#else
CMU_ClockEnable(cmuClock_CRYPTOACC, true);
available = S2_FIFO_LEVEL * 4;
#endif
if (available == 0) {
return -EINVAL;
}

count = SL_MIN(length, available);
entropy_gecko_trng_read(buffer, count);
buffer += count;
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16 changes: 16 additions & 0 deletions soc/silabs/silabs_siwx91x/Kconfig.defconfig
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Expand Up @@ -13,6 +13,22 @@ configdefault SYS_CLOCK_TICKS_PER_SEC
configdefault UART_NS16550_DW8250_DW_APB
default y

configdefault ZERO_LATENCY_IRQS
default y

configdefault ZERO_LATENCY_LEVELS
default 2

if PM_DEVICE

configdefault PM_DEVICE_RUNTIME
default y

configdefault POWER_DOMAIN
default y

endif # PM_DEVICE

if SILABS_SIWX91X_NWP

# WiseConnect create threads with realtime priority. Default (10kHz) clock tick
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