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It's only possible to access TRNG block via SMC calls in Exynos850, so specify that fact using EXYNOS_SMC flag in the driver data. Signed-off-by: Sam Protsenko Reviewed-by: Krzysztof Kozlowski Acked-by: Łukasz Stelmach --- Changes in v2: - Changed QUIRK_SMC to EXYNOS_SMC to reflect the name change in the previous patch drivers/char/hw_random/exynos-trng.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/char/hw_random/exynos-trng.c b/drivers/char/hw_random/exynos-trng.c index 497d6018c6ba..841598037cce 100644 --- a/drivers/char/hw_random/exynos-trng.c +++ b/drivers/char/hw_random/exynos-trng.c @@ -313,6 +313,9 @@ static DEFINE_SIMPLE_DEV_PM_OPS(exynos_trng_pm_ops, exynos_trng_suspend, static const struct of_device_id exynos_trng_dt_match[] = { { .compatible = "samsung,exynos5250-trng", + }, { + .compatible = "samsung,exynos850-trng", + .data = (void *)EXYNOS_SMC, }, { }, };