The logging system provides flexible filtering and enhanced output.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- drivers/rng/stm32mp1_rng.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/rng/stm32mp1_rng.c b/drivers/rng/stm32mp1_rng.c index 7ef7ff9756..c1bae180f7 100644 --- a/drivers/rng/stm32mp1_rng.c +++ b/drivers/rng/stm32mp1_rng.c @@ -3,6 +3,8 @@ * Copyright (c) 2019, Linaro Limited */
+#define LOG_CATEGORY UCLASS_RNG + #include <common.h> #include <clk.h> #include <dm.h> @@ -53,7 +55,7 @@ static int stm32_rng_read(struct udevice *dev, void *data, size_t len) for (i = 0; i < 12; i++) readl(pdata->base + RNG_DR); if (readl(pdata->base + RNG_SR) & RNG_SR_SEIS) { - printf("RNG Noise"); + log_err("RNG Noise"); return -EIO; } /* start again */ -- 2.28.0