core: add mdelay() function

checkpatch will check if udelay value is too large. Use udelay() to
implement mdelay() when we want to delay more than 10000 us.

Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>

2 files changed, 6 insertions, 0 deletions

diff --git a/core/arch/arm/include/kernel/delay.h b/core/arch/arm/include/kernel/delay.h
index 1d693439..72ac8738 100644
--- a/core/arch/arm/include/kernel/delay.h
+++ b/core/arch/arm/include/kernel/delay.h
@@ -30,5 +30,6 @@
 #define __KERNEL_DELAY_H
 
 void udelay(uint32_t us);
+void mdelay(uint32_t ms);
 
 #endif
diff --git a/core/arch/arm/kernel/delay.c b/core/arch/arm/kernel/delay.c
index dfd1dd79..2ada6e90 100644
--- a/core/arch/arm/kernel/delay.c
+++ b/core/arch/arm/kernel/delay.c
@@ -39,3 +39,8 @@ void udelay(uint32_t us)
 	while (read_cntpct() - start <= target)
 		;
 }
+
+void mdelay(uint32_t ms)
+{
+	udelay(1000 * ms);
+}