summaryrefslogtreecommitdiff
path: root/arch/arm/cpu
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu')
-rw-r--r--arch/arm/cpu/arm926ejs/mxs/spl_boot.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
index 5b3b51ce15..9168b91f27 100644
--- a/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c
@@ -25,9 +25,7 @@ static bd_t bdata __section(".data");
/*
* This delay function is intended to be used only in early stage of boot, where
- * clock are not set up yet. The timer used here is reset on every boot and
- * takes a few seconds to roll. The boot doesn't take that long, so to keep the
- * code simple, it doesn't take rolling into consideration.
+ * clock are not set up yet.
*/
void early_delay(int delay)
{
@@ -35,8 +33,7 @@ void early_delay(int delay)
(struct mxs_digctl_regs *)MXS_DIGCTL_BASE;
uint32_t st = readl(&digctl_regs->hw_digctl_microseconds);
- st += delay;
- while (st > readl(&digctl_regs->hw_digctl_microseconds))
+ while (readl(&digctl_regs->hw_digctl_microseconds) - st <= delay)
;
}