We only can (and should only need to) configure cntfrq when running in
EL3 and executing this code in any other exception level will result
in exception.
Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
---
arch/arm/mach-imx/imx8mq.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-imx/imx8mq.c b/arch/arm/mach-imx/imx8mq.c
index f3246e437..dbcf4fa59 100644
--- a/arch/arm/mach-imx/imx8mq.c
+++ b/arch/arm/mach-imx/imx8mq.c
@@ -62,12 +62,14 @@ static void imx8mq_silicon_revision(void)
static int imx8mq_init_syscnt_frequency(void)
{
- void __iomem *syscnt = IOMEM(MX8MQ_SYSCNT_CTRL_BASE_ADDR);
- /*
- * Update with accurate clock frequency
- */
- set_cntfrq(syscnt_get_cntfrq(syscnt));
- syscnt_enable(syscnt);
+ if (current_el() == 3) {
+ void __iomem *syscnt = IOMEM(MX8MQ_SYSCNT_CTRL_BASE_ADDR);
+ /*
+ * Update with accurate clock frequency
+ */
+ set_cntfrq(syscnt_get_cntfrq(syscnt));
+ syscnt_enable(syscnt);
+ }
return 0;
}
--
2.17.1
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