If the module has no clkctrl register defined, module_wait_ready should
not try to access this. This can potentially cause an illegal register
access, and result in bad idle reporting also.
Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap2/cm33xx.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c
index 7b181f9..c073fb5 100644
--- a/arch/arm/mach-omap2/cm33xx.c
+++ b/arch/arm/mach-omap2/cm33xx.c
@@ -220,6 +220,9 @@ static int am33xx_cm_wait_module_ready(u8 part, s16 inst, u16 clkctrl_offs,
{
int i = 0;
+ if (!clkctrl_offs)
+ return 0;
+
omap_test_timeout(_is_module_ready(inst, clkctrl_offs),
MAX_MODULE_READY_TIME, i);
--
1.9.1
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