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ARM: AM33xx: fix module_wait_ready without clkctrl register

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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@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tero Kristo 2016-06-30 16:15:03 +03:00 committed by Tony Lindgren
parent 1d9a542565
commit 183e2077d0
1 changed files with 3 additions and 0 deletions
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3
arch/arm/mach-omap2/cm33xx.c
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@ -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);