From: Colin Ian King <[email protected]> In the case where has_uart4 is false, en_uart4_mask and grpsel_uart4_mask are not initialized and so any garbage value is being logically or'd into the write of PM_WKEN and OMAP3430_PM_MPUGRPSEL. Fix this by initializing these masks to zero.
Signed-off-by: Colin Ian King <[email protected]> --- arch/arm/mach-omap2/prm3xxx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c index 62680aa..718981b 100644 --- a/arch/arm/mach-omap2/prm3xxx.c +++ b/arch/arm/mach-omap2/prm3xxx.c @@ -319,6 +319,9 @@ void __init omap3_prm_init_pm(bool has_uart4, bool has_iva) if (has_uart4) { en_uart4_mask = OMAP3630_EN_UART4_MASK; grpsel_uart4_mask = OMAP3630_GRPSEL_UART4_MASK; + } else { + en_uart4_mask = 0; + grpsel_uart4_mask = 0; } /* Enable wakeups in PER */ -- 2.9.3
