[PATCH v3] ARM: OMAP2: am33xx-hwmod: Fix "register offset NULL check" bug

[Koen Kooi]

Op 30 jan. 2013, om 15:39 heeft Hebbar Gururaja <gururaja.hebbar at ti.com> het volgende geschreven:

> am33xx_cm_wait_module_ready() checks if register offset is NULL.
> 
> int am33xx_cm_wait_module_ready(u16 inst, s16 cdoffs, u16 clkctrl_offs)
> {
> 	int i = 0;
> 
> 	if (!clkctrl_offs)
> 		return 0;
> 
> In case of AM33xx, CLKCTRL register offset for different clock domains
> are not uniformly placed. An example of this would be the RTC clock
> domain with CLKCTRL offset at 0x00.
> In such cases the module ready check is skipped which leads to a data
> abort during boot-up when RTC registers is accessed.
> 
> Remove this check here to avoid checking module readiness for modules
> with clkctrl register offset at 0x00.
> 
> Signed-off-by: Hebbar Gururaja <gururaja.hebbar at ti.com>

I can confirm that this fixes the crash on boot with CONFIG_RTC_DRV_OMAP=y with 3.8-rc5

regards,

Koen