Paul Walmsley <paul@xxxxxxxxx> writes: > On Mon, 3 Dec 2007, Kevin Hilman wrote: > >> While working with the -rt patch + HRT on OMAP3, I'm seeing are data >> aborts during the first access to any timer register after the fclk is >> (re)enabled by dm_timer_set_source(). > > if this looks familiar, > > <1>Unhandled fault: external abort on non-linefetch (0x1028) at 0xd9032010 > > perhaps this temporary patch -- not for git, there is a better > implementation in the works -- might help? Yup, that looks like it. I should've asked sooner. Kevin > --- > arch/arm/mach-omap2/clock.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > Index: linux-omap/arch/arm/mach-omap2/clock.c > =================================================================== > --- linux-omap.orig/arch/arm/mach-omap2/clock.c 2007-12-03 19:05:45.000000000 -0700 > +++ linux-omap/arch/arm/mach-omap2/clock.c 2007-12-03 19:22:42.000000000 -0700 > @@ -202,11 +202,11 @@ > * it and pull it into struct clk itself somehow. > */ > reg = clk->enable_reg; > - if (reg == OMAP_CM_REGADDR(CORE_MOD, CM_FCLKEN1) || > - reg == OMAP_CM_REGADDR(CORE_MOD, OMAP24XX_CM_FCLKEN2)) > + if ((((u32)reg & 0xff) >= CM_FCLKEN1) && > + (((u32)reg & 0xff) <= OMAP24XX_CM_FCLKEN2)) > other_reg = (void __iomem *)(((u32)reg & ~0xf0) | 0x10); /* CM_ICLKEN* */ > - else if (reg == OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN1) || > - reg == OMAP_CM_REGADDR(CORE_MOD, CM_ICLKEN2)) > + else if ((((u32)reg & 0xff) >= CM_ICLKEN1) && > + (((u32)reg & 0xff) <= OMAP24XX_CM_ICLKEN4)) > other_reg = (void __iomem *)(((u32)reg & ~0xf0) | 0x00); /* CM_FCLKEN* */ > else > return; > - > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
