On Thu, 12 Jan 2012, Nicolas Pitre wrote: > On Thu, 12 Jan 2012, Tony Lindgren wrote: > > > Commit 73829af71fdb8655e7ba4b5a2a6612ad34a75a11 > > (Merge branch 'vmalloc' of git://git.linaro.org/people/nico/linux > > into devel-stable) merged generic ioremap changes. > > > > Commit 137d105d50f6e6c373c1aa759f59045e6239cf66 > > (ARM: OMAP4: Fix errata i688 with MPU interconnect barriers) > > added a workaround for omap4. > > > > In order for the errata to work, we now need the following > > patch or else we'll get: > > > > kernel BUG at mm/vmalloc.c:1134! > > > > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> > > > > --- a/arch/arm/mach-omap2/common.h > > +++ b/arch/arm/mach-omap2/common.h > > @@ -132,6 +132,7 @@ void omap3_map_io(void); > > void am33xx_map_io(void); > > void omap4_map_io(void); > > void ti81xx_map_io(void); > > +int omap_barriers_init(void); > > > > /** > > * omap_test_timeout - busy-loop, testing a condition > > --- a/arch/arm/mach-omap2/io.c > > +++ b/arch/arm/mach-omap2/io.c > > @@ -306,7 +306,12 @@ void __init omapam33xx_map_common_io(void) > > #ifdef CONFIG_ARCH_OMAP4 > > void __init omap44xx_map_common_io(void) > > { > > + int res; > > + > > iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc)); > > + res = omap_barriers_init(); > > + if (res) > > + pr_err("Barriers broken\n"); > > Do you really need that return code? > > It was initially hooked to core_initcall() which requires a return code. > Now that you call it directly you could get rid of it. s/rid of it/rid of the return code/ Nicolas -- 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