On Fri, 7 Oct 2011, Tony Lindgren wrote: > We don't have cpu_is_omapxxxx SoC detection initialized until > SoC detection is initialized from init_early. > > Note that with the common map_io we should no longer need > cpu_is_omapxxxx for ioremap. > > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> Acked-by: Nicolas Pitre <nicolas.pitre@xxxxxxxxxx> > --- > arch/arm/mach-omap1/io.c | 1 + > arch/arm/mach-omap2/io.c | 1 + > arch/arm/plat-omap/include/plat/io.h | 2 ++ > arch/arm/plat-omap/io.c | 10 ++++++++++ > 4 files changed, 14 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/mach-omap1/io.c b/arch/arm/mach-omap1/io.c > index 8140a4e..fd9eb09 100644 > --- a/arch/arm/mach-omap1/io.c > +++ b/arch/arm/mach-omap1/io.c > @@ -121,6 +121,7 @@ void __init omap16xx_map_io(void) > void omap1_init_early(void) > { > omap_check_revision(); > + omap_ioremap_init(); > > /* REVISIT: Refer to OMAP5910 Errata, Advisory SYS_1: "Timeout Abort > * on a Posted Write in the TIPB Bridge". > diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c > index d5caac3..aa96538 100644 > --- a/arch/arm/mach-omap2/io.c > +++ b/arch/arm/mach-omap2/io.c > @@ -323,6 +323,7 @@ void __iomem *omap_irq_base; > static void __init omap_common_init_early(void) > { > omap2_check_revision(); > + omap_ioremap_init(); > } > > static void __init omap_hwmod_init_postsetup(void) > diff --git a/arch/arm/plat-omap/include/plat/io.h b/arch/arm/plat-omap/include/plat/io.h > index c0c7850..5ffbea6 100644 > --- a/arch/arm/plat-omap/include/plat/io.h > +++ b/arch/arm/plat-omap/include/plat/io.h > @@ -247,6 +247,8 @@ > * NOTE: Please use ioremap + __raw_read/write where possible instead of these > */ > > +void omap_ioremap_init(void); > + > extern u8 omap_readb(u32 pa); > extern u16 omap_readw(u32 pa); > extern u32 omap_readl(u32 pa); > diff --git a/arch/arm/plat-omap/io.c b/arch/arm/plat-omap/io.c > index f1ecfa9..1bbcbde 100644 > --- a/arch/arm/plat-omap/io.c > +++ b/arch/arm/plat-omap/io.c > @@ -23,11 +23,16 @@ > #define BETWEEN(p,st,sz) ((p) >= (st) && (p) < ((st) + (sz))) > #define XLATE(p,pst,vst) ((void __iomem *)((p) - (pst) + (vst))) > > +static int initialized; > + > /* > * Intercept ioremap() requests for addresses in our fixed mapping regions. > */ > void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type) > { > + > + WARN(!initialized, "Do not use ioremap before init_early\n"); > + > #ifdef CONFIG_ARCH_OMAP1 > if (cpu_class_is_omap1()) { > if (BETWEEN(p, OMAP1_IO_PHYS, OMAP1_IO_SIZE)) > @@ -139,3 +144,8 @@ void omap_iounmap(volatile void __iomem *addr) > __iounmap(addr); > } > EXPORT_SYMBOL(omap_iounmap); > + > +void __init omap_ioremap_init(void) > +{ > + initialized++; > +} > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > -- 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