> -----Original Message----- > From: linux-omap-owner@xxxxxxxxxxxxxxx [mailto:linux-omap- > owner@xxxxxxxxxxxxxxx] On Behalf Of Tony Lindgren > Sent: Tuesday, March 29, 2011 3:51 AM > To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > Cc: linux-omap@xxxxxxxxxxxxxxx > Subject: [PATCH 01/10] omap: Use separate init_irq functions to > avoidcpu_is_omap tests early > > This allows us to remove cpu_is_omap calls from init_irq functions > and the irq handler. There should not be any need for cpu_is_omap > as at this point we only care about SoC generation, and not about > subcategories. > > The main reason for the patch is that we want to initialize only > minimal omap specific code from the init_early call, and this and > the following patches get us closer to that goal. > > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> > --- [....] > diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach- > omap2/omap4-common.c > index 9ef8c29..1c3bcf1 100644 > --- a/arch/arm/mach-omap2/omap4-common.c > +++ b/arch/arm/mach-omap2/omap4-common.c > @@ -19,6 +19,8 @@ > #include <asm/hardware/gic.h> > #include <asm/hardware/cache-l2x0.h> > > +#include <plat/irqs.h> > + > #include <mach/hardware.h> > #include <mach/omap4-common.h> > > @@ -34,6 +36,10 @@ void __init gic_init_irq(void) > void __iomem *gic_cpu_base; > > /* Static mapping, never released */ > + omap_irq_base = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_4K); > + BUG_ON(!omap_irq_base); > + Above mapping is incorrect. The address space is of just 512 bytes. Infact you don't need to ioremap it again. Below should be enough. diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c index 9ef8c29..9bddc9e 100644 --- a/arch/arm/mach-omap2/omap4-common.c +++ b/arch/arm/mach-omap2/omap4-common.c @@ -41,6 +41,8 @@ void __init gic_init_irq(void) gic_cpu_base = ioremap(OMAP44XX_GIC_CPU_BASE, SZ_512); BUG_ON(!gic_cpu_base); + omap_irq_base = gic_cpu_base; + gic_init(0, 29, gic_dist_base_addr, gic_cpu_base); } Regards, Santosh -- 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