From: Abhijeet Dharmapurikar <[email protected]> The gic code tries to initialize interrupts beyond NR_IRQ. Prevent code from doing that.
Signed-off-by: Abhijeet Dharmapurikar <[email protected]> --- arch/arm/common/gic.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c index 337741f..e763c4c 100644 --- a/arch/arm/common/gic.c +++ b/arch/arm/common/gic.c @@ -175,6 +175,11 @@ void __init gic_cascade_irq(unsigned int gic_nr, unsigned int irq) set_irq_chained_handler(irq, gic_handle_cascade_irq); } +/* + * In case of multiple cascaded GICs, order calls to gic_dist_init with + * ascending irq_start + */ + void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, unsigned int irq_start) { @@ -233,7 +238,7 @@ void __init gic_dist_init(unsigned int gic_nr, void __iomem *base, /* * Setup the Linux IRQ subsystem. */ - for (i = irq_start; i < gic_data[gic_nr].irq_offset + max_irq; i++) { + for (i = irq_start; i < NR_IRQS && i < gic_data[gic_nr].irq_offset + max_irq; i++) { set_irq_chip(i, &gic_chip); set_irq_chip_data(i, &gic_data[gic_nr]); set_irq_handler(i, handle_level_irq); -- 1.5.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
