diff options
| author | John W. Linville <linville@tuxdriver.com> | 2011-11-22 14:05:46 -0500 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-11-22 14:05:46 -0500 |
| commit | 515db09338704a6ad7d27b5f1e33820d3052edd2 (patch) | |
| tree | 74f915531710303397d34069b325c2be7a5ac93c /arch/arm/plat-mxc/gic.c | |
| parent | 30be52e44fd4276d768efffb55d424fb682e6505 (diff) | |
| parent | cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Conflicts:
drivers/net/wireless/iwlegacy/iwl-debugfs.c
drivers/net/wireless/iwlegacy/iwl-rx.c
drivers/net/wireless/iwlegacy/iwl-scan.c
drivers/net/wireless/iwlegacy/iwl-tx.c
include/net/bluetooth/bluetooth.h
Diffstat (limited to 'arch/arm/plat-mxc/gic.c')
| -rw-r--r-- | arch/arm/plat-mxc/gic.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/gic.c b/arch/arm/plat-mxc/gic.c new file mode 100644 index 00000000000..12f8f810901 --- /dev/null +++ b/arch/arm/plat-mxc/gic.c @@ -0,0 +1,41 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. + * Copyright 2011 Linaro Ltd. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/io.h> +#include <asm/exception.h> +#include <asm/localtimer.h> +#include <asm/hardware/gic.h> +#ifdef CONFIG_SMP +#include <asm/smp.h> +#endif + +asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs) +{ + u32 irqstat, irqnr; + + do { + irqstat = readl_relaxed(gic_cpu_base_addr + GIC_CPU_INTACK); + irqnr = irqstat & 0x3ff; + if (irqnr == 1023) + break; + + if (irqnr > 15 && irqnr < 1021) + handle_IRQ(irqnr, regs); +#ifdef CONFIG_SMP + else { + writel_relaxed(irqstat, gic_cpu_base_addr + + GIC_CPU_EOI); + handle_IPI(irqnr, regs); + } +#endif + } while (1); +} |