diff options
| author | Shawn Guo <shawn.guo@freescale.com> | 2014-05-19 20:19:06 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@freescale.com> | 2014-07-18 16:10:06 +0800 |
| commit | fffa051281f7cb2729abe584d111e064f609f2ab (patch) | |
| tree | c226cbae0719d2d4e0de9c96b94f709b985e8d91 /arch/arm/mach-imx/tzic.c | |
| parent | b674cf2fb59a9df165a2c7b8ff601f438d9763d1 (diff) | |
ARM: imx5: tzic_init_irq() can directly be .init_irq hook
After i.MX51 supports DT only, tzic_init_irq() can figure out the
tzic_base on its own. Thus, it can directly be .init_irq hook, and
mx51[53]_init_irq() can be saved.
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Diffstat (limited to 'arch/arm/mach-imx/tzic.c')
| -rw-r--r-- | arch/arm/mach-imx/tzic.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm/mach-imx/tzic.c b/arch/arm/mach-imx/tzic.c index 7828af4b2022..1d4f384ca773 100644 --- a/arch/arm/mach-imx/tzic.c +++ b/arch/arm/mach-imx/tzic.c @@ -17,6 +17,7 @@ #include <linux/io.h> #include <linux/irqdomain.h> #include <linux/of.h> +#include <linux/of_address.h> #include <asm/mach/irq.h> #include <asm/exception.h> @@ -153,13 +154,16 @@ static void __exception_irq_entry tzic_handle_irq(struct pt_regs *regs) * interrupts. It registers the interrupt enable and disable functions * to the kernel for each interrupt source. */ -void __init tzic_init_irq(void __iomem *irqbase) +void __init tzic_init_irq(void) { struct device_node *np; int irq_base; int i; - tzic_base = irqbase; + np = of_find_compatible_node(NULL, NULL, "fsl,tzic"); + tzic_base = of_iomap(np, 0); + WARN_ON(!tzic_base); + /* put the TZIC into the reset value with * all interrupts disabled */ @@ -181,7 +185,6 @@ void __init tzic_init_irq(void __iomem *irqbase) irq_base = irq_alloc_descs(-1, 0, TZIC_NUM_IRQS, numa_node_id()); WARN_ON(irq_base < 0); - np = of_find_compatible_node(NULL, NULL, "fsl,tzic"); domain = irq_domain_add_legacy(np, TZIC_NUM_IRQS, irq_base, 0, &irq_domain_simple_ops, NULL); WARN_ON(!domain); |