diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.18/0037-MIPS-lantiq-move-eiu-init-after-irq_domain-register.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.18/0037-MIPS-lantiq-move-eiu-init-after-irq_domain-register.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.18/0037-MIPS-lantiq-move-eiu-init-after-irq_domain-register.patch b/target/linux/lantiq/patches-3.18/0037-MIPS-lantiq-move-eiu-init-after-irq_domain-register.patch new file mode 100644 index 0000000000..32e4ab89d9 --- /dev/null +++ b/target/linux/lantiq/patches-3.18/0037-MIPS-lantiq-move-eiu-init-after-irq_domain-register.patch @@ -0,0 +1,74 @@ +From baea71233ed1796651cab6ead484a18666a765aa Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Thu, 11 Sep 2014 19:25:25 +0200 +Subject: [PATCH] MIPS: lantiq: move eiu init after irq_domain register + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/lantiq/irq.c | 48 ++++++++++++++++++++++++------------------------ + 1 file changed, 24 insertions(+), 24 deletions(-) + +--- a/arch/mips/lantiq/irq.c ++++ b/arch/mips/lantiq/irq.c +@@ -380,30 +380,6 @@ int __init icu_of_init(struct device_nod + panic("Failed to remap icu memory"); + } + +- /* the external interrupts are optional and xway only */ +- eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu-xway"); +- if (eiu_node && !of_address_to_resource(eiu_node, 0, &res)) { +- /* find out how many external irq sources we have */ +- exin_avail = of_irq_count(eiu_node); +- +- if (exin_avail > MAX_EIU) +- exin_avail = MAX_EIU; +- +- ret = of_irq_to_resource_table(eiu_node, +- ltq_eiu_irq, exin_avail); +- if (ret != exin_avail) +- panic("failed to load external irq resources"); +- +- if (request_mem_region(res.start, resource_size(&res), +- res.name) < 0) +- pr_err("Failed to request eiu memory"); +- +- ltq_eiu_membase = ioremap_nocache(res.start, +- resource_size(&res)); +- if (!ltq_eiu_membase) +- panic("Failed to remap eiu memory"); +- } +- + /* turn off all irqs by default */ + for (i = 0; i < MAX_IM; i++) { + /* make sure all irqs are turned off by default */ +@@ -460,6 +436,30 @@ int __init icu_of_init(struct device_nod + if (MIPS_CPU_TIMER_IRQ != 7) + irq_create_mapping(ltq_domain, MIPS_CPU_TIMER_IRQ); + ++ /* the external interrupts are optional and xway only */ ++ eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu-xway"); ++ if (eiu_node && !of_address_to_resource(eiu_node, 0, &res)) { ++ /* find out how many external irq sources we have */ ++ exin_avail = of_irq_count(eiu_node); ++ ++ if (exin_avail > MAX_EIU) ++ exin_avail = MAX_EIU; ++ ++ ret = of_irq_to_resource_table(eiu_node, ++ ltq_eiu_irq, exin_avail); ++ if (ret != exin_avail) ++ panic("failed to load external irq resources"); ++ ++ if (request_mem_region(res.start, resource_size(&res), ++ res.name) < 0) ++ pr_err("Failed to request eiu memory"); ++ ++ ltq_eiu_membase = ioremap_nocache(res.start, ++ resource_size(&res)); ++ if (!ltq_eiu_membase) ++ panic("Failed to remap eiu memory"); ++ } ++ + return 0; + } + |