mpc85xx: add 3.14 kernel support for mpc85xx platform

[openwrt/svn-archive/archive.git] / target / linux / mpc85xx / patches-3.14 / 120-mpc8548_cds_i8259_noirq_init.patch

diff --git a/target/linux/mpc85xx/patches-3.14/120-mpc8548_cds_i8259_noirq_init.patch b/target/linux/mpc85xx/patches-3.14/120-mpc8548_cds_i8259_noirq_init.patch
new file mode 100644 (file)
index 0000000..81b9193
--- /dev/null
+++ b/target/linux/mpc85xx/patches-3.14/120-mpc8548_cds_i8259_noirq_init.patch
@@ -0,0 +1,23 @@
+--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
++++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+@@ -247,15 +247,16 @@ static int mpc85xx_cds_8259_attach(void)
+               return -ENODEV;
+       }
+ 
++      i8259_init(cascade_node, 0);
++      of_node_put(cascade_node);
++
+       cascade_irq = irq_of_parse_and_map(cascade_node, 0);
+       if (cascade_irq == NO_IRQ) {
+-              printk(KERN_ERR "Failed to map cascade interrupt\n");
++              of_node_put(cascade_node);
++              printk(KERN_DEBUG "No interrupt for i8259 PIC\n");
+               return -ENXIO;
+       }
+ 
+-      i8259_init(cascade_node, 0);
+-      of_node_put(cascade_node);
+-
+       /*
+        *  Hook the interrupt to make sure desc->action is never NULL.
+        *  This is required to ensure that the interrupt does not get