[POWERPC] Add correct interrupt property for pegasos ide

The firmware assigns irq 20/21 to the VIA IDE device on Pegasos.
But the required interrupt is 14/15.
Maybe someone confused decimal vs. hexadecimal values.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>

2 files changed, 33 insertions, 33 deletions

diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 4fb5938ce6d3..e27d9d1b6e67 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -2035,39 +2035,50 @@ static void __init fixup_device_tree_maple(void)
 #endif
 
 #ifdef CONFIG_PPC_CHRP
-/* Pegasos and BriQ lacks the "ranges" property in the isa node */
+/*
+ * Pegasos and BriQ lacks the "ranges" property in the isa node
+ * Pegasos needs decimal IRQ 14/15, not hexadecimal
+ */
 static void __init fixup_device_tree_chrp(void)
 {
-        phandle isa;
-        u32 isa_ranges[6];
+        phandle ph;
+        u32 prop[6];
         u32 rloc = 0x01006000; /* IO space; PCI device = 12 */
         char *name;
         int rc;
 
         name = "/pci@80000000/isa@c";
-        isa = call_prom("finddevice", 1, 1, ADDR(name));
-        if (!PHANDLE_VALID(isa)) {
+        ph = call_prom("finddevice", 1, 1, ADDR(name));
+        if (!PHANDLE_VALID(ph)) {
                 name = "/pci@ff500000/isa@6";
-                isa = call_prom("finddevice", 1, 1, ADDR(name));
+                ph = call_prom("finddevice", 1, 1, ADDR(name));
                 rloc = 0x01003000; /* IO space; PCI device = 6 */
         }
-        if (!PHANDLE_VALID(isa))
-                return;
-
-        rc = prom_getproplen(isa, "ranges");
-        if (rc != 0 && rc != PROM_ERROR)
-                return;
-
-        prom_printf("Fixing up missing ISA range on Pegasos...\n");
+        if (PHANDLE_VALID(ph)) {
+                rc = prom_getproplen(ph, "ranges");
+                if (rc == 0 || rc == PROM_ERROR) {
+                        prom_printf("Fixing up missing ISA range on Pegasos...\n");
+
+                        prop[0] = 0x1;
+                        prop[1] = 0x0;
+                        prop[2] = rloc;
+                        prop[3] = 0x0;
+                        prop[4] = 0x0;
+                        prop[5] = 0x00010000;
+                        prom_setprop(ph, name, "ranges", prop, sizeof(prop));
+                }
+        }
 
-        isa_ranges[0] = 0x1;
-        isa_ranges[1] = 0x0;
-        isa_ranges[2] = rloc;
-        isa_ranges[3] = 0x0;
-        isa_ranges[4] = 0x0;
-        isa_ranges[5] = 0x00010000;
-        prom_setprop(isa, name, "ranges",
-                        isa_ranges, sizeof(isa_ranges));
+        name = "/pci@80000000/ide@C,1";
+        ph = call_prom("finddevice", 1, 1, ADDR(name));
+        if (PHANDLE_VALID(ph)) {
+                prom_printf("Fixing up IDE interrupt on Pegasos...\n");
+                prop[0] = 14;
+                prop[1] = 0x0;
+                prop[2] = 15;
+                prop[3] = 0x0;
+                prom_setprop(ph, name, "interrupts", prop, 4*sizeof(u32));
+        }
 }
 #else
 #define fixup_device_tree_chrp()
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index a508550c4095..8cc5423892ac 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -35,10 +35,6 @@
 #include <linux/ide.h>
 #include <asm/io.h>
 
-#ifdef CONFIG_PPC_CHRP
-#include <asm/processor.h>
-#endif
-
 #include "ide-timing.h"
 
 #define DISPLAY_VIA_TIMINGS
@@ -436,13 +432,6 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
         hwif->tuneproc = &via82cxxx_tune_drive;
         hwif->speedproc = &via_set_drive;
 
-
-#ifdef CONFIG_PPC_CHRP
-        if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) {
-                hwif->irq = hwif->channel ? 15 : 14;
-        }
-#endif
-
         for (i = 0; i < 2; i++) {
                 hwif->drives[i].io_32bit = 1;
                 hwif->drives[i].unmask = (vdev->via_config->flags & VIA_NO_UNMASK) ? 0 : 1;