11 files changed, 11 insertions, 56 deletions

diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 62022eacf63e..fae6335193ef 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -87,6 +87,11 @@ extern void chrp_init(unsigned long r3, unsigned long r4,
 dev_t boot_dev;
 #endif /* CONFIG_PPC_MULTIPLATFORM */
 
+#ifdef __DO_IRQ_CANON
+int ppc_do_canonicalize_irqs;
+EXPORT_SYMBOL(ppc_do_canonicalize_irqs);
+#endif
+
 #ifdef CONFIG_MAGIC_SYSRQ
 unsigned long SYSRQ_KEY = 0x54;
 #endif /* CONFIG_MAGIC_SYSRQ */
diff --git a/arch/ppc/platforms/chestnut.c b/arch/ppc/platforms/chestnut.c
index 7786818bd9d0..b3d3bdb3936b 100644
--- a/arch/ppc/platforms/chestnut.c
+++ b/arch/ppc/platforms/chestnut.c
@@ -542,7 +542,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
         ppc_md.setup_arch = chestnut_setup_arch;
         ppc_md.show_cpuinfo = chestnut_show_cpuinfo;
-        ppc_md.irq_canonicalize = NULL;
         ppc_md.init_IRQ = mv64360_init_irq;
         ppc_md.get_irq = mv64360_get_irq;
         ppc_md.init = NULL;
diff --git a/arch/ppc/platforms/chrp_setup.c b/arch/ppc/platforms/chrp_setup.c
index 47b154c27617..a0cf1b6fdbfe 100644
--- a/arch/ppc/platforms/chrp_setup.c
+++ b/arch/ppc/platforms/chrp_setup.c
@@ -337,14 +337,6 @@ chrp_halt(void)
         chrp_power_off();
 }
 
-u_int
-chrp_irq_canonicalize(u_int irq)
-{
-        if (irq == 2)
-                return 9;
-        return irq;
-}
-
 /*
  * Finds the open-pic node and sets OpenPIC_Addr based on its reg property.
  * Then checks if it has an interrupt-ranges property.  If it does then
@@ -500,6 +492,7 @@ chrp_init(unsigned long r3, unsigned long r4, unsigned long r5,
         DMA_MODE_READ = 0x44;
         DMA_MODE_WRITE = 0x48;
         isa_io_base = CHRP_ISA_IO_BASE;         /* default value */
+        ppc_do_canonicalize_irqs = 1;
 
         if (root)
                 machine = get_property(root, "model", NULL);
@@ -518,7 +511,6 @@ chrp_init(unsigned long r3, unsigned long r4, unsigned long r5,
         ppc_md.show_percpuinfo = of_show_percpuinfo;
         ppc_md.show_cpuinfo   = chrp_show_cpuinfo;
 
-        ppc_md.irq_canonicalize = chrp_irq_canonicalize;
         ppc_md.init_IRQ       = chrp_init_IRQ;
         if (_chrp_type == _CHRP_Pegasos)
                 ppc_md.get_irq        = i8259_irq;
diff --git a/arch/ppc/platforms/gemini_setup.c b/arch/ppc/platforms/gemini_setup.c
index e391e52383c7..a8ed5c0a2980 100644
--- a/arch/ppc/platforms/gemini_setup.c
+++ b/arch/ppc/platforms/gemini_setup.c
@@ -556,7 +556,6 @@ void __init platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
         ppc_md.setup_arch = gemini_setup_arch;
         ppc_md.show_cpuinfo = gemini_show_cpuinfo;
-        ppc_md.irq_canonicalize = NULL;
         ppc_md.init_IRQ = gemini_init_IRQ;
         ppc_md.get_irq = openpic_get_irq;
         ppc_md.init = NULL;
diff --git a/arch/ppc/platforms/lopec.c b/arch/ppc/platforms/lopec.c
index a5569525e0af..800c56a07a97 100644
--- a/arch/ppc/platforms/lopec.c
+++ b/arch/ppc/platforms/lopec.c
@@ -144,15 +144,6 @@ lopec_show_cpuinfo(struct seq_file *m)
         return 0;
 }
 
-static u32
-lopec_irq_canonicalize(u32 irq)
-{
-        if (irq == 2)
-                return 9;
-        else
-                return irq;
-}
-
 static void
 lopec_restart(char *cmd)
 {
@@ -379,10 +370,10 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
         ISA_DMA_THRESHOLD = 0x00ffffff;
         DMA_MODE_READ = 0x44;
         DMA_MODE_WRITE = 0x48;
+        ppc_do_canonicalize_irqs = 1;
 
         ppc_md.setup_arch = lopec_setup_arch;
         ppc_md.show_cpuinfo = lopec_show_cpuinfo;
-        ppc_md.irq_canonicalize = lopec_irq_canonicalize;
         ppc_md.init_IRQ = lopec_init_IRQ;
         ppc_md.get_irq = openpic_get_irq;
 
diff --git a/arch/ppc/platforms/pmac_setup.c b/arch/ppc/platforms/pmac_setup.c
index e6a12182bfbb..8e7b79b110e7 100644
--- a/arch/ppc/platforms/pmac_setup.c
+++ b/arch/ppc/platforms/pmac_setup.c
@@ -662,7 +662,6 @@ pmac_init(unsigned long r3, unsigned long r4, unsigned long r5,
         ppc_md.setup_arch     = pmac_setup_arch;
         ppc_md.show_cpuinfo   = pmac_show_cpuinfo;
         ppc_md.show_percpuinfo = pmac_show_percpuinfo;
-        ppc_md.irq_canonicalize = NULL;
         ppc_md.init_IRQ       = pmac_pic_init;
         ppc_md.get_irq        = pmac_get_irq; /* Changed later on ... */
 
diff --git a/arch/ppc/platforms/pplus.c b/arch/ppc/platforms/pplus.c
index 65705c911795..93e9c7b889f7 100644
--- a/arch/ppc/platforms/pplus.c
+++ b/arch/ppc/platforms/pplus.c
@@ -647,14 +647,6 @@ static void pplus_power_off(void)
         pplus_halt();
 }
 
-static unsigned int pplus_irq_canonicalize(u_int irq)
-{
-        if (irq == 2)
-                return 9;
-        else
-                return irq;
-}
-
 static void __init pplus_init_IRQ(void)
 {
         int i;
@@ -873,10 +865,10 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
         ISA_DMA_THRESHOLD = 0x00ffffff;
         DMA_MODE_READ = 0x44;
         DMA_MODE_WRITE = 0x48;
+        ppc_do_canonicalize_irqs = 1;
 
         ppc_md.setup_arch = pplus_setup_arch;
         ppc_md.show_cpuinfo = pplus_show_cpuinfo;
-        ppc_md.irq_canonicalize = pplus_irq_canonicalize;
         ppc_md.init_IRQ = pplus_init_IRQ;
         /* this gets changed later on if we have an OpenPIC -- Cort */
         ppc_md.get_irq = i8259_irq;
diff --git a/arch/ppc/platforms/prep_setup.c b/arch/ppc/platforms/prep_setup.c
index 8bc734fe6682..490ff175c902 100644
--- a/arch/ppc/platforms/prep_setup.c
+++ b/arch/ppc/platforms/prep_setup.c
@@ -942,19 +942,6 @@ prep_calibrate_decr(void)
                 todc_calibrate_decr();
 }
 
-static unsigned int
-prep_irq_canonicalize(u_int irq)
-{
-        if (irq == 2)
-        {
-                return 9;
-        }
-        else
-        {
-                return irq;
-        }
-}
-
 static void __init
 prep_init_IRQ(void)
 {
@@ -1110,6 +1097,7 @@ prep_init(unsigned long r3, unsigned long r4, unsigned long r5,
         ISA_DMA_THRESHOLD = 0x00ffffff;
         DMA_MODE_READ = 0x44;
         DMA_MODE_WRITE = 0x48;
+        ppc_do_canonicalize_irqs = 1;
 
         /* figure out what kind of prep workstation we are */
         if (have_residual_data) {
@@ -1136,7 +1124,6 @@ prep_init(unsigned long r3, unsigned long r4, unsigned long r5,
         ppc_md.setup_arch     = prep_setup_arch;
         ppc_md.show_percpuinfo = prep_show_percpuinfo;
         ppc_md.show_cpuinfo   = NULL; /* set in prep_setup_arch() */
-        ppc_md.irq_canonicalize = prep_irq_canonicalize;
         ppc_md.init_IRQ       = prep_init_IRQ;
         /* this gets changed later on if we have an OpenPIC -- Cort */
         ppc_md.get_irq        = i8259_irq;
diff --git a/arch/ppc/platforms/radstone_ppc7d.c b/arch/ppc/platforms/radstone_ppc7d.c
index 06ec30f7e2f4..3cf74aa5fed0 100644
--- a/arch/ppc/platforms/radstone_ppc7d.c
+++ b/arch/ppc/platforms/radstone_ppc7d.c
@@ -1426,6 +1426,7 @@ void __init platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
         ppc_md.setup_arch = ppc7d_setup_arch;
         ppc_md.init = ppc7d_init2;
         ppc_md.show_cpuinfo = ppc7d_show_cpuinfo;
+        /* XXX this is broken... */
         ppc_md.irq_canonicalize = ppc7d_irq_canonicalize;
         ppc_md.init_IRQ = ppc7d_init_irq;
         ppc_md.get_irq = ppc7d_get_irq;
diff --git a/arch/ppc/platforms/sandpoint.c b/arch/ppc/platforms/sandpoint.c
index 21e31346b12b..84c96cb9ac2b 100644
--- a/arch/ppc/platforms/sandpoint.c
+++ b/arch/ppc/platforms/sandpoint.c
@@ -509,15 +509,6 @@ sandpoint_init_IRQ(void)
         i8259_init(0xfef00000);
 }
 
-static u32
-sandpoint_irq_canonicalize(u32 irq)
-{
-        if (irq == 2)
-                return 9;
-        else
-                return irq;
-}
-
 static unsigned long __init
 sandpoint_find_end_of_memory(void)
 {
@@ -728,10 +719,10 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
         ISA_DMA_THRESHOLD = 0x00ffffff;
         DMA_MODE_READ = 0x44;
         DMA_MODE_WRITE = 0x48;
+        ppc_do_canonicalize_irqs = 1;
 
         ppc_md.setup_arch = sandpoint_setup_arch;
         ppc_md.show_cpuinfo = sandpoint_show_cpuinfo;
-        ppc_md.irq_canonicalize = sandpoint_irq_canonicalize;
         ppc_md.init_IRQ = sandpoint_init_IRQ;
         ppc_md.get_irq = openpic_get_irq;
 
diff --git a/arch/ppc/syslib/m8xx_setup.c b/arch/ppc/syslib/m8xx_setup.c
index 4c888da89b3c..c88e2d4dceb7 100644
--- a/arch/ppc/syslib/m8xx_setup.c
+++ b/arch/ppc/syslib/m8xx_setup.c
@@ -406,7 +406,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
         ppc_md.setup_arch               = m8xx_setup_arch;
         ppc_md.show_percpuinfo          = m8xx_show_percpuinfo;
-        ppc_md.irq_canonicalize = NULL;
         ppc_md.init_IRQ                 = m8xx_init_IRQ;
         ppc_md.get_irq                  = m8xx_get_irq;
         ppc_md.init                     = NULL;