ARM: GIC: private a standard get_irqnr_preamble assembler macro

Provide a standard get_irqnr_preamble assembler macro for platforms
to use, which retrieves the base address of the GIC CPU interface
from gic_cpu_base_addr.  Allow platforms to override this by defining
HAVE_GET_IRQNR_PREAMBLE.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

7 files changed, 10 insertions, 16 deletions

diff --git a/arch/arm/include/asm/hardware/entry-macro-gic.S b/arch/arm/include/asm/hardware/entry-macro-gic.S
index 05587f125a1..c115b82fe80 100644
--- a/arch/arm/include/asm/hardware/entry-macro-gic.S
+++ b/arch/arm/include/asm/hardware/entry-macro-gic.S
@@ -10,6 +10,13 @@
 
 #include <asm/hardware/gic.h>
 
+#ifndef HAVE_GET_IRQNR_PREAMBLE
+        .macro  get_irqnr_preamble, base, tmp
+        ldr     \base, =gic_cpu_base_addr
+        ldr     \base, [\base]
+        .endm
+#endif
+
 /*
  * The interrupt numbering scheme is defined in the
  * interrupt controller spec.  To wit:
diff --git a/arch/arm/mach-cns3xxx/include/mach/entry-macro.S b/arch/arm/mach-cns3xxx/include/mach/entry-macro.S
index e793c337672..6bd83ed90af 100644
--- a/arch/arm/mach-cns3xxx/include/mach/entry-macro.S
+++ b/arch/arm/mach-cns3xxx/include/mach/entry-macro.S
@@ -14,10 +14,5 @@
                 .macro  disable_fiq
                 .endm
 
-                .macro  get_irqnr_preamble, base, tmp
-                ldr     \base, =gic_cpu_base_addr
-                ldr     \base, [\base]
-                .endm
-
                 .macro  arch_ret_to_user, tmp1, tmp2
                 .endm
diff --git a/arch/arm/mach-omap2/include/mach/entry-macro.S b/arch/arm/mach-omap2/include/mach/entry-macro.S
index 2e358df3fe1..d54c4f89a8b 100644
--- a/arch/arm/mach-omap2/include/mach/entry-macro.S
+++ b/arch/arm/mach-omap2/include/mach/entry-macro.S
@@ -170,6 +170,7 @@ omap_irq_base:	.word	0
 
 
 #ifdef CONFIG_ARCH_OMAP4
+#define HAVE_GET_IRQNR_PREAMBLE
 #include <asm/hardware/entry-macro-gic.S>
 
                 .macro  get_irqnr_preamble, base, tmp
diff --git a/arch/arm/mach-realview/include/mach/entry-macro.S b/arch/arm/mach-realview/include/mach/entry-macro.S
index 4417b103961..4071164aeba 100644
--- a/arch/arm/mach-realview/include/mach/entry-macro.S
+++ b/arch/arm/mach-realview/include/mach/entry-macro.S
@@ -13,11 +13,6 @@
                 .macro  disable_fiq
                 .endm
 
-                .macro  get_irqnr_preamble, base, tmp
-                ldr     \base, =gic_cpu_base_addr
-                ldr     \base, [\base]
-                .endm
-
                 .macro  arch_ret_to_user, tmp1, tmp2
                 .endm
 
diff --git a/arch/arm/mach-tegra/include/mach/entry-macro.S b/arch/arm/mach-tegra/include/mach/entry-macro.S
index dc092491518..dd165c53889 100644
--- a/arch/arm/mach-tegra/include/mach/entry-macro.S
+++ b/arch/arm/mach-tegra/include/mach/entry-macro.S
@@ -16,7 +16,7 @@
 #include <mach/io.h>
 
 #if defined(CONFIG_ARM_GIC)
-
+#define HAVE_GET_IRQNR_PREAMBLE
 #include <asm/hardware/entry-macro-gic.S>
 
         /* Uses the GIC interrupt controller built into the cpu */
diff --git a/arch/arm/mach-ux500/include/mach/entry-macro.S b/arch/arm/mach-ux500/include/mach/entry-macro.S
index 3cc3cdf5518..a37f585a3ec 100644
--- a/arch/arm/mach-ux500/include/mach/entry-macro.S
+++ b/arch/arm/mach-ux500/include/mach/entry-macro.S
@@ -11,6 +11,7 @@
  * warranty of any kind, whether express or implied.
  */
 #include <mach/hardware.h>
+#define HAVE_GET_IRQNR_PREAMBLE
 #include <asm/hardware/entry-macro-gic.S>
 
                 .macro  disable_fiq
diff --git a/arch/arm/mach-vexpress/include/mach/entry-macro.S b/arch/arm/mach-vexpress/include/mach/entry-macro.S
index 19d5ac8ba07..73c11297509 100644
--- a/arch/arm/mach-vexpress/include/mach/entry-macro.S
+++ b/arch/arm/mach-vexpress/include/mach/entry-macro.S
@@ -3,10 +3,5 @@
         .macro  disable_fiq
         .endm
 
-        .macro  get_irqnr_preamble, base, tmp
-        ldr     \base, =gic_cpu_base_addr
-        ldr     \base, [\base]
-        .endm
-
         .macro  arch_ret_to_user, tmp1, tmp2
         .endm