of/fdt: consolidate built-in dtb section variables

Unify the various architectures __dtb_start and __dtb_end definitions moving them into of_fdt.h. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Vineet Gupta <vgupta@synopsys.com> Acked-by: James Hogan <james.hogan@imgtec.com> Tested-by: Michal Simek <michal.simek@xilinx.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Jonas Bonn <jonas@southpole.se> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: linux-metag@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: linux@lists.openrisc.net Cc: linux-xtensa@linux-xtensa.org Tested-by: Grant Likely <grant.likely@linaro.org> Tested-by: Stephen Chivers <schivers@csc.com>
mariux64 · Apr 30, 2014 · ccf3356 · ccf3356
1 parent 0cdde83
commit ccf3356
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Showing 9 changed files with 4 additions and 15 deletions.
diff --git a/arch/arc/include/asm/sections.h b/arch/arc/include/asm/sections.h
@@ -12,6 +12,5 @@
 #include <asm-generic/sections.h>
 
 extern char __arc_dccm_base[];
-extern char __dtb_start[];
 
 #endif
diff --git a/arch/metag/kernel/setup.c b/arch/metag/kernel/setup.c
@@ -105,10 +105,6 @@
 
 extern char _heap_start[];
 
-#ifdef CONFIG_METAG_BUILTIN_DTB
-extern u32 __dtb_start[];
-#endif
-
 #ifdef CONFIG_DA_CONSOLE
 /* Our early channel based console driver */
 extern struct console dash_console;

diff --git a/arch/mips/include/asm/mips-boards/generic.h b/arch/mips/include/asm/mips-boards/generic.h
@@ -67,8 +67,6 @@
 
 extern int mips_revision_sconid;
 
-extern char __dtb_start[];
-
 #ifdef CONFIG_PCI
 extern void mips_pcibios_init(void);
 #else

diff --git a/arch/mips/lantiq/prom.h b/arch/mips/lantiq/prom.h
@@ -26,6 +26,4 @@ struct ltq_soc_info {
 extern void ltq_soc_detect(struct ltq_soc_info *i);
 extern void ltq_soc_init(void);
 
-extern char __dtb_start[];
-
 #endif
diff --git a/arch/mips/netlogic/xlp/dt.c b/arch/mips/netlogic/xlp/dt.c
@@ -42,7 +42,7 @@
 #include <asm/prom.h>
 
 extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[],
-	__dtb_xlp_fvp_begin[], __dtb_xlp_gvp_begin[], __dtb_start[];
+	__dtb_xlp_fvp_begin[], __dtb_xlp_gvp_begin[];
 static void *xlp_fdt_blob;
 
 void __init *xlp_dt_init(void *fdtp)

diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
@@ -28,8 +28,6 @@
 __iomem void *rt_sysc_membase;
 __iomem void *rt_memc_membase;
 
-extern char __dtb_start[];
-
 __iomem void *plat_of_remap_node(const char *node)
 {
 	struct resource res;

diff --git a/arch/openrisc/kernel/vmlinux.h b/arch/openrisc/kernel/vmlinux.h
@@ -5,6 +5,4 @@
 extern char __initrd_start, __initrd_end;
 #endif
 
-extern u32 __dtb_start[];
-
 #endif
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
@@ -73,7 +73,6 @@ extern int initrd_below_start_ok;
 #endif
 
 #ifdef CONFIG_OF
-extern u32 __dtb_start[];
 void *dtb_start = __dtb_start;
 #endif
 

diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h
@@ -80,6 +80,9 @@ extern int __initdata dt_root_addr_cells;
 extern int __initdata dt_root_size_cells;
 extern struct boot_param_header *initial_boot_params;
 
+extern char __dtb_start[];
+extern char __dtb_end[];
+
 /* For scanning the flat device-tree at boot time */
 extern char *find_flat_dt_string(u32 offset);
 extern int of_scan_flat_dt(int (*it)(unsigned long node, const char *uname,