linux-kernel - [PATCH 2/8] MIPS: Prune some target specific code out of prom.c

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Date:	Thu, 10 Nov 2011 18:21:58 -0800
From:	ddaney.cavm@...il.com
To:	linux-mips@...ux-mips.org, ralf@...ux-mips.org,
	devicetree-discuss@...ts.ozlabs.org, grant.likely@...retlab.ca,
	linux-kernel@...r.kernel.org
Cc:	David Daney <david.daney@...ium.com>
Subject: [PATCH 2/8] MIPS: Prune some target specific code out of prom.c

From: David Daney <david.daney@...ium.com>

This code is not common enough to be in a shared file.  It is also not
used by any existing boards, so just remove it.

Signed-off-by: David Daney <david.daney@...ium.com>
---
 arch/mips/kernel/prom.c |   50 -----------------------------------------------
 1 files changed, 0 insertions(+), 50 deletions(-)

diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 6b8b420..04bf462 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -59,53 +59,3 @@ void __init early_init_dt_setup_initrd_arch(unsigned long start,
 	initrd_below_start_ok = 1;
 }
 #endif
-
-/*
- * irq_create_of_mapping - Hook to resolve OF irq specifier into a Linux irq#
- *
- * Currently the mapping mechanism is trivial; simple flat hwirq numbers are
- * mapped 1:1 onto Linux irq numbers.  Cascaded irq controllers are not
- * supported.
- */
-unsigned int irq_create_of_mapping(struct device_node *controller,
-				   const u32 *intspec, unsigned int intsize)
-{
-	return intspec[0];
-}
-EXPORT_SYMBOL_GPL(irq_create_of_mapping);
-
-void __init early_init_devtree(void *params)
-{
-	/* Setup flat device-tree pointer */
-	initial_boot_params = params;
-
-	/* Retrieve various informations from the /chosen node of the
-	 * device-tree, including the platform type, initrd location and
-	 * size, and more ...
-	 */
-	of_scan_flat_dt(early_init_dt_scan_chosen, arcs_cmdline);
-
-
-	/* Scan memory nodes */
-	of_scan_flat_dt(early_init_dt_scan_root, NULL);
-	of_scan_flat_dt(early_init_dt_scan_memory_arch, NULL);
-}
-
-void __init device_tree_init(void)
-{
-	unsigned long base, size;
-
-	if (!initial_boot_params)
-		return;
-
-	base = virt_to_phys((void *)initial_boot_params);
-	size = be32_to_cpu(initial_boot_params->totalsize);
-
-	/* Before we do anything, lets reserve the dt blob */
-	reserve_mem_mach(base, size);
-
-	unflatten_device_tree();
-
-	/* free the space reserved for the dt blob */
-	free_mem_mach(base, size);
-}
-- 
1.7.2.3

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