From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: [PATCH v2 04/21] mips: ralink: convert to use unflatten_and_copy_device_tree Date: Tue, 22 Apr 2014 20:18:04 -0500 Message-ID: <1398215901-25609-5-git-send-email-robherring2@gmail.com> References: <1398215901-25609-1-git-send-email-robherring2@gmail.com> Return-path: In-Reply-To: <1398215901-25609-1-git-send-email-robherring2@gmail.com> Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: To: Grant Likely , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Rob Herring , Ralf Baechle , linux-mips@linux-mips.org List-Id: devicetree@vger.kernel.org From: Rob Herring The ralink FDT code can be simplified by using unflatten_and_copy_device_tree function. This removes all accesses to FDT header data by the arch code. Signed-off-by: Rob Herring Cc: Ralf Baechle Cc: linux-mips@linux-mips.org --- v2: no change arch/mips/ralink/of.c | 25 +------------------------ 1 file changed, 1 insertion(+), 24 deletions(-) diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c index eccc552..0170d82 100644 --- a/arch/mips/ralink/of.c +++ b/arch/mips/ralink/of.c @@ -52,30 +52,7 @@ __iomem void *plat_of_remap_node(const char *node) void __init device_tree_init(void) { - unsigned long base, size; - void *fdt_copy; - - 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_bootmem(base, size, BOOTMEM_DEFAULT); - - /* The strings in the flattened tree are referenced directly by the - * device tree, so copy the flattened device tree from init memory - * to regular memory. - */ - fdt_copy = alloc_bootmem(size); - memcpy(fdt_copy, initial_boot_params, size); - initial_boot_params = fdt_copy; - - unflatten_device_tree(); - - /* free the space reserved for the dt blob */ - free_bootmem(base, size); + unflatten_and_copy_device_tree(); } void __init plat_mem_setup(void) -- 1.9.1