linux-mips
[Top] [All Lists]

[PATCH v2 16/29] mips: use early_init_dt_scan

To: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
Subject: [PATCH v2 16/29] mips: use early_init_dt_scan
From: Rob Herring <robherring2@gmail.com>
Date: Mon, 7 Oct 2013 11:29:24 -0500
Cc: Grant Likely <grant.likely@linaro.org>, Rob Herring <rob.herring@calxeda.com>, Ralf Baechle <ralf@linux-mips.org>, linux-mips@linux-mips.org
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=bggc/4Havbqze5K7S8xCD2P6+UuWMQ+3+sEc9dc+yxU=; b=vmqWoM/2YkwbdphBA9jTzD0nDABJemT7Fgkxt8Xsfe4IkQaLC9+hNebU6w3wPUBwou eCQZwqwUYT/+jaDKRN0Wf5utAKJY5JZ2926sGMDGe0GnWxME1p6NYNOnAqOn/eyBQkJo FFjCz36wRCkAH3+flX83ASFAnOpYtxlm3kYSIGKz3AE/aK/mIOgdCx7RusU2VGPHMrAc pIn8n1EMI8RIUNJpGKaZs2KdyJmzgW2nLIx9SmpprhdT79QLjklYAvzKS/J1l7IJAayH UydUUFqtvG3+eFvG0K4D9R/4hwBHLfV8Op01FalG4XPrDOdHpAET1HL3pON8QKKit7CL YJ/Q==
In-reply-to: <1381163377-21044-1-git-send-email-robherring2@gmail.com>
List-archive: <http://www.linux-mips.org/archives/linux-mips/>
List-help: <mailto:ecartis@linux-mips.org?Subject=help>
List-id: linux-mips <linux-mips.eddie.linux-mips.org>
List-owner: <mailto:ralf@linux-mips.org>
List-post: <mailto:linux-mips@linux-mips.org>
List-software: Ecartis version 1.0.0
List-subscribe: <mailto:ecartis@linux-mips.org?subject=subscribe%20linux-mips>
List-unsubscribe: <mailto:ecartis@linux-mips.org?subject=unsubscribe%20linux-mips>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1381163377-21044-1-git-send-email-robherring2@gmail.com>
Sender: linux-mips-bounce@linux-mips.org
From: Rob Herring <rob.herring@calxeda.com>

Convert mips to use new early_init_dt_scan function.

Remove early_init_dt_scan_memory_arch

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Acked-by: John Crispin <blogic@openwrt.org>
---
 arch/mips/include/asm/prom.h |  3 ---
 arch/mips/kernel/prom.c      | 39 +++------------------------------------
 2 files changed, 3 insertions(+), 39 deletions(-)

diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h
index 1e7e096..e3dbd0e 100644
--- a/arch/mips/include/asm/prom.h
+++ b/arch/mips/include/asm/prom.h
@@ -17,9 +17,6 @@
 #include <linux/types.h>
 #include <asm/bootinfo.h>
 
-extern int early_init_dt_scan_memory_arch(unsigned long node,
-       const char *uname, int depth, void *data);
-
 extern void device_tree_init(void);
 
 static inline unsigned long pci_address_to_pio(phys_addr_t address)
diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 0fa0b69..67a4c53 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -17,8 +17,6 @@
 #include <linux/debugfs.h>
 #include <linux/of.h>
 #include <linux/of_fdt.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
 
 #include <asm/page.h>
 #include <asm/prom.h>
@@ -40,13 +38,6 @@ char *mips_get_machine_name(void)
 }
 
 #ifdef CONFIG_OF
-int __init early_init_dt_scan_memory_arch(unsigned long node,
-                                         const char *uname, int depth,
-                                         void *data)
-{
-       return early_init_dt_scan_memory(node, uname, depth, data);
-}
-
 void __init early_init_dt_add_memory_arch(u64 base, u64 size)
 {
        return add_memory_region(base, size, BOOT_MEM_RAM);
@@ -78,36 +69,12 @@ int __init early_init_dt_scan_model(unsigned long node,     
const char *uname,
        return 0;
 }
 
-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);
-
-       /* try to load the mips machine name */
-       of_scan_flat_dt(early_init_dt_scan_model, NULL);
-}
-
 void __init __dt_setup_arch(struct boot_param_header *bph)
 {
-       if (be32_to_cpu(bph->magic) != OF_DT_HEADER) {
-               pr_err("DTB has bad magic, ignoring builtin OF DTB\n");
-
+       if (!early_init_dt_scan(bph))
                return;
-       }
-
-       initial_boot_params = bph;
 
-       early_init_devtree(initial_boot_params);
+       /* try to load the mips machine name */
+       of_scan_flat_dt(early_init_dt_scan_model, NULL);
 }
 #endif
-- 
1.8.1.2


<Prev in Thread] Current Thread [Next in Thread>
  • [PATCH v2 16/29] mips: use early_init_dt_scan, Rob Herring <=