[PATCH 4/4] MIPS: Loongson64: Load platform device during boot This patch just add pdev during boot to load the platform driver

From: jiaxun . yang
Date: Sun Nov 12 2017 - 01:45:25 EST


From: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>

Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
---
arch/mips/loongson64/lemote-2f/Makefile | 2 +-
arch/mips/loongson64/lemote-2f/platform.c | 45 +++++++++++++++++++++++++++++++
2 files changed, 46 insertions(+), 1 deletion(-)
create mode 100644 arch/mips/loongson64/lemote-2f/platform.c

diff --git a/arch/mips/loongson64/lemote-2f/Makefile b/arch/mips/loongson64/lemote-2f/Makefile
index 08b8abcbfef5..31c90737b98c 100644
--- a/arch/mips/loongson64/lemote-2f/Makefile
+++ b/arch/mips/loongson64/lemote-2f/Makefile
@@ -2,7 +2,7 @@
# Makefile for lemote loongson2f family machines
#

-obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o
+obj-y += clock.o machtype.o irq.o reset.o ec_kb3310b.o platform.o

#
# Suspend Support
diff --git a/arch/mips/loongson64/lemote-2f/platform.c b/arch/mips/loongson64/lemote-2f/platform.c
new file mode 100644
index 000000000000..c36efcccb9a9
--- /dev/null
+++ b/arch/mips/loongson64/lemote-2f/platform.c
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2017 Jiaxun Yang.
+ * Author: Jiaxun Yang, jiaxun.yang@xxxxxxxxxxx
+
+ * Copyright (C) 2009 Lemote Inc.
+ * Author: Wu Zhangjin, wuzhangjin@xxxxxxxxx
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/err.h>
+#include <linux/platform_device.h>
+
+#include <asm/bootinfo.h>
+
+static struct platform_device yeeloong_pdev = {
+ .name = "yeeloong_laptop",
+ .id = -1,
+};
+
+
+static int __init lemote2f_platform_init(void)
+{
+ struct platform_device *pdev = NULL;
+
+ switch (mips_machtype) {
+ case MACH_LEMOTE_YL2F89:
+ pdev = &yeeloong_pdev;
+ break;
+
+ default:
+ break;
+
+ }
+
+ if (pdev != NULL)
+ return platform_device_register(pdev);
+
+ return -ENODEV;
+}
+
+arch_initcall(lemote2f_platform_init);
--
2.14.1