To create platform device for RTC to call platform driver successfully.
Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxxxxxx>
---
arch/mips/configs/malta_defconfig | 4 +-
arch/mips/mti-malta/Makefile | 2 +-
arch/mips/mti-malta/malta-rtc.c | 73 +++++++++++++++++++++++++++++++++++++
3 files changed, 76 insertions(+), 3 deletions(-)
create mode 100644 arch/mips/mti-malta/malta-rtc.c
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index 74daa0c..f84bdf6 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -1126,7 +1126,6 @@ CONFIG_LEGACY_PTY_COUNT=256
# CONFIG_IPMI_HANDLER is not set
# CONFIG_WATCHDOG is not set
CONFIG_HW_RANDOM=m
-CONFIG_RTC=y
# CONFIG_R3964 is not set
# CONFIG_APPLICOM is not set
# CONFIG_DRM is not set
@@ -1199,7 +1198,8 @@ CONFIG_USB_ARCH_HAS_EHCI=y
# CONFIG_MMC is not set
# CONFIG_NEW_LEDS is not set
# CONFIG_INFINIBAND is not set
-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_CMOS=y
#
# DMA Engine support
diff --git a/arch/mips/mti-malta/Makefile b/arch/mips/mti-malta/Makefile
index cef2db8..26284fc 100644
--- a/arch/mips/mti-malta/Makefile
+++ b/arch/mips/mti-malta/Makefile
@@ -9,7 +9,7 @@ obj-y := malta-amon.o malta-cmdline.o \
malta-display.o malta-init.o malta-int.o \
malta-memory.o malta-mtd.o \
malta-platform.o malta-reset.o \
- malta-setup.o malta-time.o
+ malta-setup.o malta-time.o malta-rtc.o
obj-$(CONFIG_EARLY_PRINTK) += malta-console.o
obj-$(CONFIG_PCI) += malta-pci.o
diff --git a/arch/mips/mti-malta/malta-rtc.c b/arch/mips/mti-malta/malta-rtc.c
new file mode 100644
index 0000000..b987c31
--- /dev/null
+++ b/arch/mips/mti-malta/malta-rtc.c
@@ -0,0 +1,73 @@
+/*
+ * Registration of Malta RTC platform device.
+ *
+ * Copyright (C) 2008 Tiejun Chen <tiejun.chen@xxxxxxxxxxxxx>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/mc146818rtc.h>
+#include <linux/platform_device.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+
+static struct resource malta_platform_rtc_resource[] __initdata = {
+ {
+ .start = RTC_PORT(0),
+ .end = RTC_PORT(7),
+ .flags = IORESOURCE_IO,
+ },
+ {
+ .start = RTC_IRQ,
+ .end = RTC_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static __init int malta_platform_rtc_add(void)
+{
+ struct platform_device *pdev;
+ int ret;
+
+ pdev = platform_device_alloc("rtc_cmos", -1);
+ if (!pdev)
+ return -ENOMEM;
+
+ ret = platform_device_add_resources(pdev, malta_platform_rtc_resource,
+ ARRAY_SIZE(malta_platform_rtc_resource));
+ if (ret)
+ goto err;
+
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto err;
+
+ /* Try setting rtc as BCD mode to support
+ * current alarm code if possible.
+ */
+ if (!RTC_ALWAYS_BCD)
+ CMOS_WRITE(CMOS_READ(RTC_CONTROL) & ~RTC_DM_BINARY, RTC_CONTROL);
+
+ return 0;
+
+err:
+ platform_device_put(pdev);
+
+ return ret;
+}
+
+device_initcall(malta_platform_rtc_add);
+
--
1.5.5.1
