Merge git://git.kernel.org/pub/scm/linux/kernel/git/kyle/rtc-parisc

* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/rtc-parisc:
  powerpc/ps3: Add rtc-ps3
  powerpc: Hook up rtc-generic, and kill rtc-ppc
  m68k: Hook up rtc-generic
  parisc: rtc: Rename rtc-parisc to rtc-generic
  parisc: rtc: Add missing module alias
  parisc: rtc: platform_driver_probe() fixups
  parisc: rtc: get_rtc_time() returns unsigned int

6 files changed, 207 insertions, 171 deletions

diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 56002f7d26bd..ffe34a12f446 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -688,22 +688,16 @@ config RTC_DRV_RS5C313
 	help
 	  If you say yes here you get support for the Ricoh RS5C313 RTC chips.
 
-config RTC_DRV_PARISC
-	tristate "PA-RISC firmware RTC support"
-	depends on PARISC
-	help
-	  Say Y or M here to enable RTC support on PA-RISC systems using
-	  firmware calls. If you do not know what you are doing, you should
+config RTC_DRV_GENERIC
+	tristate "Generic RTC support"
+	# Please consider writing a new RTC driver instead of using the generic
+	# RTC abstraction
+	depends on PARISC || M68K || PPC
+	help
+	  Say Y or M here to enable RTC support on systems using the generic
+	  RTC abstraction. If you do not know what you are doing, you should
 	  just say Y.
 
-config RTC_DRV_PPC
-       tristate "PowerPC machine dependent RTC support"
-       depends on PPC
-       help
-	 The PowerPC kernel has machine-specific functions for accessing
-	 the RTC. This exposes that functionality through the generic RTC
-	 class.
-
 config RTC_DRV_PXA
        tristate "PXA27x/PXA3xx"
        depends on ARCH_PXA
@@ -747,4 +741,13 @@ config RTC_DRV_MV
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-mv.
 
+config RTC_DRV_PS3
+	tristate "PS3 RTC"
+	depends on PPC_PS3
+	help
+	  If you say yes here you will get support for the RTC on PS3.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-ps3.
+
 endif # RTC_CLASS
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index e7b09986d26e..6c0639a14f09 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -56,8 +56,7 @@ obj-$(CONFIG_RTC_DRV_PCF8563)	+= rtc-pcf8563.o
 obj-$(CONFIG_RTC_DRV_PCF8583)	+= rtc-pcf8583.o
 obj-$(CONFIG_RTC_DRV_PL030)	+= rtc-pl030.o
 obj-$(CONFIG_RTC_DRV_PL031)	+= rtc-pl031.o
-obj-$(CONFIG_RTC_DRV_PARISC)	+= rtc-parisc.o
-obj-$(CONFIG_RTC_DRV_PPC)	+= rtc-ppc.o
+obj-$(CONFIG_RTC_DRV_GENERIC)	+= rtc-generic.o
 obj-$(CONFIG_RTC_DRV_PXA)	+= rtc-pxa.o
 obj-$(CONFIG_RTC_DRV_R9701)	+= rtc-r9701.o
 obj-$(CONFIG_RTC_DRV_RS5C313)	+= rtc-rs5c313.o
@@ -77,3 +76,4 @@ obj-$(CONFIG_RTC_DRV_VR41XX)	+= rtc-vr41xx.o
 obj-$(CONFIG_RTC_DRV_WM8350)	+= rtc-wm8350.o
 obj-$(CONFIG_RTC_DRV_X1205)	+= rtc-x1205.o
 obj-$(CONFIG_RTC_DRV_PCF50633)	+= rtc-pcf50633.o
+obj-$(CONFIG_RTC_DRV_PS3)	+= rtc-ps3.o
diff --git a/drivers/rtc/rtc-generic.c b/drivers/rtc/rtc-generic.c
new file mode 100644
index 000000000000..98322004ad2e
--- /dev/null
+++ b/drivers/rtc/rtc-generic.c
@@ -0,0 +1,84 @@
+/* rtc-generic: RTC driver using the generic RTC abstraction
+ *
+ * Copyright (C) 2008 Kyle McMartin <kyle@mcmartin.ca>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/time.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+
+#include <asm/rtc.h>
+
+static int generic_get_time(struct device *dev, struct rtc_time *tm)
+{
+	unsigned int ret = get_rtc_time(tm);
+
+	if (ret & RTC_BATT_BAD)
+		return -EOPNOTSUPP;
+
+	return rtc_valid_tm(tm);
+}
+
+static int generic_set_time(struct device *dev, struct rtc_time *tm)
+{
+	if (set_rtc_time(tm) < 0)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+static const struct rtc_class_ops generic_rtc_ops = {
+	.read_time = generic_get_time,
+	.set_time = generic_set_time,
+};
+
+static int __init generic_rtc_probe(struct platform_device *dev)
+{
+	struct rtc_device *rtc;
+
+	rtc = rtc_device_register("rtc-generic", &dev->dev, &generic_rtc_ops,
+				  THIS_MODULE);
+	if (IS_ERR(rtc))
+		return PTR_ERR(rtc);
+
+	platform_set_drvdata(dev, rtc);
+
+	return 0;
+}
+
+static int __exit generic_rtc_remove(struct platform_device *dev)
+{
+	struct rtc_device *rtc = platform_get_drvdata(dev);
+
+	rtc_device_unregister(rtc);
+
+	return 0;
+}
+
+static struct platform_driver generic_rtc_driver = {
+	.driver = {
+		.name = "rtc-generic",
+		.owner = THIS_MODULE,
+	},
+	.remove = __exit_p(generic_rtc_remove),
+};
+
+static int __init generic_rtc_init(void)
+{
+	return platform_driver_probe(&generic_rtc_driver, generic_rtc_probe);
+}
+
+static void __exit generic_rtc_fini(void)
+{
+	platform_driver_unregister(&generic_rtc_driver);
+}
+
+module_init(generic_rtc_init);
+module_exit(generic_rtc_fini);
+
+MODULE_AUTHOR("Kyle McMartin <kyle@mcmartin.ca>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Generic RTC driver");
+MODULE_ALIAS("platform:rtc-generic");
diff --git a/drivers/rtc/rtc-parisc.c b/drivers/rtc/rtc-parisc.c
deleted file mode 100644
index b966f56da976..000000000000
--- a/drivers/rtc/rtc-parisc.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* rtc-parisc: RTC for HP PA-RISC firmware
- *
- * Copyright (C) 2008 Kyle McMartin <kyle@mcmartin.ca>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/time.h>
-#include <linux/platform_device.h>
-#include <linux/rtc.h>
-
-#include <asm/rtc.h>
-
-static int parisc_get_time(struct device *dev, struct rtc_time *tm)
-{
-	unsigned long ret;
-
-	ret = get_rtc_time(tm);
-
-	if (ret & RTC_BATT_BAD)
-		return -EOPNOTSUPP;
-
-	return rtc_valid_tm(tm);
-}
-
-static int parisc_set_time(struct device *dev, struct rtc_time *tm)
-{
-	if (set_rtc_time(tm) < 0)
-		return -EOPNOTSUPP;
-
-	return 0;
-}
-
-static const struct rtc_class_ops parisc_rtc_ops = {
-	.read_time = parisc_get_time,
-	.set_time = parisc_set_time,
-};
-
-static int __init parisc_rtc_probe(struct platform_device *dev)
-{
-	struct rtc_device *rtc;
-
-	rtc = rtc_device_register("rtc-parisc", &dev->dev, &parisc_rtc_ops,
-				  THIS_MODULE);
-	if (IS_ERR(rtc))
-		return PTR_ERR(rtc);
-
-	platform_set_drvdata(dev, rtc);
-
-	return 0;
-}
-
-static int __exit parisc_rtc_remove(struct platform_device *dev)
-{
-	struct rtc_device *rtc = platform_get_drvdata(dev);
-
-	rtc_device_unregister(rtc);
-
-	return 0;
-}
-
-static struct platform_driver parisc_rtc_driver = {
-	.driver = {
-		.name = "rtc-parisc",
-		.owner = THIS_MODULE,
-	},
-	.probe = parisc_rtc_probe,
-	.remove = __devexit_p(parisc_rtc_remove),
-};
-
-static int __init parisc_rtc_init(void)
-{
-	return platform_driver_probe(&parisc_rtc_driver, parisc_rtc_probe);
-}
-
-static void __exit parisc_rtc_fini(void)
-{
-	platform_driver_unregister(&parisc_rtc_driver);
-}
-
-module_init(parisc_rtc_init);
-module_exit(parisc_rtc_fini);
-
-MODULE_AUTHOR("Kyle McMartin <kyle@mcmartin.ca>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("HP PA-RISC RTC driver");
diff --git a/drivers/rtc/rtc-ppc.c b/drivers/rtc/rtc-ppc.c
deleted file mode 100644
index c8e97e25ef7e..000000000000
--- a/drivers/rtc/rtc-ppc.c
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
- * RTC driver for ppc_md RTC functions
- *
- * © 2007 Red Hat, Inc.
- *
- * Author: David Woodhouse <dwmw2@infradead.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-
-#include <linux/module.h>
-#include <linux/err.h>
-#include <linux/rtc.h>
-#include <linux/platform_device.h>
-#include <asm/machdep.h>
-
-static int ppc_rtc_read_time(struct device *dev, struct rtc_time *tm)
-{
-	ppc_md.get_rtc_time(tm);
-	return 0;
-}
-
-static int ppc_rtc_set_time(struct device *dev, struct rtc_time *tm)
-{
-	return ppc_md.set_rtc_time(tm);
-}
-
-static const struct rtc_class_ops ppc_rtc_ops = {
-	.set_time = ppc_rtc_set_time,
-	.read_time = ppc_rtc_read_time,
-};
-
-static struct rtc_device *rtc;
-static struct platform_device *ppc_rtc_pdev;
-
-static int __init ppc_rtc_init(void)
-{
-	if (!ppc_md.get_rtc_time || !ppc_md.set_rtc_time)
-		return -ENODEV;
-
-	ppc_rtc_pdev = platform_device_register_simple("ppc-rtc", 0, NULL, 0);
-	if (IS_ERR(ppc_rtc_pdev))
-		return PTR_ERR(ppc_rtc_pdev);
-
-	rtc = rtc_device_register("ppc_md", &ppc_rtc_pdev->dev,
-				  &ppc_rtc_ops, THIS_MODULE);
-	if (IS_ERR(rtc)) {
-		platform_device_unregister(ppc_rtc_pdev);
-		return PTR_ERR(rtc);
-	}
-
-	return 0;
-}
-
-static void __exit ppc_rtc_exit(void)
-{
-	rtc_device_unregister(rtc);
-	platform_device_unregister(ppc_rtc_pdev);
-}
-
-module_init(ppc_rtc_init);
-module_exit(ppc_rtc_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");
-MODULE_DESCRIPTION("Generic RTC class driver for PowerPC");
diff --git a/drivers/rtc/rtc-ps3.c b/drivers/rtc/rtc-ps3.c
new file mode 100644
index 000000000000..968133ce1ee8
--- /dev/null
+++ b/drivers/rtc/rtc-ps3.c
@@ -0,0 +1,104 @@
+/*
+ * PS3 RTC Driver
+ *
+ * Copyright 2009 Sony Corporation
+ *
+ * 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; version 2 of the License.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+
+#include <asm/lv1call.h>
+#include <asm/ps3.h>
+
+
+static u64 read_rtc(void)
+{
+	int result;
+	u64 rtc_val;
+	u64 tb_val;
+
+	result = lv1_get_rtc(&rtc_val, &tb_val);
+	BUG_ON(result);
+
+	return rtc_val;
+}
+
+static int ps3_get_time(struct device *dev, struct rtc_time *tm)
+{
+	rtc_time_to_tm(read_rtc() + ps3_os_area_get_rtc_diff(), tm);
+	return rtc_valid_tm(tm);
+}
+
+static int ps3_set_time(struct device *dev, struct rtc_time *tm)
+{
+	unsigned long now;
+
+	rtc_tm_to_time(tm, &now);
+	ps3_os_area_set_rtc_diff(now - read_rtc());
+	return 0;
+}
+
+static const struct rtc_class_ops ps3_rtc_ops = {
+	.read_time = ps3_get_time,
+	.set_time = ps3_set_time,
+};
+
+static int __init ps3_rtc_probe(struct platform_device *dev)
+{
+	struct rtc_device *rtc;
+
+	rtc = rtc_device_register("rtc-ps3", &dev->dev, &ps3_rtc_ops,
+				  THIS_MODULE);
+	if (IS_ERR(rtc))
+		return PTR_ERR(rtc);
+
+	platform_set_drvdata(dev, rtc);
+	return 0;
+}
+
+static int __exit ps3_rtc_remove(struct platform_device *dev)
+{
+	rtc_device_unregister(platform_get_drvdata(dev));
+	return 0;
+}
+
+static struct platform_driver ps3_rtc_driver = {
+	.driver = {
+		.name = "rtc-ps3",
+		.owner = THIS_MODULE,
+	},
+	.remove = __exit_p(ps3_rtc_remove),
+};
+
+static int __init ps3_rtc_init(void)
+{
+	return platform_driver_probe(&ps3_rtc_driver, ps3_rtc_probe);
+}
+
+static void __exit ps3_rtc_fini(void)
+{
+	platform_driver_unregister(&ps3_rtc_driver);
+}
+
+module_init(ps3_rtc_init);
+module_exit(ps3_rtc_fini);
+
+MODULE_AUTHOR("Sony Corporation");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("ps3 RTC driver");
+MODULE_ALIAS("platform:rtc-ps3");