Merge tag 'rtc-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/…

…abelloni/linux Pull RTC updates from Alexandre Belloni: "RTC for 4.8 Cleanups: - huge cleanup of rtc-generic and char/genrtc this allowed to cleanup rtc-cmos, rtc-sh, rtc-m68k, rtc-powerpc and rtc-parisc - move mn10300 to rtc-cmos Subsystem: - fix wakealarms after hibernate - multiples fixes for rctest - simplify implementations of .read_alarm New drivers: - Maxim MAX6916 Drivers: - ds1307: fix weekday - m41t80: add wakeup support - pcf85063: add support for PCF85063A variant - rv8803: extend i2c fix and other fixes - s35390a: fix alarm reading, this fixes instant reboot after shutdown for QNAP TS-41x - s3c: clock fixes" * tag 'rtc-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (65 commits) rtc: rv8803: Clear V1F when setting the time rtc: rv8803: Stop the clock while setting the time rtc: rv8803: Always apply the I²C workaround rtc: rv8803: Fix read day of week rtc: rv8803: Remove the check for valid time rtc: rv8803: Kconfig: Indicate rx8900 support rtc: asm9260: remove .owner field for driver rtc: at91sam9: Fix missing spin_lock_init() rtc: m41t80: add suspend handlers for alarm IRQ rtc: m41t80: make it a real error message rtc: pcf85063: Add support for the PCF85063A device rtc: pcf85063: fix year range rtc: hym8563: in .read_alarm set .tm_sec to 0 to signal minute accuracy rtc: explicitly set tm_sec = 0 for drivers with minute accurancy rtc: s3c: Add s3c_rtc_{enable/disable}_clk in s3c_rtc_setfreq() rtc: s3c: Remove unnecessary call to disable already disabled clock rtc: abx80x: use devm_add_action_or_reset() rtc: m41t80: use devm_add_action_or_reset() rtc: fix a typo and reduce three empty lines to one rtc: s35390a: improve two comments in .set_alarm ...
arthurschreiber · Aug 5, 2016 · 6c84239 · 6c84239
2 parents d4c06c7 + 6f36778
commit 6c84239
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diff --git a/MAINTAINERS b/MAINTAINERS
@@ -9828,10 +9828,14 @@ L:	[email protected]
 Q:	http://patchwork.ozlabs.org/project/rtc-linux/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git
 S:	Maintained
+F:	Documentation/devicetree/bindings/rtc/
 F:	Documentation/rtc.txt
 F:	drivers/rtc/
 F:	include/linux/rtc.h
 F:	include/uapi/linux/rtc.h
+F:	include/linux/rtc/
+F:	include/linux/platform_data/rtc-*
+F:	tools/testing/selftests/timers/rtctest.c
 
 REALTEK AUDIO CODECS
 M:	Bard Liao <[email protected]>

diff --git a/arch/alpha/include/asm/rtc.h b/arch/alpha/include/asm/rtc.h
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
@@ -24,7 +24,6 @@
 #include <asm/gct.h>
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
-#include <asm/rtc.h>
 #include <asm/vga.h>
 
 #include "proto.h"

diff --git a/arch/alpha/kernel/rtc.c b/arch/alpha/kernel/rtc.c
@@ -15,8 +15,6 @@
 #include <linux/rtc.h>
 #include <linux/platform_device.h>
 
-#include <asm/rtc.h>
-
 #include "proto.h"
 
 
@@ -81,7 +79,7 @@ init_rtc_epoch(void)
 static int
 alpha_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
-	__get_rtc_time(tm);
+	mc146818_get_time(tm);
 
 	/* Adjust for non-default epochs.  It's easier to depend on the
 	   generic __get_rtc_time and adjust the epoch here than create
@@ -112,7 +110,7 @@ alpha_rtc_set_time(struct device *dev, struct rtc_time *tm)
 		tm = &xtm;
 	}
 
-	return __set_rtc_time(tm);
+	return mc146818_set_time(tm);
 }
 
 static int

diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
@@ -16,7 +16,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
-#include <linux/m48t86.h>
+#include <linux/platform_data/rtc-m48t86.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 

diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c
@@ -16,7 +16,7 @@
 #include <linux/platform_device.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/ata_platform.h>
-#include <linux/m48t86.h>
+#include <linux/platform_data/rtc-m48t86.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/timeriomem-rng.h>

diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
@@ -14,7 +14,7 @@
 #include <linux/gpio.h>
 #include <linux/delay.h>
 
-#include <linux/rtc-v3020.h>
+#include <linux/platform_data/rtc-v3020.h>
 #include <video/mbxfb.h>
 
 #include <linux/spi/spi.h>

diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
@@ -25,7 +25,7 @@
 #include <linux/gpio.h>
 #include <linux/dm9000.h>
 #include <linux/leds.h>
-#include <linux/rtc-v3020.h>
+#include <linux/platform_data/rtc-v3020.h>
 #include <linux/pwm.h>
 #include <linux/pwm_backlight.h>
 

diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
@@ -14,7 +14,7 @@
 #include <linux/delay.h>
 
 #include <linux/dm9000.h>
-#include <linux/rtc-v3020.h>
+#include <linux/platform_data/rtc-v3020.h>
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>

diff --git a/arch/frv/include/asm/mc146818rtc.h b/arch/frv/include/asm/mc146818rtc.h
diff --git a/arch/h8300/include/asm/mc146818rtc.h b/arch/h8300/include/asm/mc146818rtc.h
diff --git a/arch/ia64/include/asm/mc146818rtc.h b/arch/ia64/include/asm/mc146818rtc.h
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
@@ -35,7 +35,6 @@
 #include <asm/amigahw.h>
 #include <asm/amigaints.h>
 #include <asm/irq.h>
-#include <asm/rtc.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
 

diff --git a/arch/m68k/apollo/config.c b/arch/m68k/apollo/config.c
@@ -15,7 +15,6 @@
 #include <asm/pgtable.h>
 #include <asm/apollohw.h>
 #include <asm/irq.h>
-#include <asm/rtc.h>
 #include <asm/machdep.h>
 
 u_long sio01_physaddr;

diff --git a/arch/m68k/bvme6000/config.c b/arch/m68k/bvme6000/config.c
@@ -34,7 +34,6 @@
 #include <asm/setup.h>
 #include <asm/irq.h>
 #include <asm/traps.h>
-#include <asm/rtc.h>
 #include <asm/machdep.h>
 #include <asm/bvme6000hw.h>
 

diff --git a/arch/m68k/hp300/config.c b/arch/m68k/hp300/config.c
@@ -12,6 +12,7 @@
 #include <linux/string.h>
 #include <linux/kernel.h>
 #include <linux/console.h>
+#include <linux/rtc.h>
 
 #include <asm/bootinfo.h>
 #include <asm/bootinfo-hp300.h>
@@ -20,7 +21,6 @@
 #include <asm/blinken.h>
 #include <asm/io.h>                               /* readb() and writeb() */
 #include <asm/hp300hw.h>
-#include <asm/rtc.h>
 
 #include "time.h"
 

diff --git a/arch/m68k/include/asm/rtc.h b/arch/m68k/include/asm/rtc.h
diff --git a/arch/m68k/kernel/time.c b/arch/m68k/kernel/time.c
@@ -86,7 +86,49 @@ void read_persistent_clock(struct timespec *ts)
 	}
 }
 
-#ifdef CONFIG_ARCH_USES_GETTIMEOFFSET
+#if defined(CONFIG_ARCH_USES_GETTIMEOFFSET) && IS_ENABLED(CONFIG_RTC_DRV_GENERIC)
+static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm)
+{
+	mach_hwclk(0, tm);
+	return rtc_valid_tm(tm);
+}
+
+static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm)
+{
+	if (mach_hwclk(1, tm) < 0)
+		return -EOPNOTSUPP;
+	return 0;
+}
+
+static int rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+{
+	struct rtc_pll_info pll;
+	struct rtc_pll_info __user *argp = (void __user *)arg;
+
+	switch (cmd) {
+	case RTC_PLL_GET:
+		if (!mach_get_rtc_pll || mach_get_rtc_pll(&pll))
+			return -EINVAL;
+		return copy_to_user(argp, &pll, sizeof pll) ? -EFAULT : 0;
+
+	case RTC_PLL_SET:
+		if (!mach_set_rtc_pll)
+			return -EINVAL;
+		if (!capable(CAP_SYS_TIME))
+			return -EACCES;
+		if (copy_from_user(&pll, argp, sizeof(pll)))
+			return -EFAULT;
+		return mach_set_rtc_pll(&pll);
+	}
+
+	return -ENOIOCTLCMD;
+}
+
+static const struct rtc_class_ops generic_rtc_ops = {
+	.ioctl = rtc_ioctl,
+	.read_time = rtc_generic_get_time,
+	.set_time = rtc_generic_set_time,
+};
 
 static int __init rtc_init(void)
 {
@@ -95,7 +137,9 @@ static int __init rtc_init(void)
 	if (!mach_hwclk)
 		return -ENODEV;
 
-	pdev = platform_device_register_simple("rtc-generic", -1, NULL, 0);
+	pdev = platform_device_register_data(NULL, "rtc-generic", -1,
+					     &generic_rtc_ops,
+					     sizeof(generic_rtc_ops));
 	return PTR_ERR_OR_ZERO(pdev);
 }
 

diff --git a/arch/m68k/mac/config.c b/arch/m68k/mac/config.c
@@ -10,6 +10,7 @@
  * Miscellaneous linux stuff
  */
 
+#include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/mm.h>
@@ -25,6 +26,7 @@
 #include <linux/platform_device.h>
 #include <linux/adb.h>
 #include <linux/cuda.h>
+#include <linux/rtc.h>
 
 #include <asm/setup.h>
 #include <asm/bootinfo.h>
@@ -34,7 +36,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/pgtable.h>
-#include <asm/rtc.h>
 #include <asm/machdep.h>
 
 #include <asm/macintosh.h>

diff --git a/arch/m68k/mac/misc.c b/arch/m68k/mac/misc.c
@@ -18,7 +18,6 @@
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
-#include <asm/rtc.h>
 #include <asm/segment.h>
 #include <asm/setup.h>
 #include <asm/macintosh.h>

diff --git a/arch/m68k/mvme147/config.c b/arch/m68k/mvme147/config.c
@@ -32,7 +32,6 @@
 #include <asm/setup.h>
 #include <asm/irq.h>
 #include <asm/traps.h>
-#include <asm/rtc.h>
 #include <asm/machdep.h>
 #include <asm/mvme147hw.h>
 

diff --git a/arch/m68k/mvme16x/config.c b/arch/m68k/mvme16x/config.c
@@ -35,7 +35,6 @@
 #include <asm/setup.h>
 #include <asm/irq.h>
 #include <asm/traps.h>
-#include <asm/rtc.h>
 #include <asm/machdep.h>
 #include <asm/mvme16xhw.h>
 

diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
@@ -12,6 +12,7 @@
  * for more details.
  */
 
+#include <linux/errno.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/mm.h>
@@ -27,7 +28,6 @@
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
-#include <asm/rtc.h>
 #include <asm/bootinfo.h>
 #include <asm/pgtable.h>
 #include <asm/setup.h>

diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
@@ -26,7 +26,6 @@
 #include <asm/pgalloc.h>
 #include <asm/sun3-head.h>
 #include <asm/sun3mmu.h>
-#include <asm/rtc.h>
 #include <asm/machdep.h>
 #include <asm/machines.h>
 #include <asm/idprom.h>

diff --git a/arch/m68k/sun3/intersil.c b/arch/m68k/sun3/intersil.c
@@ -14,8 +14,8 @@
 #include <linux/rtc.h>
 
 #include <asm/errno.h>
-#include <asm/rtc.h>
 #include <asm/intersil.h>
+#include <asm/machdep.h>
 
 
 /* bits to set for start/run of the intersil */