Merge branch 'linus' into test

Conflicts:
	MAINTAINERS
	arch/x86/kernel/acpi/boot.c
	arch/x86/kernel/acpi/sleep.c
	drivers/acpi/Kconfig
	drivers/pnp/Makefile
	drivers/pnp/quirks.c

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 55 insertions, 32 deletions

diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 24bc1689fc7..893f7dece23 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -56,21 +56,27 @@
 #define M41T80_ALHOUR_HT	(1 << 6)	/* HT: Halt Update Bit */
 #define M41T80_FLAGS_AF		(1 << 6)	/* AF: Alarm Flag Bit */
 #define M41T80_FLAGS_BATT_LOW	(1 << 4)	/* BL: Battery Low Bit */
+#define M41T80_WATCHDOG_RB2	(1 << 7)	/* RB: Watchdog resolution */
+#define M41T80_WATCHDOG_RB1	(1 << 1)	/* RB: Watchdog resolution */
+#define M41T80_WATCHDOG_RB0	(1 << 0)	/* RB: Watchdog resolution */
 
-#define M41T80_FEATURE_HT	(1 << 0)
-#define M41T80_FEATURE_BL	(1 << 1)
+#define M41T80_FEATURE_HT	(1 << 0)	/* Halt feature */
+#define M41T80_FEATURE_BL	(1 << 1)	/* Battery low indicator */
+#define M41T80_FEATURE_SQ	(1 << 2)	/* Squarewave feature */
+#define M41T80_FEATURE_WD	(1 << 3)	/* Extra watchdog resolution */
 
 #define DRV_VERSION "0.05"
 
 static const struct i2c_device_id m41t80_id[] = {
-	{ "m41t80", 0 },
-	{ "m41t81", M41T80_FEATURE_HT },
-	{ "m41t81s", M41T80_FEATURE_HT | M41T80_FEATURE_BL },
-	{ "m41t82", M41T80_FEATURE_HT | M41T80_FEATURE_BL },
-	{ "m41t83", M41T80_FEATURE_HT | M41T80_FEATURE_BL },
-	{ "m41st84", M41T80_FEATURE_HT | M41T80_FEATURE_BL },
-	{ "m41st85", M41T80_FEATURE_HT | M41T80_FEATURE_BL },
-	{ "m41st87", M41T80_FEATURE_HT | M41T80_FEATURE_BL },
+	{ "m41t65", M41T80_FEATURE_HT | M41T80_FEATURE_WD },
+	{ "m41t80", M41T80_FEATURE_SQ },
+	{ "m41t81", M41T80_FEATURE_HT | M41T80_FEATURE_SQ},
+	{ "m41t81s", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
+	{ "m41t82", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
+	{ "m41t83", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
+	{ "m41st84", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
+	{ "m41st85", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
+	{ "m41st87", M41T80_FEATURE_HT | M41T80_FEATURE_BL | M41T80_FEATURE_SQ },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, m41t80_id);
@@ -104,15 +110,15 @@ static int m41t80_get_datetime(struct i2c_client *client,
 		return -EIO;
 	}
 
-	tm->tm_sec = BCD2BIN(buf[M41T80_REG_SEC] & 0x7f);
-	tm->tm_min = BCD2BIN(buf[M41T80_REG_MIN] & 0x7f);
-	tm->tm_hour = BCD2BIN(buf[M41T80_REG_HOUR] & 0x3f);
-	tm->tm_mday = BCD2BIN(buf[M41T80_REG_DAY] & 0x3f);
+	tm->tm_sec = bcd2bin(buf[M41T80_REG_SEC] & 0x7f);
+	tm->tm_min = bcd2bin(buf[M41T80_REG_MIN] & 0x7f);
+	tm->tm_hour = bcd2bin(buf[M41T80_REG_HOUR] & 0x3f);
+	tm->tm_mday = bcd2bin(buf[M41T80_REG_DAY] & 0x3f);
 	tm->tm_wday = buf[M41T80_REG_WDAY] & 0x07;
-	tm->tm_mon = BCD2BIN(buf[M41T80_REG_MON] & 0x1f) - 1;
+	tm->tm_mon = bcd2bin(buf[M41T80_REG_MON] & 0x1f) - 1;
 
 	/* assume 20YY not 19YY, and ignore the Century Bit */
-	tm->tm_year = BCD2BIN(buf[M41T80_REG_YEAR]) + 100;
+	tm->tm_year = bcd2bin(buf[M41T80_REG_YEAR]) + 100;
 	return 0;
 }
 
@@ -155,19 +161,19 @@ static int m41t80_set_datetime(struct i2c_client *client, struct rtc_time *tm)
 	/* Merge time-data and register flags into buf[0..7] */
 	buf[M41T80_REG_SSEC] = 0;
 	buf[M41T80_REG_SEC] =
-		BIN2BCD(tm->tm_sec) | (buf[M41T80_REG_SEC] & ~0x7f);
+		bin2bcd(tm->tm_sec) | (buf[M41T80_REG_SEC] & ~0x7f);
 	buf[M41T80_REG_MIN] =
-		BIN2BCD(tm->tm_min) | (buf[M41T80_REG_MIN] & ~0x7f);
+		bin2bcd(tm->tm_min) | (buf[M41T80_REG_MIN] & ~0x7f);
 	buf[M41T80_REG_HOUR] =
-		BIN2BCD(tm->tm_hour) | (buf[M41T80_REG_HOUR] & ~0x3f) ;
+		bin2bcd(tm->tm_hour) | (buf[M41T80_REG_HOUR] & ~0x3f) ;
 	buf[M41T80_REG_WDAY] =
 		(tm->tm_wday & 0x07) | (buf[M41T80_REG_WDAY] & ~0x07);
 	buf[M41T80_REG_DAY] =
-		BIN2BCD(tm->tm_mday) | (buf[M41T80_REG_DAY] & ~0x3f);
+		bin2bcd(tm->tm_mday) | (buf[M41T80_REG_DAY] & ~0x3f);
 	buf[M41T80_REG_MON] =
-		BIN2BCD(tm->tm_mon + 1) | (buf[M41T80_REG_MON] & ~0x1f);
+		bin2bcd(tm->tm_mon + 1) | (buf[M41T80_REG_MON] & ~0x1f);
 	/* assume 20YY not 19YY */
-	buf[M41T80_REG_YEAR] = BIN2BCD(tm->tm_year % 100);
+	buf[M41T80_REG_YEAR] = bin2bcd(tm->tm_year % 100);
 
 	if (i2c_transfer(client->adapter, msgs, 1) != 1) {
 		dev_err(&client->dev, "write error\n");
@@ -282,15 +288,15 @@ static int m41t80_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t)
 
 	wbuf[0] = M41T80_REG_ALARM_MON; /* offset into rtc's regs */
 	reg[M41T80_REG_ALARM_SEC] |= t->time.tm_sec >= 0 ?
-		BIN2BCD(t->time.tm_sec) : 0x80;
+		bin2bcd(t->time.tm_sec) : 0x80;
 	reg[M41T80_REG_ALARM_MIN] |= t->time.tm_min >= 0 ?
-		BIN2BCD(t->time.tm_min) : 0x80;
+		bin2bcd(t->time.tm_min) : 0x80;
 	reg[M41T80_REG_ALARM_HOUR] |= t->time.tm_hour >= 0 ?
-		BIN2BCD(t->time.tm_hour) : 0x80;
+		bin2bcd(t->time.tm_hour) : 0x80;
 	reg[M41T80_REG_ALARM_DAY] |= t->time.tm_mday >= 0 ?
-		BIN2BCD(t->time.tm_mday) : 0x80;
+		bin2bcd(t->time.tm_mday) : 0x80;
 	if (t->time.tm_mon >= 0)
-		reg[M41T80_REG_ALARM_MON] |= BIN2BCD(t->time.tm_mon + 1);
+		reg[M41T80_REG_ALARM_MON] |= bin2bcd(t->time.tm_mon + 1);
 	else
 		reg[M41T80_REG_ALARM_DAY] |= 0x40;
 
@@ -341,15 +347,15 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
 	t->time.tm_mday = -1;
 	t->time.tm_mon = -1;
 	if (!(reg[M41T80_REG_ALARM_SEC] & 0x80))
-		t->time.tm_sec = BCD2BIN(reg[M41T80_REG_ALARM_SEC] & 0x7f);
+		t->time.tm_sec = bcd2bin(reg[M41T80_REG_ALARM_SEC] & 0x7f);
 	if (!(reg[M41T80_REG_ALARM_MIN] & 0x80))
-		t->time.tm_min = BCD2BIN(reg[M41T80_REG_ALARM_MIN] & 0x7f);
+		t->time.tm_min = bcd2bin(reg[M41T80_REG_ALARM_MIN] & 0x7f);
 	if (!(reg[M41T80_REG_ALARM_HOUR] & 0x80))
-		t->time.tm_hour = BCD2BIN(reg[M41T80_REG_ALARM_HOUR] & 0x3f);
+		t->time.tm_hour = bcd2bin(reg[M41T80_REG_ALARM_HOUR] & 0x3f);
 	if (!(reg[M41T80_REG_ALARM_DAY] & 0x80))
-		t->time.tm_mday = BCD2BIN(reg[M41T80_REG_ALARM_DAY] & 0x3f);
+		t->time.tm_mday = bcd2bin(reg[M41T80_REG_ALARM_DAY] & 0x3f);
 	if (!(reg[M41T80_REG_ALARM_DAY] & 0x40))
-		t->time.tm_mon = BCD2BIN(reg[M41T80_REG_ALARM_MON] & 0x1f) - 1;
+		t->time.tm_mon = bcd2bin(reg[M41T80_REG_ALARM_MON] & 0x1f) - 1;
 	t->time.tm_year = -1;
 	t->time.tm_wday = -1;
 	t->time.tm_yday = -1;
@@ -386,8 +392,12 @@ static ssize_t m41t80_sysfs_show_sqwfreq(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct i2c_client *client = to_i2c_client(dev);
+	struct m41t80_data *clientdata = i2c_get_clientdata(client);
 	int val;
 
+	if (!(clientdata->features & M41T80_FEATURE_SQ))
+		return -EINVAL;
+
 	val = i2c_smbus_read_byte_data(client, M41T80_REG_SQW);
 	if (val < 0)
 		return -EIO;
@@ -408,9 +418,13 @@ static ssize_t m41t80_sysfs_set_sqwfreq(struct device *dev,
 				const char *buf, size_t count)
 {
 	struct i2c_client *client = to_i2c_client(dev);
+	struct m41t80_data *clientdata = i2c_get_clientdata(client);
 	int almon, sqw;
 	int val = simple_strtoul(buf, NULL, 0);
 
+	if (!(clientdata->features & M41T80_FEATURE_SQ))
+		return -EINVAL;
+
 	if (val) {
 		if (!is_power_of_2(val))
 			return -EINVAL;
@@ -499,6 +513,8 @@ static void wdt_ping(void)
 			.buf	= i2c_data,
 		},
 	};
+	struct m41t80_data *clientdata = i2c_get_clientdata(save_client);
+
 	i2c_data[0] = 0x09;		/* watchdog register */
 
 	if (wdt_margin > 31)
@@ -509,6 +525,13 @@ static void wdt_ping(void)
 		 */
 		i2c_data[1] = wdt_margin<<2 | 0x82;
 
+	/*
+	 * M41T65 has three bits for watchdog resolution.  Don't set bit 7, as
+	 * that would be an invalid resolution.
+	 */
+	if (clientdata->features & M41T80_FEATURE_WD)
+		i2c_data[1] &= ~M41T80_WATCHDOG_RB2;
+
 	i2c_transfer(save_client->adapter, msgs1, 1);
 }