Merge branch 'bits/500-backports' into asahi-wip

Author: jannau

drivers/bus/simple-pm-bus.c

@@ -142,6 +142,15 @@ static const struct of_device_id simple_pm_bus_of_match[] = {
 	{ .compatible = "simple-mfd",	.data = ONLY_BUS },
 	{ .compatible = "isa",		.data = ONLY_BUS },
 	{ .compatible = "arm,amba-bus",	.data = ONLY_BUS },
+	{ .compatible = "apple,s5l8960x-pmgr",	.data = ONLY_BUS },
+	{ .compatible = "apple,t7000-pmgr",	.data = ONLY_BUS },
+	{ .compatible = "apple,s8000-pmgr",	.data = ONLY_BUS },
+	{ .compatible = "apple,t8010-pmgr",	.data = ONLY_BUS },
+	{ .compatible = "apple,t8015-pmgr",	.data = ONLY_BUS },
+	{ .compatible = "apple,t8103-pmgr",	.data = ONLY_BUS },
+	{ .compatible = "apple,t8112-pmgr",	.data = ONLY_BUS },
+	{ .compatible = "apple,t6000-pmgr",	.data = ONLY_BUS },
+	{ .compatible = "apple,t6020-pmgr",	.data = ONLY_BUS },\
 	{ .compatible = "fsl,ls1021a-scfg", },
 	{ .compatible = "fsl,ls1043a-scfg", },
 	{ .compatible = "fsl,ls1046a-scfg", },

drivers/nvmem/core.c

@@ -1615,12 +1615,14 @@ static void nvmem_shift_read_buffer_in_place(struct nvmem_cell_entry *cell, void
 		*p = *b++ >> bit_offset;
 
 		/* setup rest of the bytes if any */
-		for (i = 1; i < cell->bytes; i++) {
+		for (i = 1; i < (cell->bytes - bytes_offset); i++) {
 			/* Get bits from next byte and shift them towards msb */
 			*p++ |= *b << (BITS_PER_BYTE - bit_offset);
 
 			*p = *b++ >> bit_offset;
 		}
+		/* point to end of the buffer unused bits will be cleared */
+		p = buf + cell->bytes - 1;
 	} else if (p != b) {
 		memmove(p, b, cell->bytes - bytes_offset);
 		p += cell->bytes - 1;

drivers/phy/apple/atc.c

@@ -2202,14 +2202,16 @@ static int atcphy_map_resources(struct platform_device *pdev, struct apple_atcph
 		{ "pipehandler", &atcphy->regs.pipehandler, NULL },
 	};
 	struct resource *res;
+	void __iomem *addr;
 
 	for (int i = 0; i < ARRAY_SIZE(resources); i++) {
 		res = platform_get_resource_byname(pdev, IORESOURCE_MEM, resources[i].name);
-		*resources[i].addr = devm_ioremap_resource(&pdev->dev, res);
-		if (IS_ERR(resources[i].addr))
-			return dev_err_probe(atcphy->dev, PTR_ERR(resources[i].addr),
+		addr = devm_ioremap_resource(&pdev->dev, res);
+		if (IS_ERR(addr))
+			return dev_err_probe(atcphy->dev, PTR_ERR(addr),
 					     "Unable to map %s regs", resources[i].name);
 
+		*resources[i].addr = addr;
 		if (resources[i].res)
 			*resources[i].res = res;
 	}

drivers/watchdog/apple_wdt.c

@@ -218,6 +218,7 @@ static int apple_wdt_suspend(struct device *dev)
 static DEFINE_SIMPLE_DEV_PM_OPS(apple_wdt_pm_ops, apple_wdt_suspend, apple_wdt_resume);
 
 static const struct of_device_id apple_wdt_of_match[] = {
+	{ .compatible = "apple,t8103-wdt" },
 	{ .compatible = "apple,wdt" },
 	{},
 };

sound/soc/codecs/tas2764.c

@@ -626,18 +626,33 @@ static int tas2764_read_die_temp(struct tas2764_priv *tas2764, long *result)
 	 * As per datasheet, subtract 93 from raw value to get degrees
 	 * Celsius. hwmon wants millidegrees.
 	 *
-	 * NOTE: The chip will initialise the TAS2764_TEMP register to
-	 * 2.6 *C to avoid triggering temperature protection. Since the
-	 * ADC is powered down during software shutdown, this value will
-	 * persist until the chip is fully powered up (e.g. the PCM it's
-	 * attached to is opened). The ADC will power down again when
-	 * the chip is put back into software shutdown, with the last
-	 * value sampled persisting in the ADC's register.
+	 * NOTE: The TAS2764 datasheet mentions initialising TAS2764_TEMP
+	 * such that the temperature is 2.6 *C, however the register
+	 * is actually initialised to 0. The ADC is also powered down during
+	 * software shutdown. The last sampled temperature will persist
+	 * in the register while the amp is in this power state.
 	 */
+	if (reg == 0)
+		return -ENODATA;
+
 	*result = (reg - 93) * 1000;
 	return 0;
 }
 
+static int tas2764_hwmon_is_fault(struct tas2764_priv *tas2764, long *result)
+{
+	int ret;
+	long temp;
+
+	ret = tas2764_read_die_temp(tas2764, &temp);
+	if (ret == -ENODATA) {
+		*result = true;
+		return 0;
+	}
+
+	return ret;
+}
+
 static umode_t tas2764_hwmon_is_visible(const void *data,
 					enum hwmon_sensor_types type, u32 attr,
 					int channel)
@@ -647,6 +662,7 @@ static umode_t tas2764_hwmon_is_visible(const void *data,
 
 	switch (attr) {
 	case hwmon_temp_input:
+	case hwmon_temp_fault:
 		return 0444;
 	default:
 		break;
@@ -666,6 +682,9 @@ static int tas2764_hwmon_read(struct device *dev,
 	case hwmon_temp_input:
 		ret = tas2764_read_die_temp(tas2764, val);
 		break;
+	case hwmon_temp_fault:
+		ret = tas2764_hwmon_is_fault(tas2764, val);
+		break;
 	default:
 		ret = -EOPNOTSUPP;
 		break;
@@ -675,7 +694,7 @@ static int tas2764_hwmon_read(struct device *dev,
 }
 
 static const struct hwmon_channel_info *const tas2764_hwmon_info[] = {
-	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT),
+	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_FAULT),
 	NULL
 };
 
@@ -876,6 +895,7 @@ static bool tas2764_volatile_register(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
 	case TAS2764_SW_RST:
+	case TAS2764_TEMP:
 	case TAS2764_INT_LTCH0 ... TAS2764_INT_LTCH4:
 	case TAS2764_INT_CLK_CFG:
 		return true;

sound/soc/codecs/tas2770.c

@@ -555,7 +555,7 @@ static int tas2770_read_die_temp(struct tas2770_priv *tas2770, long *result)
 	/*
 	 * As per datasheet: divide register by 16 and subtract 93 to get
 	 * degrees Celsius. hwmon requires millidegrees. Let's avoid rounding
-	 * errors by subtracting 93 * 16 then multiplying by 1000 / 16.
+	 * errors by subtracting 93 * 16 and scaling before dividing.
 	 *
 	 * NOTE: The ADC registers are initialised to 0 on reset. This means
 	 * that the temperature will read -93 *C until the chip is brought out
@@ -564,10 +564,27 @@ static int tas2770_read_die_temp(struct tas2770_priv *tas2770, long *result)
 	 * value read back from its registers will be the last value sampled
 	 * before entering software shutdown.
 	 */
-	*result = (reading - (93 * 16)) * (1000 / 16);
+	if (reading == 0)
+		return -ENODATA;
+
+	*result = (reading - (93 * 16)) * 1000 / 16;
 	return 0;
 }
 
+static int tas2770_hwmon_is_fault(struct tas2770_priv *tas2770, long *result)
+{
+	int ret;
+	long temp;
+
+	ret = tas2770_read_die_temp(tas2770, &temp);
+	if (ret == -ENODATA) {
+		*result = true;
+		return 0;
+	}
+
+	return ret;
+}
+
 static umode_t tas2770_hwmon_is_visible(const void *data,
 					enum hwmon_sensor_types type, u32 attr,
 					int channel)
@@ -577,6 +594,7 @@ static umode_t tas2770_hwmon_is_visible(const void *data,
 
 	switch (attr) {
 	case hwmon_temp_input:
+	case hwmon_temp_fault:
 		return 0444;
 	default:
 		break;
@@ -596,6 +614,9 @@ static int tas2770_hwmon_read(struct device *dev,
 	case hwmon_temp_input:
 		ret = tas2770_read_die_temp(tas2770, val);
 		break;
+	case hwmon_temp_fault:
+		ret = tas2770_hwmon_is_fault(tas2770, val);
+		break;
 	default:
 		ret = -EOPNOTSUPP;
 		break;
@@ -605,7 +626,7 @@ static int tas2770_hwmon_read(struct device *dev,
 }
 
 static const struct hwmon_channel_info *const tas2770_hwmon_info[] = {
-	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT),
+	HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_FAULT),
 	NULL
 };