Char/Misc driver fixes for 6.9-rc7

Here are some small char/misc/other driver fixes and new device ids for
 6.9-rc7 that resolve some reported problems.
 
 Included in here are:
   - iio driver fixes
   - mei driver fix and new device ids
   - dyndbg bugfix
   - pvpanic-pci driver bugfix
   - slimbus driver bugfix
   - fpga new device id
 
 All have been in linux-next with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are some small char/misc/other driver fixes and new device ids
  for 6.9-rc7 that resolve some reported problems.

  Included in here are:

   - iio driver fixes

   - mei driver fix and new device ids

   - dyndbg bugfix

   - pvpanic-pci driver bugfix

   - slimbus driver bugfix

   - fpga new device id

  All have been in linux-next with no reported problems"

* tag 'char-misc-6.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  slimbus: qcom-ngd-ctrl: Add timeout for wait operation
  dyndbg: fix old BUG_ON in >control parser
  misc/pvpanic-pci: register attributes via pci_driver
  fpga: dfl-pci: add PCI subdevice ID for Intel D5005 card
  mei: me: add lunar lake point M DID
  mei: pxp: match against PCI_CLASS_DISPLAY_OTHER
  iio:imu: adis16475: Fix sync mode setting
  iio: accel: mxc4005: Reset chip on probe() and resume()
  iio: accel: mxc4005: Interrupt handling fixes
  dt-bindings: iio: health: maxim,max30102: fix compatible check
  iio: pressure: Fixes SPI support for BMP3xx devices
  iio: pressure: Fixes BME280 SPI driver data

Documentation/devicetree/bindings/iio/health/maxim,max30102.yaml

@@ -42,7 +42,7 @@ allOf:
       properties:
         compatible:
           contains:
-            const: maxim,max30100
+            const: maxim,max30102
     then:
       properties:
         maxim,green-led-current-microamp: false

drivers/fpga/dfl-pci.c

@@ -78,6 +78,7 @@ static void cci_pci_free_irq(struct pci_dev *pcidev)
 #define PCIE_DEVICE_ID_SILICOM_PAC_N5011	0x1001
 #define PCIE_DEVICE_ID_INTEL_DFL		0xbcce
 /* PCI Subdevice ID for PCIE_DEVICE_ID_INTEL_DFL */
+#define PCIE_SUBDEVICE_ID_INTEL_D5005		0x138d
 #define PCIE_SUBDEVICE_ID_INTEL_N6000		0x1770
 #define PCIE_SUBDEVICE_ID_INTEL_N6001		0x1771
 #define PCIE_SUBDEVICE_ID_INTEL_C6100		0x17d4
@@ -101,6 +102,8 @@ static struct pci_device_id cci_pcie_id_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_INTEL_PAC_D5005_VF),},
 	{PCI_DEVICE(PCI_VENDOR_ID_SILICOM_DENMARK, PCIE_DEVICE_ID_SILICOM_PAC_N5010),},
 	{PCI_DEVICE(PCI_VENDOR_ID_SILICOM_DENMARK, PCIE_DEVICE_ID_SILICOM_PAC_N5011),},
+	{PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_INTEL_DFL,
+			PCI_VENDOR_ID_INTEL, PCIE_SUBDEVICE_ID_INTEL_D5005),},
 	{PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_INTEL_DFL,
 			PCI_VENDOR_ID_INTEL, PCIE_SUBDEVICE_ID_INTEL_N6000),},
 	{PCI_DEVICE_SUB(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_INTEL_DFL_VF,

drivers/iio/accel/mxc4005.c

@@ -5,6 +5,7 @@
  * Copyright (c) 2014, Intel Corporation.
  */
 
+#include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/i2c.h>
 #include <linux/iio/iio.h>
@@ -27,11 +28,16 @@
 #define MXC4005_REG_ZOUT_UPPER		0x07
 #define MXC4005_REG_ZOUT_LOWER		0x08
 
+#define MXC4005_REG_INT_MASK0		0x0A
+
 #define MXC4005_REG_INT_MASK1		0x0B
 #define MXC4005_REG_INT_MASK1_BIT_DRDYE	0x01
 
+#define MXC4005_REG_INT_CLR0		0x00
+
 #define MXC4005_REG_INT_CLR1		0x01
 #define MXC4005_REG_INT_CLR1_BIT_DRDYC	0x01
+#define MXC4005_REG_INT_CLR1_SW_RST	0x10
 
 #define MXC4005_REG_CONTROL		0x0D
 #define MXC4005_REG_CONTROL_MASK_FSR	GENMASK(6, 5)
@@ -39,6 +45,9 @@
 
 #define MXC4005_REG_DEVICE_ID		0x0E
 
+/* Datasheet does not specify a reset time, this is a conservative guess */
+#define MXC4005_RESET_TIME_US		2000
+
 enum mxc4005_axis {
 	AXIS_X,
 	AXIS_Y,
@@ -62,6 +71,8 @@ struct mxc4005_data {
 		s64 timestamp __aligned(8);
 	} scan;
 	bool trigger_enabled;
+	unsigned int control;
+	unsigned int int_mask1;
 };
 
 /*
@@ -113,7 +124,9 @@ static bool mxc4005_is_readable_reg(struct device *dev, unsigned int reg)
 static bool mxc4005_is_writeable_reg(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
+	case MXC4005_REG_INT_CLR0:
 	case MXC4005_REG_INT_CLR1:
+	case MXC4005_REG_INT_MASK0:
 	case MXC4005_REG_INT_MASK1:
 	case MXC4005_REG_CONTROL:
 		return true;
@@ -330,23 +343,20 @@ static int mxc4005_set_trigger_state(struct iio_trigger *trig,
 {
 	struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
 	struct mxc4005_data *data = iio_priv(indio_dev);
+	unsigned int val;
 	int ret;
 
 	mutex_lock(&data->mutex);
-	if (state) {
-		ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK1,
-				   MXC4005_REG_INT_MASK1_BIT_DRDYE);
-	} else {
-		ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK1,
-				   ~MXC4005_REG_INT_MASK1_BIT_DRDYE);
-	}
 
+	val = state ? MXC4005_REG_INT_MASK1_BIT_DRDYE : 0;
+	ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK1, val);
 	if (ret < 0) {
 		mutex_unlock(&data->mutex);
 		dev_err(data->dev, "failed to update reg_int_mask1");
 		return ret;
 	}
 
+	data->int_mask1 = val;
 	data->trigger_enabled = state;
 	mutex_unlock(&data->mutex);
 
@@ -382,6 +392,21 @@ static int mxc4005_chip_init(struct mxc4005_data *data)
 
 	dev_dbg(data->dev, "MXC4005 chip id %02x\n", reg);
 
+	ret = regmap_write(data->regmap, MXC4005_REG_INT_CLR1,
+			   MXC4005_REG_INT_CLR1_SW_RST);
+	if (ret < 0)
+		return dev_err_probe(data->dev, ret, "resetting chip\n");
+
+	fsleep(MXC4005_RESET_TIME_US);
+
+	ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK0, 0);
+	if (ret < 0)
+		return dev_err_probe(data->dev, ret, "writing INT_MASK0\n");
+
+	ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK1, 0);
+	if (ret < 0)
+		return dev_err_probe(data->dev, ret, "writing INT_MASK1\n");
+
 	return 0;
 }
 
@@ -469,6 +494,58 @@ static int mxc4005_probe(struct i2c_client *client)
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 
+static int mxc4005_suspend(struct device *dev)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct mxc4005_data *data = iio_priv(indio_dev);
+	int ret;
+
+	/* Save control to restore it on resume */
+	ret = regmap_read(data->regmap, MXC4005_REG_CONTROL, &data->control);
+	if (ret < 0)
+		dev_err(data->dev, "failed to read reg_control\n");
+
+	return ret;
+}
+
+static int mxc4005_resume(struct device *dev)
+{
+	struct iio_dev *indio_dev = dev_get_drvdata(dev);
+	struct mxc4005_data *data = iio_priv(indio_dev);
+	int ret;
+
+	ret = regmap_write(data->regmap, MXC4005_REG_INT_CLR1,
+			   MXC4005_REG_INT_CLR1_SW_RST);
+	if (ret) {
+		dev_err(data->dev, "failed to reset chip: %d\n", ret);
+		return ret;
+	}
+
+	fsleep(MXC4005_RESET_TIME_US);
+
+	ret = regmap_write(data->regmap, MXC4005_REG_CONTROL, data->control);
+	if (ret) {
+		dev_err(data->dev, "failed to restore control register\n");
+		return ret;
+	}
+
+	ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK0, 0);
+	if (ret) {
+		dev_err(data->dev, "failed to restore interrupt 0 mask\n");
+		return ret;
+	}
+
+	ret = regmap_write(data->regmap, MXC4005_REG_INT_MASK1, data->int_mask1);
+	if (ret) {
+		dev_err(data->dev, "failed to restore interrupt 1 mask\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(mxc4005_pm_ops, mxc4005_suspend, mxc4005_resume);
+
 static const struct acpi_device_id mxc4005_acpi_match[] = {
 	{"MXC4005",	0},
 	{"MXC6655",	0},
@@ -496,6 +573,7 @@ static struct i2c_driver mxc4005_driver = {
 		.name = MXC4005_DRV_NAME,
 		.acpi_match_table = mxc4005_acpi_match,
 		.of_match_table = mxc4005_of_match,
+		.pm = pm_sleep_ptr(&mxc4005_pm_ops),
 	},
 	.probe		= mxc4005_probe,
 	.id_table	= mxc4005_id,

drivers/iio/imu/adis16475.c

@@ -1289,6 +1289,7 @@ static int adis16475_config_sync_mode(struct adis16475 *st)
 	struct device *dev = &st->adis.spi->dev;
 	const struct adis16475_sync *sync;
 	u32 sync_mode;
+	u16 val;
 
 	/* default to internal clk */
 	st->clk_freq = st->info->int_clk * 1000;
@@ -1350,8 +1351,9 @@ static int adis16475_config_sync_mode(struct adis16475 *st)
 	 * I'm keeping this for simplicity and avoiding extra variables
 	 * in chip_info.
 	 */
+	val = ADIS16475_SYNC_MODE(sync->sync_mode);
 	ret = __adis_update_bits(&st->adis, ADIS16475_REG_MSG_CTRL,
-				 ADIS16475_SYNC_MODE_MASK, sync->sync_mode);
+				 ADIS16475_SYNC_MODE_MASK, val);
 	if (ret)
 		return ret;
 

drivers/iio/pressure/bmp280-core.c

@@ -1233,6 +1233,7 @@ const struct bmp280_chip_info bmp380_chip_info = {
 	.chip_id = bmp380_chip_ids,
 	.num_chip_id = ARRAY_SIZE(bmp380_chip_ids),
 	.regmap_config = &bmp380_regmap_config,
+	.spi_read_extra_byte = true,
 	.start_up_time = 2000,
 	.channels = bmp380_channels,
 	.num_channels = 2,

drivers/iio/pressure/bmp280-spi.c

@@ -96,15 +96,10 @@ static int bmp280_spi_probe(struct spi_device *spi)
 
 	chip_info = spi_get_device_match_data(spi);
 
-	switch (chip_info->chip_id[0]) {
-	case BMP380_CHIP_ID:
-	case BMP390_CHIP_ID:
+	if (chip_info->spi_read_extra_byte)
 		bmp_regmap_bus = &bmp380_regmap_bus;
-		break;
-	default:
+	else
 		bmp_regmap_bus = &bmp280_regmap_bus;
-		break;
-	}
 
 	regmap = devm_regmap_init(&spi->dev,
 				  bmp_regmap_bus,
@@ -127,7 +122,7 @@ static const struct of_device_id bmp280_of_spi_match[] = {
 	{ .compatible = "bosch,bmp180", .data = &bmp180_chip_info },
 	{ .compatible = "bosch,bmp181", .data = &bmp180_chip_info },
 	{ .compatible = "bosch,bmp280", .data = &bmp280_chip_info },
-	{ .compatible = "bosch,bme280", .data = &bmp280_chip_info },
+	{ .compatible = "bosch,bme280", .data = &bme280_chip_info },
 	{ .compatible = "bosch,bmp380", .data = &bmp380_chip_info },
 	{ .compatible = "bosch,bmp580", .data = &bmp580_chip_info },
 	{ },
@@ -139,7 +134,7 @@ static const struct spi_device_id bmp280_spi_id[] = {
 	{ "bmp180", (kernel_ulong_t)&bmp180_chip_info },
 	{ "bmp181", (kernel_ulong_t)&bmp180_chip_info },
 	{ "bmp280", (kernel_ulong_t)&bmp280_chip_info },
-	{ "bme280", (kernel_ulong_t)&bmp280_chip_info },
+	{ "bme280", (kernel_ulong_t)&bme280_chip_info },
 	{ "bmp380", (kernel_ulong_t)&bmp380_chip_info },
 	{ "bmp580", (kernel_ulong_t)&bmp580_chip_info },
 	{ }

drivers/iio/pressure/bmp280.h

@@ -423,6 +423,7 @@ struct bmp280_chip_info {
 	int num_chip_id;
 
 	const struct regmap_config *regmap_config;
+	bool spi_read_extra_byte;
 
 	const struct iio_chan_spec *channels;
 	int num_channels;

drivers/misc/mei/hw-me-regs.h

@@ -115,6 +115,8 @@
 #define MEI_DEV_ID_ARL_S      0x7F68  /* Arrow Lake Point S */
 #define MEI_DEV_ID_ARL_H      0x7770  /* Arrow Lake Point H */
 
+#define MEI_DEV_ID_LNL_M      0xA870  /* Lunar Lake Point M */
+
 /*
  * MEI HW Section
  */

drivers/misc/mei/pci-me.c

@@ -122,6 +122,8 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
 	{MEI_PCI_DEVICE(MEI_DEV_ID_ARL_S, MEI_ME_PCH15_CFG)},
 	{MEI_PCI_DEVICE(MEI_DEV_ID_ARL_H, MEI_ME_PCH15_CFG)},
 
+	{MEI_PCI_DEVICE(MEI_DEV_ID_LNL_M, MEI_ME_PCH15_CFG)},
+
 	/* required last entry */
 	{0, }
 };

drivers/misc/mei/pxp/mei_pxp.c

@@ -236,8 +236,11 @@ static int mei_pxp_component_match(struct device *dev, int subcomponent,
 
 	pdev = to_pci_dev(dev);
 
-	if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8) ||
-	    pdev->vendor != PCI_VENDOR_ID_INTEL)
+	if (pdev->vendor != PCI_VENDOR_ID_INTEL)
+		return 0;
+
+	if (pdev->class != (PCI_CLASS_DISPLAY_VGA << 8) &&
+	    pdev->class != (PCI_CLASS_DISPLAY_OTHER << 8))
 		return 0;
 
 	if (subcomponent != I915_COMPONENT_PXP)

drivers/misc/pvpanic/pvpanic-pci.c

@@ -44,8 +44,6 @@ static struct pci_driver pvpanic_pci_driver = {
 	.name =         "pvpanic-pci",
 	.id_table =     pvpanic_pci_id_tbl,
 	.probe =        pvpanic_pci_probe,
-	.driver = {
-		.dev_groups = pvpanic_dev_groups,
-	},
+	.dev_groups =   pvpanic_dev_groups,
 };
 module_pci_driver(pvpanic_pci_driver);

drivers/slimbus/qcom-ngd-ctrl.c

@@ -1451,7 +1451,11 @@ static void qcom_slim_ngd_up_worker(struct work_struct *work)
 	ctrl = container_of(work, struct qcom_slim_ngd_ctrl, ngd_up_work);
 
 	/* Make sure qmi service is up before continuing */
-	wait_for_completion_interruptible(&ctrl->qmi_up);
+	if (!wait_for_completion_interruptible_timeout(&ctrl->qmi_up,
+						       msecs_to_jiffies(MSEC_PER_SEC))) {
+		dev_err(ctrl->dev, "QMI wait timeout\n");
+		return;
+	}
 
 	mutex_lock(&ctrl->ssr_lock);
 	qcom_slim_ngd_enable(ctrl, true);

lib/dynamic_debug.c

@@ -302,7 +302,11 @@ static int ddebug_tokenize(char *buf, char *words[], int maxwords)
 		} else {
 			for (end = buf; *end && !isspace(*end); end++)
 				;
-			BUG_ON(end == buf);
+			if (end == buf) {
+				pr_err("parse err after word:%d=%s\n", nwords,
+				       nwords ? words[nwords - 1] : "<none>");
+				return -EINVAL;
+			}
 		}
 
 		/* `buf' is start of word, `end' is one past its end */