Merge tag 'mfd-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Device Support:
   - Add support for X-Powers AXP717 PMIC to AXP22X
   - Add support for Rockchip RK816 PMIC to RK8XX
   - Add support for TI TPS65224 PMIC to TPS6594

  New Functionality:
   - Add Power Off functionality to Rohm BD71828
   - Allow I2C SMBus access in Renesas RSMU

  Fix-ups:
   - Device Tree binding adaptions/conversions/creation
   - Shift Intel support over to MSI interrupts
   - Generify adding platform data away from being ACPI specific
   - Use device core supplied attribute to register sysfs entries
   - Replace hand-rolled functionality with generic APIs
   - Utilise centrally provided helpers and macros
   - Clean-up error handling
   - Remove superfluous/duplicated/unused sections
   - Trivial; spelling, whitespace, coding-style adaptions
   - More Maple Tree conversions"

* tag 'mfd-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (44 commits)
  dt-bindings: mfd: Use full path to other schemas
  mfd: rsmu: support I2C SMBus access
  dt-bindings: mfd: Convert lp873x.txt to json-schema
  dt-bindings: mfd: aspeed: Drop 'oneOf' for pinctrl node
  dt-bindings: mfd: allwinner,sun6i-a31-prcm: Use hyphens in node names
  mfd: ssbi: Remove unused field 'slave' from 'struct ssbi'
  mfd: kempld: Remove custom DMI matching code
  mfd: cs42l43: Update patching revision check
  dt-bindings: mfd: qcom: pm8xxx: Add pm8901 compatible
  mfd: timberdale: Remove redundant assignment to variable err
  dt-bindings: mfd: qcom,spmi-pmic: Add pbs to SPMI device types
  dt-bindings: mfd: syscon: Add ti,am62p-cpsw-mac-efuse compatible
  dt-bindings: mfd: qcom,tcsr: Add compatible for SDX75
  mfd: axp20x: Convert to use Maple Tree register cache
  mfd: bd71828: Remove commented code lines
  mfd: intel-m10-bmc: Change staging size to a variable
  dt-bindings: mfd: Add ROHM BD71879
  mfd: Tidy Kconfig dependency's parentheses
  mfd: ocelot-spi: Use spi_sync_transfer()
  dt-bindings: mfd: syscon: Add missing simple syscon compatibles
  ...

25 files changed, 1437 insertions, 401 deletions

diff --git a/drivers/fpga/intel-m10-bmc-sec-update.c b/drivers/fpga/intel-m10-bmc-sec-update.c
index 89851b133709..7ac9f9f5af12 100644
--- a/drivers/fpga/intel-m10-bmc-sec-update.c
+++ b/drivers/fpga/intel-m10-bmc-sec-update.c
@@ -529,11 +529,12 @@ static enum fw_upload_err m10bmc_sec_prepare(struct fw_upload *fwl,
 					     const u8 *data, u32 size)
 {
 	struct m10bmc_sec *sec = fwl->dd_handle;
+	const struct m10bmc_csr_map *csr_map = sec->m10bmc->info->csr_map;
 	u32 ret;
 
 	sec->cancel_request = false;
 
-	if (!size || size > M10BMC_STAGING_SIZE)
+	if (!size || size > csr_map->staging_size)
 		return FW_UPLOAD_ERR_INVALID_SIZE;
 
 	if (sec->m10bmc->flash_bulk_ops)
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 4b023ee229cf..266b4f54af60 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -292,7 +292,7 @@ config MFD_MADERA_SPI
 
 config MFD_MAX5970
 	tristate "Maxim 5970/5978 power switch and monitor"
-	depends on (I2C && OF)
+	depends on I2C && OF
 	select MFD_SIMPLE_MFD_I2C
 	help
 	  This driver controls a Maxim 5970/5978 switch via I2C bus.
@@ -458,7 +458,7 @@ config MFD_EXYNOS_LPASS
 
 config MFD_GATEWORKS_GSC
 	tristate "Gateworks System Controller"
-	depends on (I2C && OF)
+	depends on I2C && OF
 	select MFD_CORE
 	select REGMAP_I2C
 	select REGMAP_IRQ
@@ -473,7 +473,7 @@ config MFD_GATEWORKS_GSC
 
 config MFD_MC13XXX
 	tristate
-	depends on (SPI_MASTER || I2C)
+	depends on SPI_MASTER || I2C
 	select MFD_CORE
 	select REGMAP_IRQ
 	help
@@ -1109,7 +1109,7 @@ config PCF50633_GPIO
 
 config MFD_PM8XXX
 	tristate "Qualcomm PM8xxx PMIC chips driver"
-	depends on (ARM || HEXAGON || COMPILE_TEST)
+	depends on ARM || HEXAGON || COMPILE_TEST
 	select IRQ_DOMAIN_HIERARCHY
 	select MFD_CORE
 	select REGMAP
@@ -1225,7 +1225,7 @@ config MFD_RK8XX
 	select MFD_CORE
 
 config MFD_RK8XX_I2C
-	tristate "Rockchip RK805/RK808/RK809/RK817/RK818 Power Management Chip"
+	tristate "Rockchip RK805/RK808/RK809/RK816/RK817/RK818 Power Management Chip"
 	depends on I2C && OF
 	select MFD_CORE
 	select REGMAP_I2C
@@ -1233,7 +1233,7 @@ config MFD_RK8XX_I2C
 	select MFD_RK8XX
 	help
 	  If you say yes here you get support for the RK805, RK808, RK809,
-	  RK817 and RK818 Power Management chips.
+	  RK816, RK817 and RK818 Power Management chips.
 	  This driver provides common support for accessing the device
 	  through I2C interface. The device supports multiple sub-devices
 	  including interrupts, RTC, LDO & DCDC regulators, and onkey.
@@ -1418,7 +1418,7 @@ config MFD_DB8500_PRCMU
 
 config MFD_STMPE
 	bool "STMicroelectronics STMPE"
-	depends on (I2C=y || SPI_MASTER=y)
+	depends on I2C=y || SPI_MASTER=y
 	depends on OF
 	select MFD_CORE
 	help
@@ -2116,7 +2116,7 @@ config MFD_STM32_TIMERS
 
 config MFD_STPMIC1
 	tristate "Support for STPMIC1 PMIC"
-	depends on (I2C=y && OF)
+	depends on I2C=y && OF
 	select REGMAP_I2C
 	select REGMAP_IRQ
 	select MFD_CORE
diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index 48ce6ea693ce..f2c0f144c0fc 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -422,7 +422,7 @@ static const struct regmap_config axp717_regmap_config = {
 	.wr_table = &axp717_writeable_table,
 	.volatile_table = &axp717_volatile_table,
 	.max_register = AXP717_CPUSLDO_CONTROL,
-	.cache_type = REGCACHE_RBTREE,
+	.cache_type = REGCACHE_MAPLE,
 };
 
 static const struct regmap_config axp806_regmap_config = {
diff --git a/drivers/mfd/cs42l43.c b/drivers/mfd/cs42l43.c
index a0fb2dc6c3b2..ae8fd37afb75 100644
--- a/drivers/mfd/cs42l43.c
+++ b/drivers/mfd/cs42l43.c
@@ -43,6 +43,9 @@
 #define CS42L43_MCU_UPDATE_TIMEOUT_US		500000
 #define CS42L43_MCU_UPDATE_RETRIES		5
 
+#define CS42L43_MCU_ROM_REV			0x2001
+#define CS42L43_MCU_ROM_BIOS_REV		0x0000
+
 #define CS42L43_MCU_SUPPORTED_REV		0x2105
 #define CS42L43_MCU_SHADOW_REGS_REQUIRED_REV	0x2200
 #define CS42L43_MCU_SUPPORTED_BIOS_REV		0x0001
@@ -709,6 +712,23 @@ err:
 	complete(&cs42l43->firmware_download);
 }
 
+static int cs42l43_mcu_is_hw_compatible(struct cs42l43 *cs42l43,
+					unsigned int mcu_rev,
+					unsigned int bios_rev)
+{
+	/*
+	 * The firmware has two revision numbers bringing either of them up to a
+	 * supported version will provide the disable the driver requires.
+	 */
+	if (mcu_rev < CS42L43_MCU_SUPPORTED_REV &&
+	    bios_rev < CS42L43_MCU_SUPPORTED_BIOS_REV) {
+		dev_err(cs42l43->dev, "Firmware too old to support disable\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 /*
  * The process of updating the firmware is split into a series of steps, at the
  * end of each step a soft reset of the device might be required which will
@@ -745,11 +765,10 @@ static int cs42l43_mcu_update_step(struct cs42l43 *cs42l43)
 		  ((mcu_rev & CS42L43_FW_SUBMINOR_REV_MASK) >> 8);
 
 	/*
-	 * The firmware has two revision numbers bringing either of them up to a
-	 * supported version will provide the features the driver requires.
+	 * The firmware has two revision numbers both of them being at the ROM
+	 * revision indicates no patch has been applied.
 	 */
-	patched = mcu_rev >= CS42L43_MCU_SUPPORTED_REV ||
-		  bios_rev >= CS42L43_MCU_SUPPORTED_BIOS_REV;
+	patched = mcu_rev != CS42L43_MCU_ROM_REV || bios_rev != CS42L43_MCU_ROM_BIOS_REV;
 	/*
 	 * Later versions of the firmwware require the driver to access some
 	 * features through a set of shadow registers.
@@ -794,10 +813,15 @@ static int cs42l43_mcu_update_step(struct cs42l43 *cs42l43)
 			return cs42l43_mcu_stage_2_3(cs42l43, shadow);
 		}
 	case CS42L43_MCU_BOOT_STAGE3:
-		if (patched)
+		if (patched) {
+			ret = cs42l43_mcu_is_hw_compatible(cs42l43, mcu_rev, bios_rev);
+			if (ret)
+				return ret;
+
 			return cs42l43_mcu_disable(cs42l43);
-		else
+		} else {
 			return cs42l43_mcu_stage_3_2(cs42l43);
+		}
 	case CS42L43_MCU_BOOT_STAGE4:
 		return 0;
 	default:
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
index 9f4782bdbf4b..c36a101df7be 100644
--- a/drivers/mfd/intel-lpss-pci.c
+++ b/drivers/mfd/intel-lpss-pci.c
@@ -54,7 +54,7 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev,
 	if (ret)
 		return ret;
 
-	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_INTX);
+	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
 	if (ret < 0)
 		return ret;
 
diff --git a/drivers/mfd/intel-m10-bmc-pmci.c b/drivers/mfd/intel-m10-bmc-pmci.c
index 0392ef8b57d8..698c5933938b 100644
--- a/drivers/mfd/intel-m10-bmc-pmci.c
+++ b/drivers/mfd/intel-m10-bmc-pmci.c
@@ -370,6 +370,7 @@ static const struct m10bmc_csr_map m10bmc_n6000_csr_map = {
 	.pr_reh_addr = M10BMC_N6000_PR_REH_ADDR,
 	.pr_magic = M10BMC_N6000_PR_PROG_MAGIC,
 	.rsu_update_counter = M10BMC_N6000_STAGING_FLASH_COUNT,
+	.staging_size = M10BMC_STAGING_SIZE,
 };
 
 static const struct intel_m10bmc_platform_info m10bmc_pmci_n6000 = {
diff --git a/drivers/mfd/intel-m10-bmc-spi.c b/drivers/mfd/intel-m10-bmc-spi.c
index cbeb7de9e041..d64d28199df6 100644
--- a/drivers/mfd/intel-m10-bmc-spi.c
+++ b/drivers/mfd/intel-m10-bmc-spi.c
@@ -109,6 +109,7 @@ static const struct m10bmc_csr_map m10bmc_n3000_csr_map = {
 	.pr_reh_addr = M10BMC_N3000_PR_REH_ADDR,
 	.pr_magic = M10BMC_N3000_PR_PROG_MAGIC,
 	.rsu_update_counter = M10BMC_N3000_STAGING_FLASH_COUNT,
+	.staging_size = M10BMC_STAGING_SIZE,
 };
 
 static struct mfd_cell m10bmc_d5005_subdevs[] = {
diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
index 5557f023a173..8a332852bf97 100644
--- a/drivers/mfd/kempld-core.c
+++ b/drivers/mfd/kempld-core.c
@@ -6,14 +6,17 @@
  * Author: Michael Brunner <michael.brunner@kontron.com>
  */
 
+#include <linux/err.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/kempld.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
+#include <linux/property.h>
 #include <linux/dmi.h>
 #include <linux/io.h>
 #include <linux/delay.h>
-#include <linux/acpi.h>
+#include <linux/sysfs.h>
 
 #define MAX_ID_LEN 4
 static char force_device_id[MAX_ID_LEN + 1] = "";
@@ -106,7 +109,7 @@ static int kempld_register_cells_generic(struct kempld_device_data *pld)
 	if (pld->feature_mask & KEMPLD_FEATURE_MASK_UART)
 		devs[i++].name = kempld_dev_names[KEMPLD_UART];
 
-	return mfd_add_devices(pld->dev, -1, devs, i, NULL, 0, NULL);
+	return mfd_add_devices(pld->dev, PLATFORM_DEVID_NONE, devs, i, NULL, 0, NULL);
 }
 
 static struct resource kempld_ioresource = {
@@ -126,31 +129,22 @@ static const struct kempld_platform_data kempld_platform_data_generic = {
 
 static struct platform_device *kempld_pdev;
 
-static int kempld_create_platform_device(const struct dmi_system_id *id)
+static int kempld_create_platform_device(const struct kempld_platform_data *pdata)
 {
-	const struct kempld_platform_data *pdata = id->driver_data;
-	int ret;
-
-	kempld_pdev = platform_device_alloc("kempld", -1);
-	if (!kempld_pdev)
-		return -ENOMEM;
-
-	ret = platform_device_add_data(kempld_pdev, pdata, sizeof(*pdata));
-	if (ret)
-		goto err;
-
-	ret = platform_device_add_resources(kempld_pdev, pdata->ioresource, 1);
-	if (ret)
-		goto err;
-
-	ret = platform_device_add(kempld_pdev);
-	if (ret)
-		goto err;
+	const struct platform_device_info pdevinfo = {
+		.name = "kempld",
+		.id = PLATFORM_DEVID_NONE,
+		.res = pdata->ioresource,
+		.num_res = 1,
+		.data = pdata,
+		.size_data = sizeof(*pdata),
+	};
+
+	kempld_pdev = platform_device_register_full(&pdevinfo);
+	if (IS_ERR(kempld_pdev))
+		return PTR_ERR(kempld_pdev);
 
 	return 0;
-err:
-	platform_device_put(kempld_pdev);
-	return ret;
 }
 
 /**
@@ -299,11 +293,8 @@ static int kempld_get_info(struct kempld_device_data *pld)
 	else
 		minor = (pld->info.minor - 10) + 'A';
 
-	ret = scnprintf(pld->info.version, sizeof(pld->info.version),
-			"P%X%c%c.%04X", pld->info.number, major, minor,
-			pld->info.buildnr);
-	if (ret < 0)
-		return ret;
+	scnprintf(pld->info.version, sizeof(pld->info.version), "P%X%c%c.%04X",
+		  pld->info.number, major, minor, pld->info.buildnr);
 
 	return 0;
 }
@@ -372,16 +363,13 @@ static DEVICE_ATTR_RO(pld_version);
 static DEVICE_ATTR_RO(pld_specification);
 static DEVICE_ATTR_RO(pld_type);
 
-static struct attribute *pld_attributes[] = {
+static struct attribute *pld_attrs[] = {
 	&dev_attr_pld_version.attr,
 	&dev_attr_pld_specification.attr,
 	&dev_attr_pld_type.attr,
 	NULL
 };
-
-static const struct attribute_group pld_attr_group = {
-	.attrs = pld_attributes,
-};
+ATTRIBUTE_GROUPS(pld);
 
 static int kempld_detect_device(struct kempld_device_data *pld)
 {
@@ -414,36 +402,8 @@ static int kempld_detect_device(struct kempld_device_data *pld)
 		 pld->info.version, kempld_get_type_string(pld),
 		 pld->info.spec_major, pld->info.spec_minor);
 
-	ret = sysfs_create_group(&pld->dev->kobj, &pld_attr_group);
-	if (ret)
-		return ret;
-
-	ret = kempld_register_cells(pld);
-	if (ret)
-		sysfs_remove_group(&pld->dev->kobj, &pld_attr_group);
-
-	return ret;
-}
-
-#ifdef CONFIG_ACPI
-static int kempld_get_acpi_data(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	const struct kempld_platform_data *pdata;
-	int ret;
-
-	pdata = acpi_device_get_match_data(dev);
-	ret = platform_device_add_data(pdev, pdata,
-				       sizeof(struct kempld_platform_data));
-
-	return ret;
+	return kempld_register_cells(pld);
 }
-#else
-static int kempld_get_acpi_data(struct platform_device *pdev)
-{
-	return -ENODEV;
-}
-#endif /* CONFIG_ACPI */
 
 static int kempld_probe(struct platform_device *pdev)
 {
@@ -453,15 +413,21 @@ static int kempld_probe(struct platform_device *pdev)
 	struct resource *ioport;
 	int ret;
 
-	if (kempld_pdev == NULL) {
+	if (IS_ERR_OR_NULL(kempld_pdev)) {
 		/*
 		 * No kempld_pdev device has been registered in kempld_init,
 		 * so we seem to be probing an ACPI platform device.
 		 */
-		ret = kempld_get_acpi_data(pdev);
+		pdata = device_get_match_data(dev);
+		if (!pdata)
+			return -ENODEV;
+
+		ret = platform_device_add_data(pdev, pdata, sizeof(*pdata));
 		if (ret)
 			return ret;
-	} else if (kempld_pdev != pdev) {
+	} else if (kempld_pdev == pdev) {
+		pdata = dev_get_platdata(dev);
+	} else {
 		/*
 		 * The platform device we are probing is not the one we
 		 * registered in kempld_init using the DMI table, so this one
@@ -472,7 +438,6 @@ static int kempld_probe(struct platform_device *pdev)
 		dev_notice(dev, "platform device exists - not using ACPI\n");
 		return -ENODEV;
 	}
-	pdata = dev_get_platdata(dev);
 
 	pld = devm_kzalloc(dev, sizeof(*pld), GFP_KERNEL);
 	if (!pld)
@@ -503,25 +468,22 @@ static void kempld_remove(struct platform_device *pdev)
 	struct kempld_device_data *pld = platform_get_drvdata(pdev);
 	const struct kempld_platform_data *pdata = dev_get_platdata(pld->dev);
 
-	sysfs_remove_group(&pld->dev->kobj, &pld_attr_group);
-
 	mfd_remove_devices(&pdev->dev);
 	pdata->release_hardware_mutex(pld);
 }
 
-#ifdef CONFIG_ACPI
 static const struct acpi_device_id kempld_acpi_table[] = {
 	{ "KEM0000", (kernel_ulong_t)&kempld_platform_data_generic },
 	{ "KEM0001", (kernel_ulong_t)&kempld_platform_data_generic },
 	{}
 };
 MODULE_DEVICE_TABLE(acpi, kempld_acpi_table);
-#endif
 
 static struct platform_driver kempld_driver = {
 	.driver		= {
 		.name	= "kempld",
-		.acpi_match_table = ACPI_PTR(kempld_acpi_table),
+		.acpi_match_table = kempld_acpi_table,
+		.dev_groups	  = pld_groups,
 	},
 	.probe		= kempld_probe,
 	.remove_new	= kempld_remove,
@@ -534,375 +496,281 @@ static const struct dmi_system_id kempld_dmi_table[] __initconst = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bBD"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "BBL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bBL6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "BDV7",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bDV7"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "BHL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bHL6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "BKL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bKL6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "BSL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bSL6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CAL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cAL"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CBL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cBL6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CBW6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cBW6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CCR2",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP2"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CCR6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bIP6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CDV7",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cDV7"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CHL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cHL6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CHR2",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T2"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CHR2",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T2"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CHR2",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC2"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CHR6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-SC T6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CHR6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "ETXe-SC T6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CHR6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bSC6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CKL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cKL6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CNTG",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "ETXexpress-PC"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CNTG",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-bPC2"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CNTX",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "PXT"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CSL6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cSL6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "CVV6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cBT"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "FRI2",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BIOS_VERSION, "FRI2"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "FRI2",
 		.matches = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Fish River Island II"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "A203",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "KBox A-203"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "M4A1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-m4AL"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "MAL1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-mAL10"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "MAPL",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "mITX-APL"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "MBR1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "ETX-OH"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "MVV1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-mBT"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "NTC1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "nanoETXexpress-TT"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "NTC1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "nETXe-TT"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "NTC1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-mTT"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "NUP1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-mCT"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "PAPL",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "pITX-APL"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "SXAL",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXAL"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "SXAL4",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "SMARC-sXA4"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "UNP1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-DC"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "UNP1",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cDC2"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "UNTG",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "microETXexpress-PC"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "UNTG",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cPC2"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "UUP6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cCT6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "UTH6",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "COMe-cTH6"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	}, {
 		.ident = "Q7AL",
 		.matches = {
 			DMI_MATCH(DMI_BOARD_VENDOR, "Kontron"),
 			DMI_MATCH(DMI_BOARD_NAME, "Qseven-Q7AL"),
 		},
-		.driver_data = (void *)&kempld_platform_data_generic,
-		.callback = kempld_create_platform_device,
 	},
 	{}
 };
@@ -911,27 +779,28 @@ MODULE_DEVICE_TABLE(dmi, kempld_dmi_table);
 static int __init kempld_init(void)
 {
 	const struct dmi_system_id *id;
+	int ret = -ENODEV;
 
-	if (force_device_id[0