Merging upstream version 6.8.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

28 files changed, 122 insertions, 160 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index f8fdf8223..4b023ee22 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -2257,7 +2257,7 @@ config MFD_VEXPRESS_SYSREG
 config RAVE_SP_CORE
 	tristate "RAVE SP MCU core driver"
 	depends on SERIAL_DEV_BUS
-	select CRC_CCITT
+	select CRC_ITU_T
 	help
 	  Select this to get support for the Supervisory Processor
 	  device found on several devices in RAVE line of hardware.
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index eeeb62415..8f3ebe651 100644
--- a/drivers/mfd/ab8500-sysctrl.c
+++ b/drivers/mfd/ab8500-sysctrl.c
@@ -30,7 +30,7 @@ static void ab8500_power_off(void)
 {
 	sigset_t old;
 	sigset_t all;
-	static const char * const pss[] = {"ab8500_ac", "pm2301", "ab8500_usb"};
+	static const char * const pss[] = {"ab8500_ac", "ab8500_usb"};
 	int i;
 	bool charger_present = false;
 	union power_supply_propval val;
@@ -140,14 +140,12 @@ static int ab8500_sysctrl_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int ab8500_sysctrl_remove(struct platform_device *pdev)
+static void ab8500_sysctrl_remove(struct platform_device *pdev)
 {
 	sysctrl_dev = NULL;
 
 	if (pm_power_off == ab8500_power_off)
 		pm_power_off = NULL;
-
-	return 0;
 }
 
 static const struct of_device_id ab8500_sysctrl_match[] = {
@@ -161,7 +159,7 @@ static struct platform_driver ab8500_sysctrl_driver = {
 		.of_match_table = ab8500_sysctrl_match,
 	},
 	.probe = ab8500_sysctrl_probe,
-	.remove = ab8500_sysctrl_remove,
+	.remove_new = ab8500_sysctrl_remove,
 };
 
 static int __init ab8500_sysctrl_init(void)
diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index 79d393b60..603b1cd52 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -288,13 +288,12 @@ failed:
 	return retval;
 }
 
-static int ec_device_remove(struct platform_device *pdev)
+static void ec_device_remove(struct platform_device *pdev)
 {
 	struct cros_ec_dev *ec = dev_get_drvdata(&pdev->dev);
 
 	mfd_remove_devices(ec->dev);
 	device_unregister(&ec->class_dev);
-	return 0;
 }
 
 static const struct platform_device_id cros_ec_id[] = {
@@ -309,7 +308,7 @@ static struct platform_driver cros_ec_dev_driver = {
 	},
 	.id_table = cros_ec_id,
 	.probe = ec_device_probe,
-	.remove = ec_device_remove,
+	.remove_new = ec_device_remove,
 };
 
 static int __init cros_ec_dev_init(void)
diff --git a/drivers/mfd/cs42l43-sdw.c b/drivers/mfd/cs42l43-sdw.c
index 4be4df9dd..1d85bbf8c 100644
--- a/drivers/mfd/cs42l43-sdw.c
+++ b/drivers/mfd/cs42l43-sdw.c
@@ -6,11 +6,11 @@
  *                         Cirrus Logic International Semiconductor Ltd.
  */
 
+#include <linux/device.h>
 #include <linux/err.h>
 #include <linux/errno.h>
 #include <linux/mfd/cs42l43-regs.h>
 #include <linux/module.h>
-#include <linux/device.h>
 #include <linux/soundwire/sdw.h>
 #include <linux/soundwire/sdw_registers.h>
 #include <linux/soundwire/sdw_type.h>
diff --git a/drivers/mfd/da9062-core.c b/drivers/mfd/da9062-core.c
index 45da007d3..73a221079 100644
--- a/drivers/mfd/da9062-core.c
+++ b/drivers/mfd/da9062-core.c
@@ -588,16 +588,8 @@ static struct regmap_config da9062_regmap_config = {
 	.volatile_table = &da9062_aa_volatile_table,
 };
 
-static const struct of_device_id da9062_dt_ids[] = {
-	{ .compatible = "dlg,da9061", .data = (void *)COMPAT_TYPE_DA9061, },
-	{ .compatible = "dlg,da9062", .data = (void *)COMPAT_TYPE_DA9062, },
-	{ }
-};
-MODULE_DEVICE_TABLE(of, da9062_dt_ids);
-
 static int da9062_i2c_probe(struct i2c_client *i2c)
 {
-	const struct i2c_device_id *id = i2c_client_get_device_id(i2c);
 	struct da9062 *chip;
 	unsigned int irq_base = 0;
 	const struct mfd_cell *cell;
@@ -611,10 +603,7 @@ static int da9062_i2c_probe(struct i2c_client *i2c)
 	if (!chip)
 		return -ENOMEM;
 
-	if (i2c->dev.of_node)
-		chip->chip_type = (uintptr_t)of_device_get_match_data(&i2c->dev);
-	else
-		chip->chip_type = id->driver_data;
+	chip->chip_type = (uintptr_t)i2c_get_match_data(i2c);
 
 	i2c_set_clientdata(i2c, chip);
 	chip->dev = &i2c->dev;
@@ -714,10 +703,17 @@ static void da9062_i2c_remove(struct i2c_client *i2c)
 	regmap_del_irq_chip(i2c->irq, chip->regmap_irq);
 }
 
+static const struct of_device_id da9062_dt_ids[] = {
+	{ .compatible = "dlg,da9061", .data = (void *)COMPAT_TYPE_DA9061 },
+	{ .compatible = "dlg,da9062", .data = (void *)COMPAT_TYPE_DA9062 },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, da9062_dt_ids);
+
 static const struct i2c_device_id da9062_i2c_id[] = {
 	{ "da9061", COMPAT_TYPE_DA9061 },
 	{ "da9062", COMPAT_TYPE_DA9062 },
-	{ },
+	{ }
 };
 MODULE_DEVICE_TABLE(i2c, da9062_i2c_id);
 
diff --git a/drivers/mfd/exynos-lpass.c b/drivers/mfd/exynos-lpass.c
index 1506d8d35..e58990c85 100644
--- a/drivers/mfd/exynos-lpass.c
+++ b/drivers/mfd/exynos-lpass.c
@@ -137,7 +137,7 @@ static int exynos_lpass_probe(struct platform_device *pdev)
 	return devm_of_platform_populate(dev);
 }
 
-static int exynos_lpass_remove(struct platform_device *pdev)
+static void exynos_lpass_remove(struct platform_device *pdev)
 {
 	struct exynos_lpass *lpass = platform_get_drvdata(pdev);
 
@@ -146,8 +146,6 @@ static int exynos_lpass_remove(struct platform_device *pdev)
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		exynos_lpass_disable(lpass);
 	regmap_exit(lpass->top);
-
-	return 0;
 }
 
 static int __maybe_unused exynos_lpass_suspend(struct device *dev)
@@ -187,7 +185,7 @@ static struct platform_driver exynos_lpass_driver = {
 		.of_match_table	= exynos_lpass_of_match,
 	},
 	.probe	= exynos_lpass_probe,
-	.remove	= exynos_lpass_remove,
+	.remove_new = exynos_lpass_remove,
 };
 module_platform_driver(exynos_lpass_driver);
 
diff --git a/drivers/mfd/fsl-imx25-tsadc.c b/drivers/mfd/fsl-imx25-tsadc.c
index 089c2ce61..74f38bf37 100644
--- a/drivers/mfd/fsl-imx25-tsadc.c
+++ b/drivers/mfd/fsl-imx25-tsadc.c
@@ -194,11 +194,9 @@ err_irq:
 	return ret;
 }
 
-static int mx25_tsadc_remove(struct platform_device *pdev)
+static void mx25_tsadc_remove(struct platform_device *pdev)
 {
 	mx25_tsadc_unset_irq(pdev);
-
-	return 0;
 }
 
 static const struct of_device_id mx25_tsadc_ids[] = {
@@ -213,7 +211,7 @@ static struct platform_driver mx25_tsadc_driver = {
 		.of_match_table = mx25_tsadc_ids,
 	},
 	.probe = mx25_tsadc_probe,
-	.remove = mx25_tsadc_remove,
+	.remove_new = mx25_tsadc_remove,
 };
 module_platform_driver(mx25_tsadc_driver);
 
diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c
index 8feae8d8f..042109304 100644
--- a/drivers/mfd/hi655x-pmic.c
+++ b/drivers/mfd/hi655x-pmic.c
@@ -144,13 +144,12 @@ static int hi655x_pmic_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int hi655x_pmic_remove(struct platform_device *pdev)
+static void hi655x_pmic_remove(struct platform_device *pdev)
 {
 	struct hi655x_pmic *pmic = platform_get_drvdata(pdev);
 
 	regmap_del_irq_chip(gpiod_to_irq(pmic->gpio), pmic->irq_data);
 	mfd_remove_devices(&pdev->dev);
-	return 0;
 }
 
 static const struct of_device_id hi655x_pmic_match[] = {
@@ -165,7 +164,7 @@ static struct platform_driver hi655x_pmic_driver = {
 		.of_match_table = hi655x_pmic_match,
 	},
 	.probe  = hi655x_pmic_probe,
-	.remove = hi655x_pmic_remove,
+	.remove_new = hi655x_pmic_remove,
 };
 module_platform_driver(hi655x_pmic_driver);
 
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c
index 212818aef..2a83f8678 100644
--- a/drivers/mfd/intel-lpss-acpi.c
+++ b/drivers/mfd/intel-lpss-acpi.c
@@ -8,15 +8,20 @@
  *          Mika Westerberg <mika.westerberg@linux.intel.com>
  */
 
-#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/gfp_types.h>
 #include <linux/ioport.h>
-#include <linux/kernel.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
+#include <linux/pm.h>
 #include <linux/pm_runtime.h>
 #include <linux/platform_device.h>
 #include <linux/property.h>
+
 #include <linux/pxa2xx_ssp.h>
 
+#include <asm/errno.h>
+
 #include "intel-lpss.h"
 
 static const struct property_entry spt_spi_properties[] = {
@@ -169,23 +174,20 @@ MODULE_DEVICE_TABLE(acpi, intel_lpss_acpi_ids);
 
 static int intel_lpss_acpi_probe(struct platform_device *pdev)
 {
+	const struct intel_lpss_platform_info *data;
 	struct intel_lpss_platform_info *info;
-	const struct acpi_device_id *id;
 	int ret;
 
-	id = acpi_match_device(intel_lpss_acpi_ids, &pdev->dev);
-	if (!id)
+	data = device_get_match_data(&pdev->dev);
+	if (!data)
 		return -ENODEV;
 
-	info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info),
-			    GFP_KERNEL);
+	info = devm_kmemdup(&pdev->dev, data, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
+	/* No need to check mem and irq here as intel_lpss_probe() does it for us */
 	info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!info->mem)
-		return -ENODEV;
-
 	info->irq = platform_get_irq(pdev, 0);
 
 	ret = intel_lpss_probe(&pdev->dev, info);
@@ -198,23 +200,19 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int intel_lpss_acpi_remove(struct platform_device *pdev)
+static void intel_lpss_acpi_remove(struct platform_device *pdev)
 {
 	intel_lpss_remove(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
-
-	return 0;
 }
 
-static INTEL_LPSS_PM_OPS(intel_lpss_acpi_pm_ops);
-
 static struct platform_driver intel_lpss_acpi_driver = {
 	.probe = intel_lpss_acpi_probe,
-	.remove = intel_lpss_acpi_remove,
+	.remove_new = intel_lpss_acpi_remove,
 	.driver = {
 		.name = "intel-lpss",
 		.acpi_match_table = intel_lpss_acpi_ids,
-		.pm = &intel_lpss_acpi_pm_ops,
+		.pm = pm_ptr(&intel_lpss_pm_ops),
 	},
 };
 
@@ -224,3 +222,4 @@ MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
 MODULE_DESCRIPTION("Intel LPSS ACPI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(INTEL_LPSS);
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
index cab11ed23..8c00e0c69 100644
--- a/drivers/mfd/intel-lpss-pci.c
+++ b/drivers/mfd/intel-lpss-pci.c
@@ -8,14 +8,19 @@
  *          Mika Westerberg <mika.westerberg@linux.intel.com>
  */
 
-#include <linux/ioport.h>
-#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/gfp_types.h>
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/pm.h>
 #include <linux/pm_runtime.h>
 #include <linux/property.h>
+
 #include <linux/pxa2xx_ssp.h>
 
+#include <asm/errno.h>
+
 #include "intel-lpss.h"
 
 static const struct pci_device_id quirk_ids[] = {
@@ -40,6 +45,7 @@ static const struct pci_device_id quirk_ids[] = {
 static int intel_lpss_pci_probe(struct pci_dev *pdev,
 				const struct pci_device_id *id)
 {
+	const struct intel_lpss_platform_info *data = (void *)id->driver_data;
 	const struct pci_device_id *quirk_pci_info;
 	struct intel_lpss_platform_info *info;
 	int ret;
@@ -48,13 +54,17 @@ static int intel_lpss_pci_probe(struct pci_dev *pdev,
 	if (ret)
 		return ret;
 
-	info = devm_kmemdup(&pdev->dev, (void *)id->driver_data, sizeof(*info),
-			    GFP_KERNEL);
+	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_LEGACY);
+	if (ret < 0)
+		return ret;
+
+	info = devm_kmemdup(&pdev->dev, data, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
-	info->mem = &pdev->resource[0];
-	info->irq = pdev->irq;
+	/* No need to check mem and irq here as intel_lpss_probe() does it for us */
+	info->mem = pci_resource_n(pdev, 0);
+	info->irq = pci_irq_vector(pdev, 0);
 
 	quirk_pci_info = pci_match_id(quirk_ids, pdev);
 	if (quirk_pci_info)
@@ -84,8 +94,6 @@ static void intel_lpss_pci_remove(struct pci_dev *pdev)
 	intel_lpss_remove(&pdev->dev);
 }
 
-static INTEL_LPSS_PM_OPS(intel_lpss_pci_pm_ops);
-
 static const struct property_entry spt_spi_properties[] = {
 	PROPERTY_ENTRY_U32("intel,spi-pxa2xx-type", LPSS_SPT_SSP),
 	{ }
@@ -596,7 +604,7 @@ static struct pci_driver intel_lpss_pci_driver = {
 	.probe = intel_lpss_pci_probe,
 	.remove = intel_lpss_pci_remove,
 	.driver = {
-		.pm = &intel_lpss_pci_pm_ops,
+		.pm = pm_ptr(&intel_lpss_pm_ops),
 	},
 };
 
@@ -606,3 +614,4 @@ MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
 MODULE_AUTHOR("Mika Westerberg <mika.westerberg@linux.intel.com>");
 MODULE_DESCRIPTION("Intel LPSS PCI driver");
 MODULE_LICENSE("GPL v2");
+MODULE_IMPORT_NS(INTEL_LPSS);
diff --git a/drivers/mfd/intel-lpss.c b/drivers/mfd/intel-lpss.c
index d422e88ba..2a9018112 100644
--- a/drivers/mfd/intel-lpss.c
+++ b/drivers/mfd/intel-lpss.c
@@ -10,26 +10,34 @@
  *          Jarkko Nikula <jarkko.nikula@linux.intel.com>
  */
 
-#include <linux/clk.h>
+#include <linux/array_size.h>
+#include <linux/bits.h>
 #include <linux/clkdev.h>
+#include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gfp_types.h>
 #include <linux/idr.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
 #include <linux/mfd/core.h>
+#include <linux/module.h>
+#include <linux/pm.h>
 #include <linux/pm_qos.h>
 #include <linux/pm_runtime.h>
-#include <linux/property.h>
-#include <linux/seq_file.h>
+#include <linux/sprintf.h>
+#include <linux/types.h>
+
 #include <linux/io-64-nonatomic-lo-hi.h>
 
 #include <linux/dma/idma64.h>
 
 #include "intel-lpss.h"
 
+struct dentry;
+
 #define LPSS_DEV_OFFSET		0x000
 #define LPSS_DEV_SIZE		0x200
 #define LPSS_PRIV_OFFSET	0x200
@@ -385,9 +393,12 @@ int intel_lpss_probe(struct device *dev,
 	struct intel_lpss *lpss;
 	int ret;
 
-	if (!info || !info->mem || info->irq <= 0)
+	if (!info || !info->mem)
 		return -EINVAL;
 
+	if (info->irq < 0)
+		return info->irq;
+
 	lpss = devm_kzalloc(dev, sizeof(*lpss), GFP_KERNEL);
 	if (!lpss)
 		return -ENOMEM;
@@ -412,7 +423,7 @@ int intel_lpss_probe(struct device *dev,
 
 	intel_lpss_init_dev(lpss);
 
-	lpss->devid = ida_simple_get(&intel_lpss_devid_ida, 0, 0, GFP_KERNEL);
+	lpss->devid = ida_alloc(&intel_lpss_devid_ida, GFP_KERNEL);
 	if (lpss->devid < 0)
 		return lpss->devid;
 
@@ -449,11 +460,11 @@ err_remove_ltr:
 	intel_lpss_unregister_clock(lpss);
 
 err_clk_register:
-	ida_simple_remove(&intel_lpss_devid_ida, lpss->devid);
+	ida_free(&intel_lpss_devid_ida, lpss->devid);
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(intel_lpss_probe);
+EXPORT_SYMBOL_NS_GPL(intel_lpss_probe, INTEL_LPSS);
 
 void intel_lpss_remove(struct device *dev)
 {
@@ -463,11 +474,10 @@ void intel_lpss_remove(struct device *dev)
 	intel_lpss_debugfs_remove(lpss);
 	intel_lpss_ltr_hide(lpss);
 	intel_lpss_unregister_clock(lpss);
-	ida_simple_remove(&intel_lpss_devid_ida, lpss->devid);
+	ida_free(&intel_lpss_devid_ida, lpss->devid);
 }
-EXPORT_SYMBOL_GPL(intel_lpss_remove);
+EXPORT_SYMBOL_NS_GPL(intel_lpss_remove, INTEL_LPSS);
 
-#ifdef CONFIG_PM
 static int resume_lpss_device(struct device *dev, void *data)
 {
 	if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND))
@@ -476,7 +486,7 @@ static int resume_lpss_device(struct device *dev, void *data)
 	return 0;
 }
 
-int intel_lpss_prepare(struct device *dev)
+static int intel_lpss_prepare(struct device *dev)
 {
 	/*
 	 * Resume both child devices before entering system sleep. This
@@ -485,9 +495,8 @@ int intel_lpss_prepare(struct device *dev)
 	device_for_each_child_reverse(dev, NULL, resume_lpss_device);
 	return 0;
 }
-EXPORT_SYMBOL_GPL(intel_lpss_prepare);
 
-int intel_lpss_suspend(struct device *dev)
+static int intel_lpss_suspend(struct device *dev)
 {
 	struct intel_lpss *lpss = dev_get_drvdata(dev);
 	unsigned int i;
@@ -506,9 +515,8 @@ int intel_lpss_suspend(struct device *dev)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(intel_lpss_suspend);
 
-int intel_lpss_resume(struct device *dev)
+static int intel_lpss_resume(struct device *dev)
 {
 	struct intel_lpss *lpss = dev_get_drvdata(dev);
 	unsigned int i;
@@ -521,8 +529,12 @@ int intel_lpss_resume(struct device *dev)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(intel_lpss_resume);
-#endif
+
+EXPORT_NS_GPL_DEV_PM_OPS(intel_lpss_pm_ops, INTEL_LPSS) = {
+	.prepare = pm_sleep_ptr(&intel_lpss_prepare),
+	LATE_SYSTEM_SLEEP_PM_OPS(intel_lpss_suspend, intel_lpss_resume)
+	RUNTIME_PM_OPS(intel_lpss_suspend, intel_lpss_resume, NULL)
+};
 
 static int __init intel_lpss_init(void)
 {
diff --git a/drivers/mfd/intel-lpss.h b/drivers/mfd/intel-lpss.h
index f50d11d60..6f8f668f4 100644
--- a/drivers/mfd/intel-lpss.h
+++ b/drivers/mfd/intel-lpss.h
@@ -42,32 +42,6 @@ int intel_lpss_probe(struct device *dev,
 		     const struct intel_lpss_platform_info *info);
 void intel_lpss_remove(struct device *dev);
 
-#ifdef CONFIG_PM
-int intel_lpss_prepare(struct device *dev);
-int intel_lpss_suspend(struct device *dev);
-int intel_lpss_resume(struct device *dev);
-
-#ifdef CONFIG_PM_SLEEP
-#define INTEL_LPSS_SLEEP_PM_OPS			\
-	.prepare = intel_lpss_prepare,		\
-	SET_LATE_SYSTEM_SLEEP_PM_OPS(intel_lpss_suspend, intel_lpss_resume)
-#else
-#define INTEL_LPSS_SLEEP_PM_OPS
-#endif
-
-#define INTEL_LPSS_RUNTIME_PM_OPS		\
-	.runtime_suspend = intel_lpss_suspend,	\
-	.runtime_resume = intel_lpss_resume,
-
-#else /* !CONFIG_PM */
-#define INTEL_LPSS_SLEEP_PM_OPS
-#define INTEL_LPSS_RUNTIME_PM_OPS
-#endif /* CONFIG_PM */
-
-#define INTEL_LPSS_PM_OPS(name)			\
-const struct dev_pm_ops name = {		\
-	INTEL_LPSS_SLEEP_PM_OPS			\
-	INTEL_LPSS_RUNTIME_PM_OPS		\
-}
+extern const struct dev_pm_ops intel_lpss_pm_ops;
 
 #endif /* __MFD_INTEL_LPSS_H */
diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
index 33c6cfe9f..67af36a38 100644
--- a/drivers/mfd/kempld-core.c
+++ b/drivers/mfd/kempld-core.c
@@ -535,7 +535,7 @@ static int kempld_probe(struct platform_device *pdev)
 	return kempld_detect_device(pld);
 }
 
-static int kempld_remove(struct platform_device *pdev)
+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);
@@ -544,8 +544,6 @@ static int kempld_remove(struct platform_device *pdev)
 
 	mfd_remove_devices(&pdev->dev);
 	pdata->release_hardware_mutex(pld);
-
-	return 0;
 }
 
 #ifdef CONFIG_ACPI
@@ -563,7 +561,7 @@ static struct platform_driver kempld_driver = {
 		.acpi_match_table = ACPI_PTR(kempld_acpi_table),
 	},
 	.probe		= kempld_probe,
-	.remove		= kempld_remove,
+	.remove_new	= kempld_remove,
 };
 
 static const struct dmi_system_id kempld_dmi_table[] __initconst = {
diff --git a/drivers/mfd/mcp-sa11x0.c b/drivers/mfd/mcp-sa11x0.c
index 1c9831b78..3883e472b 100644
--- a/drivers/mfd/mcp-sa11x0.c
+++ b/drivers/mfd/mcp-sa11x0.c
@@ -232,7 +232,7 @@ static int mcp_sa11x0_probe(struct platform_device *dev)
 	return ret;
 }
 
-static int mcp_sa11x0_remove(struct platform_device *dev)
+static void mcp_sa11x0_remove(struct platform_device *dev)
 {
 	struct mcp *mcp = platform_get_drvdata(dev);
 	struct mcp_sa11x0 *m = priv(mcp);
@@ -251,8 +251,6 @@ static int mcp_sa11x0_remove(struct platform_device *dev)
 	mcp_host_free(mcp);
 	release_mem_region(mem1->start, resource_size(mem1));
 	release_mem_region(mem0->start, resource_size(mem0));
-
-	return 0;
 }
 
 static int mcp_sa11x0_suspend(struct device *dev)
@@ -288,7 +286,7 @@ static const struct dev_pm_ops mcp_sa11x0_pm_ops = {
 
 static struct platform_driver mcp_sa11x0_driver = {
 	.probe		= mcp_sa11x0_probe,
-	.remove		= mcp_sa11x0_remove,
+	.remove_new	= mcp_sa11x0_remove,
 	.driver		= {
 		.name	= DRIVER_NAME,
 		.pm	= pm_sleep_ptr(&mcp_sa11x0_pm_ops),
diff --git a/drivers/mfd/mxs-lradc.c b/drivers/mfd/mxs-lradc.c
index ec1b35656..73893890b 100644
--- a/drivers/mfd/mxs-lradc.c
+++ b/drivers/mfd/mxs-lradc.c
@@ -230,13 +230,11 @@ err_clk:
 	return ret;
 }
 
-static int mxs_lradc_remove(struct platform_device *pdev)
+static void mxs_lradc_remove(struct platform_device *pdev)
 {
 	struct mxs_lradc *lradc = platform_get_drvdata(pdev);
 
 	clk_disable_unprepare(lradc->clk);
-
-	return 0;
 }
 
 static struct platform_driver mxs_lradc_driver = {
@@ -245,7 +243,7 @@ static struct platform_driver mxs_lradc_driver = {
 		.of_match_table = mxs_lradc_dt_ids,
 	},
 	.probe = mxs_lradc_probe,
-	.remove = mxs_lradc_remove,
+	.remove_new = mxs_lradc_remove,
 };
 module_platform_driver(mxs_lradc_driver);
 
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 78f1bb55d..ebc62033d 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -816,13 +816,12 @@ static int usbhs_omap_remove_child(struct device *dev, void *data)
  *
  * Reverses the effect of usbhs_omap_probe().
  */
-static int usbhs_omap_remove(struct platform_device *pdev)
+static void usbhs_omap_remove(struct platform_device *pdev)
 {
 	pm_runtime_disable(&pdev->dev);
 
 	/* remove children */
 	device_for_each_child(&pdev->dev, NULL, usbhs_omap_remove_child);
-	return 0;
 }
 
 static const struct dev_pm_ops usbhsomap_dev_pm_ops = {
@@ -845,7 +844,7 @@ static struct platform_driver usbhs_omap_driver = {
 		.of_match_table = usbhs_omap_dt_ids,
 	},
 	.probe		= usbhs_omap_probe,
-	.remove		= usbhs_omap_remove,
+	.remove_new	= usbhs_omap_remove,
 };
 
 MODULE_AUTHOR("Keshava Munegowda <keshava_mgowda@ti.com>");
diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
index 906353735..b6303ddb0 100644
--- a/drivers/mfd/omap-usb-tll.c
+++ b/drivers/mfd/omap-usb-tll.c
@@ -270,7 +270,7 @@ static int usbtll_omap_probe(struct platform_device *pdev)
  *
  * Reverses the effect of usbtll_omap_probe().
  */
-static int usbtll_omap_remove(struct platform_device *pdev)
+static void usbtll_omap_remove(struct platform_device *pdev)
 {
 	struct usbtll_omap *tll = platform_get_drvdata(pdev);
 	int i;
@@ -287,7 +287,6 @@ static int usbtll_omap_remove(struct platform_device *pdev)
 	}
 
 	pm_runtime_disable(&pdev->dev);
-	return 0;
 }
 
 static const struct of_device_id usbtll_omap_dt_ids[] = {
@@ -303,7 +302,7 @@ static struct platform_driver usbtll_omap_driver = {
 		.of_match_table = usbtll_omap_dt_ids,
 	},
 	.probe		= usbtll_omap_probe,
-	.remove		= usbtll_omap_remove,
+	.remove_new	= usbtll_omap_remove,
 };
 
 int omap_tll_init(struct usbhs_omap_platform_data *pdata)
diff --git a/drivers/mfd/pcf50633-adc.c b/drivers/mfd/pcf50633-adc.c
index 191b1bc61..ab55906f9 100644
--- a/drivers/mfd/pcf50633-adc.c
+++ b/drivers/mfd/pcf50633-adc.c
@@ -218,7 +218,7 @@ static int pcf50633_adc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int pcf50633_adc_remove(struct platform_device *pdev)
+static void pcf50633_adc_remove(struct platform_device *pdev)
 {
 	struct pcf50633_adc *adc = platform_get_drvdata(pdev);
 	int i, head;
@@ -236,8 +236,6 @@ static int pcf50633_adc_remove(struct platform_device *pdev)
 		kfree(adc->queue[i]);
 
 	mutex_unlock(&adc->queue_mutex);
-
-	return 0;
 }
 
 static struct platform_driver pcf50633_adc_driver = {
@@ -245,7 +243,7 @@ static struct platform_driver pcf50633_adc_driver = {
 		.name = "pcf50633-adc",
 	},
 	.probe = pcf50633_adc_probe,
-	.remove = pcf50633_adc_remove,
+	.remove_new = pcf50633_adc_remove,
 };
 
 module_platform_driver(pcf50633_adc_driver);
diff --git a/drivers/mfd/qcom-pm8xxx.c b/drivers/mfd/qcom-pm8xxx.c
index 07c531bd1..8b6285f68 100644
--- a/drivers/mfd/qcom-pm8xxx.c
+++ b/drivers/mfd/qcom-pm8xxx.c
@@ -585,19 +585,17 @@ static int pm8xxx_remove_child(struct device *dev, void *unused)
 	return 0;
 }
 
-static int pm8xxx_remove(struct platform_device *pdev)
+static void pm8xxx_remove(struct platform_device *pdev)
 {
 	struct pm_irq_chip *chip = platform_get_drvdata(pdev);
 
 	device_for_each_child(&pdev->dev, NULL, pm8xxx_remove_child);
 	irq_domain_remove(chip->irqdomain);
-
-	return 0;
 }
 
 static struct platform_driver pm8xxx_driver = {
 	.probe		= pm8xxx_probe,
-	.remove		= pm8xxx_remove,
+	.remove_new	= pm8xxx_remove,
 	.driver		= {
 		.name	= "pm8xxx-core",
 		.of_match_table = pm8xxx_id_table,
diff --git a/drivers/mfd/qcom-spmi-pmic.c b/drivers/mfd/qcom-spmi-pmic.c
index 4549fa9f7..eab5bf6cf 100644
--- a/drivers/mfd/qcom-spmi-pmic.c
+++ b/drivers/mfd/qcom-spmi-pmic.c
@@ -53,6 +53,7 @@ static const struct of_device_id pmic_spmi_id_table[] = {
 	{ .compatible = "qcom,pm8901", .data = N_USIDS(2) },
 	{ .compatible = "qcom,pm8909", .data = N_USIDS(2) },
 	{ .compatible = "qcom,pm8916", .data = N_USIDS(2) },
+	{ .compatible = "qcom,pm8937", .data = N_USIDS(2) },
 	{ .compatible = "qcom,pm8941", .data = N_USIDS(2) },
 	{ .compatible = "qcom,pm8950", .data = N_USIDS(2) },
 	{ .compatible = "qcom,pm8994", .data = N_USIDS(2) },
diff --git a/drivers/mfd/rave-sp.c b/drivers/mfd/rave-sp.c
index da50eba10..6ff84b260 100644
--- a/drivers/mfd/rave-sp.c
+++ b/drivers/mfd/rave-sp.c
@@ -9,7 +9,7 @@
  */
 
 #include <linux/atomic.h>
-#include <linux/crc-ccitt.h>
+#include <linux/crc-itu-t.h>
 #include <linux/delay.h>
 #include <linux/export.h>
 #include <linux/init.h>
@@ -251,7 +251,7 @@ static void csum_8b2c(const u8 *buf, size_t size, u8 *crc)
 
 static void csum_ccitt(const u8 *buf, size_t size, u8 *crc)
 {
-	const u16 calculated = crc_ccitt_false(0xffff, buf, size);
+	const u16 calculated = crc_itu_t(0xffff, buf, size);
 
 	/*
 	 * While the rest of the wire protocol is little-endian,
@@ -471,17 +471,17 @@ static void rave_sp_receive_frame(struct rave_sp *sp,
 		rave_sp_receive_reply(sp, data, length);
 }
 
-static int rave_sp_receive_buf(struct serdev_device *serdev,
-			       const unsigned char *buf, size_t size)
+static ssize_t rave_sp_receive_buf(struct serdev_device *serdev,
+				   const u8 *buf, size_t size)
 {
 	struct device *dev = &serdev->dev;
 	struct rave_sp *sp = dev_get_drvdata(dev);
 	struct rave_sp_deframer *deframer = &sp->deframer;
-	const unsigned char *src = buf;
-	const unsigned char *end = buf + size;
+	const u8 *src = buf;
+	const u8 *end = buf + size;
 
 	while (src < end) {
-		const unsigned char byte = *src++;
+		const u8 byte = *src++;
 
 		switch (deframer->state) {
 		case RAVE_SP_EXPECT_SOF:
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 28027982c..b3592982a 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1667,7 +1667,7 @@ static void sm501_pci_remove(struct pci_dev *dev)
 	pci_disable_device(dev);
 }
 
-static int sm501_plat_remove(struct platform_device *dev)
+static void sm501_plat_remove(struct platform_device *dev)
 {
 	struct sm501_devdata *sm = platform_get_drvdata(dev);
 
@@ -1675,8 +1675,6 @@ static int sm501_plat_remove(struct platform_device *dev)
 	iounmap(sm->regs);
 
 	release_mem_region(sm->io_res->start, 0x100);
-
-	return 0;
 }
 
 static const struct pci_device_id sm501_pci_tbl[] = {
@@ -1707,7 +1705,7 @@ static struct platform_driver sm501_plat_driver = {
 		.of_match_table = of_sm501_match_tbl,
 	},
 	.probe		= sm501_plat_probe,
-	.remove		= sm501_plat_remove,
+	.remove_new	= sm501_plat_remove,
 	.suspend	= pm_sleep_ptr(sm501_plat_suspend),
 	.resume		= pm_sleep_ptr(sm501_plat_resume),
 };
diff --git a/drivers/mfd/stm32-timers.c b/drivers/mfd/stm32-timers.c
index a656a1c18..9fd13d889 100644
--- a/drivers/mfd/stm32-timers.c
+++ b/drivers/mfd/stm32-timers.c
@@ -306,7 +306,7 @@ static int stm32_timers_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int stm32_timers_remove(struct platform_device *pdev)
+static void stm32_timers_remove(struct platform_device *pdev)
 {
 	struct stm32_timers *ddata = platform_get_drvdata(pdev);
 
@@ -316,8 +316,6 @@ static int stm32_timers_remove(struct platform_device *pdev)
 	 */
 	of_platform_depopulate(&pdev->dev);
 	stm32_timers_dma_remove(&pdev->dev, ddata);
-
-	return 0;
 }
 
 static const struct of_device_id stm32_timers_of_match[] = {
@@ -328,7 +326,7 @@ MODULE_DEVICE_TABLE(of, stm32_timers_of_match);
 
 static struct platform_driver stm32_timers_driver = {
 	.probe = stm32_timers_probe,
-	.remove = stm32_timers_remove,
+	.remove_new = stm32_timers_remove,
 	.driver	= {
 		.name = "stm32-timers",
 		.of_match_table = stm32_timers_of_match,
diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c
index b88eb70c1..4bbd542d7 100644
--- a/drivers/mfd/ti_am335x_tscadc.c
+++ b/drivers/mfd/ti_am335x_tscadc.c
@@ -298,7 +298,7 @@ err_disable_clk:
 	return err;
 }
 
-static int ti_tscadc_remove(struct platform_device *pdev)
+static void ti_tscadc_remove(struct platform_device *pdev)
 {
 	struct ti_tscadc_dev *tscadc = platform_get_drvdata(pdev);
 
@@ -308,8 +308,6 @@ static int ti_tscadc_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 
 	mfd_remove_devices(tscadc->dev);
-
-	return 0;
 }
 
 static int __maybe_unused ti_tscadc_can_wakeup(struct device *dev, void *data)
@@ -381,7 +379,7 @@ static struct platform_driver ti_tscadc_driver = {
 		.of_match_table = ti_tscadc_dt_ids,
 	},
 	.probe	= ti_tscadc_probe,
-	.remove	= ti_tscadc_remove,
+	.remove_new = ti_tscadc_remove,
 
 };
 
diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c
index 152179ee1..fdce81b33 100644
--- a/drivers/mfd/tps65086.c
+++ b/drivers/mfd/tps65086.c
@@ -36,6 +36,7 @@ static const struct regmap_config tps65086_regmap_config = {
 	.val_bits = 8,
 	.cache_type = REGCACHE_MAPLE,
 	.volatile_table = &tps65086_volatile_table,
+	.max_register = TPS65086_OC_STATUS,
 };
 
 static const struct regmap_irq tps65086_irqs[] = {
diff --git a/drivers/mfd/tps65911-comparator.c b/drivers/mfd/tps65911-comparator.c
index 8f4210075..f206a9c50 100644
--- a/drivers/mfd/tps65911-comparator.c
+++ b/drivers/mfd/tps65911-comparator.c
@@ -140,15 +140,13 @@ static int tps65911_comparator_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int tps65911_comparator_remove(struct platform_device *pdev)
+static void tps65911_comparator_remove(struct platform_device *pdev)
 {
 	struct tps65910 *tps65910;
 
 	tps65910 = dev_get_drvdata(pdev->dev.parent);
 	device_remove_file(&pdev->dev, &dev_attr_comp2_threshold);
 	device_remove_file(&pdev->dev, &dev_attr_comp1_threshold);
-
-	return 0;
 }
 
 static struct platform_driver tps65911_comparator_driver = {
@@ -156,7 +154,7 @@ static struct platform_driver tps65911_comparator_driver = {
 		.name = "tps65911-comparator",
 	},
 	.probe = tps65911_comparator_probe,
-	.remove = tps65911_comparator_remove,
+	.remove_new = tps65911_comparator_remove,
 };
 
 static int __init tps65911_comparator_init(void)
diff --git a/drivers/mfd/tps6594-spi.c b/drivers/mfd/tps6594-spi.c
index f4b4f37f9..24b72847e 100644
--- a/drivers/mfd/tps6594-spi.c
+++ b/drivers/mfd/tps6594-spi.c
@@ -98,7 +98,7 @@ static int tps6594_spi_probe(struct spi_device *spi)
 	spi_set_drvdata(spi, tps);
 
 	tps->dev = dev;
-	tps->reg = spi->chip_select;
+	tps->reg = spi_get_chipselect(spi, 0);
 	tps->irq = spi->irq;
 
 	tps->regmap = devm_regmap_init(dev, NULL, spi, &tps6594_spi_regmap_config);
diff --git a/drivers/mfd/twl4030-audio.c b/drivers/mfd/twl4030-audio.c
index 88002f894..d436ddf66 100644
--- a/drivers/mfd/twl4030-audio.c
+++ b/drivers/mfd/twl4030-audio.c
@@ -258,12 +258,10 @@ static int twl4030_audio_probe(struct platform_device *pdev)
 	return ret;
 }
 
-static int twl4030_audio_remove(struct platform_device *pdev)
+static void twl4030_audio_remove(struct platform_device *pdev)
 {
 	mfd_remove_devices(&pdev->dev);
 	twl4030_audio_dev = NULL;
-
-	return 0;
 }
 
 static const struct of_device_id twl4030_audio_of_match[] = {
@@ -278,7 +276,7 @@ static struct platform_driver twl4030_audio_driver = {
 		.of_match_table = twl4030_audio_of_match,
 	},
 	.probe		= twl4030_audio_probe,
-	.remove		= twl4030_audio_remove,
+	.remove_new	= twl4030_audio_remove,
 };
 
 module_platform_driver(twl4030_audio_driver);