17 files changed, 302 insertions, 237 deletions

diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 41c54051347a..3fe7e2a9bd29 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -104,6 +104,16 @@ config PHANTOM
 	  If you choose to build module, its name will be phantom. If unsure,
 	  say N here.
 
+config RPMB
+	tristate "RPMB partition interface"
+	depends on MMC
+	help
+	  Unified RPMB unit interface for RPMB capable devices such as eMMC and
+	  UFS. Provides interface for in-kernel security controllers to access
+	  RPMB unit.
+
+	  If unsure, select N.
+
 config TIFM_CORE
 	tristate "TI Flash Media interface support"
 	depends on PCI
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index c2f990862d2b..a9f94525e181 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_LKDTM)		+= lkdtm/
 obj-$(CONFIG_TIFM_CORE)       	+= tifm_core.o
 obj-$(CONFIG_TIFM_7XX1)       	+= tifm_7xx1.o
 obj-$(CONFIG_PHANTOM)		+= phantom.o
+obj-$(CONFIG_RPMB)		+= rpmb-core.o
 obj-$(CONFIG_QCOM_COINCELL)	+= qcom-coincell.o
 obj-$(CONFIG_QCOM_FASTRPC)	+= fastrpc.o
 obj-$(CONFIG_SENSORS_BH1770)	+= bh1770glc.o
diff --git a/drivers/misc/cxl/of.c b/drivers/misc/cxl/of.c
index bcc005dff1c0..03633cccd043 100644
--- a/drivers/misc/cxl/of.c
+++ b/drivers/misc/cxl/of.c
@@ -7,65 +7,12 @@
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
+#include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
 
 #include "cxl.h"
 
-
-static const __be32 *read_prop_string(const struct device_node *np,
-				const char *prop_name)
-{
-	const __be32 *prop;
-
-	prop = of_get_property(np, prop_name, NULL);
-	if (cxl_verbose && prop)
-		pr_info("%s: %s\n", prop_name, (char *) prop);
-	return prop;
-}
-
-static const __be32 *read_prop_dword(const struct device_node *np,
-				const char *prop_name, u32 *val)
-{
-	const __be32 *prop;
-
-	prop = of_get_property(np, prop_name, NULL);
-	if (prop)
-		*val = be32_to_cpu(prop[0]);
-	if (cxl_verbose && prop)
-		pr_info("%s: %#x (%u)\n", prop_name, *val, *val);
-	return prop;
-}
-
-static const __be64 *read_prop64_dword(const struct device_node *np,
-				const char *prop_name, u64 *val)
-{
-	const __be64 *prop;
-
-	prop = of_get_property(np, prop_name, NULL);
-	if (prop)
-		*val = be64_to_cpu(prop[0]);
-	if (cxl_verbose && prop)
-		pr_info("%s: %#llx (%llu)\n", prop_name, *val, *val);
-	return prop;
-}
-
-
-static int read_handle(struct device_node *np, u64 *handle)
-{
-	const __be32 *prop;
-	u64 size;
-
-	/* Get address and size of the node */
-	prop = of_get_address(np, 0, &size, NULL);
-	if (size)
-		return -EINVAL;
-
-	/* Helper to read a big number; size is in cells (not bytes) */
-	*handle = of_read_number(prop, of_n_addr_cells(np));
-	return 0;
-}
-
 static int read_phys_addr(struct device_node *np, char *prop_name,
 			struct cxl_afu *afu)
 {
@@ -100,9 +47,6 @@ static int read_phys_addr(struct device_node *np, char *prop_name,
 					type, prop_name);
 				return -EINVAL;
 			}
-			if (cxl_verbose)
-				pr_info("%s: %#x %#llx (size %#llx)\n",
-					prop_name, type, addr, size);
 		}
 	}
 	return 0;
@@ -130,36 +74,17 @@ static int read_vpd(struct cxl *adapter, struct cxl_afu *afu)
 
 int cxl_of_read_afu_handle(struct cxl_afu *afu, struct device_node *afu_np)
 {
-	if (read_handle(afu_np, &afu->guest->handle))
-		return -EINVAL;
-	pr_devel("AFU handle: 0x%.16llx\n", afu->guest->handle);
-
-	return 0;
+	return of_property_read_reg(afu_np, 0, &afu->guest->handle, NULL);
 }
 
 int cxl_of_read_afu_properties(struct cxl_afu *afu, struct device_node *np)
 {
-	int i, len, rc;
-	char *p;
-	const __be32 *prop;
+	int i, rc;
 	u16 device_id, vendor_id;
 	u32 val = 0, class_code;
 
 	/* Properties are read in the same order as listed in PAPR */
 
-	if (cxl_verbose) {
-		pr_info("Dump of the 'ibm,coherent-platform-function' node properties:\n");
-
-		prop = of_get_property(np, "compatible", &len);
-		i = 0;
-		while (i < len) {
-			p = (char *) prop + i;
-			pr_info("compatible: %s\n", p);
-			i += strlen(p) + 1;
-		}
-		read_prop_string(np, "name");
-	}
-
 	rc = read_phys_addr(np, "reg", afu);
 	if (rc)
 		return rc;
@@ -173,25 +98,15 @@ int cxl_of_read_afu_properties(struct cxl_afu *afu, struct device_node *np)
 	else
 		afu->psa = true;
 
-	if (cxl_verbose) {
-		read_prop_string(np, "ibm,loc-code");
-		read_prop_string(np, "device_type");
-	}
+	of_property_read_u32(np, "ibm,#processes", &afu->max_procs_virtualised);
 
-	read_prop_dword(np, "ibm,#processes", &afu->max_procs_virtualised);
-
-	if (cxl_verbose) {
-		read_prop_dword(np, "ibm,scratchpad-size", &val);
-		read_prop_dword(np, "ibm,programmable", &val);
-		read_prop_string(np, "ibm,phandle");
+	if (cxl_verbose)
 		read_vpd(NULL, afu);
-	}
 
-	read_prop_dword(np, "ibm,max-ints-per-process", &afu->guest->max_ints);
+	of_property_read_u32(np, "ibm,max-ints-per-process", &afu->guest->max_ints);
 	afu->irqs_max = afu->guest->max_ints;
 
-	prop = read_prop_dword(np, "ibm,min-ints-per-process", &afu->pp_irqs);
-	if (prop) {
+	if (!of_property_read_u32(np, "ibm,min-ints-per-process", &afu->pp_irqs)) {
 		/* One extra interrupt for the PSL interrupt is already
 		 * included. Remove it now to keep only AFU interrupts and
 		 * match the native case.
@@ -199,21 +114,13 @@ int cxl_of_read_afu_properties(struct cxl_afu *afu, struct device_node *np)
 		afu->pp_irqs--;
 	}
 
-	if (cxl_verbose) {
-		read_prop_dword(np, "ibm,max-ints", &val);
-		read_prop_dword(np, "ibm,vpd-size", &val);
-	}
-
-	read_prop64_dword(np, "ibm,error-buffer-size", &afu->eb_len);
+	of_property_read_u64(np, "ibm,error-buffer-size", &afu->eb_len);
 	afu->eb_offset = 0;
 
-	if (cxl_verbose)
-		read_prop_dword(np, "ibm,config-record-type", &val);
-
-	read_prop64_dword(np, "ibm,config-record-size", &afu->crs_len);
+	of_property_read_u64(np, "ibm,config-record-size", &afu->crs_len);
 	afu->crs_offset = 0;
 
-	read_prop_dword(np, "ibm,#config-records", &afu->crs_num);
+	of_property_read_u32(np, "ibm,#config-records", &afu->crs_num);
 
 	if (cxl_verbose) {
 		for (i = 0; i < afu->crs_num; i++) {
@@ -235,35 +142,18 @@ int cxl_of_read_afu_properties(struct cxl_afu *afu, struct device_node *np)
 					i, class_code);
 			}
 		}
-
-		read_prop_dword(np, "ibm,function-number", &val);
-		read_prop_dword(np, "ibm,privileged-function", &val);
-		read_prop_dword(np, "vendor-id", &val);
-		read_prop_dword(np, "device-id", &val);
-		read_prop_dword(np, "revision-id", &val);
-		read_prop_dword(np, "class-code", &val);
-		read_prop_dword(np, "subsystem-vendor-id", &val);
-		read_prop_dword(np, "subsystem-id", &val);
 	}
 	/*
 	 * if "ibm,process-mmio" doesn't exist then per-process mmio is
 	 * not supported
 	 */
 	val = 0;
-	prop = read_prop_dword(np, "ibm,process-mmio", &val);
-	if (prop && val == 1)
+	if (!of_property_read_u32(np, "ibm,process-mmio", &val) && val == 1)
 		afu->pp_psa = true;
 	else
 		afu->pp_psa = false;
 
-	if (cxl_verbose) {
-		read_prop_dword(np, "ibm,supports-aur", &val);
-		read_prop_dword(np, "ibm,supports-csrp", &val);
-		read_prop_dword(np, "ibm,supports-prr", &val);
-	}
-
-	prop = read_prop_dword(np, "ibm,function-error-interrupt", &val);
-	if (prop)
+	if (!of_property_read_u32(np, "ibm,function-error-interrupt", &val))
 		afu->serr_hwirq = val;
 
 	pr_devel("AFU handle: %#llx\n", afu->guest->handle);
@@ -334,95 +224,44 @@ err:
 
 int cxl_of_read_adapter_handle(struct cxl *adapter, struct device_node *np)
 {
-	if (read_handle(np, &adapter->guest->handle))
-		return -EINVAL;
-	pr_devel("Adapter handle: 0x%.16llx\n", adapter->guest->handle);
-
-	return 0;
+	return of_property_read_reg(np, 0, &adapter->guest->handle, NULL);
 }
 
 int cxl_of_read_adapter_properties(struct cxl *adapter, struct device_node *np)
 {
-	int rc, len, naddr, i;
-	char *p;
-	const __be32 *prop;
+	int rc;
+	const char *p;
 	u32 val = 0;
 
 	/* Properties are read in the same order as listed in PAPR */
 
-	naddr = of_n_addr_cells(np);
-
-	if (cxl_verbose) {
-		pr_info("Dump of the 'ibm,coherent-platform-facility' node properties:\n");
-
-		read_prop_dword(np, "#address-cells", &val);
-		read_prop_dword(np, "#size-cells", &val);
-
-		prop = of_get_property(np, "compatible", &len);
-		i = 0;
-		while (i < len) {
-			p = (char *) prop + i;
-			pr_info("compatible: %s\n", p);
-			i += strlen(p) + 1;
-		}
-		read_prop_string(np, "name");
-		read_prop_string(np, "model");
-
-		prop = of_get_property(np, "reg", NULL);
-		if (prop) {
-			pr_info("reg: addr:%#llx size:%#x\n",
-				of_read_number(prop, naddr),
-				be32_to_cpu(prop[naddr]));
-		}
-
-		read_prop_string(np, "ibm,loc-code");
-	}
-
 	if ((rc = read_adapter_irq_config(adapter, np)))
 		return rc;
 
-	if (cxl_verbose) {
-		read_prop_string(np, "device_type");
-		read_prop_string(np, "ibm,phandle");
-	}
-
-	prop = read_prop_dword(np, "ibm,caia-version", &val);
-	if (prop) {
+	if (!of_property_read_u32(np, "ibm,caia-version", &val)) {
 		adapter->caia_major = (val & 0xFF00) >> 8;
 		adapter->caia_minor = val & 0xFF;
 	}
 
-	prop = read_prop_dword(np, "ibm,psl-revision", &val);
-	if (prop)
+	if (!of_property_read_u32(np, "ibm,psl-revision", &val))
 		adapter->psl_rev = val;
 
-	prop = read_prop_string(np, "status");
-	if (prop) {
-		adapter->guest->status = kasprintf(GFP_KERNEL, "%s", (char *) prop);
+	if (!of_property_read_string(np, "status", &p)) {
+		adapter->guest->status = kasprintf(GFP_KERNEL, "%s", p);
 		if (adapter->guest->status == NULL)
 			return -ENOMEM;
 	}
 
-	prop = read_prop_dword(np, "vendor-id", &val);
-	if (prop)
+	if (!of_property_read_u32(np, "vendor-id", &val))
 		adapter->guest->vendor = val;
 
-	prop = read_prop_dword(np, "device-id", &val);
-	if (prop)
+	if (!of_property_read_u32(np, "device-id", &val))
 		adapter->guest->device = val;
 
-	if (cxl_verbose) {
-		read_prop_dword(np, "ibm,privileged-facility", &val);
-		read_prop_dword(np, "revision-id", &val);
-		read_prop_dword(np, "class-code", &val);
-	}
-
-	prop = read_prop_dword(np, "subsystem-vendor-id", &val);
-	if (prop)
+	if (!of_property_read_u32(np, "subsystem-vendor-id", &val))
 		adapter->guest->subsystem_vendor = val;
 
-	prop = read_prop_dword(np, "subsystem-id", &val);
-	if (prop)
+	if (!of_property_read_u32(np, "subsystem-id", &val))
 		adapter->guest->subsystem = val;
 
 	if (cxl_verbose)
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 4cf9e7c42a24..3d52f9b92d0d 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -363,17 +363,17 @@ int cxl_calc_capp_routing(struct pci_dev *dev, u64 *chipid,
 {
 	int rc;
 	struct device_node *np;
-	const __be32 *prop;
+	u32 id;
 
 	if (!(np = pnv_pci_get_phb_node(dev)))
 		return -ENODEV;
 
-	while (np && !(prop = of_get_property(np, "ibm,chip-id", NULL)))
+	while (np && of_property_read_u32(np, "ibm,chip-id", &id))
 		np = of_get_next_parent(np);
 	if (!np)
 		return -ENODEV;
 
-	*chipid = be32_to_cpup(prop);
+	*chipid = id;
 
 	rc = get_phb_index(np, phb_index);
 	if (rc) {
@@ -398,32 +398,26 @@ static DEFINE_MUTEX(indications_mutex);
 static int get_phb_indications(struct pci_dev *dev, u64 *capiind, u64 *asnind,
 			       u64 *nbwind)
 {
-	static u64 nbw, asn, capi = 0;
+	static u32 val[3];
 	struct device_node *np;
-	const __be32 *prop;
 
 	mutex_lock(&indications_mutex);
-	if (!capi) {
+	if (!val[0]) {
 		if (!(np = pnv_pci_get_phb_node(dev))) {
 			mutex_unlock(&indications_mutex);
 			return -ENODEV;
 		}
 
-		prop = of_get_property(np, "ibm,phb-indications", NULL);
-		if (!prop) {
-			nbw = 0x0300UL; /* legacy values */
-			asn = 0x0400UL;
-			capi = 0x0200UL;
-		} else {
-			nbw = (u64)be32_to_cpu(prop[2]);
-			asn = (u64)be32_to_cpu(prop[1]);
-			capi = (u64)be32_to_cpu(prop[0]);
+		if (of_property_read_u32_array(np, "ibm,phb-indications", val, 3)) {
+			val[2] = 0x0300UL; /* legacy values */
+			val[1] = 0x0400UL;
+			val[0] = 0x0200UL;
 		}
 		of_node_put(np);
 	}
-	*capiind = capi;
-	*asnind = asn;
-	*nbwind = nbw;
+	*capiind = val[0];
+	*asnind = val[1];
+	*nbwind = val[2];
 	mutex_unlock(&indications_mutex);
 	return 0;
 }
@@ -605,7 +599,7 @@ static void cxl_setup_psl_timebase(struct cxl *adapter, struct pci_dev *dev)
 
 	/* Do not fail when CAPP timebase sync is not supported by OPAL */
 	of_node_get(np);
-	if (! of_get_property(np, "ibm,capp-timebase-sync", NULL)) {
+	if (!of_property_present(np, "ibm,capp-timebase-sync")) {
 		of_node_put(np);
 		dev_info(&dev->dev, "PSL timebase inactive: OPAL support missing\n");
 		return;
diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
index 315c43f17dd3..409bd1c39663 100644
--- a/drivers/misc/cxl/sysfs.c
+++ b/drivers/misc/cxl/sysfs.c
@@ -579,7 +579,7 @@ static void release_afu_config_record(struct kobject *kobj)
 	kfree(cr);
 }
 
-static struct kobj_type afu_config_record_type = {
+static const struct kobj_type afu_config_record_type = {
 	.sysfs_ops = &kobj_sysfs_ops,
 	.release = release_afu_config_record,
 	.default_groups = afu_cr_groups,
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 339d126414d4..74181b8c386b 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -27,7 +27,8 @@
 #define MDSP_DOMAIN_ID (1)
 #define SDSP_DOMAIN_ID (2)
 #define CDSP_DOMAIN_ID (3)
-#define FASTRPC_DEV_MAX		4 /* adsp, mdsp, slpi, cdsp*/
+#define CDSP1_DOMAIN_ID (4)
+#define FASTRPC_DEV_MAX		5 /* adsp, mdsp, slpi, cdsp, cdsp1 */
 #define FASTRPC_MAX_SESSIONS	14
 #define FASTRPC_MAX_VMIDS	16
 #define FASTRPC_ALIGN		128
@@ -106,7 +107,7 @@
 #define miscdev_to_fdevice(d) container_of(d, struct fastrpc_device, miscdev)
 
 static const char *domains[FASTRPC_DEV_MAX] = { "adsp", "mdsp",
-						"sdsp", "cdsp"};
+						"sdsp", "cdsp", "cdsp1" };
 struct fastrpc_phy_page {
 	u64 addr;		/* physical address */
 	u64 size;		/* size of contiguous region */
@@ -1910,7 +1911,8 @@ static int fastrpc_req_mmap(struct fastrpc_user *fl, char __user *argp)
 				      &args[0]);
 	if (err) {
 		dev_err(dev, "mmap error (len 0x%08llx)\n", buf->size);
-		goto err_invoke;
+		fastrpc_buf_free(buf);
+		return err;
 	}
 
 	/* update the buffer to be able to deallocate the memory on the DSP */
@@ -1948,8 +1950,6 @@ static int fastrpc_req_mmap(struct fastrpc_user *fl, char __user *argp)
 
 err_assign:
 	fastrpc_req_munmap_impl(fl, buf);
-err_invoke:
-	fastrpc_buf_free(buf);
 
 	return err;
 }
@@ -2270,7 +2270,7 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 		return err;
 	}
 
-	for (i = 0; i <= CDSP_DOMAIN_ID; i++) {
+	for (i = 0; i < FASTRPC_DEV_MAX; i++) {
 		if (!strcmp(domains[i], domain)) {
 			domain_id = i;
 			break;
@@ -2328,13 +2328,14 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 	case ADSP_DOMAIN_ID:
 	case MDSP_DOMAIN_ID:
 	case SDSP_DOMAIN_ID:
-		/* Unsigned PD offloading is only supported on CDSP*/
+		/* Unsigned PD offloading is only supported on CDSP and CDSP1 */
 		data->unsigned_support = false;
 		err = fastrpc_device_register(rdev, data, secure_dsp, domains[domain_id]);
 		if (err)
 			goto fdev_error;
 		break;
 	case CDSP_DOMAIN_ID:
+	case CDSP1_DOMAIN_ID:
 		data->unsigned_support = true;
 		/* Create both device nodes so that we can allow both Signed and Unsigned PD */
 		err = fastrpc_device_register(rdev, data, true, domains[domain_id]);
diff --git a/drivers/misc/keba/cp500.c b/drivers/misc/keba/cp500.c
index 9ba46f0f9392..ae0922817881 100644
--- a/drivers/misc/keba/cp500.c
+++ b/drivers/misc/keba/cp500.c
@@ -212,12 +212,12 @@ static ssize_t keep_cfg_store(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR_RW(keep_cfg);
 
-static struct attribute *attrs[] = {
+static struct attribute *cp500_attrs[] = {
 	&dev_attr_version.attr,
 	&dev_attr_keep_cfg.attr,
 	NULL
 };
-static const struct attribute_group attrs_group = { .attrs = attrs };
+ATTRIBUTE_GROUPS(cp500);
 
 static void cp500_i2c_release(struct device *dev)
 {
@@ -396,20 +396,15 @@ static int cp500_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
 
 	pci_set_drvdata(pci_dev, cp500);
 
-	ret = sysfs_create_group(&pci_dev->dev.kobj, &attrs_group);
-	if (ret != 0)
-		goto out_free_irq;
 
 	ret = cp500_enable(cp500);
 	if (ret != 0)
-		goto out_remove_group;
+		goto out_free_irq;
 
 	cp500_register_auxiliary_devs(cp500);
 
 	return 0;
 
-out_remove_group:
-	sysfs_remove_group(&pci_dev->dev.kobj, &attrs_group);
 out_free_irq:
 	pci_free_irq_vectors(pci_dev);
 out_disable:
@@ -427,8 +422,6 @@ static void cp500_remove(struct pci_dev *pci_dev)
 
 	cp500_disable(cp500);
 
-	sysfs_remove_group(&pci_dev->dev.kobj, &attrs_group);
-
 	pci_set_drvdata(pci_dev, 0);
 
 	pci_free_irq_vectors(pci_dev);
@@ -450,6 +443,7 @@ static struct pci_driver cp500_driver = {
 	.id_table = cp500_ids,
 	.probe = cp500_probe,
 	.remove = cp500_remove,
+	.dev_groups = cp500_groups,
 };
 module_pci_driver(cp500_driver);
 
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index 88b91ad8e541..0cf31164b470 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -95,6 +95,7 @@
 #include <linux/kallsyms.h>
 
 #include <asm/sections.h>
+#include <asm/rwonce.h>
 
 #define v1printk(a...) do {		\
 	if (verbose)			\
@@ -126,7 +127,6 @@ static int final_ack;
 static int force_hwbrks;
 static int hwbreaks_ok;
 static int hw_break_val;
-static int hw_break_val2;
 static int cont_instead_of_sstep;
 static unsigned long cont_thread_id;
 static unsigned long sstep_thread_id;
@@ -284,7 +284,7 @@ static void hw_rem_access_break(char *arg)
 
 static void hw_break_val_access(void)
 {
-	hw_break_val2 = hw_break_val;
+	READ_ONCE(hw_break_val);
 }
 
 static void hw_break_val_write(void)
diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
index 49868a45c0ad..4233dc4cc7d6 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d.c
@@ -669,7 +669,6 @@ static int lis3lv02d_misc_fasync(int fd, struct file *file, int on)
 
 static const struct file_operations lis3lv02d_misc_fops = {
 	.owner   = THIS_MODULE,
-	.llseek  = no_llseek,
 	.read    = lis3lv02d_misc_read,
 	.open    = lis3lv02d_misc_open,
 	.release = lis3lv02d_misc_release,
@@ -1038,7 +1037,7 @@ int lis3lv02d_init_dt(struct lis3lv02d *lis3)
 		pdata->wakeup_flags |= LIS3_WAKEUP_Z_LO;
 	if (of_property_read_bool(np, "st,wakeup-z-hi"))
 		pdata->wakeup_flags |= LIS3_WAKEUP_Z_HI;
-	if (of_get_property(np, "st,wakeup-threshold", &val))
+	if (!of_property_read_u32(np, "st,wakeup-threshold", &val))
 		pdata->wakeup_thresh = val;
 
 	if (of_property_read_bool(np, "st,wakeup2-x-lo"))
@@ -1053,7 +1052,7 @@ int lis3lv02d_init_dt(struct lis3lv02d *lis3)
 		pdata->wakeup_flags2 |= LIS3_WAKEUP_Z_LO;
 	if (of_property_read_bool(np, "st,wakeup2-z-hi"))
 		pdata->wakeup_flags2 |= LIS3_WAKEUP_Z_HI;
-	if (of_get_property(np, "st,wakeup2-threshold", &val))
+	if (!of_property_read_u32(np, "st,wakeup2-threshold", &val))
 		pdata->wakeup_thresh2 = val;
 
 	if (!of_property_read_u32(np, "st,highpass-cutoff-hz", &val)) {
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 40c3fe26f76d..1f5aaf16e300 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -1176,7 +1176,6 @@ static const struct file_operations mei_fops = {
 	.poll = mei_poll,
 	.fsync = mei_fsync,
 	.fasync = mei_fasync,
-	.llseek = no_llseek
 };
 
 /**
diff --git a/drivers/misc/ntsync.c b/drivers/misc/ntsync.c
index 3c2f743c58b0..4954553b7baa 100644
--- a/drivers/misc/ntsync.c
+++ b/drivers/misc/ntsync.c
@@ -126,7 +126,6 @@ static const struct file_operations ntsync_obj_fops = {
 	.release	= ntsync_obj_release,
 	.unlocked_ioctl	= ntsync_obj_ioctl,
 	.compat_ioctl	= compat_ptr_ioctl,
-	.llseek		= no_llseek,
 };
 
 static struct ntsync_obj *ntsync_alloc_obj(struct ntsync_device *dev,
@@ -233,7 +232,6 @@ static const struct file_operations ntsync_fops = {
 	.release	= ntsync_char_release,
 	.unlocked_ioctl	= ntsync_char_ioctl,
 	.compat_ioctl	= compat_ptr_ioctl,
-	.llseek		= no_llseek,
 };
 
 static struct miscdevice ntsync_misc = {
diff --git a/drivers/misc/ocxl/ocxl_internal.h b/drivers/misc/ocxl/ocxl_internal.h
index 10125a22d5a5..d2028d6c6f08 100644
--- a/drivers/misc/ocxl/ocxl_internal.h
+++ b/drivers/misc/ocxl/ocxl_internal.h
@@ -97,8 +97,6 @@ struct ocxl_process_element {
 	__be32 software_state;
 };
 
-int ocxl_create_cdev(struct ocxl_afu *afu);
-void ocxl_destroy_cdev(struct ocxl_afu *afu);
 int ocxl_file_register_afu(struct ocxl_afu *afu);
 void ocxl_file_unregister_afu(struct ocxl_afu *afu);
 
diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c
index 30bd7c39c261..701db2c5859b 100644
--- a/drivers/misc/phantom.c
+++ b/drivers/misc/phantom.c
@@ -279,7 +279,6 @@ static const struct file_operations phantom_file_ops = {
 	.unlocked_ioctl = phantom_ioctl,
 	.compat_ioctl = phantom_compat_ioctl,
 	.poll = phantom_poll,
-	.llseek = no_llseek,
 };
 
 static irqreturn_t phantom_isr(int irq, void *data)
diff --git a/drivers/misc/rpmb-core.c b/drivers/misc/rpmb-core.c
new file mode 100644
index 000000000000..bc68cde1a8bf
--- /dev/null
+++ b/drivers/misc/rpmb-core.c
@@ -0,0 +1,231 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright(c) 2015 - 2019 Intel Corporation. All rights reserved.
+ * Copyright(c) 2021 - 2024 Linaro Ltd.
+ */
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/rpmb.h>
+#include <linux/slab.h>
+
+static DEFINE_IDA(rpmb_ida);
+static DEFINE_MUTEX(rpmb_mutex);
+
+/**
+ * rpmb_dev_get() - increase rpmb device ref counter
+ * @rdev: rpmb device
+ */
+struct rpmb_dev *rpmb_dev_get(struct rpmb_dev *rdev)
+{
+	if (rdev)
+		get_device(&rdev->dev);
+	return rdev;
+}
+EXPORT_SYMBOL_GPL(rpmb_dev_get);
+
+/**
+ * rpmb_dev_put() - decrease rpmb device ref counter
+ * @rdev: rpmb device
+ */
+void rpmb_dev_put(struct rpmb_dev *rdev)
+{
+	if (rdev)
+		put_device(&rdev->dev);
+}
+EXPORT_SYMBOL_GPL(rpmb_dev_put);
+
+/**
+ * rpmb_route_frames() - route rpmb frames to rpmb device
+ * @rdev:	rpmb device
+ * @req:	rpmb request frames
+ * @req_len:	length of rpmb request frames in bytes
+ * @rsp:	rpmb response frames
+ * @rsp_len:	length of rpmb response frames in bytes
+ *
+ * Returns: < 0 on failure
+ */
+int rpmb_route_frames(struct rpmb_dev *rdev, u8 *req,
+		      unsigned int req_len, u8 *rsp, unsigned int rsp_len)
+{
+	if (!req || !req_len || !rsp || !rsp_len)
+		return -EINVAL;
+
+	return rdev->descr.route_frames(rdev->dev.parent, req, req_len,
+					rsp, rsp_len);
+}
+EXPORT_SYMBOL_GPL(rpmb_route_frames);
+
+static void rpmb_dev_release(struct device *dev)
+{
+	struct rpmb_dev *rdev = to_rpmb_dev(dev);
+
+	mutex_lock(&rpmb_mutex);
+	ida_simple_remove(&rpmb_ida, rdev->id);
+	mutex_unlock(&rpmb_mutex);
+	kfree(rdev->descr.dev_id);
+	kfree(rdev);
+}
+
+static struct class rpmb_class = {
+	.name = "rpmb",
+	.dev_release = rpmb_dev_release,
+};
+
+/**
+ * rpmb_dev_find_device() - return first matching rpmb device
+ * @start: rpmb device to begin with
+ * @data: data for the match function
+ * @match: the matching function
+ *
+ * Iterate over registered RPMB devices, and call @match() for each passing
+ * it the RPMB device and @data.
+ *
+ * The return value of @match() is checked for each call. If it returns
+ * anything other 0, break and return the found RPMB device.
+ *
+ * It's the callers responsibility to call rpmb_dev_put() on the returned
+ * device, when it's done with it.
+ *
+ * Returns: a matching rpmb device or NULL on failure
+ */
+struct rpmb_dev *rpmb_dev_find_device(const void *data,
+				      const struct rpmb_dev *start,
+				      int (*match)(struct device *dev,
+						   const void *data))
+{
+	struct device *dev;
+	const struct device *start_dev = NULL;
+
+	if (start)
+		start_dev = &start->dev;
+	dev = class_find_device(&rpmb_class, start_dev, data, match);
+
+	return dev ? to_rpmb_dev(dev) : NULL;
+}
+EXPORT_SYMBOL_GPL(rpmb_dev_find_device);
+
+int rpmb_interface_register(struct class_interface *intf)
+{
+	intf->class = &rpmb_class;
+
+	return class_interface_register(intf);
+}
+EXPORT_SYMBOL_GPL(rpmb_interface_register);
+
+void rpmb_interface_unregister(struct class_interface *intf)
+{
+	class_interface_unregister(intf);
+}
+EXPORT_SYMBOL_GPL(rpmb_interface_unregister);
+
+/**
+ * rpmb_dev_unregister() - unregister RPMB partition from the RPMB subsystem
+ * @rdev: the rpmb device to unregister
+ *
+ * This function should be called from the release function of the
+ * underlying device used when the RPMB device was registered.
+ *
+ * Returns: < 0 on failure
+ */
+int rpmb_dev_unregister(struct rpmb_dev *rdev)
+{
+	if (!rdev)
+		return -EINVAL;
+
+	device_del(&rdev->dev);
+
+	rpmb_dev_put(rdev);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(rpmb_dev_unregister);
+
+/**
+ * rpmb_dev_register - register RPMB partition with the RPMB subsystem
+ * @dev: storage device of the rpmb device
+ * @descr: RPMB device description
+ *
+ * While registering the RPMB partition extract needed device information
+ * while needed resources are available.
+ *
+ * Returns: a pointer to a 'struct rpmb_dev' or an ERR_PTR on failure
+ */
+struct rpmb_dev *rpmb_dev_register(struct device *dev,
+				   struct rpmb_descr *descr)
+{
+	struct rpmb_dev *rdev;
+	int ret;
+
+	if (!dev || !descr || !descr->route_frames || !descr->dev_id ||
+	    !descr->dev_id_len)
+		return ERR_PTR(-EINVAL);
+
+	rdev = kzalloc(sizeof(*rdev), GFP_KERNEL);
+	if (!rdev)
+		return ERR_PTR(-ENOMEM);
+	rdev->descr = *descr;
+	rdev->descr.dev_id = kmemdup(descr->dev_id, descr->dev_id_len,
+				     GFP_KERNEL);
+	if (!rdev->descr.dev_id) {
+		ret = -ENOMEM;
+		goto err_free_rdev;
+	}
+
+	mutex_lock(&rpmb_mutex);
+	ret = ida_simple_get(&rpmb_ida, 0, 0, GFP_KERNEL);
+	mutex_unlock(&rpmb_mutex);
+	if (ret < 0)
+		goto err_free_dev_id;
+	rdev->id = ret;
+
+	dev_set_name(&rdev->dev, "rpmb%d", rdev->id);
+	rdev->dev.class = &rpmb_class;
+	rdev->dev.parent = dev;
+
+	ret = device_register(&rdev->dev);
+	if (ret) {
+		put_device(&rdev->dev);
+		return ERR_PTR(ret);
+	}
+
+	dev_dbg(&rdev->dev, "registered device\n");
+
+	return rdev;
+
+err_free_dev_id:
+	kfree(rdev->descr.dev_id);
+err_free_rdev:
+	kfree(rdev);
+	return ERR_PTR(ret);
+}
+EXPORT_SYMBOL_GPL(rpmb_dev_register);
+
+static int __init rpmb_init(void)
+{
+	int ret;
+
+	ret = class_register(&rpmb_class);
+	if (ret) {
+		pr_err("couldn't create class\n");
+		return ret;
+	}
+	ida_init(&rpmb_ida);
+	return 0;
+}
+
+static void __exit rpmb_exit(void)
+{
+	ida_destroy(&rpmb_ida);
+	class_unregister(&rpmb_class);
+}
+
+subsys_initcall(rpmb_init);
+module_exit(rpmb_exit);
+
+MODULE_AUTHOR("Jens Wiklander <[email protected]>");
+MODULE_DESCRIPTION("RPMB class");
+MODULE_LICENSE("GPL");
diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c
index 2ad4387c9837..1a7796ab3fad 100644
--- a/drivers/misc/tsl2550.c
+++ b/drivers/misc/tsl2550.c
@@ -185,10 +185,10 @@ static ssize_t tsl2550_store_power_state(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct tsl2550_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
 	int ret;
 
-	if (val > 1)
+	if (kstrtoul(buf, 10, &val) || val > 1)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
@@ -217,10 +217,10 @@ static ssize_t tsl2550_store_operating_mode(struct device *dev,
 {
 	struct i2c_client *client = to_i2c_client(dev);
 	struct tsl2550_data *data = i2c_get_clientdata(client);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
 	int ret;
 
-	if (val > 1)
+	if (kstrtoul(buf, 10, &val) || val > 1)
 		return -EINVAL;
 
 	if (data->power_state == 0)
diff --git a/drivers/misc/vmw_vmci/vmci_resource.c b/drivers/misc/vmw_vmci/vmci_resource.c
index 692daa9eff34..19c9d2cdd277 100644
--- a/drivers/misc/vmw_vmci/vmci_resource.c
+++ b/drivers/misc/vmw_vmci/vmci_resource.c
@@ -144,7 +144,8 @@ void vmci_resource_remove(struct vmci_resource *resource)
 	spin_lock(&vmci_resource_table.lock);
 
 	hlist_for_each_entry(r, &vmci_resource_table.entries[idx], node) {
-		if (vmci_handle_is_equal(r->handle, resource->handle)) {
+		if (vmci_handle_is_equal(r->handle, resource->handle) &&
+		    resource->type == r->type) {
 			hlist_del_init_rcu(&r->node);
 			break;
 		}
diff --git a/drivers/misc/xilinx_tmr_inject.c b/drivers/misc/xilinx_tmr_inject.c
index 73c6da7d0963..734fdfac19ef 100644
--- a/drivers/misc/xilinx_tmr_inject.c
+++ b/drivers/misc/xilinx_tmr_inject.c
@@ -12,6 +12,7 @@
 #include <asm/xilinx_mb_manager.h>
 #include <linux/module.h>
 #include <linux/of.h>
+#include <linux/debugfs.h>
 #include <linux/platform_device.h>
 #include <linux/fault-inject.h>