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-rw-r--r--drivers/base/Makefile2
-rw-r--r--drivers/base/arch_numa.c92
-rw-r--r--drivers/base/arch_topology.c20
-rw-r--r--drivers/base/component.c6
-rw-r--r--drivers/base/core.c20
-rw-r--r--drivers/base/firmware_loader/builtin/Makefile6
-rw-r--r--drivers/base/firmware_loader/builtin/main.c106
-rw-r--r--drivers/base/firmware_loader/firmware.h17
-rw-r--r--drivers/base/firmware_loader/main.c65
-rw-r--r--drivers/base/node.c9
-rw-r--r--drivers/base/platform.c3
-rw-r--r--drivers/base/power/main.c99
-rw-r--r--drivers/base/power/power.h7
-rw-r--r--drivers/base/power/runtime.c6
-rw-r--r--drivers/base/power/wakeirq.c101
-rw-r--r--drivers/base/property.c63
-rw-r--r--drivers/base/regmap/regcache-rbtree.c7
-rw-r--r--drivers/base/regmap/regmap-mdio.c6
-rw-r--r--drivers/base/regmap/regmap-spi.c36
-rw-r--r--drivers/base/swnode.c6
-rw-r--r--drivers/base/test/Makefile2
-rw-r--r--drivers/base/topology.c10
22 files changed, 448 insertions, 241 deletions
diff --git a/drivers/base/Makefile b/drivers/base/Makefile
index ef8e44a7d288..02f7f1358e86 100644
--- a/drivers/base/Makefile
+++ b/drivers/base/Makefile
@@ -13,7 +13,7 @@ obj-y += power/
obj-$(CONFIG_ISA_BUS_API) += isa.o
obj-y += firmware_loader/
obj-$(CONFIG_NUMA) += node.o
-obj-$(CONFIG_MEMORY_HOTPLUG_SPARSE) += memory.o
+obj-$(CONFIG_MEMORY_HOTPLUG) += memory.o
ifeq ($(CONFIG_SYSFS),y)
obj-$(CONFIG_MODULES) += module.o
endif
diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c
index 00fb4120a5b3..bc1876915457 100644
--- a/drivers/base/arch_numa.c
+++ b/drivers/base/arch_numa.c
@@ -14,6 +14,7 @@
#include <linux/of.h>
#include <asm/sections.h>
+#include <asm/pgalloc.h>
struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
@@ -165,25 +166,86 @@ static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size,
static void __init pcpu_fc_free(void *ptr, size_t size)
{
- memblock_free_early(__pa(ptr), size);
+ memblock_free(ptr, size);
}
+#ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK
+static void __init pcpu_populate_pte(unsigned long addr)
+{
+ pgd_t *pgd = pgd_offset_k(addr);
+ p4d_t *p4d;
+ pud_t *pud;
+ pmd_t *pmd;
+
+ p4d = p4d_offset(pgd, addr);
+ if (p4d_none(*p4d)) {
+ pud_t *new;
+
+ new = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!new)
+ goto err_alloc;
+ p4d_populate(&init_mm, p4d, new);
+ }
+
+ pud = pud_offset(p4d, addr);
+ if (pud_none(*pud)) {
+ pmd_t *new;
+
+ new = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!new)
+ goto err_alloc;
+ pud_populate(&init_mm, pud, new);
+ }
+
+ pmd = pmd_offset(pud, addr);
+ if (!pmd_present(*pmd)) {
+ pte_t *new;
+
+ new = memblock_alloc(PAGE_SIZE, PAGE_SIZE);
+ if (!new)
+ goto err_alloc;
+ pmd_populate_kernel(&init_mm, pmd, new);
+ }
+
+ return;
+
+err_alloc:
+ panic("%s: Failed to allocate %lu bytes align=%lx from=%lx\n",
+ __func__, PAGE_SIZE, PAGE_SIZE, PAGE_SIZE);
+}
+#endif
+
void __init setup_per_cpu_areas(void)
{
unsigned long delta;
unsigned int cpu;
- int rc;
+ int rc = -EINVAL;
+
+ if (pcpu_chosen_fc != PCPU_FC_PAGE) {
+ /*
+ * Always reserve area for module percpu variables. That's
+ * what the legacy allocator did.
+ */
+ rc = pcpu_embed_first_chunk(PERCPU_MODULE_RESERVE,
+ PERCPU_DYNAMIC_RESERVE, PAGE_SIZE,
+ pcpu_cpu_distance,
+ pcpu_fc_alloc, pcpu_fc_free);
+#ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK
+ if (rc < 0)
+ pr_warn("PERCPU: %s allocator failed (%d), falling back to page size\n",
+ pcpu_fc_names[pcpu_chosen_fc], rc);
+#endif
+ }
- /*
- * Always reserve area for module percpu variables. That's
- * what the legacy allocator did.
- */
- rc = pcpu_embed_first_chunk(PERCPU_MODULE_RESERVE,
- PERCPU_DYNAMIC_RESERVE, PAGE_SIZE,
- pcpu_cpu_distance,
- pcpu_fc_alloc, pcpu_fc_free);
+#ifdef CONFIG_NEED_PER_CPU_PAGE_FIRST_CHUNK
+ if (rc < 0)
+ rc = pcpu_page_first_chunk(PERCPU_MODULE_RESERVE,
+ pcpu_fc_alloc,
+ pcpu_fc_free,
+ pcpu_populate_pte);
+#endif
if (rc < 0)
- panic("Failed to initialize percpu areas.");
+ panic("Failed to initialize percpu areas (err=%d).", rc);
delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start;
for_each_possible_cpu(cpu)
@@ -264,7 +326,7 @@ void __init numa_free_distance(void)
size = numa_distance_cnt * numa_distance_cnt *
sizeof(numa_distance[0]);
- memblock_free_ptr(numa_distance, size);
+ memblock_free(numa_distance, size);
numa_distance_cnt = 0;
numa_distance = NULL;
}
@@ -275,15 +337,13 @@ void __init numa_free_distance(void)
static int __init numa_alloc_distance(void)
{
size_t size;
- u64 phys;
int i, j;
size = nr_node_ids * nr_node_ids * sizeof(numa_distance[0]);
- phys = memblock_phys_alloc_range(size, PAGE_SIZE, 0, PFN_PHYS(max_pfn));
- if (WARN_ON(!phys))
+ numa_distance = memblock_alloc(size, PAGE_SIZE);
+ if (WARN_ON(!numa_distance))
return -ENOMEM;
- numa_distance = __va(phys);
numa_distance_cnt = nr_node_ids;
/* fill with the default distances */
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index 43407665918f..ff16a36a908b 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -12,15 +12,12 @@
#include <linux/device.h>
#include <linux/of.h>
#include <linux/slab.h>
-#include <linux/string.h>
#include <linux/sched/topology.h>
#include <linux/cpuset.h>
#include <linux/cpumask.h>
#include <linux/init.h>
-#include <linux/percpu.h>
#include <linux/rcupdate.h>
#include <linux/sched.h>
-#include <linux/smp.h>
static DEFINE_PER_CPU(struct scale_freq_data __rcu *, sft_data);
static struct cpumask scale_freq_counters_mask;
@@ -600,6 +597,11 @@ const struct cpumask *cpu_coregroup_mask(int cpu)
return core_mask;
}
+const struct cpumask *cpu_clustergroup_mask(int cpu)
+{
+ return &cpu_topology[cpu].cluster_sibling;
+}
+
void update_siblings_masks(unsigned int cpuid)
{
struct cpu_topology *cpu_topo, *cpuid_topo = &cpu_topology[cpuid];
@@ -617,6 +619,12 @@ void update_siblings_masks(unsigned int cpuid)
if (cpuid_topo->package_id != cpu_topo->package_id)
continue;
+ if (cpuid_topo->cluster_id == cpu_topo->cluster_id &&
+ cpuid_topo->cluster_id != -1) {
+ cpumask_set_cpu(cpu, &cpuid_topo->cluster_sibling);
+ cpumask_set_cpu(cpuid, &cpu_topo->cluster_sibling);
+ }
+
cpumask_set_cpu(cpuid, &cpu_topo->core_sibling);
cpumask_set_cpu(cpu, &cpuid_topo->core_sibling);
@@ -635,6 +643,9 @@ static void clear_cpu_topology(int cpu)
cpumask_clear(&cpu_topo->llc_sibling);
cpumask_set_cpu(cpu, &cpu_topo->llc_sibling);
+ cpumask_clear(&cpu_topo->cluster_sibling);
+ cpumask_set_cpu(cpu, &cpu_topo->cluster_sibling);
+
cpumask_clear(&cpu_topo->core_sibling);
cpumask_set_cpu(cpu, &cpu_topo->core_sibling);
cpumask_clear(&cpu_topo->thread_sibling);
@@ -650,6 +661,7 @@ void __init reset_cpu_topology(void)
cpu_topo->thread_id = -1;
cpu_topo->core_id = -1;
+ cpu_topo->cluster_id = -1;
cpu_topo->package_id = -1;
cpu_topo->llc_id = -1;
@@ -665,6 +677,8 @@ void remove_cpu_topology(unsigned int cpu)
cpumask_clear_cpu(cpu, topology_core_cpumask(sibling));
for_each_cpu(sibling, topology_sibling_cpumask(cpu))
cpumask_clear_cpu(cpu, topology_sibling_cpumask(sibling));
+ for_each_cpu(sibling, topology_cluster_cpumask(cpu))
+ cpumask_clear_cpu(cpu, topology_cluster_cpumask(sibling));
for_each_cpu(sibling, topology_llc_cpumask(cpu))
cpumask_clear_cpu(cpu, topology_llc_cpumask(sibling));
diff --git a/drivers/base/component.c b/drivers/base/component.c
index 5e79299f6c3f..2d25a6416587 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -9,7 +9,6 @@
*/
#include <linux/component.h>
#include <linux/device.h>
-#include <linux/kref.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/slab.h>
@@ -246,7 +245,7 @@ static int try_to_bring_up_master(struct master *master,
return 0;
}
- if (!devres_open_group(master->parent, NULL, GFP_KERNEL))
+ if (!devres_open_group(master->parent, master, GFP_KERNEL))
return -ENOMEM;
/* Found all components */
@@ -258,6 +257,7 @@ static int try_to_bring_up_master(struct master *master,
return ret;
}
+ devres_close_group(master->parent, NULL);
master->bound = true;
return 1;
}
@@ -282,7 +282,7 @@ static void take_down_master(struct master *master)
{
if (master->bound) {
master->ops->unbind(master->parent);
- devres_release_group(master->parent, NULL);
+ devres_release_group(master->parent, master);
master->bound = false;
}
}
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 15986cc2fe5e..fd034d742447 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -687,7 +687,8 @@ struct device_link *device_link_add(struct device *consumer,
{
struct device_link *link;
- if (!consumer || !supplier || flags & ~DL_ADD_VALID_FLAGS ||
+ if (!consumer || !supplier || consumer == supplier ||
+ flags & ~DL_ADD_VALID_FLAGS ||
(flags & DL_FLAG_STATELESS && flags & DL_MANAGED_LINK_FLAGS) ||
(flags & DL_FLAG_SYNC_STATE_ONLY &&
(flags & ~DL_FLAG_INFERRED) != DL_FLAG_SYNC_STATE_ONLY) ||
@@ -820,9 +821,7 @@ struct device_link *device_link_add(struct device *consumer,
dev_bus_name(supplier), dev_name(supplier),
dev_bus_name(consumer), dev_name(consumer));
if (device_register(&link->link_dev)) {
- put_device(consumer);
- put_device(supplier);
- kfree(link);
+ put_device(&link->link_dev);
link = NULL;
goto out;
}
@@ -2874,7 +2873,7 @@ void device_initialize(struct device *dev)
spin_lock_init(&dev->devres_lock);
INIT_LIST_HEAD(&dev->devres_head);
device_pm_init(dev);
- set_dev_node(dev, -1);
+ set_dev_node(dev, NUMA_NO_NODE);
#ifdef CONFIG_GENERIC_MSI_IRQ
raw_spin_lock_init(&dev->msi_lock);
INIT_LIST_HEAD(&dev->msi_list);
@@ -4689,6 +4688,11 @@ define_dev_printk_level(_dev_info, KERN_INFO);
*
* return dev_err_probe(dev, err, ...);
*
+ * Note that it is deemed acceptable to use this function for error
+ * prints during probe even if the @err is known to never be -EPROBE_DEFER.
+ * The benefit compared to a normal dev_err() is the standardized format
+ * of the error code and the fact that the error code is returned.
+ *
* Returns @err.
*
*/
@@ -4834,6 +4838,12 @@ int device_match_acpi_dev(struct device *dev, const void *adev)
}
EXPORT_SYMBOL(device_match_acpi_dev);
+int device_match_acpi_handle(struct device *dev, const void *handle)
+{
+ return ACPI_HANDLE(dev) == handle;
+}
+EXPORT_SYMBOL(device_match_acpi_handle);
+
int device_match_any(struct device *dev, const void *unused)
{
return 1;
diff --git a/drivers/base/firmware_loader/builtin/Makefile b/drivers/base/firmware_loader/builtin/Makefile
index 101754ad48d9..eb4be452062a 100644
--- a/drivers/base/firmware_loader/builtin/Makefile
+++ b/drivers/base/firmware_loader/builtin/Makefile
@@ -1,11 +1,13 @@
# SPDX-License-Identifier: GPL-2.0
+obj-y += main.o
# Create $(fwdir) from $(CONFIG_EXTRA_FIRMWARE_DIR) -- if it doesn't have a
# leading /, it's relative to $(srctree).
fwdir := $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE_DIR))
fwdir := $(addprefix $(srctree)/,$(filter-out /%,$(fwdir)))$(filter /%,$(fwdir))
-obj-y := $(addsuffix .gen.o, $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE)))
+firmware := $(addsuffix .gen.o, $(subst $(quote),,$(CONFIG_EXTRA_FIRMWARE)))
+obj-y += $(firmware)
FWNAME = $(patsubst $(obj)/%.gen.S,%,$@)
FWSTR = $(subst $(comma),_,$(subst /,_,$(subst .,_,$(subst -,_,$(FWNAME)))))
@@ -34,7 +36,7 @@ $(obj)/%.gen.S: FORCE
$(call filechk,fwbin)
# The .o files depend on the binaries directly; the .S files don't.
-$(addprefix $(obj)/, $(obj-y)): $(obj)/%.gen.o: $(fwdir)/%
+$(addprefix $(obj)/, $(firmware)): $(obj)/%.gen.o: $(fwdir)/%
targets := $(patsubst $(obj)/%,%, \
$(shell find $(obj) -name \*.gen.S 2>/dev/null))
diff --git a/drivers/base/firmware_loader/builtin/main.c b/drivers/base/firmware_loader/builtin/main.c
new file mode 100644
index 000000000000..a065c3150897
--- /dev/null
+++ b/drivers/base/firmware_loader/builtin/main.c
@@ -0,0 +1,106 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Builtin firmware support */
+
+#include <linux/firmware.h>
+#include "../firmware.h"
+
+/* Only if FW_LOADER=y */
+#ifdef CONFIG_FW_LOADER
+
+struct builtin_fw {
+ char *name;
+ void *data;
+ unsigned long size;
+};
+
+extern struct builtin_fw __start_builtin_fw[];
+extern struct builtin_fw __end_builtin_fw[];
+
+static bool fw_copy_to_prealloc_buf(struct firmware *fw,
+ void *buf, size_t size)
+{
+ if (!buf)
+ return true;
+ if (size < fw->size)
+ return false;
+ memcpy(buf, fw->data, fw->size);
+ return true;
+}
+
+/**
+ * firmware_request_builtin() - load builtin firmware
+ * @fw: pointer to firmware struct
+ * @name: name of firmware file
+ *
+ * Some use cases in the kernel have a requirement so that no memory allocator
+ * is involved as these calls take place early in boot process. An example is
+ * the x86 CPU microcode loader. In these cases all the caller wants is to see
+ * if the firmware was built-in and if so use it right away. This can be used
+ * for such cases.
+ *
+ * This looks for the firmware in the built-in kernel. Only if the kernel was
+ * built-in with the firmware you are looking for will this return successfully.
+ *
+ * Callers of this API do not need to use release_firmware() as the pointer to
+ * the firmware is expected to be provided locally on the stack of the caller.
+ **/
+bool firmware_request_builtin(struct firmware *fw, const char *name)
+{
+ struct builtin_fw *b_fw;
+
+ if (!fw)
+ return false;
+
+ for (b_fw = __start_builtin_fw; b_fw != __end_builtin_fw; b_fw++) {
+ if (strcmp(name, b_fw->name) == 0) {
+ fw->size = b_fw->size;
+ fw->data = b_fw->data;
+ return true;
+ }
+ }
+
+ return false;
+}
+EXPORT_SYMBOL_NS_GPL(firmware_request_builtin, TEST_FIRMWARE);
+
+/**
+ * firmware_request_builtin_buf() - load builtin firmware into optional buffer
+ * @fw: pointer to firmware struct
+ * @name: name of firmware file
+ * @buf: If set this lets you use a pre-allocated buffer so that the built-in
+ * firmware into is copied into. This field can be NULL. It is used by
+ * callers such as request_firmware_into_buf() and
+ * request_partial_firmware_into_buf()
+ * @size: if buf was provided, the max size of the allocated buffer available.
+ * If the built-in firmware does not fit into the pre-allocated @buf this
+ * call will fail.
+ *
+ * This looks for the firmware in the built-in kernel. Only if the kernel was
+ * built-in with the firmware you are looking for will this call possibly
+ * succeed. If you passed a @buf the firmware will be copied into it *iff* the
+ * built-in firmware fits into the pre-allocated buffer size specified in
+ * @size.
+ *
+ * This caller is to be used internally by the firmware_loader only.
+ **/
+bool firmware_request_builtin_buf(struct firmware *fw, const char *name,
+ void *buf, size_t size)
+{
+ if (!firmware_request_builtin(fw, name))
+ return false;
+
+ return fw_copy_to_prealloc_buf(fw, buf, size);
+}
+
+bool firmware_is_builtin(const struct firmware *fw)
+{
+ struct builtin_fw *b_fw;
+
+ for (b_fw = __start_builtin_fw; b_fw != __end_builtin_fw; b_fw++)
+ if (fw->data == b_fw->data)
+ return true;
+
+ return false;
+}
+
+#endif
diff --git a/drivers/base/firmware_loader/firmware.h b/drivers/base/firmware_loader/firmware.h
index a3014e9e2c85..2889f446ad41 100644
--- a/drivers/base/firmware_loader/firmware.h
+++ b/drivers/base/firmware_loader/firmware.h
@@ -151,6 +151,23 @@ static inline void fw_state_done(struct fw_priv *fw_priv)
int assign_fw(struct firmware *fw, struct device *device);
+#ifdef CONFIG_FW_LOADER
+bool firmware_is_builtin(const struct firmware *fw);
+bool firmware_request_builtin_buf(struct firmware *fw, const char *name,
+ void *buf, size_t size);
+#else /* module case */
+static inline bool firmware_is_builtin(const struct firmware *fw)
+{
+ return false;
+}
+static inline bool firmware_request_builtin_buf(struct firmware *fw,
+ const char *name,
+ void *buf, size_t size)
+{
+ return false;
+}
+#endif
+
#ifdef CONFIG_FW_LOADER_PAGED_BUF
void fw_free_paged_buf(struct fw_priv *fw_priv);
int fw_grow_paged_buf(struct fw_priv *fw_priv, int pages_needed);
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index bdbedc6660a8..94d1789a233e 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -93,65 +93,6 @@ DEFINE_MUTEX(fw_lock);
static struct firmware_cache fw_cache;
-/* Builtin firmware support */
-
-#ifdef CONFIG_FW_LOADER
-
-extern struct builtin_fw __start_builtin_fw[];
-extern struct builtin_fw __end_builtin_fw[];
-
-static void fw_copy_to_prealloc_buf(struct firmware *fw,
- void *buf, size_t size)
-{
- if (!buf || size < fw->size)
- return;
- memcpy(buf, fw->data, fw->size);
-}
-
-static bool fw_get_builtin_firmware(struct firmware *fw, const char *name,
- void *buf, size_t size)
-{
- struct builtin_fw *b_fw;
-
- for (b_fw = __start_builtin_fw; b_fw != __end_builtin_fw; b_fw++) {
- if (strcmp(name, b_fw->name) == 0) {
- fw->size = b_fw->size;
- fw->data = b_fw->data;
- fw_copy_to_prealloc_buf(fw, buf, size);
-
- return true;
- }
- }
-
- return false;
-}
-
-static bool fw_is_builtin_firmware(const struct firmware *fw)
-{
- struct builtin_fw *b_fw;
-
- for (b_fw = __start_builtin_fw; b_fw != __end_builtin_fw; b_fw++)
- if (fw->data == b_fw->data)
- return true;
-
- return false;
-}
-
-#else /* Module case - no builtin firmware support */
-
-static inline bool fw_get_builtin_firmware(struct firmware *fw,
- const char *name, void *buf,
- size_t size)
-{
- return false;
-}
-
-static inline bool fw_is_builtin_firmware(const struct firmware *fw)
-{
- return false;
-}
-#endif
-
static void fw_state_init(struct fw_priv *fw_priv)
{
struct fw_state *fw_st = &fw_priv->fw_st;
@@ -736,7 +677,7 @@ _request_firmware_prepare(struct firmware **firmware_p, const char *name,
return -ENOMEM;
}
- if (fw_get_builtin_firmware(firmware, name, dbuf, size)) {
+ if (firmware_request_builtin_buf(firmware, name, dbuf, size)) {
dev_dbg(device, "using built-in %s\n", name);
return 0; /* assigned */
}
@@ -1051,7 +992,7 @@ EXPORT_SYMBOL(request_partial_firmware_into_buf);
void release_firmware(const struct firmware *fw)
{
if (fw) {
- if (!fw_is_builtin_firmware(fw))
+ if (!firmware_is_builtin(fw))
firmware_free_data(fw);
kfree(fw);
}
@@ -1215,7 +1156,7 @@ static int uncache_firmware(const char *fw_name)
pr_debug("%s: %s\n", __func__, fw_name);
- if (fw_get_builtin_firmware(&fw, fw_name, NULL, 0))
+ if (firmware_request_builtin(&fw, fw_name))
return 0;
fw_priv = lookup_fw_priv(fw_name);
diff --git a/drivers/base/node.c b/drivers/base/node.c
index c56d34f8158f..b5a4ba18f9f9 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -629,7 +629,7 @@ static void node_device_release(struct device *dev)
{
struct node *node = to_node(dev);
-#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_HUGETLBFS)
+#if defined(CONFIG_MEMORY_HOTPLUG) && defined(CONFIG_HUGETLBFS)
/*
* We schedule the work only when a memory section is
* onlined/offlined on this node. When we come here,
@@ -782,7 +782,7 @@ int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)
return 0;
}
-#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
+#ifdef CONFIG_MEMORY_HOTPLUG
static int __ref get_nid_for_pfn(unsigned long pfn)
{
#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
@@ -958,10 +958,9 @@ static int node_memory_callback(struct notifier_block *self,
return NOTIFY_OK;
}
#endif /* CONFIG_HUGETLBFS */
-#endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */
+#endif /* CONFIG_MEMORY_HOTPLUG */
-#if !defined(CONFIG_MEMORY_HOTPLUG_SPARSE) || \
- !defined(CONFIG_HUGETLBFS)
+#if !defined(CONFIG_MEMORY_HOTPLUG) || !defined(CONFIG_HUGETLBFS)
static inline int node_memory_callback(struct notifier_block *self,
unsigned long action, void *arg)
{
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 652531f67135..598acf93a360 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1466,8 +1466,7 @@ int platform_dma_configure(struct device *dev)
}
static const struct dev_pm_ops platform_dev_pm_ops = {
- .runtime_suspend = pm_generic_runtime_suspend,
- .runtime_resume = pm_generic_runtime_resume,
+ SET_RUNTIME_PM_OPS(pm_generic_runtime_suspend, pm_generic_runtime_resume, NULL)
USE_PLATFORM_PM_SLEEP_OPS
};
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index cbea78e79f3d..f4d0c555de29 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -32,7 +32,6 @@
#include <linux/suspend.h>
#include <trace/events/power.h>
#include <linux/cpufreq.h>
-#include <linux/cpuidle.h>
#include <linux/devfreq.h>
#include <linux/timer.h>
@@ -711,6 +710,7 @@ static void dpm_noirq_resume_devices(pm_message_t state)
dev = to_device(dpm_noirq_list.next);
get_device(dev);
list_move_tail(&dev->power.entry, &dpm_late_early_list);
+
mutex_unlock(&dpm_list_mtx);
if (!is_async(dev)) {
@@ -725,8 +725,9 @@ static void dpm_noirq_resume_devices(pm_message_t state)
}
}
- mutex_lock(&dpm_list_mtx);
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
@@ -747,8 +748,6 @@ void dpm_resume_noirq(pm_message_t state)
resume_device_irqs();
device_wakeup_disarm_wake_irqs();
-
- cpuidle_resume();
}
/**
@@ -852,6 +851,7 @@ void dpm_resume_early(pm_message_t state)
dev = to_device(dpm_late_early_list.next);
get_device(dev);
list_move_tail(&dev->power.entry, &dpm_suspended_list);
+
mutex_unlock(&dpm_list_mtx);
if (!is_async(dev)) {
@@ -865,8 +865,10 @@ void dpm_resume_early(pm_message_t state)
pm_dev_err(dev, state, " early", error);
}
}
- mutex_lock(&dpm_list_mtx);
+
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
@@ -1029,7 +1031,12 @@ void dpm_resume(pm_message_t state)
}
if (!list_empty(&dev->power.entry))
list_move_tail(&dev->power.entry, &dpm_prepared_list);
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
@@ -1051,7 +1058,7 @@ static void device_complete(struct device *dev, pm_message_t state)
const char *info = NULL;
if (dev->power.syscore)
- return;
+ goto out;
device_lock(dev);
@@ -1081,6 +1088,7 @@ static void device_complete(struct device *dev, pm_message_t state)
device_unlock(dev);
+out:
pm_runtime_put(dev);
}
@@ -1106,14 +1114,16 @@ void dpm_complete(pm_message_t state)
get_device(dev);
dev->power.is_prepared = false;
list_move(&dev->power.entry, &list);
+
mutex_unlock(&dpm_list_mtx);
trace_device_pm_callback_start(dev, "", state.event);
device_complete(dev, state);
trace_device_pm_callback_end(dev, 0);
- mutex_lock(&dpm_list_mtx);
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
list_splice(&list, &dpm_list);
mutex_unlock(&dpm_list_mtx);
@@ -1298,17 +1308,21 @@ static int dpm_noirq_suspend_devices(pm_message_t state)
error = device_suspend_noirq(dev);
mutex_lock(&dpm_list_mtx);
+
if (error) {
pm_dev_err(dev, state, " noirq", error);
dpm_save_failed_dev(dev_name(dev));
- put_device(dev);
- break;
- }
- if (!list_empty(&dev->power.entry))
+ } else if (!list_empty(&dev->power.entry)) {
list_move(&dev->power.entry, &dpm_noirq_list);
+ }
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
- if (async_error)
+ mutex_lock(&dpm_list_mtx);
+
+ if (error || async_error)
break;
}
mutex_unlock(&dpm_list_mtx);
@@ -1336,8 +1350,6 @@ int dpm_suspend_noirq(pm_message_t state)
{
int ret;
- cpuidle_pause();
-
device_wakeup_arm_wake_irqs();
suspend_device_irqs();
@@ -1467,6 +1479,7 @@ int dpm_suspend_late(pm_message_t state)
int error = 0;
trace_suspend_resume(TPS("dpm_suspend_late"), state.event, true);
+ wake_up_all_idle_cpus();
mutex_lock(&dpm_list_mtx);
pm_transition = state;
async_error = 0;
@@ -1475,23 +1488,28 @@ int dpm_suspend_late(pm_message_t state)
struct device *dev = to_device(dpm_suspended_list.prev);
get_device(dev);
+
mutex_unlock(&dpm_list_mtx);
error = device_suspend_late(dev);
mutex_lock(&dpm_list_mtx);
+
if (!list_empty(&dev->power.entry))
list_move(&dev->power.entry, &dpm_late_early_list);
if (error) {
pm_dev_err(dev, state, " late", error);
dpm_save_failed_dev(dev_name(dev));
- put_device(dev);
- break;
}
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
- if (async_error)
+ mutex_lock(&dpm_list_mtx);
+
+ if (error || async_error)
break;
}
mutex_unlock(&dpm_list_mtx);
@@ -1751,21 +1769,27 @@ int dpm_suspend(pm_message_t state)
struct device *dev = to_device(dpm_prepared_list.prev);
get_device(dev);
+
mutex_unlock(&dpm_list_mtx);
error = device_suspend(dev);
mutex_lock(&dpm_list_mtx);
+
if (error) {
pm_dev_err(dev, state, "", error);
dpm_save_failed_dev(dev_name(dev));
- put_device(dev);
- break;
- }
- if (!list_empty(&dev->power.entry))
+ } else if (!list_empty(&dev->power.entry)) {
list_move(&dev->power.entry, &dpm_suspended_list);
+ }
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
- if (async_error)
+
+ mutex_lock(&dpm_list_mtx);
+
+ if (error || async_error)
break;
}
mutex_unlock(&dpm_list_mtx);
@@ -1794,9 +1818,6 @@ static int device_prepare(struct device *dev, pm_message_t state)
int (*callback)(struct device *) = NULL;
int ret = 0;
- if (dev->power.syscore)
- return 0;
-
/*
* If a device's parent goes into runtime suspend at the wrong time,
* it won't be possible to resume the device. To prevent this we
@@ -1805,6 +1826,9 @@ static int device_prepare(struct device *dev, pm_message_t state)
*/
pm_runtime_get_noresume(dev);
+ if (dev->power.syscore)
+ return 0;
+
device_lock(dev);
dev->power.wakeup_path = false;
@@ -1882,6 +1906,7 @@ int dpm_prepare(pm_message_t state)
struct device *dev = to_device(dpm_list.next);
get_device(dev);
+
mutex_unlock(&dpm_list_mtx);
trace_device_pm_callback_start(dev, "", state.event);
@@ -1889,21 +1914,23 @@ int dpm_prepare(pm_message_t state)
trace_device_pm_callback_end(dev, error);
mutex_lock(&dpm_list_mtx);
- if (error) {
- if (error == -EAGAIN) {
- put_device(dev);
- error = 0;
- continue;
- }
+
+ if (!error) {
+ dev->power.is_prepared = true;
+ if (!list_empty(&dev->power.entry))
+ list_move_tail(&dev->power.entry, &dpm_prepared_list);
+ } else if (error == -EAGAIN) {
+ error = 0;
+ } else {
dev_info(dev, "not prepared for power transition: code %d\n",
error);
- put_device(dev);
- break;
}
- dev->power.is_prepared = true;
- if (!list_empty(&dev->power.entry))
- list_move_tail(&dev->power.entry, &dpm_prepared_list);
+
+ mutex_unlock(&dpm_list_mtx);
+
put_device(dev);
+
+ mutex_lock(&dpm_list_mtx);
}
mutex_unlock(&dpm_list_mtx);
trace_suspend_resume(TPS("dpm_prepare"), state.event, false);
diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h
index 54292cdd7808..0eb7f02b3ad5 100644
--- a/drivers/base/power/power.h
+++ b/drivers/base/power/power.h
@@ -25,8 +25,10 @@ extern u64 pm_runtime_active_time(struct device *dev);
#define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0)
#define WAKE_IRQ_DEDICATED_MANAGED BIT(1)
+#define WAKE_IRQ_DEDICATED_REVERSE BIT(2)
#define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED | \
- WAKE_IRQ_DEDICATED_MANAGED)
+ WAKE_IRQ_DEDICATED_MANAGED | \
+ WAKE_IRQ_DEDICATED_REVERSE)
struct wake_irq {
struct device *dev;
@@ -39,7 +41,8 @@ extern void dev_pm_arm_wake_irq(struct wake_irq *wirq);
extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq);
extern void dev_pm_enable_wake_irq_check(struct device *dev,
bool can_change_status);
-extern void dev_pm_disable_wake_irq_check(struct device *dev);
+extern void dev_pm_disable_wake_irq_check(struct device *dev, bool cond_disable);
+extern void dev_pm_enable_wake_irq_complete(struct device *dev);
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index ec94049442b9..d504cd4ab3cb 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -645,6 +645,8 @@ static int rpm_suspend(struct device *dev, int rpmflags)
if (retval)
goto fail;
+ dev_pm_enable_wake_irq_complete(dev);
+
no_callback:
__update_runtime_status(dev, RPM_SUSPENDED);
pm_runtime_deactivate_timer(dev);
@@ -690,7 +692,7 @@ static int rpm_suspend(struct device *dev, int rpmflags)
return retval;
fail:
- dev_pm_disable_wake_irq_check(dev);
+ dev_pm_disable_wake_irq_check(dev, true);
__update_runtime_status(dev, RPM_ACTIVE);
dev->power.deferred_resume = false;
wake_up_all(&dev->power.wait_queue);
@@ -873,7 +875,7 @@ static int rpm_resume(struct device *dev, int rpmflags)
callback = RPM_GET_CALLBACK(dev, runtime_resume);
- dev_pm_disable_wake_irq_check(dev);
+ dev_pm_disable_wake_irq_check(dev, false);
retval = rpm_callback(callback, dev);
if (retval) {
__update_runtime_status(dev, RPM_SUSPENDED);
diff --git a/drivers/base/power/wakeirq.c b/drivers/base/power/wakeirq.c
index b91a3a9bf9f6..0004db4a9d3b 100644
--- a/drivers/base/power/wakeirq.c
+++ b/drivers/base/power/wakeirq.c
@@ -142,24 +142,7 @@ static irqreturn_t handle_threaded_wake_irq(int irq, void *_wirq)
return IRQ_HANDLED;
}
-/**
- * dev_pm_set_dedicated_wake_irq - Request a dedicated wake-up interrupt
- * @dev: Device entry
- * @irq: Device wake-up interrupt
- *
- * Unless your hardware has separate wake-up interrupts in addition
- * to the device IO interrupts, you don't need this.
- *
- * Sets up a threaded interrupt handler for a device that has
- * a dedicated wake-up interrupt in addition to the device IO
- * interrupt.
- *
- * The interrupt starts disabled, and needs to be managed for
- * the device by the bus code or the device driver using
- * dev_pm_enable_wake_irq() and dev_pm_disable_wake_irq()
- * functions.
- */
-int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq)
+static int __dev_pm_set_dedicated_wake_irq(struct device *dev, int irq, unsigned int flag)
{
struct wake_irq *wirq;
int err;
@@ -197,7 +180,7 @@ int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq)
if (err)
goto err_free_irq;
- wirq->status = WAKE_IRQ_DEDICATED_ALLOCATED;
+ wirq->status = WAKE_IRQ_DEDICATED_ALLOCATED | flag;
return err;
@@ -210,9 +193,58 @@ err_free:
return err;
}
+
+
+/**
+ * dev_pm_set_dedicated_wake_irq - Request a dedicated wake-up interrupt
+ * @dev: Device entry
+ * @irq: Device wake-up interrupt
+ *
+ * Unless your hardware has separate wake-up interrupts in addition
+ * to the device IO interrupts, you don't need this.
+ *
+ * Sets up a threaded interrupt handler for a device that has
+ * a dedicated wake-up interrupt in addition to the device IO
+ * interrupt.
+ *
+ * The interrupt starts disabled, and needs to be managed for
+ * the device by the bus code or the device driver using
+ * dev_pm_enable_wake_irq*() and dev_pm_disable_wake_irq*()
+ * functions.
+ */
+int dev_pm_set_dedicated_wake_irq(struct device *dev, int irq)
+{
+ return __dev_pm_set_dedicated_wake_irq(dev, irq, 0);
+}
EXPORT_SYMBOL_GPL(dev_pm_set_dedicated_wake_irq);
/**
+ * dev_pm_set_dedicated_wake_irq_reverse - Request a dedicated wake-up interrupt
+ * with reverse enable ordering
+ * @dev: Device entry
+ * @irq: Device wake-up interrupt
+ *
+ * Unless your hardware has separate wake-up interrupts in addition
+ * to the device IO interrupts, you don't need this.
+ *
+ * Sets up a threaded interrupt handler for a device that has a dedicated
+ * wake-up interrupt in addition to the device IO interrupt. It sets
+ * the status of WAKE_IRQ_DEDICATED_REVERSE to tell rpm_suspend()
+ * to enable dedicated wake-up interrupt after running the runtime suspend
+ * callback for @dev.
+ *
+ * The interrupt starts disabled, and needs to be managed for
+ * the device by the bus code or the device driver using
+ * dev_pm_enable_wake_irq*() and dev_pm_disable_wake_irq*()
+ * functions.
+ */
+int dev_pm_set_dedicated_wake_irq_reverse(struct device *dev, int irq)
+{
+ return __dev_pm_set_dedicated_wake_irq(dev, irq, WAKE_IRQ_DEDICATED_REVERSE);
+}
+EXPORT_SYMBOL_GPL(dev_pm_set_dedicated_wake_irq_reverse);
+
+/**
* dev_pm_enable_wake_irq - Enable device wake-up interrupt
* @dev: Device
*
@@ -282,28 +314,55 @@ void dev_pm_enable_wake_irq_check(struct device *dev,
return;
enable:
- enable_irq(wirq->irq);
+ if (!can_change_status || !(wirq->status & WAKE_IRQ_DEDICATED_REVERSE))
+ enable_irq(wirq->irq);
}
/**
* dev_pm_disable_wake_irq_check - Checks and disables wake-up interrupt
* @dev: Device
+ * @cond_disable: if set, also check WAKE_IRQ_DEDICATED_REVERSE
*
* Disables wake-up interrupt conditionally based on status.
* Should be only called from rpm_suspend() and rpm_resume() path.
*/
-void dev_pm_disable_wake_irq_check(struct device *dev)
+void dev_pm_disable_wake_irq_check(struct device *dev, bool cond_disable)
{
struct wake_irq *wirq = dev->power.wakeirq;
if (!wirq || !(wirq->status & WAKE_IRQ_DEDICATED_MASK))
return;
+ if (cond_disable && (wirq->status & WAKE_IRQ_DEDICATED_REVERSE))
+ return;
+
if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED)
disable_irq_nosync(wirq->irq);
}
/**
+ * dev_pm_enable_wake_irq_complete - enable wake IRQ not enabled before
+ * @dev: Device using the wake IRQ
+ *
+ * Enable wake IRQ conditionally based on status, mainly used if want to
+ * enable wake IRQ after running ->runtime_suspend() which depends on
+ * WAKE_IRQ_DEDICATED_REVERSE.
+ *
+ * Should be only called from rpm_suspend() path.
+ */
+void dev_pm_enable_wake_irq_complete(struct device *dev)
+{
+ struct wake_irq *wirq = dev->power.wakeirq;
+
+ if (!wirq || !(wirq->status & WAKE_IRQ_DEDICATED_MASK))
+ return;
+
+ if (wirq->status & WAKE_IRQ_DEDICATED_MANAGED &&
+ wirq->status & WAKE_IRQ_DEDICATED_REVERSE)
+ enable_irq(wirq->irq);
+}
+
+/**
* dev_pm_arm_wake_irq - Arm device wake-up
* @wirq: Device wake-up interrupt
*
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 453918eb7390..f1f35b48ab8b 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -15,7 +15,6 @@
#include <linux/of_graph.h>
#include <linux/of_irq.h>
#include <linux/property.h>
-#include <linux/etherdevice.h>
#include <linux/phy.h>
struct fwnode_handle *dev_fwnode(struct device *dev)
@@ -935,68 +934,6 @@ int device_get_phy_mode(struct device *dev)
}
EXPORT_SYMBOL_GPL(device_get_phy_mode);
-static void *fwnode_get_mac_addr(struct fwnode_handle *fwnode,
- const char *name, char *addr,
- int alen)
-{
- int ret = fwnode_property_read_u8_array(fwnode, name, addr, alen);
-
- if (ret == 0 && alen == ETH_ALEN && is_valid_ether_addr(addr))
- return addr;
- return NULL;
-}
-
-/**
- * fwnode_get_mac_address - Get the MAC from the firmware node
- * @fwnode: Pointer to the firmware node
- * @addr: Address of buffer to store the MAC in
- * @alen: Length of the buffer pointed to by addr, should be ETH_ALEN
- *
- * Search the firmware node for the best MAC address to use. 'mac-address' is
- * checked first, because that is supposed to contain to "most recent" MAC
- * address. If that isn't set, then 'local-mac-address' is checked next,
- * because that is the default address. If that isn't set, then the obsolete
- * 'address' is checked, just in case we're using an old device tree.
- *
- * Note that the 'address' property is supposed to contain a virtual address of
- * the register set, but some DTS files have redefined that property to be the
- * MAC address.
- *
- * All-zero MAC addresses are rejected, because those could be properties that
- * exist in the firmware tables, but were not updated by the firmware. For
- * example, the DTS could define 'mac-address' and 'local-mac-address', with
- * zero MAC addresses. Some older U-Boots only initialized 'local-mac-address'.
- * In this case, the real MAC is in 'local-mac-address', and 'mac-address'
- * exists but is all zeros.
-*/
-void *fwnode_get_mac_address(struct fwnode_handle *fwnode, char *addr, int alen)
-{
- char *res;
-
- res = fwnode_get_mac_addr(fwnode, "mac-address", addr, alen);
- if (res)
- return res;
-
- res = fwnode_get_mac_addr(fwnode, "local-mac-address", addr, alen);
- if (res)
- return res;
-
- return fwnode_get_mac_addr(fwnode, "address", addr, alen);
-}
-EXPORT_SYMBOL(fwnode_get_mac_address);
-
-/**
- * device_get_mac_address - Get the MAC for a given device
- * @dev: Pointer to the device
- * @addr: Address of buffer to store the MAC in
- * @alen: Length of the buffer pointed to by addr, should be ETH_ALEN
- */
-void *device_get_mac_address(struct device *dev, char *addr, int alen)
-{
- return fwnode_get_mac_address(dev_fwnode(dev), addr, alen);
-}
-EXPORT_SYMBOL(device_get_mac_address);
-
/**
* fwnode_irq_get - Get IRQ directly from a fwnode
* @fwnode: Pointer to the firmware node
diff --git a/drivers/base/regmap/regcache-rbtree.c b/drivers/base/regmap/regcache-rbtree.c
index cfa29dc89bbf..fabf87058d80 100644
--- a/drivers/base/regmap/regcache-rbtree.c
+++ b/drivers/base/regmap/regcache-rbtree.c
@@ -281,14 +281,14 @@ static int regcache_rbtree_insert_to_block(struct regmap *map,
if (!blk)
return -ENOMEM;
+ rbnode->block = blk;
+
if (BITS_TO_LONGS(blklen) > BITS_TO_LONGS(rbnode->blklen)) {
present = krealloc(rbnode->cache_present,
BITS_TO_LONGS(blklen) * sizeof(*present),
GFP_KERNEL);
- if (!present) {
- kfree(blk);
+ if (!present)
return -ENOMEM;
- }
memset(present + BITS_TO_LONGS(rbnode->blklen), 0,
(BITS_TO_LONGS(blklen) - BITS_TO_LONGS(rbnode->blklen))
@@ -305,7 +305,6 @@ static int regcache_rbtree_insert_to_block(struct regmap *map,
}
/* update the rbnode block, its size and the base register */
- rbnode->block = blk;
rbnode->blklen = blklen;
rbnode->base_reg = base_reg;
rbnode->cache_present = present;
diff --git a/drivers/base/regmap/regmap-mdio.c b/drivers/base/regmap/regmap-mdio.c
index 6a20201299f5..f7293040a2b1 100644
--- a/drivers/base/regmap/regmap-mdio.c
+++ b/drivers/base/regmap/regmap-mdio.c
@@ -14,7 +14,7 @@ static int regmap_mdio_read(struct mdio_device *mdio_dev, u32 reg, unsigned int
{
int ret;
- ret = mdiobus_read(mdio_dev->bus, mdio_dev->addr, reg);
+ ret = mdiodev_read(mdio_dev, reg);
if (ret < 0)
return ret;
@@ -24,7 +24,7 @@ static int regmap_mdio_read(struct mdio_device *mdio_dev, u32 reg, unsigned int
static int regmap_mdio_write(struct mdio_device *mdio_dev, u32 reg, unsigned int val)
{
- return mdiobus_write(mdio_dev->bus, mdio_dev->addr, reg, val);
+ return mdiodev_write(mdio_dev, reg, val);
}
static int regmap_mdio_c22_read(void *context, unsigned int reg, unsigned int *val)
@@ -44,7 +44,7 @@ static int regmap_mdio_c22_write(void *context, unsigned int reg, unsigned int v
if (unlikely(reg & ~REGNUM_C22_MASK))
return -ENXIO;
- return mdiobus_write(mdio_dev->bus, mdio_dev->addr, reg, val);
+ return mdiodev_write(mdio_dev, reg, val);
}
static const struct regmap_bus regmap_mdio_c22_bus = {
diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c
index c1894e93c378..719323bc6c7f 100644
--- a/drivers/base/regmap/regmap-spi.c
+++ b/drivers/base/regmap/regmap-spi.c
@@ -109,13 +109,37 @@ static const struct regmap_bus regmap_spi = {
.val_format_endian_default = REGMAP_ENDIAN_BIG,
};
+static const struct regmap_bus *regmap_get_spi_bus(struct spi_device *spi,
+ const struct regmap_config *config)
+{
+ size_t max_size = spi_max_transfer_size(spi);
+ struct regmap_bus *bus;
+
+ if (max_size != SIZE_MAX) {
+ bus = kmemdup(&regmap_spi, sizeof(*bus), GFP_KERNEL);
+ if (!bus)
+ return ERR_PTR(-ENOMEM);
+
+ bus->free_on_exit = true;
+ bus->max_raw_read = max_size;
+ bus->max_raw_write = max_size;
+ return bus;
+ }
+
+ return &regmap_spi;
+}
+
struct regmap *__regmap_init_spi(struct spi_device *spi,
const struct regmap_config *config,
struct lock_class_key *lock_key,
const char *lock_name)
{
- return __regmap_init(&spi->dev, &regmap_spi, &spi->dev, config,
- lock_key, lock_name);
+ const struct regmap_bus *bus = regmap_get_spi_bus(spi, config);
+
+ if (IS_ERR(bus))
+ return ERR_CAST(bus);
+
+ return __regmap_init(&spi->dev, bus, &spi->dev, config, lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(__regmap_init_spi);
@@ -124,8 +148,12 @@ struct regmap *__devm_regmap_init_spi(struct spi_device *spi,
struct lock_class_key *lock_key,
const char *lock_name)
{
- return __devm_regmap_init(&spi->dev, &regmap_spi, &spi->dev, config,
- lock_key, lock_name);
+ const struct regmap_bus *bus = regmap_get_spi_bus(spi, config);
+
+ if (IS_ERR(bus))
+ return ERR_CAST(bus);
+
+ return __devm_regmap_init(&spi->dev, bus, &spi->dev, config, lock_key, lock_name);
}
EXPORT_SYMBOL_GPL(__devm_regmap_init_spi);
diff --git a/drivers/base/swnode.c b/drivers/base/swnode.c
index c46f6a8e14d2..4debcea4fb12 100644
--- a/drivers/base/swnode.c
+++ b/drivers/base/swnode.c
@@ -413,9 +413,6 @@ software_node_get_name(const struct fwnode_handle *fwnode)
{
const struct swnode *swnode = to_swnode(fwnode);
- if (!swnode)
- return "(null)";
-
return kobject_name(&swnode->kobj);
}
@@ -507,9 +504,6 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
int error;
int i;
- if (!swnode)
- return -ENOENT;
-
prop = property_entry_get(swnode->node->properties, propname);
if (!prop)
return -ENOENT;
diff --git a/drivers/base/test/Makefile b/drivers/base/test/Makefile
index 64b2f3d744d5..7f76fee6f989 100644
--- a/drivers/base/test/Makefile
+++ b/drivers/base/test/Makefile
@@ -2,4 +2,4 @@
obj-$(CONFIG_TEST_ASYNC_DRIVER_PROBE) += test_async_driver_probe.o
obj-$(CONFIG_DRIVER_PE_KUNIT_TEST) += property-entry-test.o
-CFLAGS_REMOVE_property-entry-test.o += -fplugin-arg-structleak_plugin-byref -fplugin-arg-structleak_plugin-byref-all
+CFLAGS_property-entry-test.o += $(DISABLE_STRUCTLEAK_PLUGIN)
diff --git a/drivers/base/topology.c b/drivers/base/topology.c
index 43c0940643f5..8f2b641d0b8c 100644
--- a/drivers/base/topology.c
+++ b/drivers/base/topology.c
@@ -48,6 +48,9 @@ static DEVICE_ATTR_RO(physical_package_id);
define_id_show_func(die_id);
static DEVICE_ATTR_RO(die_id);
+define_id_show_func(cluster_id);
+static DEVICE_ATTR_RO(cluster_id);
+
define_id_show_func(core_id);
static DEVICE_ATTR_RO(core_id);
@@ -63,6 +66,10 @@ define_siblings_read_func(core_siblings, core_cpumask);
static BIN_ATTR_RO(core_siblings, 0);
static BIN_ATTR_RO(core_siblings_list, 0);
+define_siblings_read_func(cluster_cpus, cluster_cpumask);
+static BIN_ATTR_RO(cluster_cpus, 0);
+static BIN_ATTR_RO(cluster_cpus_list, 0);
+
define_siblings_read_func(die_cpus, die_cpumask);
static BIN_ATTR_RO(die_cpus, 0);
static BIN_ATTR_RO(die_cpus_list, 0);
@@ -94,6 +101,8 @@ static struct bin_attribute *bin_attrs[] = {
&bin_attr_thread_siblings_list,
&bin_attr_core_siblings,
&bin_attr_core_siblings_list,
+ &bin_attr_cluster_cpus,
+ &bin_attr_cluster_cpus_list,
&bin_attr_die_cpus,
&bin_attr_die_cpus_list,
&bin_attr_package_cpus,
@@ -112,6 +121,7 @@ static struct bin_attribute *bin_attrs[] = {
static struct attribute *default_attrs[] = {
&dev_attr_physical_package_id.attr,
&dev_attr_die_id.attr,
+ &dev_attr_cluster_id.attr,
&dev_attr_core_id.attr,
#ifdef CONFIG_SCHED_BOOK
&dev_attr_book_id.attr,
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