summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/amba/tegra-ahb.c11
-rw-r--r--drivers/base/bus.c24
-rw-r--r--drivers/base/core.c39
-rw-r--r--drivers/base/devcon.c8
-rw-r--r--drivers/base/platform.c14
-rw-r--r--drivers/fpga/fpga-bridge.c8
-rw-r--r--drivers/fpga/fpga-mgr.c8
-rw-r--r--drivers/gpu/drm/drm_mipi_dsi.c7
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.c9
-rw-r--r--drivers/gpu/drm/mcde/mcde_drv.c3
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_drv.c3
-rw-r--r--drivers/gpu/drm/vc4/vc4_drv.c3
-rw-r--r--drivers/hwtracing/coresight/coresight-platform.c11
-rw-r--r--drivers/hwtracing/coresight/coresight-priv.h2
-rw-r--r--drivers/hwtracing/coresight/coresight.c4
-rw-r--r--drivers/hwtracing/intel_th/core.c10
-rw-r--r--drivers/hwtracing/stm/core.c9
-rw-r--r--drivers/i2c/busses/i2c-amd-mp2-pci.c8
-rw-r--r--drivers/i2c/i2c-core-acpi.c11
-rw-r--r--drivers/i2c/i2c-core-of.c7
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v1.c8
-rw-r--r--drivers/iommu/arm-smmu-v3.c9
-rw-r--r--drivers/iommu/arm-smmu.c9
-rw-r--r--drivers/leds/led-class.c9
-rw-r--r--drivers/mfd/altera-sysmgr.c14
-rw-r--r--drivers/misc/mei/main.c9
-rw-r--r--drivers/mux/core.c7
-rw-r--r--drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c8
-rw-r--r--drivers/net/phy/mdio_bus.c9
-rw-r--r--drivers/nvmem/core.c7
-rw-r--r--drivers/of/of_mdio.c8
-rw-r--r--drivers/of/platform.c7
-rw-r--r--drivers/pci/probe.c7
-rw-r--r--drivers/regulator/of_regulator.c7
-rw-r--r--drivers/rtc/interface.c11
-rw-r--r--drivers/s390/cio/ccwgroup.c18
-rw-r--r--drivers/s390/cio/device.c15
-rw-r--r--drivers/s390/crypto/zcrypt_api.c22
-rw-r--r--drivers/scsi/scsi_proc.c9
-rw-r--r--drivers/spi/spi.c28
-rw-r--r--drivers/tty/tty_io.c8
-rw-r--r--drivers/usb/core/devio.c8
-rw-r--r--drivers/usb/roles/class.c16
-rw-r--r--drivers/usb/typec/class.c16
-rw-r--r--include/linux/device.h237
-rw-r--r--include/linux/platform_device.h3
-rw-r--r--net/ieee802154/core.c7
-rw-r--r--sound/soc/rockchip/rk3399_gru_sound.c9
48 files changed, 341 insertions, 383 deletions
diff --git a/drivers/amba/tegra-ahb.c b/drivers/amba/tegra-ahb.c
index aa64eece77a6..57d3b2e2d007 100644
--- a/drivers/amba/tegra-ahb.c
+++ b/drivers/amba/tegra-ahb.c
@@ -134,22 +134,13 @@ static inline void gizmo_writel(struct tegra_ahb *ahb, u32 value, u32 offset)
}
#ifdef CONFIG_TEGRA_IOMMU_SMMU
-static int tegra_ahb_match_by_smmu(struct device *dev, const void *data)
-{
- struct tegra_ahb *ahb = dev_get_drvdata(dev);
- const struct device_node *dn = data;
-
- return (ahb->dev->of_node == dn) ? 1 : 0;
-}
-
int tegra_ahb_enable_smmu(struct device_node *dn)
{
struct device *dev;
u32 val;
struct tegra_ahb *ahb;
- dev = driver_find_device(&tegra_ahb_driver.driver, NULL, dn,
- tegra_ahb_match_by_smmu);
+ dev = driver_find_device_by_of_node(&tegra_ahb_driver.driver, dn);
if (!dev)
return -EPROBE_DEFER;
ahb = dev_get_drvdata(dev);
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index df3cac739813..a1d1e8256324 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -342,30 +342,6 @@ struct device *bus_find_device(struct bus_type *bus,
}
EXPORT_SYMBOL_GPL(bus_find_device);
-static int match_name(struct device *dev, const void *data)
-{
- const char *name = data;
-
- return sysfs_streq(name, dev_name(dev));
-}
-
-/**
- * bus_find_device_by_name - device iterator for locating a particular device of a specific name
- * @bus: bus type
- * @start: Device to begin with
- * @name: name of the device to match
- *
- * This is similar to the bus_find_device() function above, but it handles
- * searching by a name automatically, no need to write another strcmp matching
- * function.
- */
-struct device *bus_find_device_by_name(struct bus_type *bus,
- struct device *start, const char *name)
-{
- return bus_find_device(bus, start, (void *)name, match_name);
-}
-EXPORT_SYMBOL_GPL(bus_find_device_by_name);
-
/**
* subsys_find_device_by_id - find a device with a specific enumeration number
* @subsys: subsystem
diff --git a/drivers/base/core.c b/drivers/base/core.c
index da84a73f2ba6..e22e29b3dc97 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2867,13 +2867,6 @@ struct device *device_create_with_groups(struct class *class,
}
EXPORT_SYMBOL_GPL(device_create_with_groups);
-static int __match_devt(struct device *dev, const void *data)
-{
- const dev_t *devt = data;
-
- return dev->devt == *devt;
-}
-
/**
* device_destroy - removes a device that was created with device_create()
* @class: pointer to the struct class that this device was registered with
@@ -2886,7 +2879,7 @@ void device_destroy(struct class *class, dev_t devt)
{
struct device *dev;
- dev = class_find_device(class, NULL, &devt, __match_devt);
+ dev = class_find_device_by_devt(class, devt);
if (dev) {
put_device(dev);
device_unregister(dev);
@@ -3357,8 +3350,38 @@ void device_set_of_node_from_dev(struct device *dev, const struct device *dev2)
}
EXPORT_SYMBOL_GPL(device_set_of_node_from_dev);
+int device_match_name(struct device *dev, const void *name)
+{
+ return sysfs_streq(dev_name(dev), name);
+}
+EXPORT_SYMBOL_GPL(device_match_name);
+
int device_match_of_node(struct device *dev, const void *np)
{
return dev->of_node == np;
}
EXPORT_SYMBOL_GPL(device_match_of_node);
+
+int device_match_fwnode(struct device *dev, const void *fwnode)
+{
+ return dev_fwnode(dev) == fwnode;
+}
+EXPORT_SYMBOL_GPL(device_match_fwnode);
+
+int device_match_devt(struct device *dev, const void *pdevt)
+{
+ return dev->devt == *(dev_t *)pdevt;
+}
+EXPORT_SYMBOL_GPL(device_match_devt);
+
+int device_match_acpi_dev(struct device *dev, const void *adev)
+{
+ return ACPI_COMPANION(dev) == adev;
+}
+EXPORT_SYMBOL(device_match_acpi_dev);
+
+int device_match_any(struct device *dev, const void *unused)
+{
+ return 1;
+}
+EXPORT_SYMBOL_GPL(device_match_any);
diff --git a/drivers/base/devcon.c b/drivers/base/devcon.c
index 09f28479b243..1d488dc5dd0c 100644
--- a/drivers/base/devcon.c
+++ b/drivers/base/devcon.c
@@ -133,19 +133,13 @@ static struct bus_type *generic_match_buses[] = {
NULL,
};
-static int device_fwnode_match(struct device *dev, const void *fwnode)
-{
- return dev_fwnode(dev) == fwnode;
-}
-
static void *device_connection_fwnode_match(struct device_connection *con)
{
struct bus_type *bus;
struct device *dev;
for (bus = generic_match_buses[0]; bus; bus++) {
- dev = bus_find_device(bus, NULL, (void *)con->fwnode,
- device_fwnode_match);
+ dev = bus_find_device_by_fwnode(bus, con->fwnode);
if (dev && !strncmp(dev_name(dev), con->id, strlen(con->id)))
return dev;
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 506a0175a5a7..a174ce5ea17c 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1197,6 +1197,20 @@ struct bus_type platform_bus_type = {
};
EXPORT_SYMBOL_GPL(platform_bus_type);
+/**
+ * platform_find_device_by_driver - Find a platform device with a given
+ * driver.
+ * @start: The device to start the search from.
+ * @drv: The device driver to look for.
+ */
+struct device *platform_find_device_by_driver(struct device *start,
+ const struct device_driver *drv)
+{
+ return bus_find_device(&platform_bus_type, start, drv,
+ (void *)platform_match);
+}
+EXPORT_SYMBOL_GPL(platform_find_device_by_driver);
+
int __init platform_bus_init(void)
{
int error;
diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
index 80bd8f1b2aa6..4bab9028940a 100644
--- a/drivers/fpga/fpga-bridge.c
+++ b/drivers/fpga/fpga-bridge.c
@@ -19,11 +19,6 @@ static struct class *fpga_bridge_class;
/* Lock for adding/removing bridges to linked lists*/
static spinlock_t bridge_list_lock;
-static int fpga_bridge_of_node_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
/**
* fpga_bridge_enable - Enable transactions on the bridge
*
@@ -104,8 +99,7 @@ struct fpga_bridge *of_fpga_bridge_get(struct device_node *np,
{
struct device *dev;
- dev = class_find_device(fpga_bridge_class, NULL, np,
- fpga_bridge_of_node_match);
+ dev = class_find_device_by_of_node(fpga_bridge_class, np);
if (!dev)
return ERR_PTR(-ENODEV);
diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c
index c3866816456a..e05104f5e40c 100644
--- a/drivers/fpga/fpga-mgr.c
+++ b/drivers/fpga/fpga-mgr.c
@@ -482,11 +482,6 @@ struct fpga_manager *fpga_mgr_get(struct device *dev)
}
EXPORT_SYMBOL_GPL(fpga_mgr_get);
-static int fpga_mgr_of_node_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
/**
* of_fpga_mgr_get - Given a device node, get a reference to a fpga mgr.
*
@@ -498,8 +493,7 @@ struct fpga_manager *of_fpga_mgr_get(struct device_node *node)
{
struct device *dev;
- dev = class_find_device(fpga_mgr_class, NULL, node,
- fpga_mgr_of_node_match);
+ dev = class_find_device_by_of_node(fpga_mgr_class, node);
if (!dev)
return ERR_PTR(-ENODEV);
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index ad19df0686c9..bd2498bbd74a 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -93,11 +93,6 @@ static struct bus_type mipi_dsi_bus_type = {
.pm = &mipi_dsi_device_pm_ops,
};
-static int of_device_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
/**
* of_find_mipi_dsi_device_by_node() - find the MIPI DSI device matching a
* device tree node
@@ -110,7 +105,7 @@ struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np)
{
struct device *dev;
- dev = bus_find_device(&mipi_dsi_bus_type, NULL, np, of_device_match);
+ dev = bus_find_device_by_of_node(&mipi_dsi_bus_type, np);
return dev ? to_mipi_dsi_device(dev) : NULL;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 58baf49d9926..badab94be2d6 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -242,9 +242,7 @@ static struct component_match *exynos_drm_match_add(struct device *dev)
if (!info->driver || !(info->flags & DRM_COMPONENT_DRIVER))
continue;
- while ((d = bus_find_device(&platform_bus_type, p,
- &info->driver->driver,
- (void *)platform_bus_type.match))) {
+ while ((d = platform_find_device_by_driver(p, &info->driver->driver))) {
put_device(p);
if (!(info->flags & DRM_FIMC_DEVICE) ||
@@ -412,9 +410,8 @@ static void exynos_drm_unregister_devices(void)
if (!info->driver || !(info->flags & DRM_VIRTUAL_DEVICE))
continue;
- while ((dev = bus_find_device(&platform_bus_type, NULL,
- &info->driver->driver,
- (void *)platform_bus_type.match))) {
+ while ((dev = platform_find_device_by_driver(NULL,
+ &info->driver->driver))) {
put_device(dev);
platform_device_unregister(to_platform_device(dev));
}
diff --git a/drivers/gpu/drm/mcde/mcde_drv.c b/drivers/gpu/drm/mcde/mcde_drv.c
index baf63fb6850a..c07abf9e201c 100644
--- a/drivers/gpu/drm/mcde/mcde_drv.c
+++ b/drivers/gpu/drm/mcde/mcde_drv.c
@@ -477,8 +477,7 @@ static int mcde_probe(struct platform_device *pdev)
struct device_driver *drv = &mcde_component_drivers[i]->driver;
struct device *p = NULL, *d;
- while ((d = bus_find_device(&platform_bus_type, p, drv,
- (void *)platform_bus_type.match))) {
+ while ((d = platform_find_device_by_driver(p, drv))) {
put_device(p);
component_match_add(dev, &match, mcde_compare_dev, d);
p = d;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index 53d2c5bd61dc..38dc26376961 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -330,8 +330,7 @@ static struct component_match *rockchip_drm_match_add(struct device *dev)
struct device *p = NULL, *d;
do {
- d = bus_find_device(&platform_bus_type, p, &drv->driver,
- (void *)platform_bus_type.match);
+ d = platform_find_device_by_driver(p, &drv->driver);
put_device(p);
p = d;
diff --git a/drivers/gpu/drm/vc4/vc4_drv.c b/drivers/gpu/drm/vc4/vc4_drv.c
index bf11930e40e1..1551c8253bec 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.c
+++ b/drivers/gpu/drm/vc4/vc4_drv.c
@@ -237,8 +237,7 @@ static void vc4_match_add_drivers(struct device *dev,
struct device_driver *drv = &drivers[i]->driver;
struct device *p = NULL, *d;
- while ((d = bus_find_device(&platform_bus_type, p, drv,
- (void *)platform_bus_type.match))) {
+ while ((d = platform_find_device_by_driver(p, drv))) {
put_device(p);
component_match_add(dev, match, compare_dev, d);
p = d;
diff --git a/drivers/hwtracing/coresight/coresight-platform.c b/drivers/hwtracing/coresight/coresight-platform.c
index dad7d96c5943..3c5bee429105 100644
--- a/drivers/hwtracing/coresight/coresight-platform.c
+++ b/drivers/hwtracing/coresight/coresight-platform.c
@@ -37,11 +37,6 @@ static int coresight_alloc_conns(struct device *dev,
return 0;
}
-int coresight_device_fwnode_match(struct device *dev, const void *fwnode)
-{
- return dev_fwnode(dev) == fwnode;
-}
-
static struct device *
coresight_find_device_by_fwnode(struct fwnode_handle *fwnode)
{
@@ -51,8 +46,7 @@ coresight_find_device_by_fwnode(struct fwnode_handle *fwnode)
* If we have a non-configurable replicator, it will be found on the
* platform bus.
*/
- dev = bus_find_device(&platform_bus_type, NULL,
- fwnode, coresight_device_fwnode_match);
+ dev = bus_find_device_by_fwnode(&platform_bus_type, fwnode);
if (dev)
return dev;
@@ -60,8 +54,7 @@ coresight_find_device_by_fwnode(struct fwnode_handle *fwnode)
* We have a configurable component - circle through the AMBA bus
* looking for the device that matches the endpoint node.
*/
- return bus_find_device(&amba_bustype, NULL,
- fwnode, coresight_device_fwnode_match);
+ return bus_find_device_by_fwnode(&amba_bustype, fwnode);
}
#ifdef CONFIG_OF
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index 7d401790dd7e..61d7f9ff054d 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -202,6 +202,4 @@ static inline void *coresight_get_uci_data(const struct amba_id *id)
void coresight_release_platform_data(struct coresight_platform_data *pdata);
-int coresight_device_fwnode_match(struct device *dev, const void *fwnode);
-
#endif
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c
index 55db77f6410b..6453c67a4d01 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -1046,9 +1046,7 @@ static void coresight_fixup_device_conns(struct coresight_device *csdev)
struct coresight_connection *conn = &csdev->pdata->conns[i];
struct device *dev = NULL;
- dev = bus_find_device(&coresight_bustype, NULL,
- (void *)conn->child_fwnode,
- coresight_device_fwnode_match);
+ dev = bus_find_device_by_fwnode(&coresight_bustype, conn->child_fwnode);
if (dev) {
conn->child_dev = to_coresight_device(dev);
/* and put reference from 'bus_find_device()' */
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index 55922896d862..d5c1821b31c6 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -789,12 +789,6 @@ static int intel_th_populate(struct intel_th *th)
return 0;
}
-static int match_devt(struct device *dev, const void *data)
-{
- dev_t devt = (dev_t)(unsigned long)(void *)data;
- return dev->devt == devt;
-}
-
static int intel_th_output_open(struct inode *inode, struct file *file)
{
const struct file_operations *fops;
@@ -802,9 +796,7 @@ static int intel_th_output_open(struct inode *inode, struct file *file)
struct device *dev;
int err;
- dev = bus_find_device(&intel_th_bus, NULL,
- (void *)(unsigned long)inode->i_rdev,
- match_devt);
+ dev = bus_find_device_by_devt(&intel_th_bus, inode->i_rdev);
if (!dev || !dev->driver)
return -ENODEV;
diff --git a/drivers/hwtracing/stm/core.c b/drivers/hwtracing/stm/core.c
index e55b902560de..2b6bd42632e8 100644
--- a/drivers/hwtracing/stm/core.c
+++ b/drivers/hwtracing/stm/core.c
@@ -89,13 +89,6 @@ static struct class stm_class = {
.dev_groups = stm_groups,
};
-static int stm_dev_match(struct device *dev, const void *data)
-{
- const char *name = data;
-
- return sysfs_streq(name, dev_name(dev));
-}
-
/**
* stm_find_device() - find stm device by name
* @buf: character buffer containing the name
@@ -116,7 +109,7 @@ struct stm_device *stm_find_device(const char *buf)
if (!stm_core_up)
return NULL;
- dev = class_find_device(&stm_class, NULL, buf, stm_dev_match);
+ dev = class_find_device_by_name(&stm_class, buf);
if (!dev)
return NULL;
diff --git a/drivers/i2c/busses/i2c-amd-mp2-pci.c b/drivers/i2c/busses/i2c-amd-mp2-pci.c
index c7fe3b44a860..5e4800d72e00 100644
--- a/drivers/i2c/busses/i2c-amd-mp2-pci.c
+++ b/drivers/i2c/busses/i2c-amd-mp2-pci.c
@@ -457,18 +457,12 @@ static struct pci_driver amd_mp2_pci_driver = {
};
module_pci_driver(amd_mp2_pci_driver);
-static int amd_mp2_device_match(struct device *dev, const void *data)
-{
- return 1;
-}
-
struct amd_mp2_dev *amd_mp2_find_device(void)
{
struct device *dev;
struct pci_dev *pci_dev;
- dev = driver_find_device(&amd_mp2_pci_driver.driver, NULL, NULL,
- amd_mp2_device_match);
+ dev = driver_find_next_device(&amd_mp2_pci_driver.driver, NULL);
if (!dev)
return NULL;
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index 4dbbc9a35f65..bc80aafb521f 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -354,17 +354,11 @@ static int i2c_acpi_find_match_adapter(struct device *dev, const void *data)
return ACPI_HANDLE(dev) == (acpi_handle)data;
}
-static int i2c_acpi_find_match_device(struct device *dev, const void *data)
-{
- return ACPI_COMPANION(dev) == data;
-}
struct i2c_adapter *i2c_acpi_find_adapter_by_handle(acpi_handle handle)
{
- struct device *dev;
+ struct device *dev = bus_find_device_by_acpi_dev(&i2c_bus_type, handle);
- dev = bus_find_device(&i2c_bus_type, NULL, handle,
- i2c_acpi_find_match_adapter);
return dev ? i2c_verify_adapter(dev) : NULL;
}
EXPORT_SYMBOL_GPL(i2c_acpi_find_adapter_by_handle);
@@ -373,8 +367,7 @@ static struct i2c_client *i2c_acpi_find_client_by_adev(struct acpi_device *adev)
{
struct device *dev;
- dev = bus_find_device(&i2c_bus_type, NULL, adev,
- i2c_acpi_find_match_device);
+ dev = bus_find_device_by_acpi_dev(&i2c_bus_type, adev);
return dev ? i2c_verify_client(dev) : NULL;
}
diff --git a/drivers/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c
index d1c48dec7118..6f632d543fcc 100644
--- a/drivers/i2c/i2c-core-of.c
+++ b/drivers/i2c/i2c-core-of.c
@@ -113,11 +113,6 @@ void of_i2c_register_devices(struct i2c_adapter *adap)
of_node_put(bus);
}
-static int of_dev_node_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
static int of_dev_or_parent_node_match(struct device *dev, const void *data)
{
if (dev->of_node == data)
@@ -135,7 +130,7 @@ struct i2c_client *of_find_i2c_device_by_node(struct device_node *node)
struct device *dev;
struct i2c_client *client;
- dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match);
+ dev = bus_find_device_by_of_node(&i2c_bus_type, node);
if (!dev)
return NULL;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 81e6dedb1e02..fa05e943038a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -4499,19 +4499,13 @@ static const struct acpi_device_id hns_roce_acpi_match[] = {
};
MODULE_DEVICE_TABLE(acpi, hns_roce_acpi_match);
-static int hns_roce_node_match(struct device *dev, const void *fwnode)
-{
- return dev->fwnode == fwnode;
-}
-
static struct
platform_device *hns_roce_find_pdev(struct fwnode_handle *fwnode)
{
struct device *dev;
/* get the 'device' corresponding to the matching 'fwnode' */
- dev = bus_find_device(&platform_bus_type, NULL,
- fwnode, hns_roce_node_match);
+ dev = bus_find_device_by_fwnode(&platform_bus_type, fwnode);
/* get the platform device */
return dev ? to_platform_device(dev) : NULL;
}
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index a9a9fabd3968..6f0e13fa5e1a 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2034,16 +2034,11 @@ arm_smmu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova)
static struct platform_driver arm_smmu_driver;
-static int arm_smmu_match_node(struct device *dev, const void *data)
-{
- return dev->fwnode == data;
-}
-
static
struct arm_smmu_device *arm_smmu_get_by_fwnode(struct fwnode_handle *fwnode)
{
- struct device *dev = driver_find_device(&arm_smmu_driver.driver, NULL,
- fwnode, arm_smmu_match_node);
+ struct device *dev = driver_find_device_by_fwnode(&arm_smmu_driver.driver,
+ fwnode);
put_device(dev);
return dev ? dev_get_drvdata(dev) : NULL;
}
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 64977c131ee6..aa06498f291d 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1426,16 +1426,11 @@ static bool arm_smmu_capable(enum iommu_cap cap)
}
}
-static int arm_smmu_match_node(struct device *dev, const void *data)
-{
- return dev->fwnode == data;
-}
-
static
struct arm_smmu_device *arm_smmu_get_by_fwnode(struct fwnode_handle *fwnode)
{
- struct device *dev = driver_find_device(&arm_smmu_driver.driver, NULL,
- fwnode, arm_smmu_match_node);
+ struct device *dev = driver_find_device_by_fwnode(&arm_smmu_driver.driver,
+ fwnode);
put_device(dev);
return dev ? dev_get_drvdata(dev) : NULL;
}
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 508d6477d0b8..d231240c2047 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -214,13 +214,6 @@ static int led_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(leds_class_dev_pm_ops, led_suspend, led_resume);
-static int match_name(struct device *dev, const void *data)
-{
- if (!dev_name(dev))
- return 0;
- return !strcmp(dev_name(dev), (char *)data);
-}
-
static int led_classdev_next_name(const char *init_name, char *name,
size_t len)
{
@@ -231,7 +224,7 @@ static int led_classdev_next_name(const char *init_name, char *name,
strlcpy(name, init_name, len);
while ((ret < len) &&
- (dev = class_find_device(leds_class, NULL, name, match_name))) {
+ (dev = class_find_device_by_name(leds_class, name))) {
put_device(dev);
ret = snprintf(name, len, "%s_%u", init_name, ++i);
}
diff --git a/drivers/mfd/altera-sysmgr.c b/drivers/mfd/altera-sysmgr.c
index 2ee14d8a6d31..d2a13a547a3c 100644
--- a/drivers/mfd/altera-sysmgr.c
+++ b/drivers/mfd/altera-sysmgr.c
@@ -88,16 +88,6 @@ static struct regmap_config altr_sysmgr_regmap_cfg = {
};
/**
- * sysmgr_match_phandle
- * Matching function used by driver_find_device().
- * Return: True if match is found, otherwise false.
- */
-static int sysmgr_match_phandle(struct device *dev, const void *data)
-{
- return dev->of_node == (const struct device_node *)data;
-}
-
-/**
* altr_sysmgr_regmap_lookup_by_phandle
* Find the sysmgr previous configured in probe() and return regmap property.
* Return: regmap if found or error if not found.
@@ -117,8 +107,8 @@ struct regmap *altr_sysmgr_regmap_lookup_by_phandle(struct device_node *np,
if (!sysmgr_np)
return ERR_PTR(-ENODEV);
- dev = driver_find_device(&altr_sysmgr_driver.driver, NULL,
- (void *)sysmgr_np, sysmgr_match_phandle);
+ dev = driver_find_device_by_of_node(&altr_sysmgr_driver.driver,
+ (void *)sysmgr_np);
of_node_put(sysmgr_np);
if (!dev)
return ERR_PTR(-EPROBE_DEFER);
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index f894d1f8a53e..7310b476323c 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -858,13 +858,6 @@ static ssize_t dev_state_show(struct device *device,
}
static DEVICE_ATTR_RO(dev_state);
-static int match_devt(struct device *dev, const void *data)
-{
- const dev_t *devt = data;
-
- return dev->devt == *devt;
-}
-
/**
* dev_set_devstate: set to new device state and notify sysfs file.
*
@@ -880,7 +873,7 @@ void mei_set_devstate(struct mei_device *dev, enum mei_dev_state state)
dev->dev_state = state;
- clsdev = class_find_device(mei_class, NULL, &dev->cdev.dev, match_devt);
+ clsdev = class_find_device_by_devt(mei_class, dev->cdev.dev);
if (clsdev) {
sysfs_notify(&clsdev->kobj, NULL, "dev_state");
put_device(clsdev);
diff --git a/drivers/mux/core.c b/drivers/mux/core.c
index d1271c1ee23c..1fb22388e7e0 100644
--- a/drivers/mux/core.c
+++ b/drivers/mux/core.c
@@ -405,17 +405,12 @@ int mux_control_deselect(struct mux_control *mux)
}
EXPORT_SYMBOL_GPL(mux_control_deselect);
-static int of_dev_node_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
/* Note this function returns a reference to the mux_chip dev. */
static struct mux_chip *of_find_mux_chip_by_node(struct device_node *np)
{
struct device *dev;
- dev = class_find_device(&mux_class, NULL, np, of_dev_node_match);
+ dev = class_find_device_by_of_node(&mux_class, np);
return dev ? to_mux_chip(dev) : NULL;
}
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
index bb6586d0e5af..ed3829ae4ef1 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c
@@ -754,17 +754,11 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev)
return (void *)misc_op;
}
-static int hns_dsaf_dev_match(struct device *dev, const void *fwnode)
-{
- return dev->fwnode == fwnode;
-}
-
struct
platform_device *hns_dsaf_find_platform_device(struct fwnode_handle *fwnode)
{
struct device *dev;
- dev = bus_find_device(&platform_bus_type, NULL,
- fwnode, hns_dsaf_dev_match);
+ dev = bus_find_device_by_fwnode(&platform_bus_type, fwnode);
return dev ? to_platform_device(dev) : NULL;
}
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index bd04fe762056..ce940871331e 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -262,11 +262,6 @@ static struct class mdio_bus_class = {
};
#if IS_ENABLED(CONFIG_OF_MDIO)
-/* Helper function for of_mdio_find_bus */
-static int of_mdio_bus_match(struct device *dev, const void *mdio_bus_np)
-{
- return dev->of_node == mdio_bus_np;
-}
/**
* of_mdio_find_bus - Given an mii_bus node, find the mii_bus.
* @mdio_bus_np: Pointer to the mii_bus.
@@ -287,9 +282,7 @@ struct mii_bus *of_mdio_find_bus(struct device_node *mdio_bus_np)
if (!mdio_bus_np)
return NULL;
- d = class_find_device(&mdio_bus_class, NULL, mdio_bus_np,
- of_mdio_bus_match);
-
+ d = class_find_device_by_of_node(&mdio_bus_class, mdio_bus_np);
return d ? to_mii_bus(d) : NULL;
}
EXPORT_SYMBOL(of_mdio_find_bus);
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index ac5d945be88a..057d1ff87d5d 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -76,11 +76,6 @@ static struct bus_type nvmem_bus_type = {
.name = "nvmem",
};
-static int of_nvmem_match(struct device *dev, const void *nvmem_np)
-{
- return dev->of_node == nvmem_np;
-}
-
static struct nvmem_device *of_nvmem_find(struct device_node *nvmem_np)
{
struct device *d;
@@ -88,7 +83,7 @@ static struct nvmem_device *of_nvmem_find(struct device_node *nvmem_np)
if (!nvmem_np)
return NULL;
- d = bus_find_device(&nvmem_bus_type, NULL, nvmem_np, of_nvmem_match);
+ d = bus_find_device_by_of_node(&nvmem_bus_type, nvmem_np);
if (!d)
return NULL;
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 44f53496cab1..000b95787df1 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -280,12 +280,6 @@ unregister:
}
EXPORT_SYMBOL(of_mdiobus_register);
-/* Helper function for of_phy_find_device */
-static int of_phy_match(struct device *dev, const void *phy_np)
-{
- return dev->of_node == phy_np;
-}
-
/**
* of_phy_find_device - Give a PHY node, find the phy_device
* @phy_np: Pointer to the phy's device tree node
@@ -301,7 +295,7 @@ struct phy_device *of_phy_find_device(struct device_node *phy_np)
if (!phy_np)
return NULL;
- d = bus_find_device(&mdio_bus_type, NULL, phy_np, of_phy_match);
+ d = bus_find_device_by_of_node(&mdio_bus_type, phy_np);
if (d) {
mdiodev = to_mdio_device(d);
if (mdiodev->flags & MDIO_DEVICE_FLAG_PHY)
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 7801e25e6895..b47a2292fe8e 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -37,11 +37,6 @@ static const struct of_device_id of_skipped_node_table[] = {
{} /* Empty terminated list */
};
-static int of_dev_node_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
/**
* of_find_device_by_node - Find the platform_device associated with a node
* @np: Pointer to device tree node
@@ -55,7 +50,7 @@ struct platform_device *of_find_device_by_node(struct device_node *np)
{
struct device *dev;
- dev = bus_find_device(&platform_bus_type, NULL, np, of_dev_node_match);
+ dev = bus_find_device_by_of_node(&platform_bus_type, np);
return dev ? to_platform_device(dev) : NULL;
}
EXPORT_SYMBOL(of_find_device_by_node);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index a3c7338fad86..dbeeb385fb9f 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -64,11 +64,6 @@ static struct resource *get_pci_domain_busn_res(int domain_nr)
return &r->res;
}
-static int find_anything(struct device *dev, const void *data)
-{
- return 1;
-}
-
/*
* Some device drivers need know if PCI is initiated.
* Basically, we think PCI is not initiated when there
@@ -79,7 +74,7 @@ int no_pci_devices(void)
struct device *dev;
int no_devices;
- dev = bus_find_device(&pci_bus_type, NULL, NULL, find_anything);
+ dev = bus_find_next_device(&pci_bus_type, NULL);
no_devices = (dev == NULL);
put_device(dev);
return no_devices;
diff --git a/drivers/regulator/of_regulator.c b/drivers/regulator/of_regulator.c
index 397918ebba55..20dcc9c03adc 100644
--- a/drivers/regulator/of_regulator.c
+++ b/drivers/regulator/of_regulator.c
@@ -460,16 +460,11 @@ error:
return NULL;
}
-static int of_node_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
struct regulator_dev *of_find_regulator_by_node(struct device_node *np)
{
struct device *dev;
- dev = class_find_device(&regulator_class, NULL, np, of_node_match);
+ dev = class_find_device_by_of_node(&regulator_class, np);
return dev ? dev_to_rdev(dev) : NULL;
}
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 72b7ddc43116..c93ef33b01d3 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -663,21 +663,12 @@ void rtc_update_irq(struct rtc_device *rtc,
}
EXPORT_SYMBOL_GPL(rtc_update_irq);
-static int __rtc_match(struct device *dev, const void *data)
-{
- const char *name = data;
-
- if (strcmp(dev_name(dev), name) == 0)
- return 1;
- return 0;
-}
-
struct rtc_device *rtc_class_open(const char *name)
{
struct device *dev;
struct rtc_device *rtc = NULL;
- dev = class_find_device(rtc_class, NULL, name, __rtc_match);
+ dev = class_find_device_by_name(rtc_class, name);
if (dev)
rtc = to_rtc_device(dev);
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index c522e9313c50..0005ec9285aa 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -581,11 +581,6 @@ int ccwgroup_driver_register(struct ccwgroup_driver *cdriver)
}
EXPORT_SYMBOL(ccwgroup_driver_register);
-static int __ccwgroup_match_all(struct device *dev, const void *data)
-{
- return 1;
-}
-
/**
* ccwgroup_driver_unregister() - deregister a ccw group driver
* @cdriver: driver to be deregistered
@@ -597,8 +592,7 @@ void ccwgroup_driver_unregister(struct ccwgroup_driver *cdriver)
struct device *dev;
/* We don't want ccwgroup devices to live longer than their driver. */
- while ((dev = driver_find_device(&cdriver->driver, NULL, NULL,
- __ccwgroup_match_all))) {
+ while ((dev = driver_find_next_device(&cdriver->driver, NULL))) {
struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
ccwgroup_ungroup(gdev);
@@ -608,13 +602,6 @@ void ccwgroup_driver_unregister(struct ccwgroup_driver *cdriver)
}
EXPORT_SYMBOL(ccwgroup_driver_unregister);
-static int __ccwgroupdev_check_busid(struct device *dev, const void *id)
-{
- const char *bus_id = id;
-
- return (strcmp(bus_id, dev_name(dev)) == 0);
-}
-
/**
* get_ccwgroupdev_by_busid() - obtain device from a bus id
* @gdrv: driver the device is owned by
@@ -631,8 +618,7 @@ struct ccwgroup_device *get_ccwgroupdev_by_busid(struct ccwgroup_driver *gdrv,
{
struct device *dev;
- dev = driver_find_device(&gdrv->driver, NULL, bus_id,
- __ccwgroupdev_check_busid);
+ dev = driver_find_device_by_name(&gdrv->driver, bus_id);
return dev ? to_ccwgroupdev(dev) : NULL;
}
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index c421899be20f..131430bd48d9 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1695,18 +1695,6 @@ int ccw_device_force_console(struct ccw_device *cdev)
EXPORT_SYMBOL_GPL(ccw_device_force_console);
#endif
-/*
- * get ccw_device matching the busid, but only if owned by cdrv
- */
-static int
-__ccwdev_check_busid(struct device *dev, const void *id)
-{
- const char *bus_id = id;
-
- return (strcmp(bus_id, dev_name(dev)) == 0);
-}
-
-
/**
* get_ccwdev_by_busid() - obtain device from a bus id
* @cdrv: driver the device is owned by
@@ -1723,8 +1711,7 @@ struct ccw_device *get_ccwdev_by_busid(struct ccw_driver *cdrv,
{
struct device *dev;
- dev = driver_find_device(&cdrv->driver, NULL, (void *)bus_id,
- __ccwdev_check_busid);
+ dev = driver_find_device_by_name(&cdrv->driver, bus_id);
return dev ? to_ccwdev(dev) : NULL;
}
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 1058b4b5cc1e..150f6236c9bb 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -133,18 +133,6 @@ struct zcdn_device {
static int zcdn_create(const char *name);
static int zcdn_destroy(const char *name);
-/* helper function, matches the name for find_zcdndev_by_name() */
-static int __match_zcdn_name(struct device *dev, const void *data)
-{
- return strcmp(dev_name(dev), (const char *)data) == 0;
-}
-
-/* helper function, matches the devt value for find_zcdndev_by_devt() */
-static int __match_zcdn_devt(struct device *dev, const void *data)
-{
- return dev->devt == *((dev_t *) data);
-}
-
/*
* Find zcdn device by name.
* Returns reference to the zcdn device which needs to be released
@@ -152,10 +140,7 @@ static int __match_zcdn_devt(struct device *dev, const void *data)
*/
static inline struct zcdn_device *find_zcdndev_by_name(const char *name)
{
- struct device *dev =
- class_find_device(zcrypt_class, NULL,
- (void *) name,
- __match_zcdn_name);
+ struct device *dev = class_find_device_by_name(zcrypt_class, name);
return dev ? to_zcdn_dev(dev) : NULL;
}
@@ -167,10 +152,7 @@ static inline struct zcdn_device *find_zcdndev_by_name(const char *name)
*/
static inline struct zcdn_device *find_zcdndev_by_devt(dev_t devt)
{
- struct device *dev =
- class_find_device(zcrypt_class, NULL,
- (void *) &devt,
- __match_zcdn_devt);
+ struct device *dev = class_find_device_by_devt(zcrypt_class, devt);
return dev ? to_zcdn_dev(dev) : NULL;
}
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index c074631086a4..5b313226f11c 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -372,15 +372,10 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf,
return err;
}
-static int always_match(struct device *dev, const void *data)
-{
- return 1;
-}
-
static inline struct device *next_scsi_device(struct device *start)
{
- struct device *next = bus_find_device(&scsi_bus_type, start, NULL,
- always_match);
+ struct device *next = bus_find_next_device(&scsi_bus_type, start);
+
put_device(start);
return next;
}
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 75ac046cae52..c486a6f84c2c 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -3652,37 +3652,25 @@ EXPORT_SYMBOL_GPL(spi_write_then_read);
/*-------------------------------------------------------------------------*/
#if IS_ENABLED(CONFIG_OF)
-static int __spi_of_device_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
/* must call put_device() when done with returned spi_device device */
struct spi_device *of_find_spi_device_by_node(struct device_node *node)
{
- struct device *dev = bus_find_device(&spi_bus_type, NULL, node,
- __spi_of_device_match);
+ struct device *dev = bus_find_device_by_of_node(&spi_bus_type, node);
+
return dev ? to_spi_device(dev) : NULL;
}
EXPORT_SYMBOL_GPL(of_find_spi_device_by_node);
#endif /* IS_ENABLED(CONFIG_OF) */
#if IS_ENABLED(CONFIG_OF_DYNAMIC)
-static int __spi_of_controller_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
/* the spi controllers are not using spi_bus, so we find it with another way */
static struct spi_controller *of_find_spi_controller_by_node(struct device_node *node)
{
struct device *dev;
- dev = class_find_device(&spi_master_class, NULL, node,
- __spi_of_controller_match);
+ dev = class_find_device_by_of_node(&spi_master_class, node);
if (!dev && IS_ENABLED(CONFIG_SPI_SLAVE))
- dev = class_find_device(&spi_slave_class, NULL, node,
- __spi_of_controller_match);
+ dev = class_find_device_by_of_node(&spi_slave_class, node);
if (!dev)
return NULL;
@@ -3753,11 +3741,6 @@ static int spi_acpi_controller_match(struct device *dev, const void *data)
return ACPI_COMPANION(dev->parent) == data;
}
-static int spi_acpi_device_match(struct device *dev, const void *data)
-{
- return ACPI_COMPANION(dev) == data;
-}
-
static struct spi_controller *acpi_spi_find_controller_by_adev(struct acpi_device *adev)
{
struct device *dev;
@@ -3777,8 +3760,7 @@ static struct spi_device *acpi_spi_find_device_by_adev(struct acpi_device *adev)
{
struct device *dev;
- dev = bus_find_device(&spi_bus_type, NULL, adev, spi_acpi_device_match);
-
+ dev = bus_find_device_by_acpi_dev(&spi_bus_type, adev);
return dev ? to_spi_device(dev) : NULL;
}
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 566728fbaf3c..802c1210558f 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2952,17 +2952,11 @@ void do_SAK(struct tty_struct *tty)
EXPORT_SYMBOL(do_SAK);
-static int dev_match_devt(struct device *dev, const void *data)
-{
- const dev_t *devt = data;
- return dev->devt == *devt;
-}
-
/* Must put_device() after it's unused! */
static struct device *tty_get_device(struct tty_struct *tty)
{
dev_t devt = tty_devnum(tty);
- return class_find_device(tty_class, NULL, &devt, dev_match_devt);
+ return class_find_device_by_devt(tty_class, devt);
}
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index b265ab5405f9..60268aee93a8 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -942,17 +942,11 @@ error:
return ret;
}
-static int match_devt(struct device *dev, const void *data)
-{
- return dev->devt == (dev_t)(unsigned long)(void *)data;
-}
-
static struct usb_device *usbdev_lookup_by_devt(dev_t devt)
{
struct device *dev;
- dev = bus_find_device(&usb_bus_type, NULL,
- (void *) (unsigned long) devt, match_devt);
+ dev = bus_find_device_by_devt(&usb_bus_type, devt);
if (!dev)
return NULL;
return to_usb_device(dev);
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index 86defca6623e..0526efbc4922 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -85,16 +85,6 @@ enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
}
EXPORT_SYMBOL_GPL(usb_role_switch_get_role);
-static int switch_fwnode_match(struct device *dev, const void *fwnode)
-{
- return dev_fwnode(dev) == fwnode;
-}
-
-static int switch_name_match(struct device *dev, const void *name)
-{
- return !strcmp((const char *)name, dev_name(dev));
-}
-
static void *usb_role_switch_match(struct device_connection *con, int ep,
void *data)
{
@@ -104,11 +94,9 @@ static void *usb_role_switch_match(struct device_connection *con, int ep,
if (con->id && !fwnode_property_present(con->fwnode, con->id))
return NULL;
- dev = class_find_device(role_class, NULL, con->fwnode,
- switch_fwnode_match);
+ dev = class_find_device_by_fwnode(role_class, con->fwnode);
} else {
- dev = class_find_device(role_class, NULL, con->endpoint[ep],
- switch_name_match);
+ dev = class_find_device_by_name(role_class, con->endpoint[ep]);
}
return dev ? to_role_switch(dev) : ERR_PTR(-EPROBE_DEFER);
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index a18285a990a8..94a3eda62add 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -205,16 +205,6 @@ static void typec_altmode_put_partner(struct altmode *altmode)
put_device(&adev->dev);
}
-static int typec_port_fwnode_match(struct device *dev, const void *fwnode)
-{
- return dev_fwnode(dev) == fwnode;
-}
-
-static int typec_port_name_match(struct device *dev, const void *name)
-{
- return !strcmp((const char *)name, dev_name(dev));
-}
-
static void *typec_port_match(struct device_connection *con, int ep, void *data)
{
struct device *dev;
@@ -224,11 +214,9 @@ static void *typec_port_match(struct device_connection *con, int ep, void *data)
* we need to return ERR_PTR(-PROBE_DEFER) when there is no device.
*/
if (con->fwnode)
- return class_find_device(typec_class, NULL, con->fwnode,
- typec_port_fwnode_match);
+ return class_find_device_by_fwnode(typec_class, con->fwnode);
- dev = class_find_device(typec_class, NULL, con->endpoint[ep],
- typec_port_name_match);
+ dev = class_find_device_by_name(typec_class, con->endpoint[ep]);
return dev ? dev : ERR_PTR(-EPROBE_DEFER);
}
diff --git a/include/linux/device.h b/include/linux/device.h
index c330b75c6c57..8ae3f4b47293 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -164,16 +164,100 @@ void subsys_dev_iter_init(struct subsys_dev_iter *iter,
struct device *subsys_dev_iter_next(struct subsys_dev_iter *iter);
void subsys_dev_iter_exit(struct subsys_dev_iter *iter);
+int device_match_name(struct device *dev, const void *name);
int device_match_of_node(struct device *dev, const void *np);
+int device_match_fwnode(struct device *dev, const void *fwnode);
+int device_match_devt(struct device *dev, const void *pdevt);
+int device_match_acpi_dev(struct device *dev, const void *adev);
+int device_match_any(struct device *dev, const void *unused);
int bus_for_each_dev(struct bus_type *bus, struct device *start, void *data,
int (*fn)(struct device *dev, void *data));
struct device *bus_find_device(struct bus_type *bus, struct device *start,
const void *data,
int (*match)(struct device *dev, const void *data));
-struct device *bus_find_device_by_name(struct bus_type *bus,
- struct device *start,
- const char *name);
+/**
+ * bus_find_device_by_name - device iterator for locating a particular device
+ * of a specific name.
+ * @bus: bus type
+ * @start: Device to begin with
+ * @name: name of the device to match
+ */
+static inline struct device *bus_find_device_by_name(struct bus_type *bus,
+ struct device *start,
+ const char *name)
+{
+ return bus_find_device(bus, start, name, device_match_name);
+}
+
+/**
+ * bus_find_device_by_of_node : device iterator for locating a particular device
+ * matching the of_node.
+ * @bus: bus type
+ * @np: of_node of the device to match.
+ */
+static inline struct device *
+bus_find_device_by_of_node(struct bus_type *bus, const struct device_node *np)
+{
+ return bus_find_device(bus, NULL, np, device_match_of_node);
+}
+
+/**
+ * bus_find_device_by_fwnode : device iterator for locating a particular device
+ * matching the fwnode.
+ * @bus: bus type
+ * @fwnode: fwnode of the device to match.
+ */
+static inline struct device *
+bus_find_device_by_fwnode(struct bus_type *bus, const struct fwnode_handle *fwnode)
+{
+ return bus_find_device(bus, NULL, fwnode, device_match_fwnode);
+}
+
+/**
+ * bus_find_device_by_devt : device iterator for locating a particular device
+ * matching the device type.
+ * @bus: bus type
+ * @devt: device type of the device to match.
+ */
+static inline struct device *bus_find_device_by_devt(struct bus_type *bus,
+ dev_t devt)
+{
+ return bus_find_device(bus, NULL, &devt, device_match_devt);
+}
+
+/**
+ * bus_find_next_device - Find the next device after a given device in a
+ * given bus.
+ */
+static inline struct device *
+bus_find_next_device(struct bus_type *bus,struct device *cur)
+{
+ return bus_find_device(bus, cur, NULL, device_match_any);
+}
+
+#ifdef CONFIG_ACPI
+struct acpi_device;
+
+/**
+ * bus_find_device_by_acpi_dev : device iterator for locating a particular device
+ * matching the ACPI COMPANION device.
+ * @bus: bus type
+ * @adev: ACPI COMPANION device to match.
+ */
+static inline struct device *
+bus_find_device_by_acpi_dev(struct bus_type *bus, const struct acpi_device *adev)
+{
+ return bus_find_device(bus, NULL, adev, device_match_acpi_dev);
+}
+#else
+static inline struct device *
+bus_find_device_by_acpi_dev(struct bus_type *bus, const void *adev)
+{
+ return NULL;
+}
+#endif
+
struct device *subsys_find_device_by_id(struct bus_type *bus, unsigned int id,
struct device *hint);
int bus_for_each_drv(struct bus_type *bus, struct device_driver *start,
@@ -342,6 +426,83 @@ struct device *driver_find_device(struct device_driver *drv,
struct device *start, const void *data,
int (*match)(struct device *dev, const void *data));
+/**
+ * driver_find_device_by_name - device iterator for locating a particular device
+ * of a specific name.
+ * @driver: the driver we're iterating
+ * @name: name of the device to match
+ */
+static inline struct device *driver_find_device_by_name(struct device_driver *drv,
+ const char *name)
+{
+ return driver_find_device(drv, NULL, name, device_match_name);
+}
+
+/**
+ * driver_find_device_by_of_node- device iterator for locating a particular device
+ * by of_node pointer.
+ * @driver: the driver we're iterating
+ * @np: of_node pointer to match.
+ */
+static inline struct device *
+driver_find_device_by_of_node(struct device_driver *drv,
+ const struct device_node *np)
+{
+ return driver_find_device(drv, NULL, np, device_match_of_node);
+}
+
+/**
+ * driver_find_device_by_fwnode- device iterator for locating a particular device
+ * by fwnode pointer.
+ * @driver: the driver we're iterating
+ * @fwnode: fwnode pointer to match.
+ */
+static inline struct device *
+driver_find_device_by_fwnode(struct device_driver *drv,
+ const struct fwnode_handle *fwnode)
+{
+ return driver_find_device(drv, NULL, fwnode, device_match_fwnode);
+}
+
+/**
+ * driver_find_device_by_devt- device iterator for locating a particular device
+ * by devt.
+ * @driver: the driver we're iterating
+ * @devt: devt pointer to match.
+ */
+static inline struct device *driver_find_device_by_devt(struct device_driver *drv,
+ dev_t devt)
+{
+ return driver_find_device(drv, NULL, &devt, device_match_devt);
+}
+
+static inline struct device *driver_find_next_device(struct device_driver *drv,
+ struct device *start)
+{
+ return driver_find_device(drv, start, NULL, device_match_any);
+}
+
+#ifdef CONFIG_ACPI
+/**
+ * driver_find_device_by_acpi_dev : device iterator for locating a particular
+ * device matching the ACPI_COMPANION device.
+ * @driver: the driver we're iterating
+ * @adev: ACPI_COMPANION device to match.
+ */
+static inline struct device *
+driver_find_device_by_acpi_dev(struct device_driver *drv,
+ const struct acpi_device *adev)
+{
+ return driver_find_device(drv, NULL, adev, device_match_acpi_dev);
+}
+#else
+static inline struct device *
+driver_find_device_by_acpi_dev(struct device_driver *drv, const void *adev)
+{
+ return NULL;
+}
+#endif
+
void driver_deferred_probe_add(struct device *dev);
int driver_deferred_probe_check_state(struct device *dev);
int driver_deferred_probe_check_state_continue(struct device *dev);
@@ -471,6 +632,76 @@ extern struct device *class_find_device(struct class *class,
struct device *start, const void *data,
int (*match)(struct device *, const void *));
+/**
+ * class_find_device_by_name - device iterator for locating a particular device
+ * of a specific name.
+ * @class: class type
+ * @name: name of the device to match
+ */
+static inline struct device *class_find_device_by_name(struct class *class,
+ const char *name)
+{
+ return class_find_device(class, NULL, name, device_match_name);
+}
+
+/**
+ * class_find_device_by_of_node : device iterator for locating a particular device
+ * matching the of_node.
+ * @class: class type
+ * @np: of_node of the device to match.
+ */
+static inline struct device *
+class_find_device_by_of_node(struct class *class, const struct device_node *np)
+{
+ return class_find_device(class, NULL, np, device_match_of_node);
+}
+
+/**
+ * class_find_device_by_fwnode : device iterator for locating a particular device
+ * matching the fwnode.
+ * @class: class type
+ * @fwnode: fwnode of the device to match.
+ */
+static inline struct device *
+class_find_device_by_fwnode(struct class *class,
+ const struct fwnode_handle *fwnode)
+{
+ return class_find_device(class, NULL, fwnode, device_match_fwnode);
+}
+
+/**
+ * class_find_device_by_devt : device iterator for locating a particular device
+ * matching the device type.
+ * @class: class type
+ * @devt: device type of the device to match.
+ */
+static inline struct device *class_find_device_by_devt(struct class *class,
+ dev_t devt)
+{
+ return class_find_device(class, NULL, &devt, device_match_devt);
+}
+
+#ifdef CONFIG_ACPI
+struct acpi_device;
+/**
+ * class_find_device_by_acpi_dev : device iterator for locating a particular
+ * device matching the ACPI_COMPANION device.
+ * @class: class type
+ * @adev: ACPI_COMPANION device to match.
+ */
+static inline struct device *
+class_find_device_by_acpi_dev(struct class *class, const struct acpi_device *adev)
+{
+ return class_find_device(class, NULL, adev, device_match_acpi_dev);
+}
+#else
+static inline struct device *
+class_find_device_by_acpi_dev(struct class *class, const void *adev)
+{
+ return NULL;
+}
+#endif
+
struct class_attribute {
struct attribute attr;
ssize_t (*show)(struct class *class, struct class_attribute *attr,
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 9bc36b589827..37e15a935a42 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -51,6 +51,9 @@ extern struct device platform_bus;
extern void arch_setup_pdev_archdata(struct platform_device *);
extern struct resource *platform_get_resource(struct platform_device *,
unsigned int, unsigned int);
+extern struct device *
+platform_find_device_by_driver(struct device *start,
+ const struct device_driver *drv);
extern void __iomem *
devm_platform_ioremap_resource(struct platform_device *pdev,
unsigned int index);
diff --git a/net/ieee802154/core.c b/net/ieee802154/core.c
index 60b7ac56a1f5..de259b5170ab 100644
--- a/net/ieee802154/core.c
+++ b/net/ieee802154/core.c
@@ -23,11 +23,6 @@
LIST_HEAD(cfg802154_rdev_list);
int cfg802154_rdev_list_generation;
-static int wpan_phy_match(struct device *dev, const void *data)
-{
- return !strcmp(dev_name(dev), (const char *)data);
-}
-
struct wpan_phy *wpan_phy_find(const char *str)
{
struct device *dev;
@@ -35,7 +30,7 @@ struct wpan_phy *wpan_phy_find(const char *str)
if (WARN_ON(!str))
return NULL;
- dev = class_find_device(&wpan_phy_class, NULL, str, wpan_phy_match);
+ dev = class_find_device_by_name(&wpan_phy_class, str);
if (!dev)
return NULL;
diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c
index c16b0ffe8cfc..d951100bf770 100644
--- a/sound/soc/rockchip/rk3399_gru_sound.c
+++ b/sound/soc/rockchip/rk3399_gru_sound.c
@@ -422,11 +422,6 @@ static const struct dailink_match_data dailink_match[] = {
},
};
-static int of_dev_node_match(struct device *dev, const void *data)
-{
- return dev->of_node == data;
-}
-
static int rockchip_sound_codec_node_match(struct device_node *np_codec)
{
struct device *dev;
@@ -438,8 +433,8 @@ static int rockchip_sound_codec_node_match(struct device_node *np_codec)
continue;
if (dailink_match[i].bus_type) {
- dev = bus_find_device(dailink_match[i].bus_type, NULL,
- np_codec, of_dev_node_match);
+ dev = bus_find_device_by_of_node(dailink_match[i].bus_type,
+ np_codec);
if (!dev)
continue;
put_device(dev);