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-rw-r--r--Documentation/trace/coresight/coresight.rst2
-rw-r--r--drivers/base/devcoredump.c3
-rw-r--r--drivers/greybus/Kconfig1
-rw-r--r--drivers/hwtracing/coresight/coresight-etm-perf.c4
-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x-core.c6
-rw-r--r--drivers/hwtracing/coresight/ultrasoc-smb.c58
-rw-r--r--drivers/hwtracing/coresight/ultrasoc-smb.h6
-rw-r--r--drivers/hwtracing/ptt/hisi_ptt.c14
-rw-r--r--drivers/misc/mei/client.c4
-rw-r--r--drivers/misc/mei/pxp/mei_pxp.c3
-rw-r--r--drivers/nvmem/core.c6
-rw-r--r--drivers/parport/parport_pc.c21
-rw-r--r--fs/debugfs/file.c10
-rw-r--r--fs/debugfs/inode.c7
-rw-r--r--fs/debugfs/internal.h6
-rw-r--r--tools/testing/nvdimm/test/ndtest.c2
16 files changed, 79 insertions, 74 deletions
diff --git a/Documentation/trace/coresight/coresight.rst b/Documentation/trace/coresight/coresight.rst
index 4a71ea6cb390..826e59a698da 100644
--- a/Documentation/trace/coresight/coresight.rst
+++ b/Documentation/trace/coresight/coresight.rst
@@ -130,7 +130,7 @@ Misc:
Device Tree Bindings
--------------------
-See Documentation/devicetree/bindings/arm/arm,coresight-\*.yaml for details.
+See ``Documentation/devicetree/bindings/arm/arm,coresight-*.yaml`` for details.
As of this writing drivers for ITM, STMs and CTIs are not provided but are
expected to be added as the solution matures.
diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c
index 91536ee05f14..7e2d1f0d903a 100644
--- a/drivers/base/devcoredump.c
+++ b/drivers/base/devcoredump.c
@@ -362,6 +362,7 @@ void dev_coredumpm(struct device *dev, struct module *owner,
devcd->devcd_dev.class = &devcd_class;
mutex_lock(&devcd->mutex);
+ dev_set_uevent_suppress(&devcd->devcd_dev, true);
if (device_add(&devcd->devcd_dev))
goto put_device;
@@ -376,6 +377,8 @@ void dev_coredumpm(struct device *dev, struct module *owner,
"devcoredump"))
dev_warn(dev, "devcoredump create_link failed\n");
+ dev_set_uevent_suppress(&devcd->devcd_dev, false);
+ kobject_uevent(&devcd->devcd_dev.kobj, KOBJ_ADD);
INIT_DELAYED_WORK(&devcd->del_wk, devcd_del);
schedule_delayed_work(&devcd->del_wk, DEVCD_TIMEOUT);
mutex_unlock(&devcd->mutex);
diff --git a/drivers/greybus/Kconfig b/drivers/greybus/Kconfig
index 033d31dbf3b8..ab81ceceb337 100644
--- a/drivers/greybus/Kconfig
+++ b/drivers/greybus/Kconfig
@@ -20,6 +20,7 @@ if GREYBUS
config GREYBUS_BEAGLEPLAY
tristate "Greybus BeaglePlay driver"
depends on SERIAL_DEV_BUS
+ select CRC_CCITT
help
Select this option if you have a BeaglePlay where CC1352
co-processor acts as Greybus SVC.
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index 5ca6278baff4..89e8ed214ea4 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -493,7 +493,7 @@ static void etm_event_start(struct perf_event *event, int flags)
goto fail_end_stop;
/* Finally enable the tracer */
- if (coresight_enable_source(csdev, CS_MODE_PERF, event))
+ if (source_ops(csdev)->enable(csdev, event, CS_MODE_PERF))
goto fail_disable_path;
/*
@@ -587,7 +587,7 @@ static void etm_event_stop(struct perf_event *event, int mode)
return;
/* stop tracer */
- coresight_disable_source(csdev, event);
+ source_ops(csdev)->disable(csdev, event);
/* tell the core */
event->hw.state = PERF_HES_STOPPED;
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 77b0271ce6eb..34aee59dd147 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -2224,7 +2224,7 @@ static void clear_etmdrvdata(void *info)
per_cpu(delayed_probe, cpu) = NULL;
}
-static void __exit etm4_remove_dev(struct etmv4_drvdata *drvdata)
+static void etm4_remove_dev(struct etmv4_drvdata *drvdata)
{
bool had_delayed_probe;
/*
@@ -2253,7 +2253,7 @@ static void __exit etm4_remove_dev(struct etmv4_drvdata *drvdata)
}
}
-static void __exit etm4_remove_amba(struct amba_device *adev)
+static void etm4_remove_amba(struct amba_device *adev)
{
struct etmv4_drvdata *drvdata = dev_get_drvdata(&adev->dev);
@@ -2261,7 +2261,7 @@ static void __exit etm4_remove_amba(struct amba_device *adev)
etm4_remove_dev(drvdata);
}
-static int __exit etm4_remove_platform_dev(struct platform_device *pdev)
+static int etm4_remove_platform_dev(struct platform_device *pdev)
{
struct etmv4_drvdata *drvdata = dev_get_drvdata(&pdev->dev);
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.c b/drivers/hwtracing/coresight/ultrasoc-smb.c
index e9a32a97fbee..6e32d31a95fe 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.c
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.c
@@ -99,7 +99,7 @@ static int smb_open(struct inode *inode, struct file *file)
struct smb_drv_data, miscdev);
int ret = 0;
- mutex_lock(&drvdata->mutex);
+ spin_lock(&drvdata->spinlock);
if (drvdata->reading) {
ret = -EBUSY;
@@ -115,7 +115,7 @@ static int smb_open(struct inode *inode, struct file *file)
drvdata->reading = true;
out:
- mutex_unlock(&drvdata->mutex);
+ spin_unlock(&drvdata->spinlock);
return ret;
}
@@ -132,10 +132,8 @@ static ssize_t smb_read(struct file *file, char __user *data, size_t len,
if (!len)
return 0;
- mutex_lock(&drvdata->mutex);
-
if (!sdb->data_size)
- goto out;
+ return 0;
to_copy = min(sdb->data_size, len);
@@ -145,20 +143,15 @@ static ssize_t smb_read(struct file *file, char __user *data, size_t len,
if (copy_to_user(data, sdb->buf_base + sdb->buf_rdptr, to_copy)) {
dev_dbg(dev, "Failed to copy data to user\n");
- to_copy = -EFAULT;
- goto out;
+ return -EFAULT;
}
*ppos += to_copy;
-
smb_update_read_ptr(drvdata, to_copy);
-
- dev_dbg(dev, "%zu bytes copied\n", to_copy);
-out:
if (!sdb->data_size)
smb_reset_buffer(drvdata);
- mutex_unlock(&drvdata->mutex);
+ dev_dbg(dev, "%zu bytes copied\n", to_copy);
return to_copy;
}
@@ -167,9 +160,9 @@ static int smb_release(struct inode *inode, struct file *file)
struct smb_drv_data *drvdata = container_of(file->private_data,
struct smb_drv_data, miscdev);
- mutex_lock(&drvdata->mutex);
+ spin_lock(&drvdata->spinlock);
drvdata->reading = false;
- mutex_unlock(&drvdata->mutex);
+ spin_unlock(&drvdata->spinlock);
return 0;
}
@@ -262,7 +255,7 @@ static int smb_enable(struct coresight_device *csdev, enum cs_mode mode,
struct smb_drv_data *drvdata = dev_get_drvdata(csdev->dev.parent);
int ret = 0;
- mutex_lock(&drvdata->mutex);
+ spin_lock(&drvdata->spinlock);
/* Do nothing, the trace data is reading by other interface now */
if (drvdata->reading) {
@@ -294,7 +287,7 @@ static int smb_enable(struct coresight_device *csdev, enum cs_mode mode,
dev_dbg(&csdev->dev, "Ultrasoc SMB enabled\n");
out:
- mutex_unlock(&drvdata->mutex);
+ spin_unlock(&drvdata->spinlock);
return ret;
}
@@ -304,7 +297,7 @@ static int smb_disable(struct coresight_device *csdev)
struct smb_drv_data *drvdata = dev_get_drvdata(csdev->dev.parent);
int ret = 0;
- mutex_lock(&drvdata->mutex);
+ spin_lock(&drvdata->spinlock);
if (drvdata->reading) {
ret = -EBUSY;
@@ -327,7 +320,7 @@ static int smb_disable(struct coresight_device *csdev)
dev_dbg(&csdev->dev, "Ultrasoc SMB disabled\n");
out:
- mutex_unlock(&drvdata->mutex);
+ spin_unlock(&drvdata->spinlock);
return ret;
}
@@ -408,7 +401,7 @@ static unsigned long smb_update_buffer(struct coresight_device *csdev,
if (!buf)
return 0;
- mutex_lock(&drvdata->mutex);
+ spin_lock(&drvdata->spinlock);
/* Don't do anything if another tracer is using this sink. */
if (atomic_read(&csdev->refcnt) != 1)
@@ -432,7 +425,7 @@ static unsigned long smb_update_buffer(struct coresight_device *csdev,
if (!buf->snapshot && lost)
perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED);
out:
- mutex_unlock(&drvdata->mutex);
+ spin_unlock(&drvdata->spinlock);
return data_size;
}
@@ -484,7 +477,6 @@ static int smb_init_data_buffer(struct platform_device *pdev,
static void smb_init_hw(struct smb_drv_data *drvdata)
{
smb_disable_hw(drvdata);
- smb_reset_buffer(drvdata);
writel(SMB_LB_CFG_LO_DEFAULT, drvdata->base + SMB_LB_CFG_LO_REG);
writel(SMB_LB_CFG_HI_DEFAULT, drvdata->base + SMB_LB_CFG_HI_REG);
@@ -590,37 +582,33 @@ static int smb_probe(struct platform_device *pdev)
return ret;
}
- mutex_init(&drvdata->mutex);
+ ret = smb_config_inport(dev, true);
+ if (ret)
+ return ret;
+
+ smb_reset_buffer(drvdata);
+ platform_set_drvdata(pdev, drvdata);
+ spin_lock_init(&drvdata->spinlock);
drvdata->pid = -1;
ret = smb_register_sink(pdev, drvdata);
if (ret) {
+ smb_config_inport(&pdev->dev, false);
dev_err(dev, "Failed to register SMB sink\n");
return ret;
}
- ret = smb_config_inport(dev, true);
- if (ret) {
- smb_unregister_sink(drvdata);
- return ret;
- }
-
- platform_set_drvdata(pdev, drvdata);
-
return 0;
}
static int smb_remove(struct platform_device *pdev)
{
struct smb_drv_data *drvdata = platform_get_drvdata(pdev);
- int ret;
-
- ret = smb_config_inport(&pdev->dev, false);
- if (ret)
- return ret;
smb_unregister_sink(drvdata);
+ smb_config_inport(&pdev->dev, false);
+
return 0;
}
diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.h b/drivers/hwtracing/coresight/ultrasoc-smb.h
index d2e14e8d2c8a..82a44c14a882 100644
--- a/drivers/hwtracing/coresight/ultrasoc-smb.h
+++ b/drivers/hwtracing/coresight/ultrasoc-smb.h
@@ -8,7 +8,7 @@
#define _ULTRASOC_SMB_H
#include <linux/miscdevice.h>
-#include <linux/mutex.h>
+#include <linux/spinlock.h>
/* Offset of SMB global registers */
#define SMB_GLB_CFG_REG 0x00
@@ -105,7 +105,7 @@ struct smb_data_buffer {
* @csdev: Component vitals needed by the framework.
* @sdb: Data buffer for SMB.
* @miscdev: Specifics to handle "/dev/xyz.smb" entry.
- * @mutex: Control data access to one at a time.
+ * @spinlock: Control data access to one at a time.
* @reading: Synchronise user space access to SMB buffer.
* @pid: Process ID of the process being monitored by the
* session that is using this component.
@@ -116,7 +116,7 @@ struct smb_drv_data {
struct coresight_device *csdev;
struct smb_data_buffer sdb;
struct miscdevice miscdev;
- struct mutex mutex;
+ spinlock_t spinlock;
bool reading;
pid_t pid;
enum cs_mode mode;
diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c
index 49ea1b0f7489..a991ecb7515a 100644
--- a/drivers/hwtracing/ptt/hisi_ptt.c
+++ b/drivers/hwtracing/ptt/hisi_ptt.c
@@ -342,9 +342,9 @@ static int hisi_ptt_register_irq(struct hisi_ptt *hisi_ptt)
return ret;
hisi_ptt->trace_irq = pci_irq_vector(pdev, HISI_PTT_TRACE_DMA_IRQ);
- ret = devm_request_threaded_irq(&pdev->dev, hisi_ptt->trace_irq,
- NULL, hisi_ptt_isr, 0,
- DRV_NAME, hisi_ptt);
+ ret = devm_request_irq(&pdev->dev, hisi_ptt->trace_irq, hisi_ptt_isr,
+ IRQF_NOBALANCING | IRQF_NO_THREAD, DRV_NAME,
+ hisi_ptt);
if (ret) {
pci_err(pdev, "failed to request irq %d, ret = %d\n",
hisi_ptt->trace_irq, ret);
@@ -1000,6 +1000,9 @@ static int hisi_ptt_pmu_event_init(struct perf_event *event)
return -EOPNOTSUPP;
}
+ if (event->attach_state & PERF_ATTACH_TASK)
+ return -EOPNOTSUPP;
+
if (event->attr.type != hisi_ptt->hisi_ptt_pmu.type)
return -ENOENT;
@@ -1178,6 +1181,10 @@ static void hisi_ptt_pmu_del(struct perf_event *event, int flags)
hisi_ptt_pmu_stop(event, PERF_EF_UPDATE);
}
+static void hisi_ptt_pmu_read(struct perf_event *event)
+{
+}
+
static void hisi_ptt_remove_cpuhp_instance(void *hotplug_node)
{
cpuhp_state_remove_instance_nocalls(hisi_ptt_pmu_online, hotplug_node);
@@ -1221,6 +1228,7 @@ static int hisi_ptt_register_pmu(struct hisi_ptt *hisi_ptt)
.stop = hisi_ptt_pmu_stop,
.add = hisi_ptt_pmu_add,
.del = hisi_ptt_pmu_del,
+ .read = hisi_ptt_pmu_read,
};
reg = readl(hisi_ptt->iobase + HISI_PTT_LOCATION);
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 9c8fc87938a7..9d090fa07516 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -2011,7 +2011,7 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, unsigned long time
mei_hdr = mei_msg_hdr_init(cb);
if (IS_ERR(mei_hdr)) {
- rets = -PTR_ERR(mei_hdr);
+ rets = PTR_ERR(mei_hdr);
mei_hdr = NULL;
goto err;
}
@@ -2032,7 +2032,7 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, unsigned long time
hbuf_slots = mei_hbuf_empty_slots(dev);
if (hbuf_slots < 0) {
- rets = -EOVERFLOW;
+ buf_len = -EOVERFLOW;
goto out;
}
diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c
index f77d78fa5054..787c6a27a4be 100644
--- a/drivers/misc/mei/pxp/mei_pxp.c
+++ b/drivers/misc/mei/pxp/mei_pxp.c
@@ -84,9 +84,10 @@ mei_pxp_send_message(struct device *dev, const void *message, size_t size, unsig
byte = ret;
break;
}
+ return byte;
}
- return byte;
+ return 0;
}
/**
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index bf42b7e826db..608b352a7d91 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -796,6 +796,12 @@ static struct nvmem_layout *nvmem_layout_get(struct nvmem_device *nvmem)
if (!layout_np)
return NULL;
+ /* Fixed layouts don't have a matching driver */
+ if (of_device_is_compatible(layout_np, "fixed-layout")) {
+ of_node_put(layout_np);
+ return NULL;
+ }
+
/*
* In case the nvmem device was built-in while the layout was built as a
* module, we shall manually request the layout driver loading otherwise
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index 1f236aaf7867..f33b5d1ddfc1 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -2658,6 +2658,8 @@ enum parport_pc_pci_cards {
asix_ax99100,
quatech_sppxp100,
wch_ch382l,
+ brainboxes_uc146,
+ brainboxes_px203,
};
@@ -2737,6 +2739,8 @@ static struct parport_pc_pci {
/* asix_ax99100 */ { 1, { { 0, 1 }, } },
/* quatech_sppxp100 */ { 1, { { 0, 1 }, } },
/* wch_ch382l */ { 1, { { 2, -1 }, } },
+ /* brainboxes_uc146 */ { 1, { { 3, -1 }, } },
+ /* brainboxes_px203 */ { 1, { { 0, -1 }, } },
};
static const struct pci_device_id parport_pc_pci_tbl[] = {
@@ -2833,6 +2837,23 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 },
/* WCH CH382L PCI-E single parallel port card */
{ 0x1c00, 0x3050, 0x1c00, 0x3050, 0, 0, wch_ch382l },
+ /* Brainboxes IX-500/550 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x402a,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+ /* Brainboxes UC-146/UC-157 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x0be1,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc146 },
+ { PCI_VENDOR_ID_INTASHIELD, 0x0be2,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc146 },
+ /* Brainboxes PX-146/PX-257 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x401c,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
+ /* Brainboxes PX-203 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x4007,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_px203 },
+ /* Brainboxes PX-475 */
+ { PCI_VENDOR_ID_INTASHIELD, 0x401f,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport },
{ 0, } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, parport_pc_pci_tbl);
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index a5ade8c16375..5063434be0fc 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -108,12 +108,6 @@ int debugfs_file_get(struct dentry *dentry)
kfree(fsd);
fsd = READ_ONCE(dentry->d_fsdata);
}
-#ifdef CONFIG_LOCKDEP
- fsd->lock_name = kasprintf(GFP_KERNEL, "debugfs:%pd", dentry);
- lockdep_register_key(&fsd->key);
- lockdep_init_map(&fsd->lockdep_map, fsd->lock_name ?: "debugfs",
- &fsd->key, 0);
-#endif
INIT_LIST_HEAD(&fsd->cancellations);
mutex_init(&fsd->cancellations_mtx);
}
@@ -132,8 +126,6 @@ int debugfs_file_get(struct dentry *dentry)
if (!refcount_inc_not_zero(&fsd->active_users))
return -EIO;
- lock_map_acquire_read(&fsd->lockdep_map);
-
return 0;
}
EXPORT_SYMBOL_GPL(debugfs_file_get);
@@ -151,8 +143,6 @@ void debugfs_file_put(struct dentry *dentry)
{
struct debugfs_fsdata *fsd = READ_ONCE(dentry->d_fsdata);
- lock_map_release(&fsd->lockdep_map);
-
if (refcount_dec_and_test(&fsd->active_users))
complete(&fsd->active_users_drained);
}
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index e4e7fe1bd9fb..034a617cb1a5 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -243,10 +243,6 @@ static void debugfs_release_dentry(struct dentry *dentry)
/* check it wasn't a dir (no fsdata) or automount (no real_fops) */
if (fsd && fsd->real_fops) {
-#ifdef CONFIG_LOCKDEP
- lockdep_unregister_key(&fsd->key);
- kfree(fsd->lock_name);
-#endif
WARN_ON(!list_empty(&fsd->cancellations));
mutex_destroy(&fsd->cancellations_mtx);
}
@@ -755,9 +751,6 @@ static void __debugfs_file_removed(struct dentry *dentry)
if ((unsigned long)fsd & DEBUGFS_FSDATA_IS_REAL_FOPS_BIT)
return;
- lock_map_acquire(&fsd->lockdep_map);
- lock_map_release(&fsd->lockdep_map);
-
/* if we hit zero, just wait for all to finish */
if (!refcount_dec_and_test(&fsd->active_users)) {
wait_for_completion(&fsd->active_users_drained);
diff --git a/fs/debugfs/internal.h b/fs/debugfs/internal.h
index 0c4c68cf161f..dae80c2a469e 100644
--- a/fs/debugfs/internal.h
+++ b/fs/debugfs/internal.h
@@ -7,7 +7,6 @@
#ifndef _DEBUGFS_INTERNAL_H_
#define _DEBUGFS_INTERNAL_H_
-#include <linux/lockdep.h>
#include <linux/list.h>
struct file_operations;
@@ -25,11 +24,6 @@ struct debugfs_fsdata {
struct {
refcount_t active_users;
struct completion active_users_drained;
-#ifdef CONFIG_LOCKDEP
- struct lockdep_map lockdep_map;
- struct lock_class_key key;
- char *lock_name;
-#endif
/* protect cancellations */
struct mutex cancellations_mtx;
diff --git a/tools/testing/nvdimm/test/ndtest.c b/tools/testing/nvdimm/test/ndtest.c
index fd26189d53be..b8419f460368 100644
--- a/tools/testing/nvdimm/test/ndtest.c
+++ b/tools/testing/nvdimm/test/ndtest.c
@@ -924,7 +924,7 @@ static __init int ndtest_init(void)
nfit_test_setup(ndtest_resource_lookup, NULL);
- rc = class_regster(&ndtest_dimm_class);
+ rc = class_register(&ndtest_dimm_class);
if (rc)
goto err_register;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 23:09:36 +0000