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-rw-r--r--drivers/hwtracing/coresight/coresight-catu.c5
-rw-r--r--drivers/hwtracing/coresight/coresight-tmc-etf.c9
-rw-r--r--drivers/hwtracing/coresight/coresight-tmc-etr.c40
-rw-r--r--drivers/hwtracing/coresight/coresight-tmc.c38
-rw-r--r--drivers/hwtracing/coresight/coresight-tmc.h2
5 files changed, 47 insertions, 47 deletions
diff --git a/drivers/hwtracing/coresight/coresight-catu.c b/drivers/hwtracing/coresight/coresight-catu.c
index 4ea68a3522e9..d948a72aa6a3 100644
--- a/drivers/hwtracing/coresight/coresight-catu.c
+++ b/drivers/hwtracing/coresight/coresight-catu.c
@@ -328,19 +328,18 @@ static int catu_alloc_etr_buf(struct tmc_drvdata *tmc_drvdata,
struct etr_buf *etr_buf, int node, void **pages)
{
struct coresight_device *csdev;
- struct device *catu_dev;
struct tmc_sg_table *catu_table;
struct catu_etr_buf *catu_buf;
csdev = tmc_etr_get_catu_device(tmc_drvdata);
if (!csdev)
return -ENODEV;
- catu_dev = csdev->dev.parent;
catu_buf = kzalloc(sizeof(*catu_buf), GFP_KERNEL);
if (!catu_buf)
return -ENOMEM;
- catu_table = catu_init_sg_table(catu_dev, node, etr_buf->size, pages);
+ catu_table = catu_init_sg_table(&csdev->dev, node,
+ etr_buf->size, pages);
if (IS_ERR(catu_table)) {
kfree(catu_buf);
return PTR_ERR(catu_table);
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index bd5f3b57eebd..b89e29c5b39d 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -280,7 +280,6 @@ static int tmc_enable_etf_sink(struct coresight_device *csdev,
u32 mode, void *data)
{
int ret;
- struct tmc_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent);
switch (mode) {
case CS_MODE_SYSFS:
@@ -298,7 +297,7 @@ static int tmc_enable_etf_sink(struct coresight_device *csdev,
if (ret)
return ret;
- dev_dbg(drvdata->dev, "TMC-ETB/ETF enabled\n");
+ dev_dbg(&csdev->dev, "TMC-ETB/ETF enabled\n");
return 0;
}
@@ -328,7 +327,7 @@ static int tmc_disable_etf_sink(struct coresight_device *csdev)
spin_unlock_irqrestore(&drvdata->spinlock, flags);
- dev_dbg(drvdata->dev, "TMC-ETB/ETF disabled\n");
+ dev_dbg(&csdev->dev, "TMC-ETB/ETF disabled\n");
return 0;
}
@@ -351,7 +350,7 @@ static int tmc_enable_etf_link(struct coresight_device *csdev,
spin_unlock_irqrestore(&drvdata->spinlock, flags);
if (!ret)
- dev_dbg(drvdata->dev, "TMC-ETF enabled\n");
+ dev_dbg(&csdev->dev, "TMC-ETF enabled\n");
return ret;
}
@@ -371,7 +370,7 @@ static void tmc_disable_etf_link(struct coresight_device *csdev,
drvdata->mode = CS_MODE_DISABLED;
spin_unlock_irqrestore(&drvdata->spinlock, flags);
- dev_dbg(drvdata->dev, "TMC-ETF disabled\n");
+ dev_dbg(&csdev->dev, "TMC-ETF disabled\n");
}
static void *tmc_alloc_etf_buffer(struct coresight_device *csdev,
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index 1fc3db8045e1..709448cf2dff 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -162,10 +162,11 @@ static void tmc_pages_free(struct tmc_pages *tmc_pages,
struct device *dev, enum dma_data_direction dir)
{
int i;
+ struct device *real_dev = dev->parent;
for (i = 0; i < tmc_pages->nr_pages; i++) {
if (tmc_pages->daddrs && tmc_pages->daddrs[i])
- dma_unmap_page(dev, tmc_pages->daddrs[i],
+ dma_unmap_page(real_dev, tmc_pages->daddrs[i],
PAGE_SIZE, dir);
if (tmc_pages->pages && tmc_pages->pages[i])
__free_page(tmc_pages->pages[i]);
@@ -193,6 +194,7 @@ static int tmc_pages_alloc(struct tmc_pages *tmc_pages,
int i, nr_pages;
dma_addr_t paddr;
struct page *page;
+ struct device *real_dev = dev->parent;
nr_pages = tmc_pages->nr_pages;
tmc_pages->daddrs = kcalloc(nr_pages, sizeof(*tmc_pages->daddrs),
@@ -216,8 +218,8 @@ static int tmc_pages_alloc(struct tmc_pages *tmc_pages,
page = alloc_pages_node(node,
GFP_KERNEL | __GFP_ZERO, 0);
}
- paddr = dma_map_page(dev, page, 0, PAGE_SIZE, dir);
- if (dma_mapping_error(dev, paddr))
+ paddr = dma_map_page(real_dev, page, 0, PAGE_SIZE, dir);
+ if (dma_mapping_error(real_dev, paddr))
goto err;
tmc_pages->daddrs[i] = paddr;
tmc_pages->pages[i] = page;
@@ -304,7 +306,7 @@ static int tmc_alloc_data_pages(struct tmc_sg_table *sg_table, void **pages)
* and data buffers. TMC writes to the data buffers and reads from the SG
* Table pages.
*
- * @dev - Device to which page should be DMA mapped.
+ * @dev - Coresight device to which page should be DMA mapped.
* @node - Numa node for mem allocations
* @nr_tpages - Number of pages for the table entries.
* @nr_dpages - Number of pages for Data buffer.
@@ -348,13 +350,13 @@ void tmc_sg_table_sync_data_range(struct tmc_sg_table *table,
{
int i, index, start;
int npages = DIV_ROUND_UP(size, PAGE_SIZE);
- struct device *dev = table->dev;
+ struct device *real_dev = table->dev->parent;
struct tmc_pages *data = &table->data_pages;
start = offset >> PAGE_SHIFT;
for (i = start; i < (start + npages); i++) {
index = i % data->nr_pages;
- dma_sync_single_for_cpu(dev, data->daddrs[index],
+ dma_sync_single_for_cpu(real_dev, data->daddrs[index],
PAGE_SIZE, DMA_FROM_DEVICE);
}
}
@@ -363,11 +365,11 @@ void tmc_sg_table_sync_data_range(struct tmc_sg_table *table,
void tmc_sg_table_sync_table(struct tmc_sg_table *sg_table)
{
int i;
- struct device *dev = sg_table->dev;
+ struct device *real_dev = sg_table->dev->parent;
struct tmc_pages *table_pages = &sg_table->table_pages;
for (i = 0; i < table_pages->nr_pages; i++)
- dma_sync_single_for_device(dev, table_pages->daddrs[i],
+ dma_sync_single_for_device(real_dev, table_pages->daddrs[i],
PAGE_SIZE, DMA_TO_DEVICE);
}
@@ -590,6 +592,7 @@ static int tmc_etr_alloc_flat_buf(struct tmc_drvdata *drvdata,
void **pages)
{
struct etr_flat_buf *flat_buf;
+ struct device *real_dev = drvdata->csdev->dev.parent;
/* We cannot reuse existing pages for flat buf */
if (pages)
@@ -599,7 +602,7 @@ static int tmc_etr_alloc_flat_buf(struct tmc_drvdata *drvdata,
if (!flat_buf)
return -ENOMEM;
- flat_buf->vaddr = dma_alloc_coherent(drvdata->dev, etr_buf->size,
+ flat_buf->vaddr = dma_alloc_coherent(real_dev, etr_buf->size,
&flat_buf->daddr, GFP_KERNEL);
if (!flat_buf->vaddr) {
kfree(flat_buf);
@@ -607,7 +610,7 @@ static int tmc_etr_alloc_flat_buf(struct tmc_drvdata *drvdata,
}
flat_buf->size = etr_buf->size;
- flat_buf->dev = drvdata->dev;
+ flat_buf->dev = &drvdata->csdev->dev;
etr_buf->hwaddr = flat_buf->daddr;
etr_buf->mode = ETR_MODE_FLAT;
etr_buf->private = flat_buf;
@@ -617,9 +620,10 @@ static int tmc_etr_alloc_flat_buf(struct tmc_drvdata *drvdata,
static void tmc_etr_free_flat_buf(struct etr_buf *etr_buf)
{
struct etr_flat_buf *flat_buf = etr_buf->private;
+ struct device *real_dev = flat_buf->dev->parent;
if (flat_buf && flat_buf->daddr)
- dma_free_coherent(flat_buf->dev, flat_buf->size,
+ dma_free_coherent(real_dev, flat_buf->size,
flat_buf->vaddr, flat_buf->daddr);
kfree(flat_buf);
}
@@ -666,8 +670,9 @@ static int tmc_etr_alloc_sg_buf(struct tmc_drvdata *drvdata,
void **pages)
{
struct etr_sg_table *etr_table;
+ struct device *dev = &drvdata->csdev->dev;
- etr_table = tmc_init_etr_sg_table(drvdata->dev, node,
+ etr_table = tmc_init_etr_sg_table(dev, node,
etr_buf->size, pages);
if (IS_ERR(etr_table))
return -ENOMEM;
@@ -823,9 +828,10 @@ static struct etr_buf *tmc_alloc_etr_buf(struct tmc_drvdata *drvdata,
bool has_etr_sg, has_iommu;
bool has_sg, has_catu;
struct etr_buf *etr_buf;
+ struct device *dev = &drvdata->csdev->dev;
has_etr_sg = tmc_etr_has_cap(drvdata, TMC_ETR_SG);
- has_iommu = iommu_get_domain_for_dev(drvdata->dev);
+ has_iommu = iommu_get_domain_for_dev(dev->parent);
has_catu = !!tmc_etr_get_catu_device(drvdata);
has_sg = has_catu || has_etr_sg;
@@ -863,7 +869,7 @@ static struct etr_buf *tmc_alloc_etr_buf(struct tmc_drvdata *drvdata,
return ERR_PTR(rc);
}
- dev_dbg(drvdata->dev, "allocated buffer of size %ldKB in mode %d\n",
+ dev_dbg(dev, "allocated buffer of size %ldKB in mode %d\n",
(unsigned long)size >> 10, etr_buf->mode);
return etr_buf;
}
@@ -1162,7 +1168,7 @@ out:
tmc_etr_free_sysfs_buf(free_buf);
if (!ret)
- dev_dbg(drvdata->dev, "TMC-ETR enabled\n");
+ dev_dbg(&csdev->dev, "TMC-ETR enabled\n");
return ret;
}
@@ -1358,7 +1364,7 @@ static void *tmc_alloc_etr_buffer(struct coresight_device *csdev,
etr_perf = tmc_etr_setup_perf_buf(drvdata, event,
nr_pages, pages, snapshot);
if (IS_ERR(etr_perf)) {
- dev_dbg(drvdata->dev, "Unable to allocate ETR buffer\n");
+ dev_dbg(&csdev->dev, "Unable to allocate ETR buffer\n");
return NULL;
}
@@ -1617,7 +1623,7 @@ static int tmc_disable_etr_sink(struct coresight_device *csdev)
spin_unlock_irqrestore(&drvdata->spinlock, flags);
- dev_dbg(drvdata->dev, "TMC-ETR disabled\n");
+ dev_dbg(&csdev->dev, "TMC-ETR disabled\n");
return 0;
}
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c
index 3f718729d741..3b39f43c583d 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.c
+++ b/drivers/hwtracing/coresight/coresight-tmc.c
@@ -32,7 +32,7 @@ void tmc_wait_for_tmcready(struct tmc_drvdata *drvdata)
/* Ensure formatter, unformatter and hardware fifo are empty */
if (coresight_timeout(drvdata->base,
TMC_STS, TMC_STS_TMCREADY_BIT, 1)) {
- dev_err(drvdata->dev,
+ dev_err(&drvdata->csdev->dev,
"timeout while waiting for TMC to be Ready\n");
}
}
@@ -49,7 +49,7 @@ void tmc_flush_and_stop(struct tmc_drvdata *drvdata)
/* Ensure flush completes */
if (coresight_timeout(drvdata->base,
TMC_FFCR, TMC_FFCR_FLUSHMAN_BIT, 0)) {
- dev_err(drvdata->dev,
+ dev_err(&drvdata->csdev->dev,
"timeout while waiting for completion of Manual Flush\n");
}
@@ -83,7 +83,7 @@ static int tmc_read_prepare(struct tmc_drvdata *drvdata)
}
if (!ret)
- dev_dbg(drvdata->dev, "TMC read start\n");
+ dev_dbg(&drvdata->csdev->dev, "TMC read start\n");
return ret;
}
@@ -105,7 +105,7 @@ static int tmc_read_unprepare(struct tmc_drvdata *drvdata)
}
if (!ret)
- dev_dbg(drvdata->dev, "TMC read end\n");
+ dev_dbg(&drvdata->csdev->dev, "TMC read end\n");
return ret;
}
@@ -122,7 +122,7 @@ static int tmc_open(struct inode *inode, struct file *file)
nonseekable_open(inode, file);
- dev_dbg(drvdata->dev, "%s: successfully opened\n", __func__);
+ dev_dbg(&drvdata->csdev->dev, "%s: successfully opened\n", __func__);
return 0;
}
@@ -152,12 +152,13 @@ static ssize_t tmc_read(struct file *file, char __user *data, size_t len,
return 0;
if (copy_to_user(data, bufp, actual)) {
- dev_dbg(drvdata->dev, "%s: copy_to_user failed\n", __func__);
+ dev_dbg(&drvdata->csdev->dev,
+ "%s: copy_to_user failed\n", __func__);
return -EFAULT;
}
*ppos += actual;
- dev_dbg(drvdata->dev, "%zu bytes copied\n", actual);
+ dev_dbg(&drvdata->csdev->dev, "%zu bytes copied\n", actual);
return actual;
}
@@ -172,7 +173,7 @@ static int tmc_release(struct inode *inode, struct file *file)
if (ret)
return ret;
- dev_dbg(drvdata->dev, "%s: released\n", __func__);
+ dev_dbg(&drvdata->csdev->dev, "%s: released\n", __func__);
return 0;
}
@@ -332,24 +333,22 @@ const struct attribute_group *coresight_tmc_groups[] = {
NULL,
};
-static inline bool tmc_etr_can_use_sg(struct tmc_drvdata *drvdata)
+static inline bool tmc_etr_can_use_sg(struct device *dev)
{
- return fwnode_property_present(drvdata->dev->fwnode,
- "arm,scatter-gather");
+ return fwnode_property_present(dev->fwnode, "arm,scatter-gather");
}
/* Detect and initialise the capabilities of a TMC ETR */
-static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata,
- u32 devid, void *dev_caps)
+static int tmc_etr_setup_caps(struct device *parent, u32 devid, void *dev_caps)
{
int rc;
-
u32 dma_mask = 0;
+ struct tmc_drvdata *drvdata = dev_get_drvdata(parent);
/* Set the unadvertised capabilities */
tmc_etr_init_caps(drvdata, (u32)(unsigned long)dev_caps);
- if (!(devid & TMC_DEVID_NOSCAT) && tmc_etr_can_use_sg(drvdata))
+ if (!(devid & TMC_DEVID_NOSCAT) && tmc_etr_can_use_sg(parent))
tmc_etr_set_cap(drvdata, TMC_ETR_SG);
/* Check if the AXI address width is available */
@@ -367,15 +366,15 @@ static int tmc_etr_setup_caps(struct tmc_drvdata *drvdata,
case 44:
case 48:
case 52:
- dev_info(drvdata->dev, "Detected dma mask %dbits\n", dma_mask);
+ dev_info(parent, "Detected dma mask %dbits\n", dma_mask);
break;
default:
dma_mask = 40;
}
- rc = dma_set_mask_and_coherent(drvdata->dev, DMA_BIT_MASK(dma_mask));
+ rc = dma_set_mask_and_coherent(parent, DMA_BIT_MASK(dma_mask));
if (rc)
- dev_err(drvdata->dev, "Failed to setup DMA mask: %d\n", rc);
+ dev_err(parent, "Failed to setup DMA mask: %d\n", rc);
return rc;
}
@@ -405,7 +404,6 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
if (!drvdata)
goto out;
- drvdata->dev = &adev->dev;
dev_set_drvdata(dev, drvdata);
/* Validity for the resource is already checked by the AMBA core */
@@ -450,7 +448,7 @@ static int tmc_probe(struct amba_device *adev, const struct amba_id *id)
desc.type = CORESIGHT_DEV_TYPE_SINK;
desc.subtype.sink_subtype = CORESIGHT_DEV_SUBTYPE_SINK_BUFFER;
desc.ops = &tmc_etr_cs_ops;
- ret = tmc_etr_setup_caps(drvdata, devid,
+ ret = tmc_etr_setup_caps(dev, devid,
coresight_get_uci_data(id));
if (ret)
goto out;
diff --git a/drivers/hwtracing/coresight/coresight-tmc.h b/drivers/hwtracing/coresight/coresight-tmc.h
index 503f1b3a3741..1ed50411cc3c 100644
--- a/drivers/hwtracing/coresight/coresight-tmc.h
+++ b/drivers/hwtracing/coresight/coresight-tmc.h
@@ -161,7 +161,6 @@ struct etr_buf {
/**
* struct tmc_drvdata - specifics associated to an TMC component
* @base: memory mapped base address for this component.
- * @dev: the device entity associated to this component.
* @csdev: component vitals needed by the framework.
* @miscdev: specifics to handle "/dev/xyz.tmc" entry.
* @spinlock: only one at a time pls.
@@ -184,7 +183,6 @@ struct etr_buf {
*/
struct tmc_drvdata {
void __iomem *base;
- struct device *dev;
struct coresight_device *csdev;
struct miscdevice miscdev;
spinlock_t spinlock;
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-10 06:15:27 +0000