[PATCH v8 05/24] coresight: export global symbols

Tingwei Zhang
2020-08-07T11:14:41Z

From: Mian Yousaf Kaukab <ykaukab@suse.de>

Export symbols used among coresight modules.

Signed-off-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>
Tested-by: Mike Leach <mike.leach@linaro.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
---
drivers/hwtracing/coresight/coresight-etm-perf.c | 1 +
drivers/hwtracing/coresight/coresight-sysfs.c | 2 ++
drivers/hwtracing/coresight/coresight-tmc-etr.c | 6 ++++++
drivers/hwtracing/coresight/coresight.c | 8 ++++++++
4 files changed, 17 insertions(+)

diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index 1a3169e69bb1..dcb0592418ae 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -517,6 +517,7 @@ int etm_perf_symlink(struct coresight_device *csdev, bool link)

return 0;
}
+EXPORT_SYMBOL_GPL(etm_perf_symlink);

static ssize_t etm_perf_sink_name_show(struct device *dev,
struct device_attribute *dattr,
diff --git a/drivers/hwtracing/coresight/coresight-sysfs.c b/drivers/hwtracing/coresight/coresight-sysfs.c
index 82afeaf2ccc4..34d2a2d31d00 100644
--- a/drivers/hwtracing/coresight/coresight-sysfs.c
+++ b/drivers/hwtracing/coresight/coresight-sysfs.c
@@ -102,6 +102,7 @@ int coresight_add_sysfs_link(struct coresight_sysfs_link *info)

return ret;
}
+EXPORT_SYMBOL_GPL(coresight_add_sysfs_link);

void coresight_remove_sysfs_link(struct coresight_sysfs_link *info)
{
@@ -122,6 +123,7 @@ void coresight_remove_sysfs_link(struct coresight_sysfs_link *info)
info->orig->nr_links--;
info->target->nr_links--;
}
+EXPORT_SYMBOL_GPL(coresight_remove_sysfs_link);

/*
* coresight_make_links: Make a link for a connection from a @orig
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c
index b29c2db94d96..ad991a37e2d2 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etr.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c
@@ -255,6 +255,7 @@ void tmc_free_sg_table(struct tmc_sg_table *sg_table)
tmc_free_table_pages(sg_table);
tmc_free_data_pages(sg_table);
}
+EXPORT_SYMBOL_GPL(tmc_free_sg_table);

/*
* Alloc pages for the table. Since this will be used by the device,
@@ -340,6 +341,7 @@ struct tmc_sg_table *tmc_alloc_sg_table(struct device *dev,

return sg_table;
}
+EXPORT_SYMBOL_GPL(tmc_alloc_sg_table);

/*
* tmc_sg_table_sync_data_range: Sync the data buffer written
@@ -360,6 +362,7 @@ void tmc_sg_table_sync_data_range(struct tmc_sg_table *table,
PAGE_SIZE, DMA_FROM_DEVICE);
}
}
+EXPORT_SYMBOL_GPL(tmc_sg_table_sync_data_range);

/* tmc_sg_sync_table: Sync the page table */
void tmc_sg_table_sync_table(struct tmc_sg_table *sg_table)
@@ -372,6 +375,7 @@ void tmc_sg_table_sync_table(struct tmc_sg_table *sg_table)
dma_sync_single_for_device(real_dev, table_pages->daddrs[i],
PAGE_SIZE, DMA_TO_DEVICE);
}
+EXPORT_SYMBOL_GPL(tmc_sg_table_sync_table);

/*
* tmc_sg_table_get_data: Get the buffer pointer for data @offset
@@ -401,6 +405,7 @@ ssize_t tmc_sg_table_get_data(struct tmc_sg_table *sg_table,
*bufpp = page_address(data_pages->pages[pg_idx]) + pg_offset;
return len;
}
+EXPORT_SYMBOL_GPL(tmc_sg_table_get_data);

#ifdef ETR_SG_DEBUG
/* Map a dma address to virtual address */
@@ -766,6 +771,7 @@ tmc_etr_get_catu_device(struct tmc_drvdata *drvdata)

return NULL;
}
+EXPORT_SYMBOL_GPL(tmc_etr_get_catu_device);

static inline int tmc_etr_enable_catu(struct tmc_drvdata *drvdata,
struct etr_buf *etr_buf)
diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c
index 310b1b825dd1..b7151c5f81b1 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -55,6 +55,7 @@ static struct list_head *stm_path;
*/
const u32 coresight_barrier_pkt[4] = {
0x7fffffff, 0x7fffffff, 0x7fffffff, 0x7fffffff};
+EXPORT_SYMBOL_GPL(coresight_barrier_pkt);

static int coresight_id_match(struct device *dev, void *data)
{
@@ -180,6 +181,7 @@ int coresight_claim_device_unlocked(void __iomem *base)
coresight_clear_claim_tags(base);
return -EBUSY;
}
+EXPORT_SYMBOL_GPL(coresight_claim_device_unlocked);

int coresight_claim_device(void __iomem *base)
{
@@ -191,6 +193,7 @@ int coresight_claim_device(void __iomem *base)

return rc;
}
+EXPORT_SYMBOL_GPL(coresight_claim_device);

/*
* coresight_disclaim_device_unlocked : Clear the claim tags for the device.
@@ -209,6 +212,7 @@ void coresight_disclaim_device_unlocked(void __iomem *base)
*/
WARN_ON_ONCE(1);
}
+EXPORT_SYMBOL_GPL(coresight_disclaim_device_unlocked);

void coresight_disclaim_device(void __iomem *base)
{
@@ -216,6 +220,7 @@ void coresight_disclaim_device(void __iomem *base)
coresight_disclaim_device_unlocked(base);
CS_LOCK(base);
}
+EXPORT_SYMBOL_GPL(coresight_disclaim_device);

/* enable or disable an associated CTI device of the supplied CS device */
static int
@@ -468,6 +473,7 @@ void coresight_disable_path(struct list_head *path)
{
coresight_disable_path_from(path, NULL);
}
+EXPORT_SYMBOL_GPL(coresight_disable_path);

int coresight_enable_path(struct list_head *path, u32 mode, void *sink_data)
{
@@ -1377,6 +1383,7 @@ int coresight_timeout(void __iomem *addr, u32 offset, int position, int value)

return -EAGAIN;
}
+EXPORT_SYMBOL_GPL(coresight_timeout);

struct bus_type coresight_bustype = {
.name = "coresight",
@@ -1553,6 +1560,7 @@ bool coresight_loses_context_with_cpu(struct device *dev)
return fwnode_property_present(dev_fwnode(dev),
"arm,coresight-loses-context-with-cpu");
}
+EXPORT_SYMBOL_GPL(coresight_loses_context_with_cpu);

/*
* coresight_alloc_device_name - Get an index for a given device in the
--
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