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Message-Id: <20200928163513.70169-6-mathieu.poirier@linaro.org>
Date: Mon, 28 Sep 2020 10:34:53 -0600
From: Mathieu Poirier <mathieu.poirier@...aro.org>
To: gregkh@...uxfoundation.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 05/25] coresight: Export global symbols
From: Mian Yousaf Kaukab <ykaukab@...e.de>
Export symbols used among coresight modules.
Signed-off-by: Mian Yousaf Kaukab <ykaukab@...e.de>
Signed-off-by: Tingwei Zhang <tingwei@...eaurora.org>
Tested-by: Mike Leach <mike.leach@...aro.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
---
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 b4e5758b6c12..644805e0a9ec 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -525,6 +525,7 @@ 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 ae40bb0539fd..d1aea3a1e7b6 100644
--- a/drivers/hwtracing/coresight/coresight.c
+++ b/drivers/hwtracing/coresight/coresight.c
@@ -54,6 +54,7 @@ static struct list_head *stm_path;
* it needs to look for another sync sequence.
*/
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)
{
@@ -179,6 +180,7 @@ 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)
{
@@ -190,6 +192,7 @@ 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.
@@ -208,6 +211,7 @@ 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)
{
@@ -215,6 +219,7 @@ 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
@@ -467,6 +472,7 @@ 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)
{
@@ -1368,6 +1374,7 @@ 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",
@@ -1544,6 +1551,7 @@ 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
--
2.25.1
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