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

From: Tingwei Zhang <tingwei@codeaurora•org>
To: Mathieu Poirier <mathieu.poirier@linaro•org>,
	Suzuki K Poulose <suzuki.poulose@arm•com>,
	Alexander Shishkin <alexander.shishkin@linux•intel.com>,
	Mike Leach <mike.leach@linaro•org>
Cc: tsoni@codeaurora•org,
	Sai Prakash Ranjan <saiprakash.ranjan@codeaurora•org>,
	Kim Phillips <kim.phillips@arm•com>,
	Mao Jinlong <jinlmao@codeaurora•org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation•org>,
	coresight@lists•linaro.org, Randy Dunlap <rdunlap@infradead•org>,
	Mian Yousaf Kaukab <ykaukab@suse•de>,
	Russell King <linux@armlinux•org.uk>,
	Tingwei Zhang <tingwei@codeaurora•org>,
	Leo Yan <leo.yan@linaro•org>,
	linux-arm-kernel@lists•infradead.org
Subject: [PATCH v8 05/24] coresight: export global symbols
Date: Fri,  7 Aug 2020 19:11:34 +0800	[thread overview]
Message-ID: <20200807111153.7784-6-tingwei@codeaurora.org> (raw)
In-Reply-To: <20200807111153.7784-1-tingwei@codeaurora.org>

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
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


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