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path: root/drivers/hwtracing/coresight/coresight-stm.c
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Diffstat (limited to 'drivers/hwtracing/coresight/coresight-stm.c')
-rw-r--r--drivers/hwtracing/coresight/coresight-stm.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/hwtracing/coresight/coresight-stm.c b/drivers/hwtracing/coresight/coresight-stm.c
index 49e0f1b925a5..e4c55c5f9988 100644
--- a/drivers/hwtracing/coresight/coresight-stm.c
+++ b/drivers/hwtracing/coresight/coresight-stm.c
@@ -406,7 +406,7 @@ static long stm_generic_set_options(struct stm_data *stm_data,
return 0;
}
-static ssize_t stm_generic_packet(struct stm_data *stm_data,
+static ssize_t notrace stm_generic_packet(struct stm_data *stm_data,
unsigned int master,
unsigned int channel,
unsigned int packet,
@@ -419,10 +419,10 @@ static ssize_t stm_generic_packet(struct stm_data *stm_data,
struct stm_drvdata, stm);
if (!(drvdata && local_read(&drvdata->mode)))
- return 0;
+ return -EACCES;
if (channel >= drvdata->numsp)
- return 0;
+ return -EINVAL;
ch_addr = (unsigned long)stm_channel_addr(drvdata, channel);
@@ -920,6 +920,11 @@ static struct amba_id stm_ids[] = {
.mask = 0x0003ffff,
.data = "STM32",
},
+ {
+ .id = 0x0003b963,
+ .mask = 0x0003ffff,
+ .data = "STM500",
+ },
{ 0, 0},
};