summaryrefslogtreecommitdiffstats
path: root/drivers/hwtracing/intel_th/sth.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-22 14:46:24 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-22 14:46:24 -0800
commitbb27d4998a9e8767674e8eda225c82cc149e5bc8 (patch)
treedcabb8b8cc510003637323b30ed414b1a1ec86f6 /drivers/hwtracing/intel_th/sth.c
parent9676e84dfd641e3366a41f2c45ac5c55dbac820f (diff)
parent35bf7692e765c2275bf93fe573f7ca868ab73453 (diff)
downloadlinux-bb27d4998a9e8767674e8eda225c82cc149e5bc8.tar.bz2
Merge char-misc-next into staging-next
This resolves the merge issues and confusions people were having with the goldfish drivers due to changes for them showing up in two different trees. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/intel_th/sth.c')
-rw-r--r--drivers/hwtracing/intel_th/sth.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/hwtracing/intel_th/sth.c b/drivers/hwtracing/intel_th/sth.c
index 56101c33e10f..e1aee61dd7b3 100644
--- a/drivers/hwtracing/intel_th/sth.c
+++ b/drivers/hwtracing/intel_th/sth.c
@@ -94,10 +94,13 @@ static ssize_t sth_stm_packet(struct stm_data *stm_data, unsigned int master,
case STP_PACKET_TRIG:
if (flags & STP_PACKET_TIMESTAMPED)
reg += 4;
- iowrite8(*payload, sth->base + reg);
+ writeb_relaxed(*payload, sth->base + reg);
break;
case STP_PACKET_MERR:
+ if (size > 4)
+ size = 4;
+
sth_iowrite(&out->MERR, payload, size);
break;
@@ -107,8 +110,8 @@ static ssize_t sth_stm_packet(struct stm_data *stm_data, unsigned int master,
else
outp = (u64 __iomem *)&out->FLAG;
- size = 1;
- sth_iowrite(outp, payload, size);
+ size = 0;
+ writeb_relaxed(0, outp);
break;
case STP_PACKET_USER:
@@ -129,6 +132,8 @@ static ssize_t sth_stm_packet(struct stm_data *stm_data, unsigned int master,
sth_iowrite(outp, payload, size);
break;
+ default:
+ return -ENOTSUPP;
}
return size;