summaryrefslogtreecommitdiff
path: root/include/linux/coresight.h
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.cz>2022-12-13 14:27:16 +0100
committerJiri Kosina <jkosina@suse.cz>2022-12-13 14:27:16 +0100
commitcfd1f6c16f7deadfe5269a76c1516405c4466481 (patch)
tree44c0635e57e9627d9838c0d0d5801381b93ccccd /include/linux/coresight.h
parenta9d9e46c755a189ccb44d91b8cf737742a975de8 (diff)
parentfd7b68b763c4dfa65e3c145c624427d5fd11202f (diff)
Merge branch 'for-6.2/apple' into for-linus
- new quirks for select Apple keyboards (Kerem Karabay, Aditya Garg)
Diffstat (limited to 'include/linux/coresight.h')
-rw-r--r--include/linux/coresight.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 9f445f09fcfe..1554021231f9 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -372,6 +372,29 @@ static inline u32 csdev_access_relaxed_read32(struct csdev_access *csa,
return csa->read(offset, true, false);
}
+static inline u64 csdev_access_relaxed_read_pair(struct csdev_access *csa,
+ u32 lo_offset, u32 hi_offset)
+{
+ if (likely(csa->io_mem)) {
+ return readl_relaxed(csa->base + lo_offset) |
+ ((u64)readl_relaxed(csa->base + hi_offset) << 32);
+ }
+
+ return csa->read(lo_offset, true, false) | (csa->read(hi_offset, true, false) << 32);
+}
+
+static inline void csdev_access_relaxed_write_pair(struct csdev_access *csa, u64 val,
+ u32 lo_offset, u32 hi_offset)
+{
+ if (likely(csa->io_mem)) {
+ writel_relaxed((u32)val, csa->base + lo_offset);
+ writel_relaxed((u32)(val >> 32), csa->base + hi_offset);
+ } else {
+ csa->write((u32)val, lo_offset, true, false);
+ csa->write((u32)(val >> 32), hi_offset, true, false);
+ }
+}
+
static inline u32 csdev_access_read32(struct csdev_access *csa, u32 offset)
{
if (likely(csa->io_mem))