diff options
Diffstat (limited to 'include/linux/coresight.h')
| -rw-r--r-- | include/linux/coresight.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 9f445f09fcfe..a47dd1f62216 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -372,6 +372,24 @@ 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, + s32 lo_offset, s32 hi_offset) +{ + u64 val; + + if (likely(csa->io_mem)) { + val = readl_relaxed(csa->base + lo_offset); + val |= (hi_offset < 0) ? 0 : + (u64)readl_relaxed(csa->base + hi_offset) << 32; + return val; + } + + val = csa->read(lo_offset, true, false); + val |= (hi_offset < 0) ? 0 : + (u64)csa->read(hi_offset, true, false) << 32; + return val; +} + static inline u32 csdev_access_read32(struct csdev_access *csa, u32 offset) { if (likely(csa->io_mem)) |