diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-priv.h')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-priv.h | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h index cf8ae768106e..07b392bfdbcd 100644 --- a/drivers/hwtracing/coresight/coresight-priv.h +++ b/drivers/hwtracing/coresight/coresight-priv.h @@ -39,24 +39,30 @@ #define ETM_MODE_EXCL_KERN BIT(30) #define ETM_MODE_EXCL_USER BIT(31) +struct cs_pair_attribute { + struct device_attribute attr; + s32 lo_off; + s32 hi_off; +}; -#define __coresight_simple_show(name, lo_off, hi_off) \ -static ssize_t name##_show(struct device *_dev, \ - struct device_attribute *attr, char *buf) \ -{ \ - struct coresight_device *csdev = container_of(_dev, struct coresight_device, dev); \ - u64 val; \ - pm_runtime_get_sync(_dev->parent); \ - val = csdev_access_relaxed_read_pair(&csdev->access, lo_off, hi_off); \ - pm_runtime_put_sync(_dev->parent); \ - return scnprintf(buf, PAGE_SIZE, "0x%llx\n", val); \ -} \ -static DEVICE_ATTR_RO(name) - -#define coresight_simple_reg32(name, offset) \ - __coresight_simple_show(name, offset, -1) -#define coresight_simple_reg64(name, lo_off, hi_off) \ - __coresight_simple_show(name, lo_off, hi_off) +extern ssize_t coresight_simple_show(struct device *_dev, + struct device_attribute *attr, char *buf); + +#define coresight_simple_reg32(name, offset) \ + (&((struct cs_pair_attribute[]) { \ + { \ + __ATTR(name, 0444, coresight_simple_show, NULL), \ + offset, -1 \ + } \ + })[0].attr.attr) + +#define coresight_simple_reg64(name, lo_off, hi_off) \ + (&((struct cs_pair_attribute[]) { \ + { \ + __ATTR(name, 0444, coresight_simple_show, NULL), \ + lo_off, hi_off \ + } \ + })[0].attr.attr) extern const u32 coresight_barrier_pkt[4]; #define CORESIGHT_BARRIER_PKT_SIZE (sizeof(coresight_barrier_pkt)) |