return sysfs_emit(buf, "0x%x\n", trace_id);
}
-static DEVICE_ATTR_RO(trctraceid);
struct etmv4_reg {
struct coresight_device *csdev;
return 0;
}
-#define coresight_etm4x_reg(name, offset) \
- &((struct dev_ext_attribute[]) { \
- { \
- __ATTR(name, 0444, coresight_etm4x_reg_show, NULL), \
- (void *)(unsigned long)offset \
- } \
- })[0].attr.attr
+/*
+ * Macro to set an RO ext attribute with offset and show function.
+ * Offset is used in mgmt group to ensure only correct registers for
+ * the ETM / ETE variant are visible.
+ */
+#define coresight_etm4x_reg_showfn(name, offset, showfn) ( \
+ &((struct dev_ext_attribute[]) { \
+ { \
+ __ATTR(name, 0444, showfn, NULL), \
+ (void *)(unsigned long)offset \
+ } \
+ })[0].attr.attr \
+ )
+
+/* macro using the default coresight_etm4x_reg_show function */
+#define coresight_etm4x_reg(name, offset) \
+ coresight_etm4x_reg_showfn(name, offset, coresight_etm4x_reg_show)
static struct attribute *coresight_etmv4_mgmt_attrs[] = {
coresight_etm4x_reg(trcpdcr, TRCPDCR),
coresight_etm4x_reg(trcpidr3, TRCPIDR3),
coresight_etm4x_reg(trcoslsr, TRCOSLSR),
coresight_etm4x_reg(trcconfig, TRCCONFIGR),
- &dev_attr_trctraceid.attr,
+ coresight_etm4x_reg_showfn(trctraceid, TRCTRACEIDR, trctraceid_show),
coresight_etm4x_reg(trcdevarch, TRCDEVARCH),
NULL,
};