coresight: Remove unused function parameter

The ability to use a custom function in this sysfs show function isn't
used so remove it.

No functional changes.

Signed-off-by: James Clark <james.clark@arm.com>
Reviewed-by: Mike Leach <mike.leach@linaro.org>
Link: https://lore.kernel.org/r/20220830172614.340962-2-james.clark@arm.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index ff1dd20..f2458b7 100644 (file)
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -40,31 +40,23 @@
 #define ETM_MODE_EXCL_KERN     BIT(30)
 #define ETM_MODE_EXCL_USER     BIT(31)
 
-typedef u32 (*coresight_read_fn)(const struct device *, u32 offset);
-#define __coresight_simple_func(type, func, name, lo_off, hi_off)      \
+#define __coresight_simple_show(type, name, lo_off, hi_off)            \
 static ssize_t name##_show(struct device *_dev,                                \
                           struct device_attribute *attr, char *buf)    \
 {                                                                      \
        type *drvdata = dev_get_drvdata(_dev->parent);                  \
-       coresight_read_fn fn = func;                                    \
        u64 val;                                                        \
        pm_runtime_get_sync(_dev->parent);                              \
-       if (fn)                                                         \
-               val = (u64)fn(_dev->parent, lo_off);                    \
-       else                                                            \
-               val = coresight_read_reg_pair(drvdata->base,            \
-                                                lo_off, hi_off);       \
+       val = coresight_read_reg_pair(drvdata->base, 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_func(type, func, name, offset)                        \
-       __coresight_simple_func(type, func, name, offset, -1)
 #define coresight_simple_reg32(type, name, offset)                     \
-       __coresight_simple_func(type, NULL, name, offset, -1)
+       __coresight_simple_show(type, name, offset, -1)
 #define coresight_simple_reg64(type, name, lo_off, hi_off)             \
-       __coresight_simple_func(type, NULL, name, lo_off, hi_off)
+       __coresight_simple_show(type, name, lo_off, hi_off)
 
 extern const u32 coresight_barrier_pkt[4];
 #define CORESIGHT_BARRIER_PKT_SIZE (sizeof(coresight_barrier_pkt))