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authorJames Clark <james.clark@arm.com>2022-08-30 19:26:09 +0200
committerMathieu Poirier <mathieu.poirier@linaro.org>2022-08-31 18:54:26 +0200
commit3727f03e2bc63de56fd00acb8846393106318156 (patch)
treead0573f750ddce4081ef8330eb090da2c1780d2a /drivers/hwtracing
parentcoresight: etm4x: docs: Add documentation for 'ts_source' sysfs interface (diff)
downloadlinux-3727f03e2bc63de56fd00acb8846393106318156.tar.xz
linux-3727f03e2bc63de56fd00acb8846393106318156.zip
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>
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/coresight-priv.h16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index ff1dd2092ac5..f2458b794ef3 100644
--- 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))