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authorViresh Kumar <viresh.kumar@linaro.org>2022-02-10 14:37:53 +0530
committerViresh Kumar <viresh.kumar@linaro.org>2022-02-11 09:59:04 +0530
commit021dbecabc93b1610b5db989d52a94e0c6671136 (patch)
tree799313959bf164af382f8ac3fcfb732705ea322b /drivers/opp/debugfs.c
parentLinux 5.17-rc1 (diff)
downloadlinux-dev-021dbecabc93b1610b5db989d52a94e0c6671136.tar.xz
linux-dev-021dbecabc93b1610b5db989d52a94e0c6671136.zip
opp: Expose of-node's name in debugfs
It is difficult to find which OPPs are active at the moment, specially if there are multiple OPPs with same frequency available in the device tree (controlled by supported hardware feature). Expose name of the DT node to find out the exact OPP. While at it, also expose level field. Reported-by: Leo Yan <leo.yan@linaro.org> Tested-by: Leo Yan <leo.yan@linaro.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Diffstat (limited to 'drivers/opp/debugfs.c')
-rw-r--r--drivers/opp/debugfs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/opp/debugfs.c b/drivers/opp/debugfs.c
index 596c185b5dda..b5f2f9f39392 100644
--- a/drivers/opp/debugfs.c
+++ b/drivers/opp/debugfs.c
@@ -10,6 +10,7 @@
#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/err.h>
+#include <linux/of.h>
#include <linux/init.h>
#include <linux/limits.h>
#include <linux/slab.h>
@@ -131,9 +132,13 @@ void opp_debug_create_one(struct dev_pm_opp *opp, struct opp_table *opp_table)
debugfs_create_bool("suspend", S_IRUGO, d, &opp->suspend);
debugfs_create_u32("performance_state", S_IRUGO, d, &opp->pstate);
debugfs_create_ulong("rate_hz", S_IRUGO, d, &opp->rate);
+ debugfs_create_u32("level", S_IRUGO, d, &opp->level);
debugfs_create_ulong("clock_latency_ns", S_IRUGO, d,
&opp->clock_latency_ns);
+ opp->of_name = of_node_full_name(opp->np);
+ debugfs_create_str("of_name", S_IRUGO, d, (char **)&opp->of_name);
+
opp_debug_create_supplies(opp, opp_table, d);
opp_debug_create_bw(opp, opp_table, d);