Messages in this thread Patch in this message | | | Date | Tue, 9 Nov 2021 14:53:21 -0800 | Subject | [RFC Patch Resend 2/2] add npcm7xx debug counters as sysfs attributes | From | Sui Chen <> |
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This change adds npcm7xx debug counters as sysfs attributes using the i2c_adapter_stats_register_counter function.
Signed-off-by: Sui Chen <suichen@google.com> Reviewed-by: Tali Perry <tali.perry1@gmail.com> --- drivers/i2c/busses/i2c-npcm7xx.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c index 2ad166355ec9b..def044207cae2 100644 --- a/drivers/i2c/busses/i2c-npcm7xx.c +++ b/drivers/i2c/busses/i2c-npcm7xx.c @@ -2224,6 +2224,14 @@ static void npcm_i2c_init_debugfs(struct platform_device *pdev, debugfs_create_u64("rec_fail_cnt", 0444, d, &bus->rec_fail_cnt); debugfs_create_u64("timeout_cnt", 0444, d, &bus->timeout_cnt); + /* register debug counters in sysfs */ + i2c_adapter_stats_register_counter(&bus->adap, "ber_cnt", &bus->ber_cnt); + i2c_adapter_stats_register_counter(&bus->adap, "nack_cnt", &bus->nack_cnt); + i2c_adapter_stats_register_counter(&bus->adap, "rec_succ_cnt", &bus->rec_succ_cnt); + i2c_adapter_stats_register_counter(&bus->adap, "rec_fail_cnt", &bus->rec_fail_cnt); + i2c_adapter_stats_register_counter(&bus->adap, "timeout_cnt", &bus->timeout_cnt); + i2c_adapter_stats_register_counter(&bus->adap, "i2c_speed", &bus->bus_freq); + bus->debugfs = d; } -- 2.34.0.rc0.344.g81b53c2807-goog
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