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| author |   Tali Perry <tali.perry1@gmail.com> | 2022-05-17 18:11:37 +0800 |
|---|---|---|
| committer |   Wolfram Sang <wsa@kernel.org> | 2022-05-21 07:52:23 +0200 |
| commit | 0bf58eb12f05e2f2ae693977206fef868d9c5dce (patch) | |
| tree | f4c01f3325bdfe2f6cac9af1ef427cc7a8cfad23 /drivers/i2c | |
| parent | i2c: npcm: Fix timeout calculation (diff) | |
| download | linux-dev-0bf58eb12f05e2f2ae693977206fef868d9c5dce.tar.xz linux-dev-0bf58eb12f05e2f2ae693977206fef868d9c5dce.zip | |
i2c: npcm: Add tx complete counter
tx_complete counter is used to indicate successful transaction count.
Similar counters for failed tx were previously added.
Signed-off-by: Tali Perry <tali.perry1@gmail.com>
Signed-off-by: Tyrone Ting <kfting@nuvoton.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-npcm7xx.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c index 489b4c8ad0ee..36f8aa7ab106 100644 --- a/drivers/i2c/busses/i2c-npcm7xx.c +++ b/drivers/i2c/busses/i2c-npcm7xx.c @@ -314,6 +314,7 @@ struct npcm_i2c { u64 rec_fail_cnt; u64 nack_cnt; u64 timeout_cnt; + u64 tx_complete_cnt; }; static inline void npcm_i2c_select_bank(struct npcm_i2c *bus, @@ -684,6 +685,8 @@ static void npcm_i2c_callback(struct npcm_i2c *bus, switch (op_status) { case I2C_MASTER_DONE_IND: bus->cmd_err = bus->msgs_num; + if (bus->tx_complete_cnt < ULLONG_MAX) + bus->tx_complete_cnt++; fallthrough; case I2C_BLOCK_BYTES_ERR_IND: /* Master tx finished and all transmit bytes were sent */ @@ -2223,6 +2226,7 @@ static void npcm_i2c_init_debugfs(struct platform_device *pdev, debugfs_create_u64("rec_succ_cnt", 0444, d, &bus->rec_succ_cnt); debugfs_create_u64("rec_fail_cnt", 0444, d, &bus->rec_fail_cnt); debugfs_create_u64("timeout_cnt", 0444, d, &bus->timeout_cnt); + debugfs_create_u64("tx_complete_cnt", 0444, d, &bus->tx_complete_cnt); bus->debugfs = d; } |