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authorTali Perry <tali.perry1@gmail.com>2022-05-17 18:11:37 +0800
committerWolfram Sang <wsa@kernel.org>2022-05-21 07:52:23 +0200
commit0bf58eb12f05e2f2ae693977206fef868d9c5dce (patch)
treef4c01f3325bdfe2f6cac9af1ef427cc7a8cfad23 /drivers
parent288b204492fddf28889cea6dc95a23976632c7a0 (diff)
downloadlinux-0bf58eb12f05e2f2ae693977206fef868d9c5dce.tar.bz2
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')
-rw-r--r--drivers/i2c/busses/i2c-npcm7xx.c4
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;
}