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Message-Id: <20220220035321.3870-8-warp5tw@gmail.com>
Date: Sun, 20 Feb 2022 11:53:17 +0800
From: Tyrone Ting <warp5tw@...il.com>
To: avifishman70@...il.com, tmaimon77@...il.com, tali.perry1@...il.com,
venture@...gle.com, yuenn@...gle.com, benjaminfair@...gle.com,
robh+dt@...nel.org, krzysztof.kozlowski@...onical.com,
semen.protsenko@...aro.org, yangyicong@...ilicon.com,
wsa@...nel.org, jie.deng@...el.com, sven@...npeter.dev,
bence98@....bme.hu, christophe.leroy@...roup.eu,
lukas.bulwahn@...il.com, olof@...om.net, arnd@...db.de,
digetx@...il.com, andriy.shevchenko@...ux.intel.com,
warp5tw@...il.com, tali.perry@...oton.com, Avi.Fishman@...oton.com,
tomer.maimon@...oton.com, KWLIU@...oton.com, JJLIU0@...oton.com,
kfting@...oton.com
Cc: openbmc@...ts.ozlabs.org, linux-i2c@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 07/11] i2c: npcm: Add tx complete counter
From: Tali Perry <tali.perry1@...il.com>
tx_complete counter is used to indicate successful transaction
count.
Similar counters for failed tx were previously added.
Fixes: 56a1485b102e ("i2c: npcm7xx: Add Nuvoton NPCM I2C controller driver")
Signed-off-by: Tali Perry <tali.perry1@...il.com>
Signed-off-by: Tyrone Ting <kfting@...oton.com>
---
drivers/i2c/busses/i2c-npcm7xx.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/i2c/busses/i2c-npcm7xx.c b/drivers/i2c/busses/i2c-npcm7xx.c
index 1e6e3f7f59a3..ee4757eff4b3 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;
}
--
2.17.1
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