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[v5,05/10] i2c: npcm: Add tx complete counter

Message ID 20220517101142.28421-6-warp5tw@gmail.com
State New
Headers show
Series i2c: npcm: Bug fixes timeout, spurious interrupts | expand

Commit Message

Tyrone Ting May 17, 2022, 10:11 a.m. UTC 
From: Tali Perry <tali.perry1@gmail.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@gmail.com>
Signed-off-by: Tyrone Ting <kfting@nuvoton.com>
---
 drivers/i2c/busses/i2c-npcm7xx.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Wolfram Sang May 21, 2022, 5:52 a.m. UTC | #1 
On Tue, May 17, 2022 at 06:11:37PM +0800, Tyrone Ting wrote:
> From: Tali Perry <tali.perry1@gmail.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@gmail.com>
> Signed-off-by: Tyrone Ting <kfting@nuvoton.com>

Applied to for-next, thanks!

I dropped the Fixes tag, doesn't look like a bugfix to me.
Tyrone Ting May 21, 2022, 12:57 p.m. UTC | #2 
Hi Wolfram:

Thank you for your help and review.

Wolfram Sang <wsa@kernel.org> 於 2022年5月21日 週六 下午1:52寫道：
>
> On Tue, May 17, 2022 at 06:11:37PM +0800, Tyrone Ting wrote:
> > From: Tali Perry <tali.perry1@gmail.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@gmail.com>
> > Signed-off-by: Tyrone Ting <kfting@nuvoton.com>
>
> Applied to for-next, thanks!
>
> I dropped the Fixes tag, doesn't look like a bugfix to me.
>

Best Regards,
Tyrone
diff mbox series

Patch

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;
 }