linux-kernel - [PATCH] i2c: i2c-stm32f7: improve nack debug message

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Message-ID: <1584642115-15378-1-git-send-email-alain.volmat@st.com>
Date:   Thu, 19 Mar 2020 19:21:55 +0100
From:   Alain Volmat <alain.volmat@...com>
To:     <wsa@...-dreams.de>, <pierre-yves.mordret@...com>
CC:     <alain.volmat@...com>, <alexandre.torgue@...com>,
        <linux-i2c@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <fabrice.gasnier@...com>
Subject: [PATCH] i2c: i2c-stm32f7: improve nack debug message

From: Fabrice Gasnier <fabrice.gasnier@...com>

Add information on slave addr in the nack debug message.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
Signed-off-by: Alain Volmat <alain.volmat@...com>
---
 drivers/i2c/busses/i2c-stm32f7.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index 378956ac6d1d..78d40a4cc282 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -1431,7 +1431,8 @@ static irqreturn_t stm32f7_i2c_isr_event(int irq, void *data)
 
 	/* NACK received */
 	if (status & STM32F7_I2C_ISR_NACKF) {
-		dev_dbg(i2c_dev->dev, "<%s>: Receive NACK\n", __func__);
+		dev_dbg(i2c_dev->dev, "<%s>: Receive NACK (addr %x)\n",
+			__func__, f7_msg->addr);
 		writel_relaxed(STM32F7_I2C_ICR_NACKCF, base + STM32F7_I2C_ICR);
 		f7_msg->result = -ENXIO;
 	}
-- 
2.7.4