From: Fabrice Gasnier <fabrice.gasnier@st.com>
Date: Thu, 19 Mar 2020 18:21:55 +0000 (+0100)
Subject: i2c: i2c-stm32f7: improve nack debug message
X-Git-Tag: v5.8-rc1~9^2~98
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=79d48da381ca977c60e17bdebd2e6f7c4c390df8;p=users%2Fdwmw2%2Flinux.git

i2c: i2c-stm32f7: improve nack debug message

Add information on slave addr in the nack debug message.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Alain Volmat <alain.volmat@st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---

diff --git a/drivers/i2c/busses/i2c-stm32f7.c b/drivers/i2c/busses/i2c-stm32f7.c
index cf48f8df4423a..8102e33a67539 100644
--- a/drivers/i2c/busses/i2c-stm32f7.c
+++ b/drivers/i2c/busses/i2c-stm32f7.c
@@ -1462,7 +1462,8 @@ 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;
 	}