From: Alain Volmat <alain.volmat@st.com>
To: wsa@the-dreams.de, pierre-yves.mordret@st.com
Cc: alain.volmat@st.com, alexandre.torgue@st.com,
linux-i2c@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, fabrice.gasnier@st.com
Subject: [PATCH] i2c: i2c-stm32f7: improve nack debug message
Date: Thu, 19 Mar 2020 19:21:55 +0100 [thread overview]
Message-ID: <1584642115-15378-1-git-send-email-alain.volmat@st.com> (raw)
From: Fabrice Gasnier <fabrice.gasnier@st.com>
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>
---
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
next reply other threads:[~2020-03-19 18:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 18:21 Alain Volmat [this message]
2020-03-30 8:41 ` [PATCH] i2c: i2c-stm32f7: improve nack debug message Pierre Yves MORDRET
2020-04-15 11:01 ` Wolfram Sang
2020-04-15 11:35 ` Alain Volmat
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