linux-kernel - [PATCH] staging: pi433: add index value to write dev

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Date:   Fri, 25 Feb 2022 21:03:17 +1300
From:   Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@...il.com>
To:     gregkh@...uxfoundation.org, paulo.miguel.almeida.rodenas@...il.com,
        realwakka@...il.com
Cc:     linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: pi433: add index value to write dev_dbg statement

Add index value to the string that will be printed by dev_dbg for better
easier visualisation when debugging. For instance, if I have a big
message payload that will inevitably get split into chunks, it would be
a hassle trying to debug if the offset of the original payload that got
sent at that time.

This patch adds index value to write dev_dbg statement.

Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@...il.com>
---
 drivers/staging/pi433/rf69.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/pi433/rf69.c b/drivers/staging/pi433/rf69.c
index 901f8db3e3ce..1a0081ebf63c 100644
--- a/drivers/staging/pi433/rf69.c
+++ b/drivers/staging/pi433/rf69.c
@@ -869,7 +869,7 @@ int rf69_write_fifo(struct spi_device *spi, u8 *buffer, unsigned int size)
 
 	/* print content written from fifo for debugging purposes */
 	for (i = 0; i < size; i++)
-		dev_dbg(&spi->dev, "0x%x\n", buffer[i]);
+		dev_dbg(&spi->dev, "%d - 0x%x\n", i, buffer[i]);
 
 	return spi_write(spi, local_buffer, size + 1);
 }
-- 
2.34.1