linux-kernel - [PATCH 3.10 03/56] tg3: Fix temperature reporting

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Message-Id: <20150929134700.528458534@linuxfoundation.org>
Date:	Tue, 29 Sep 2015 15:46:51 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Jean Delvare <jdelvare@...e.de>,
	Prashant Sreedharan <prashant@...adcom.com>,
	Michael Chan <mchan@...adcom.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.10 03/56] tg3: Fix temperature reporting

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jean Delvare <jdelvare@...e.de>

commit d3d11fe08ccc9bff174fc958722b5661f0932486 upstream.

The temperature registers appear to report values in degrees Celsius
while the hwmon API mandates values to be exposed in millidegrees
Celsius. Do the conversion so that the values reported by "sensors"
are correct.

Fixes: aed93e0bf493 ("tg3: Add hwmon support for temperature")
Signed-off-by: Jean Delvare <jdelvare@...e.de>
Cc: Prashant Sreedharan <prashant@...adcom.com>
Cc: Michael Chan <mchan@...adcom.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/ethernet/broadcom/tg3.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -10518,7 +10518,7 @@ static ssize_t tg3_show_temp(struct devi
 	tg3_ape_scratchpad_read(tp, &temperature, attr->index,
 				sizeof(temperature));
 	spin_unlock_bh(&tp->lock);
-	return sprintf(buf, "%u\n", temperature);
+	return sprintf(buf, "%u\n", temperature * 1000);
 }

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