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From: Pavel Machek <pavel@ucw.cz>
To: andrew@lunn.ch, vivien.didelot@savoirfairelinux.com,
	netdev@vger.kernel.org, f.fainelli@gmail.com
Cc: buytenh@marvell.com, buytenh@wantstofly.org, nico@marvell.com
Subject: [PATCH] mv88e6060: Warn about errors
Date: Thu, 6 Dec 2018 14:01:45 +0100	[thread overview]
Message-ID: <20181206130145.GB22343@amd> (raw)
In-Reply-To: <20181206130051.GA22343@amd>

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Errors communicating with the chip are not expected, warn about them.
    
Signed-off-by: Pavel Machek <pavel@ucw.cz>

diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
index 65f10fec25b3..f43104f48dbb 100644
--- a/drivers/net/dsa/mv88e6060.c
+++ b/drivers/net/dsa/mv88e6060.c
@@ -30,8 +30,10 @@ static int reg_read(struct dsa_switch *ds, int addr, int reg)
 		int __ret;					\
 								\
 		__ret = reg_read(ds, addr, reg);		\
-		if (__ret < 0)					\
+		if (__ret < 0) {				\
+			printk("mv88e6060: error reading %x/%x\n", addr, reg);	\
 			return __ret;				\
+		}						\
 		__ret;						\
 	})
 
@@ -48,8 +50,10 @@ static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val)
 		int __ret;					\
 								\
 		__ret = reg_write(ds, addr, reg, val);		\
-		if (__ret < 0)					\
+		if (__ret < 0)  {                               \
+			printk("mv88e6060: error writing %x/%x\n", addr, reg);	\
 			return __ret;				\
+		}						\
 	})
 
 static const char *mv88e6060_get_name(struct mii_bus *bus, int sw_addr)



-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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  reply	other threads:[~2018-12-06 13:01 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-15 19:51 DSA support for Marvell 88e6065 switch Pavel Machek
2018-11-15 20:26 ` Andrew Lunn
2018-11-18 18:07   ` Pavel Machek
2018-11-18 18:20     ` Andrew Lunn
2018-11-18 20:15       ` Pavel Machek
2018-11-19  3:25         ` Andrew Lunn
2018-11-22 13:21           ` Pavel Machek
2018-11-22 15:33             ` Lennert Buytenhek
2018-11-22 20:27               ` Pavel Machek
2018-12-03  1:42                 ` Lennert Buytenhek
2018-12-05 20:46                   ` Pavel Machek
2018-12-05 22:20                     ` Florian Fainelli
2018-12-06 14:40                       ` Pavel Machek
2019-01-29 22:57       ` mv88e6xxx -- DSA support for Marvell 88e6065 switch (and maybe 88e6060?) Pavel Machek
2019-01-29 23:12         ` Andrew Lunn
2019-01-29 23:21         ` Vivien Didelot
2018-12-06 13:00 ` Well supported DSA switches, support for Marvell 88e6065 switch Pavel Machek
2018-12-06 13:01   ` Pavel Machek [this message]
2018-12-06 20:21     ` [PATCH] mv88e6060: Warn about errors David Miller
2018-12-06 20:36       ` Pavel Machek
2018-12-06 13:02   ` [RFD] mv88e6060: Allow the driver to be probed from device tree Pavel Machek
2018-12-06 18:32     ` kbuild test robot
2018-12-15  8:41     ` kbuild test robot
2018-12-06 13:03   ` mv88e6060: Turn e6060 driver into e6065 driver Pavel Machek
2018-12-06 20:23     ` David Miller
2018-12-06 20:35       ` Pavel Machek
2018-12-06 13:05   ` [PATCH] dsa device tree bindings: fix typo and wrong example Pavel Machek
2018-12-06 13:28     ` Vokáč Michal
2019-01-07 18:49       ` Pavel Machek
2019-01-07 18:53         ` Florian Fainelli
2018-12-06 13:06   ` [RFC] tag_daddr: add tagging scheme used by Marvel 88e6065 switch Pavel Machek

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