netdev - [PATCH net 7/7] net:ethernet:aquantia: Show info message if bad firmware version detected.

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Message-Id: <48745acdc819bf5c58e28ce4e64f4ce9d5f6b120.1503496727.git.pavel.belous@aquantia.com>
Date:   Wed, 23 Aug 2017 17:05:08 +0300
From:   Pavel Belous <Pavel.Belous@...antia.com>
To:     "David S . Miller" <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, David Arcari <darcari@...hat.com>,
        Igor Russkikh <Igor.Russkikh@...antia.com>,
        Nadezhda Krupnina <Nadezhda.Krupnina@...antia.com>,
        Simon Edelhaus <simon.edelhaus@...antia.com>,
        Pavel Belous <pavel.belous@...antia.com>,
        Pavel Belous <Pavel.Belous@...antia.com>
Subject: [PATCH net 7/7] net:ethernet:aquantia: Show info message if bad firmware version detected.

From: Pavel Belous <pavel.belous@...antia.com>

We should inform user about wrong firmware version
by printing message in dmesg.

Fixes: 3d2ff7eebe26 ("net: ethernet: aquantia: Atlantic hardware abstraction layer")
Signed-off-by: Pavel Belous <Pavel.Belous@...antia.com>
---
 drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
index eb3ae51..ad4cc53 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c
@@ -141,6 +141,12 @@ static int hw_atl_utils_init_ucp(struct aq_hw_s *self,
 
 	err = hw_atl_utils_ver_match(aq_hw_caps->fw_ver_expected,
 				     aq_hw_read_reg(self, 0x18U));
+
+	if (err < 0)
+		pr_err("%s: Bad FW version detected: expected=%x, actual=%x\n",
+		       AQ_CFG_DRV_NAME,
+		       aq_hw_caps->fw_ver_expected,
+		       aq_hw_read_reg(self, 0x18U));
 	return err;
 }
 
-- 
2.7.4