From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Jonathan McDowell <noodles@earth.li>,
Andrew Lunn <andrew@lunn.ch>,
Vivien Didelot <vivien.didelot@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
linux-kernel@vger.kernel.org
Cc: lkp@intel.com, kbuild-all@lists.01.org, netdev@vger.kernel.org
Subject: Re: [PATCH 2/2] net: dsa: qca8k: introduce SGMII configuration options
Date: Fri, 19 Jun 2020 11:12:04 +0300 [thread overview]
Message-ID: <20200619081204.GW4151@kadam> (raw)
In-Reply-To: <8ddd76e484e1bedd12c87ea0810826b60e004a65.1591380105.git.noodles@earth.li>
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Hi Jonathan,
url: https://github.com/0day-ci/linux/commits/Jonathan-McDowell/net-dsa-qca8k-Add-SGMII-configuration-options/20200606-021254
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: i386-randconfig-m021-20200618 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/net/dsa/qca8k.c:438 qca8k_setup_sgmii() error: uninitialized symbol 'mode'.
# https://github.com/0day-ci/linux/commit/27dd896d27e5048d2c402879fb04f6e23536ea72
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 27dd896d27e5048d2c402879fb04f6e23536ea72
vim +/mode +438 drivers/net/dsa/qca8k.c
27dd896d27e5048 Jonathan McDowell 2020-06-05 421 static int
27dd896d27e5048 Jonathan McDowell 2020-06-05 422 qca8k_setup_sgmii(struct qca8k_priv *priv)
27dd896d27e5048 Jonathan McDowell 2020-06-05 423 {
27dd896d27e5048 Jonathan McDowell 2020-06-05 424 const char *mode;
^^^^
27dd896d27e5048 Jonathan McDowell 2020-06-05 425 u32 val;
27dd896d27e5048 Jonathan McDowell 2020-06-05 426
27dd896d27e5048 Jonathan McDowell 2020-06-05 427 val = qca8k_read(priv, QCA8K_REG_SGMII_CTRL);
27dd896d27e5048 Jonathan McDowell 2020-06-05 428
27dd896d27e5048 Jonathan McDowell 2020-06-05 429 val |= QCA8K_SGMII_EN_PLL | QCA8K_SGMII_EN_RX |
27dd896d27e5048 Jonathan McDowell 2020-06-05 430 QCA8K_SGMII_EN_TX | QCA8K_SGMII_EN_SD;
27dd896d27e5048 Jonathan McDowell 2020-06-05 431
27dd896d27e5048 Jonathan McDowell 2020-06-05 432 if (of_property_read_bool(priv->dev->of_node, "sgmii-delay"))
27dd896d27e5048 Jonathan McDowell 2020-06-05 433 val |= QCA8K_SGMII_CLK125M_DELAY;
27dd896d27e5048 Jonathan McDowell 2020-06-05 434
27dd896d27e5048 Jonathan McDowell 2020-06-05 435 if (of_property_read_string(priv->dev->of_node, "sgmii-mode", &mode)) {
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This if condition is reversed.
27dd896d27e5048 Jonathan McDowell 2020-06-05 436 val &= ~QCA8K_SGMII_MODE_CTRL_MASK;
27dd896d27e5048 Jonathan McDowell 2020-06-05 437
27dd896d27e5048 Jonathan McDowell 2020-06-05 @438 if (!strcasecmp(mode, "basex")) {
27dd896d27e5048 Jonathan McDowell 2020-06-05 439 val |= QCA8K_SGMII_MODE_CTRL_BASEX;
27dd896d27e5048 Jonathan McDowell 2020-06-05 440 } else if (!strcasecmp(mode, "mac")) {
27dd896d27e5048 Jonathan McDowell 2020-06-05 441 val |= QCA8K_SGMII_MODE_CTRL_MAC;
27dd896d27e5048 Jonathan McDowell 2020-06-05 442 } else if (!strcasecmp(mode, "phy")) {
27dd896d27e5048 Jonathan McDowell 2020-06-05 443 val |= QCA8K_SGMII_MODE_CTRL_PHY;
27dd896d27e5048 Jonathan McDowell 2020-06-05 444 } else {
27dd896d27e5048 Jonathan McDowell 2020-06-05 445 pr_err("Unrecognised SGMII mode %s\n", mode);
27dd896d27e5048 Jonathan McDowell 2020-06-05 446 return -EINVAL;
27dd896d27e5048 Jonathan McDowell 2020-06-05 447 }
27dd896d27e5048 Jonathan McDowell 2020-06-05 448 }
27dd896d27e5048 Jonathan McDowell 2020-06-05 449
27dd896d27e5048 Jonathan McDowell 2020-06-05 450 qca8k_write(priv, QCA8K_REG_SGMII_CTRL, val);
27dd896d27e5048 Jonathan McDowell 2020-06-05 451
27dd896d27e5048 Jonathan McDowell 2020-06-05 452 return 0;
27dd896d27e5048 Jonathan McDowell 2020-06-05 453 }
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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prev parent reply other threads:[~2020-06-19 8:15 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-05 18:08 [PATCH 0/2] net: dsa: qca8k: Add SGMII configuration options Jonathan McDowell
2020-06-05 18:10 ` [PATCH 1/2] dt-bindings: net: dsa: qca8k: document SGMII properties Jonathan McDowell
2020-06-15 17:45 ` Rob Herring
2020-06-15 18:15 ` Jonathan McDowell
2020-06-05 18:10 ` [PATCH 2/2] net: dsa: qca8k: introduce SGMII configuration options Jonathan McDowell
2020-06-05 18:28 ` Marek Behun
2020-06-05 18:38 ` Andrew Lunn
2020-06-06 7:49 ` Jonathan McDowell
2020-06-06 8:37 ` Russell King - ARM Linux admin
2020-06-06 10:59 ` Jonathan McDowell
2020-06-06 13:43 ` Russell King - ARM Linux admin
2020-06-06 18:02 ` Jonathan McDowell
2020-06-06 14:03 ` Andrew Lunn
2020-06-08 18:39 ` [RFC PATCH v2] net: dsa: qca8k: Improve SGMII interface handling Jonathan McDowell
2020-06-08 19:05 ` Andrew Lunn
2020-06-08 19:10 ` Russell King - ARM Linux admin
2020-06-10 19:13 ` [RFC PATCH v3 0/2] " Jonathan McDowell
2020-06-10 19:14 ` [PATCH 1/2] net: dsa: qca8k: Switch to PHYLINK instead of PHYLIB Jonathan McDowell
2020-06-11 3:15 ` Florian Fainelli
2020-06-11 8:55 ` Russell King - ARM Linux admin
2020-06-11 9:01 ` Vladimir Oltean
2020-06-12 11:53 ` Jonathan McDowell
2020-06-11 8:58 ` Vladimir Oltean
2020-06-11 11:04 ` Jonathan McDowell
2020-06-10 19:15 ` [PATCH 2/2] net: dsa: qca8k: Improve SGMII interface handling Jonathan McDowell
2020-06-11 3:31 ` Florian Fainelli
2020-06-11 17:47 ` Jonathan McDowell
2020-06-11 8:58 ` Russell King - ARM Linux admin
2020-06-10 23:29 ` [RFC PATCH v3 0/2] " David Miller
2020-06-13 11:31 ` [RFC PATCH v4 " Jonathan McDowell
2020-06-13 11:31 ` [RFC PATCH v4 1/2] net: dsa: qca8k: Switch to PHYLINK instead of PHYLIB Jonathan McDowell
2020-06-13 19:30 ` Vladimir Oltean
2020-06-13 11:32 ` [RFC PATCH v4 2/2] net: dsa: qca8k: Improve SGMII interface handling Jonathan McDowell
2020-06-13 20:10 ` Vladimir Oltean
2020-06-14 17:20 ` Jonathan McDowell
2020-06-20 10:30 ` [PATCH net-next v5 0/3] " Jonathan McDowell
2020-06-20 10:30 ` [PATCH net-next v5 1/3] net: dsa: qca8k: Switch to PHYLINK instead of PHYLIB Jonathan McDowell
2020-06-20 10:31 ` [PATCH net-next v5 2/3] net: dsa: qca8k: Improve SGMII interface handling Jonathan McDowell
2020-06-20 10:31 ` [PATCH net-next v5 3/3] net: dsa: qca8k: Minor comment spelling fix Jonathan McDowell
2020-06-22 22:54 ` [PATCH net-next v5 0/3] net: dsa: qca8k: Improve SGMII interface handling David Miller
2020-06-19 8:12 ` Dan Carpenter [this message]
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