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Message-ID: <202201130213.dT2X0nSH-lkp@intel.com>
Date: Thu, 13 Jan 2022 02:32:13 +0800
From: kernel test robot <lkp@...el.com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [rmk-arm:zii 126/163] drivers/net/dsa/qca8k.c:1479:1: warning:
conflicting types for 'qca8k_mac_config_setup_internal_delay'; have
'void(struct qca8k_priv *, int, u32)' {aka 'void(struct qca8k_priv *, int,
unsigned int)'}
tree: git://git.armlinux.org.uk/~rmk/linux-arm zii
head: 75fbe1376b387397df2fa36fefb21919e1810507
commit: 0f97877cdf828e5a96b14fbb2d9d49600d54dd8e [126/163] net: dsa: qca8k: convert to use phylink_pcs
config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20220113/202201130213.dT2X0nSH-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git remote add rmk-arm git://git.armlinux.org.uk/~rmk/linux-arm
git fetch --no-tags rmk-arm zii
git checkout 0f97877cdf828e5a96b14fbb2d9d49600d54dd8e
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=s390 SHELL=/bin/bash drivers/net/dsa/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
drivers/net/dsa/qca8k.c: In function 'qca8k_pcs_config':
drivers/net/dsa/qca8k.c:1185:17: error: implicit declaration of function 'qca8k_mac_config_setup_internal_delay' [-Werror=implicit-function-declaration]
1185 | qca8k_mac_config_setup_internal_delay(priv, cpu_port_index, reg);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/qca8k.c: At top level:
>> drivers/net/dsa/qca8k.c:1479:1: warning: conflicting types for 'qca8k_mac_config_setup_internal_delay'; have 'void(struct qca8k_priv *, int, u32)' {aka 'void(struct qca8k_priv *, int, unsigned int)'}
1479 | qca8k_mac_config_setup_internal_delay(struct qca8k_priv *priv, int cpu_port_index,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/dsa/qca8k.c:1479:1: error: static declaration of 'qca8k_mac_config_setup_internal_delay' follows non-static declaration
drivers/net/dsa/qca8k.c:1185:17: note: previous implicit declaration of 'qca8k_mac_config_setup_internal_delay' with type 'void(struct qca8k_priv *, int, u32)' {aka 'void(struct qca8k_priv *, int, unsigned int)'}
1185 | qca8k_mac_config_setup_internal_delay(priv, cpu_port_index, reg);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +1479 drivers/net/dsa/qca8k.c
0f97877cdf828e Russell King (Oracle 2021-11-23 1477)
cef08115846e58 Ansuel Smith 2021-10-14 1478 static void
cef08115846e58 Ansuel Smith 2021-10-14 @1479 qca8k_mac_config_setup_internal_delay(struct qca8k_priv *priv, int cpu_port_index,
cef08115846e58 Ansuel Smith 2021-10-14 1480 u32 reg)
cef08115846e58 Ansuel Smith 2021-10-14 1481 {
cef08115846e58 Ansuel Smith 2021-10-14 1482 u32 delay, val = 0;
cef08115846e58 Ansuel Smith 2021-10-14 1483 int ret;
cef08115846e58 Ansuel Smith 2021-10-14 1484
cef08115846e58 Ansuel Smith 2021-10-14 1485 /* Delay can be declared in 3 different way.
cef08115846e58 Ansuel Smith 2021-10-14 1486 * Mode to rgmii and internal-delay standard binding defined
cef08115846e58 Ansuel Smith 2021-10-14 1487 * rgmii-id or rgmii-tx/rx phy mode set.
cef08115846e58 Ansuel Smith 2021-10-14 1488 * The parse logic set a delay different than 0 only when one
cef08115846e58 Ansuel Smith 2021-10-14 1489 * of the 3 different way is used. In all other case delay is
cef08115846e58 Ansuel Smith 2021-10-14 1490 * not enabled. With ID or TX/RXID delay is enabled and set
cef08115846e58 Ansuel Smith 2021-10-14 1491 * to the default and recommended value.
cef08115846e58 Ansuel Smith 2021-10-14 1492 */
fd0bb28c547f7c Ansuel Smith 2021-10-14 1493 if (priv->ports_config.rgmii_tx_delay[cpu_port_index]) {
fd0bb28c547f7c Ansuel Smith 2021-10-14 1494 delay = priv->ports_config.rgmii_tx_delay[cpu_port_index];
cef08115846e58 Ansuel Smith 2021-10-14 1495
cef08115846e58 Ansuel Smith 2021-10-14 1496 val |= QCA8K_PORT_PAD_RGMII_TX_DELAY(delay) |
cef08115846e58 Ansuel Smith 2021-10-14 1497 QCA8K_PORT_PAD_RGMII_TX_DELAY_EN;
cef08115846e58 Ansuel Smith 2021-10-14 1498 }
cef08115846e58 Ansuel Smith 2021-10-14 1499
fd0bb28c547f7c Ansuel Smith 2021-10-14 1500 if (priv->ports_config.rgmii_rx_delay[cpu_port_index]) {
fd0bb28c547f7c Ansuel Smith 2021-10-14 1501 delay = priv->ports_config.rgmii_rx_delay[cpu_port_index];
cef08115846e58 Ansuel Smith 2021-10-14 1502
cef08115846e58 Ansuel Smith 2021-10-14 1503 val |= QCA8K_PORT_PAD_RGMII_RX_DELAY(delay) |
cef08115846e58 Ansuel Smith 2021-10-14 1504 QCA8K_PORT_PAD_RGMII_RX_DELAY_EN;
cef08115846e58 Ansuel Smith 2021-10-14 1505 }
cef08115846e58 Ansuel Smith 2021-10-14 1506
cef08115846e58 Ansuel Smith 2021-10-14 1507 /* Set RGMII delay based on the selected values */
cef08115846e58 Ansuel Smith 2021-10-14 1508 ret = qca8k_rmw(priv, reg,
cef08115846e58 Ansuel Smith 2021-10-14 1509 QCA8K_PORT_PAD_RGMII_TX_DELAY_MASK |
cef08115846e58 Ansuel Smith 2021-10-14 1510 QCA8K_PORT_PAD_RGMII_RX_DELAY_MASK |
cef08115846e58 Ansuel Smith 2021-10-14 1511 QCA8K_PORT_PAD_RGMII_TX_DELAY_EN |
cef08115846e58 Ansuel Smith 2021-10-14 1512 QCA8K_PORT_PAD_RGMII_RX_DELAY_EN,
cef08115846e58 Ansuel Smith 2021-10-14 1513 val);
cef08115846e58 Ansuel Smith 2021-10-14 1514 if (ret)
cef08115846e58 Ansuel Smith 2021-10-14 1515 dev_err(priv->dev, "Failed to set internal delay for CPU port%d",
cef08115846e58 Ansuel Smith 2021-10-14 1516 cpu_port_index == QCA8K_CPU_PORT0 ? 0 : 6);
cef08115846e58 Ansuel Smith 2021-10-14 1517 }
cef08115846e58 Ansuel Smith 2021-10-14 1518
:::::: The code at line 1479 was first introduced by commit
:::::: cef08115846e581f80ff99abf7bf218da1840616 net: dsa: qca8k: set internal delay also for sgmii
:::::: TO: Ansuel Smith <ansuelsmth@...il.com>
:::::: CC: David S. Miller <davem@...emloft.net>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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