Re: [net-next: PATCH v3 3/8] net: dsa: switch to device_/fwnode_ APIs

From: kernel test robot
Date: Thu Jul 28 2022 - 04:13:22 EST


Hi Marcin,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20220726]
[cannot apply to driver-core/driver-core-testing robh/for-next horms-ipvs/master linus/master v5.19-rc8 v5.19-rc7 v5.19-rc6 v5.19-rc8]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Marcin-Wojtas/DSA-switch-to-fwnode_-device_/20220727-144515
base: 058affafc65a74cf54499fb578b66ad0b18f939b
:::::: branch date: 24 hours ago
:::::: commit date: 24 hours ago
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220728/202207281516.7lNRXIgu-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
# https://github.com/intel-lab-lkp/linux/commit/0cd0cba4df268433a47eb7d7e6c4b657dac14cbc
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Marcin-Wojtas/DSA-switch-to-fwnode_-device_/20220727-144515
git checkout 0cd0cba4df268433a47eb7d7e6c4b657dac14cbc
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

drivers/net/dsa/mt7530.c: In function 'mt7530_setup':
drivers/net/dsa/mt7530.c:2254:63: error: passing argument 2 of 'of_get_phy_mode' from incompatible pointer type [-Werror=incompatible-pointer-types]
2254 | ret = of_get_phy_mode(mac_np, &interface);
| ^~~~~~~~~~
| |
| int *
In file included from drivers/net/dsa/mt7530.c:15:
include/linux/of_net.h:15:69: note: expected 'phy_interface_t *' but argument is of type 'int *'
15 | extern int of_get_phy_mode(struct device_node *np, phy_interface_t *interface);
| ~~~~~~~~~~~~~~~~~^~~~~~~~~
cc1: some warnings being treated as errors


vim +/of_get_phy_mode +2254 drivers/net/dsa/mt7530.c

ba751e28d442557 DENG Qingfang 2021-05-19 2103 b8f126a8d54318b Sean Wang 2017-04-07 2104 static int
b8f126a8d54318b Sean Wang 2017-04-07 2105 mt7530_setup(struct dsa_switch *ds)
b8f126a8d54318b Sean Wang 2017-04-07 2106 {
b8f126a8d54318b Sean Wang 2017-04-07 2107 struct mt7530_priv *priv = ds->priv;
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2108 struct device_node *dn = NULL;
38f790a805609b2 René van Dorst 2019-09-02 2109 struct device_node *phy_node;
38f790a805609b2 René van Dorst 2019-09-02 2110 struct device_node *mac_np;
b8f126a8d54318b Sean Wang 2017-04-07 2111 struct mt7530_dummy_poll p;
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2112 struct dsa_port *cpu_dp;
0cd0cba4df26843 Marcin Wojtas 2022-07-27 2113 int interface;
ca366d6c889b5d3 René van Dorst 2019-09-02 2114 u32 id, val;
ca366d6c889b5d3 René van Dorst 2019-09-02 2115 int ret, i;
b8f126a8d54318b Sean Wang 2017-04-07 2116 0abfd494deefdba Vivien Didelot 2017-09-20 2117 /* The parent node of master netdev which holds the common system
b8f126a8d54318b Sean Wang 2017-04-07 2118 * controller also is the container for two GMACs nodes representing
b8f126a8d54318b Sean Wang 2017-04-07 2119 * as two netdev instances.
b8f126a8d54318b Sean Wang 2017-04-07 2120 */
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2121 dsa_switch_for_each_cpu_port(cpu_dp, ds) {
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2122 dn = cpu_dp->master->dev.of_node->parent;
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2123 /* It doesn't matter which CPU port is found first,
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2124 * their masters should share the same parent OF node
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2125 */
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2126 break;
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2127 }
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2128 6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2129 if (!dn) {
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2130 dev_err(ds->dev, "parent OF node of DSA master not found");
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2131 return -EINVAL;
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2132 }
6e19bc26cccdd34 Frank Wunderlich 2022-06-10 2133 0b69c54c74bcb60 DENG Qingfang 2021-08-04 2134 ds->assisted_learning_on_cpu_port = true;
771c8901568dd87 DENG Qingfang 2020-12-11 2135 ds->mtu_enforcement_ingress = true;
ddda1ac116c852b Greg Ungerer 2019-01-30 2136 ddda1ac116c852b Greg Ungerer 2019-01-30 2137 if (priv->id == ID_MT7530) {
b8f126a8d54318b Sean Wang 2017-04-07 2138 regulator_set_voltage(priv->core_pwr, 1000000, 1000000);
b8f126a8d54318b Sean Wang 2017-04-07 2139 ret = regulator_enable(priv->core_pwr);
b8f126a8d54318b Sean Wang 2017-04-07 2140 if (ret < 0) {
b8f126a8d54318b Sean Wang 2017-04-07 2141 dev_err(priv->dev,
b8f126a8d54318b Sean Wang 2017-04-07 2142 "Failed to enable core power: %d\n", ret);
b8f126a8d54318b Sean Wang 2017-04-07 2143 return ret;
b8f126a8d54318b Sean Wang 2017-04-07 2144 }
b8f126a8d54318b Sean Wang 2017-04-07 2145 b8f126a8d54318b Sean Wang 2017-04-07 2146 regulator_set_voltage(priv->io_pwr, 3300000, 3300000);
b8f126a8d54318b Sean Wang 2017-04-07 2147 ret = regulator_enable(priv->io_pwr);
b8f126a8d54318b Sean Wang 2017-04-07 2148 if (ret < 0) {
b8f126a8d54318b Sean Wang 2017-04-07 2149 dev_err(priv->dev, "Failed to enable io pwr: %d\n",
b8f126a8d54318b Sean Wang 2017-04-07 2150 ret);
b8f126a8d54318b Sean Wang 2017-04-07 2151 return ret;
b8f126a8d54318b Sean Wang 2017-04-07 2152 }
ddda1ac116c852b Greg Ungerer 2019-01-30 2153 }
b8f126a8d54318b Sean Wang 2017-04-07 2154 b8f126a8d54318b Sean Wang 2017-04-07 2155 /* Reset whole chip through gpio pin or memory-mapped registers for
b8f126a8d54318b Sean Wang 2017-04-07 2156 * different type of hardware
b8f126a8d54318b Sean Wang 2017-04-07 2157 */
b8f126a8d54318b Sean Wang 2017-04-07 2158 if (priv->mcm) {
b8f126a8d54318b Sean Wang 2017-04-07 2159 reset_control_assert(priv->rstc);
b8f126a8d54318b Sean Wang 2017-04-07 2160 usleep_range(1000, 1100);
b8f126a8d54318b Sean Wang 2017-04-07 2161 reset_control_deassert(priv->rstc);
b8f126a8d54318b Sean Wang 2017-04-07 2162 } else {
b8f126a8d54318b Sean Wang 2017-04-07 2163 gpiod_set_value_cansleep(priv->reset, 0);
b8f126a8d54318b Sean Wang 2017-04-07 2164 usleep_range(1000, 1100);
b8f126a8d54318b Sean Wang 2017-04-07 2165 gpiod_set_value_cansleep(priv->reset, 1);
b8f126a8d54318b Sean Wang 2017-04-07 2166 }
b8f126a8d54318b Sean Wang 2017-04-07 2167 b8f126a8d54318b Sean Wang 2017-04-07 2168 /* Waiting for MT7530 got to stable */
b8f126a8d54318b Sean Wang 2017-04-07 2169 INIT_MT7530_DUMMY_POLL(&p, priv, MT7530_HWTRAP);
b8f126a8d54318b Sean Wang 2017-04-07 2170 ret = readx_poll_timeout(_mt7530_read, &p, val, val != 0,
b8f126a8d54318b Sean Wang 2017-04-07 2171 20, 1000000);
b8f126a8d54318b Sean Wang 2017-04-07 2172 if (ret < 0) {
b8f126a8d54318b Sean Wang 2017-04-07 2173 dev_err(priv->dev, "reset timeout\n");
b8f126a8d54318b Sean Wang 2017-04-07 2174 return ret;
b8f126a8d54318b Sean Wang 2017-04-07 2175 }
b8f126a8d54318b Sean Wang 2017-04-07 2176 b8f126a8d54318b Sean Wang 2017-04-07 2177 id = mt7530_read(priv, MT7530_CREV);
b8f126a8d54318b Sean Wang 2017-04-07 2178 id >>= CHIP_NAME_SHIFT;
b8f126a8d54318b Sean Wang 2017-04-07 2179 if (id != MT7530_ID) {
b8f126a8d54318b Sean Wang 2017-04-07 2180 dev_err(priv->dev, "chip %x can't be supported\n", id);
b8f126a8d54318b Sean Wang 2017-04-07 2181 return -ENODEV;
b8f126a8d54318b Sean Wang 2017-04-07 2182 }
b8f126a8d54318b Sean Wang 2017-04-07 2183 b8f126a8d54318b Sean Wang 2017-04-07 2184 /* Reset the switch through internal reset */
b8f126a8d54318b Sean Wang 2017-04-07 2185 mt7530_write(priv, MT7530_SYS_CTRL,
b8f126a8d54318b Sean Wang 2017-04-07 2186 SYS_CTRL_PHY_RST | SYS_CTRL_SW_RST |
b8f126a8d54318b Sean Wang 2017-04-07 2187 SYS_CTRL_REG_RST);
b8f126a8d54318b Sean Wang 2017-04-07 2188 b8f126a8d54318b Sean Wang 2017-04-07 2189 /* Enable Port 6 only; P5 as GMAC5 which currently is not supported */
b8f126a8d54318b Sean Wang 2017-04-07 2190 val = mt7530_read(priv, MT7530_MHWTRAP);
b8f126a8d54318b Sean Wang 2017-04-07 2191 val &= ~MHWTRAP_P6_DIS & ~MHWTRAP_PHY_ACCESS;
b8f126a8d54318b Sean Wang 2017-04-07 2192 val |= MHWTRAP_MANUAL;
b8f126a8d54318b Sean Wang 2017-04-07 2193 mt7530_write(priv, MT7530_MHWTRAP, val);
b8f126a8d54318b Sean Wang 2017-04-07 2194 ca366d6c889b5d3 René van Dorst 2019-09-02 2195 priv->p6_interface = PHY_INTERFACE_MODE_NA;
ca366d6c889b5d3 René van Dorst 2019-09-02 2196 b8f126a8d54318b Sean Wang 2017-04-07 2197 /* Enable and reset MIB counters */
b8f126a8d54318b Sean Wang 2017-04-07 2198 mt7530_mib_reset(ds);
b8f126a8d54318b Sean Wang 2017-04-07 2199 b8f126a8d54318b Sean Wang 2017-04-07 2200 for (i = 0; i < MT7530_NUM_PORTS; i++) {
b8f126a8d54318b Sean Wang 2017-04-07 2201 /* Disable forwarding by default on all ports */
b8f126a8d54318b Sean Wang 2017-04-07 2202 mt7530_rmw(priv, MT7530_PCR_P(i), PCR_MATRIX_MASK,
b8f126a8d54318b Sean Wang 2017-04-07 2203 PCR_MATRIX_CLR);
b8f126a8d54318b Sean Wang 2017-04-07 2204 0b69c54c74bcb60 DENG Qingfang 2021-08-04 2205 /* Disable learning by default on all ports */
0b69c54c74bcb60 DENG Qingfang 2021-08-04 2206 mt7530_set(priv, MT7530_PSC_P(i), SA_DIS);
0b69c54c74bcb60 DENG Qingfang 2021-08-04 2207 0ce0c3cd2239502 Alex Dewar 2020-09-19 2208 if (dsa_is_cpu_port(ds, i)) {
0ce0c3cd2239502 Alex Dewar 2020-09-19 2209 ret = mt753x_cpu_port_enable(ds, i);
0ce0c3cd2239502 Alex Dewar 2020-09-19 2210 if (ret)
0ce0c3cd2239502 Alex Dewar 2020-09-19 2211 return ret;
5a30833b9a16f8d DENG Qingfang 2021-03-16 2212 } else {
75104db0cb353ec Andrew Lunn 2019-02-24 2213 mt7530_port_disable(ds, i);
6087175b7991a90 DENG Qingfang 2021-08-04 2214 6087175b7991a90 DENG Qingfang 2021-08-04 2215 /* Set default PVID to 0 on all user ports */
6087175b7991a90 DENG Qingfang 2021-08-04 2216 mt7530_rmw(priv, MT7530_PPBV1_P(i), G0_PORT_VID_MASK,
6087175b7991a90 DENG Qingfang 2021-08-04 2217 G0_PORT_VID_DEF);
5a30833b9a16f8d DENG Qingfang 2021-03-16 2218 }
e045124e93995fe DENG Qingfang 2020-04-14 2219 /* Enable consistent egress tag */
e045124e93995fe DENG Qingfang 2020-04-14 2220 mt7530_rmw(priv, MT7530_PVC_P(i), PVC_EG_TAG_MASK,
e045124e93995fe DENG Qingfang 2020-04-14 2221 PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT));
b8f126a8d54318b Sean Wang 2017-04-07 2222 }
b8f126a8d54318b Sean Wang 2017-04-07 2223 1ca8a193cade7f4 DENG Qingfang 2021-08-25 2224 /* Setup VLAN ID 0 for VLAN-unaware bridges */
1ca8a193cade7f4 DENG Qingfang 2021-08-25 2225 ret = mt7530_setup_vlan0(priv);
1ca8a193cade7f4 DENG Qingfang 2021-08-25 2226 if (ret)
1ca8a193cade7f4 DENG Qingfang 2021-08-25 2227 return ret;
1ca8a193cade7f4 DENG Qingfang 2021-08-25 2228 38f790a805609b2 René van Dorst 2019-09-02 2229 /* Setup port 5 */
38f790a805609b2 René van Dorst 2019-09-02 2230 priv->p5_intf_sel = P5_DISABLED;
38f790a805609b2 René van Dorst 2019-09-02 2231 interface = PHY_INTERFACE_MODE_NA;
38f790a805609b2 René van Dorst 2019-09-02 2232 38f790a805609b2 René van Dorst 2019-09-02 2233 if (!dsa_is_unused_port(ds, 5)) {
38f790a805609b2 René van Dorst 2019-09-02 2234 priv->p5_intf_sel = P5_INTF_SEL_GMAC5;
0cd0cba4df26843 Marcin Wojtas 2022-07-27 2235 interface = fwnode_get_phy_mode(dsa_to_port(ds, 5)->fwnode);
0cd0cba4df26843 Marcin Wojtas 2022-07-27 2236 if (interface < 0)
0c65b2b90d13c1d Andrew Lunn 2019-11-04 2237 return ret;
38f790a805609b2 René van Dorst 2019-09-02 2238 } else {
38f790a805609b2 René van Dorst 2019-09-02 2239 /* Scan the ethernet nodes. look for GMAC1, lookup used phy */
38f790a805609b2 René van Dorst 2019-09-02 2240 for_each_child_of_node(dn, mac_np) {
38f790a805609b2 René van Dorst 2019-09-02 2241 if (!of_device_is_compatible(mac_np,
38f790a805609b2 René van Dorst 2019-09-02 2242 "mediatek,eth-mac"))
38f790a805609b2 René van Dorst 2019-09-02 2243 continue;
38f790a805609b2 René van Dorst 2019-09-02 2244 38f790a805609b2 René van Dorst 2019-09-02 2245 ret = of_property_read_u32(mac_np, "reg", &id);
38f790a805609b2 René van Dorst 2019-09-02 2246 if (ret < 0 || id != 1)
38f790a805609b2 René van Dorst 2019-09-02 2247 continue;
38f790a805609b2 René van Dorst 2019-09-02 2248 38f790a805609b2 René van Dorst 2019-09-02 2249 phy_node = of_parse_phandle(mac_np, "phy-handle", 0);
0452800f6db4ed0 Chuanhong Guo 2020-04-03 2250 if (!phy_node)
0452800f6db4ed0 Chuanhong Guo 2020-04-03 2251 continue;
0452800f6db4ed0 Chuanhong Guo 2020-04-03 2252 38f790a805609b2 René van Dorst 2019-09-02 2253 if (phy_node->parent == priv->dev->of_node->parent) {
0c65b2b90d13c1d Andrew Lunn 2019-11-04 @2254 ret = of_get_phy_mode(mac_np, &interface);
8e4efd4706f77d7 Sumera Priyadarsini 2020-08-25 2255 if (ret && ret != -ENODEV) {
8e4efd4706f77d7 Sumera Priyadarsini 2020-08-25 2256 of_node_put(mac_np);
a9e9b091a1c14ec Yang Yingliang 2022-04-28 2257 of_node_put(phy_node);
0c65b2b90d13c1d Andrew Lunn 2019-11-04 2258 return ret;
8e4efd4706f77d7 Sumera Priyadarsini 2020-08-25 2259 }
38f790a805609b2 René van Dorst 2019-09-02 2260 id = of_mdio_parse_addr(ds->dev, phy_node);
38f790a805609b2 René van Dorst 2019-09-02 2261 if (id == 0)
38f790a805609b2 René van Dorst 2019-09-02 2262 priv->p5_intf_sel = P5_INTF_SEL_PHY_P0;
38f790a805609b2 René van Dorst 2019-09-02 2263 if (id == 4)
38f790a805609b2 René van Dorst 2019-09-02 2264 priv->p5_intf_sel = P5_INTF_SEL_PHY_P4;
38f790a805609b2 René van Dorst 2019-09-02 2265 }
8e4efd4706f77d7 Sumera Priyadarsini 2020-08-25 2266 of_node_put(mac_np);
38f790a805609b2 René van Dorst 2019-09-02 2267 of_node_put(phy_node);
38f790a805609b2 René van Dorst 2019-09-02 2268 break;
38f790a805609b2 René van Dorst 2019-09-02 2269 }
38f790a805609b2 René van Dorst 2019-09-02 2270 }
38f790a805609b2 René van Dorst 2019-09-02 2271
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