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Message-ID: <202403011431.vIVOdwob-lkp@intel.com>
Date: Fri, 1 Mar 2024 15:16:29 +0800
From: kernel test robot <lkp@...el.com>
To: Frank Li <Frank.Li@....com>, Richard Zhu <hongxing.zhu@....com>,
Lucas Stach <l.stach@...gutronix.de>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Krzysztof Wilczyński <kw@...ux.com>,
Rob Herring <robh@...nel.org>, Bjorn Helgaas <helgaas@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Philipp Zabel <p.zabel@...gutronix.de>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-pci@...r.kernel.org, imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
bpf@...r.kernel.org, Frank Li <Frank.Li@....com>
Subject: Re: [PATCH 2/6] PCI: imx6: Rename pci-imx6.c and PCI_IMX6 config
Hi Frank,
kernel test robot noticed the following build warnings:
[auto build test WARNING on b73259dcd67094e883104a0390852695caf3f999]
url: https://github.com/intel-lab-lkp/linux/commits/Frank-Li/PCI-imx6-Rename-imx6_-with-imx_/20240228-055254
base: b73259dcd67094e883104a0390852695caf3f999
patch link: https://lore.kernel.org/r/20240227-pci2_upstream-v1-2-b952f8333606%40nxp.com
patch subject: [PATCH 2/6] PCI: imx6: Rename pci-imx6.c and PCI_IMX6 config
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20240301/202403011431.vIVOdwob-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240301/202403011431.vIVOdwob-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202403011431.vIVOdwob-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/pci/controller/dwc/pci-imx.c:1333:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
1333 | default:
| ^
drivers/pci/controller/dwc/pci-imx.c:1333:2: note: insert 'break;' to avoid fall-through
1333 | default:
| ^
| break;
1 warning generated.
vim +1333 drivers/pci/controller/dwc/pci-imx.c
0ee2c1f2429f74 drivers/pci/controller/dwc/pci-imx6.c Leonard Crestez 2018-08-27 1230
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1231 static int imx_pcie_probe(struct platform_device *pdev)
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1232 {
13957652f7242a drivers/pci/host/pci-imx6.c Bjorn Helgaas 2016-10-06 1233 struct device *dev = &pdev->dev;
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1234 struct dw_pcie *pci;
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1235 struct imx_pcie *imx_pcie;
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1236 struct device_node *np;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1237 struct resource *dbi_base;
13957652f7242a drivers/pci/host/pci-imx6.c Bjorn Helgaas 2016-10-06 1238 struct device_node *node = dev->of_node;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1239 int ret;
75cb8d20c112ab drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2018-12-21 1240 u16 val;
6a40185838759c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1241 int i;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1242
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1243 imx_pcie = devm_kzalloc(dev, sizeof(*imx_pcie), GFP_KERNEL);
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1244 if (!imx_pcie)
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1245 return -ENOMEM;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1246
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1247 pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL);
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1248 if (!pci)
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1249 return -ENOMEM;
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1250
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1251 pci->dev = dev;
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1252 pci->ops = &dw_pcie_ops;
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1253 pci->pp.ops = &imx_pcie_host_ops;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1254
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1255 imx_pcie->pci = pci;
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1256 imx_pcie->drvdata = of_device_get_match_data(dev);
e3c06cd063d69d drivers/pci/host/pci-imx6.c Christoph Fritz 2016-04-05 1257
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1258 /* Find the PHY if one is defined, only imx7d uses it */
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1259 np = of_parse_phandle(node, "fsl,imx7d-pcie-phy", 0);
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1260 if (np) {
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1261 struct resource res;
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1262
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1263 ret = of_address_to_resource(np, 0, &res);
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1264 if (ret) {
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1265 dev_err(dev, "Unable to map PCIe PHY\n");
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1266 return ret;
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1267 }
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1268 imx_pcie->phy_base = devm_ioremap_resource(dev, &res);
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1269 if (IS_ERR(imx_pcie->phy_base))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1270 return PTR_ERR(imx_pcie->phy_base);
1df82ec4660099 drivers/pci/controller/dwc/pci-imx6.c Trent Piepho 2019-02-05 1271 }
e3c06cd063d69d drivers/pci/host/pci-imx6.c Christoph Fritz 2016-04-05 1272
188f46cac267b9 drivers/pci/controller/dwc/pci-imx6.c Yang Li 2023-03-23 1273 pci->dbi_base = devm_platform_get_and_ioremap_resource(pdev, 0, &dbi_base);
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1274 if (IS_ERR(pci->dbi_base))
442ec4c04d1235 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1275 return PTR_ERR(pci->dbi_base);
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1276
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1277 /* Fetch GPIOs */
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1278 imx_pcie->reset_gpio = of_get_named_gpio(node, "reset-gpio", 0);
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1279 imx_pcie->gpio_active_high = of_property_read_bool(node,
3ea8529acc3046 drivers/pci/host/pci-imx6.c Petr Štetiar 2016-04-19 1280 "reset-gpio-active-high");
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1281 if (gpio_is_valid(imx_pcie->reset_gpio)) {
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1282 ret = devm_gpio_request_one(dev, imx_pcie->reset_gpio,
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1283 imx_pcie->gpio_active_high ?
3ea8529acc3046 drivers/pci/host/pci-imx6.c Petr Štetiar 2016-04-19 1284 GPIOF_OUT_INIT_HIGH :
3ea8529acc3046 drivers/pci/host/pci-imx6.c Petr Štetiar 2016-04-19 1285 GPIOF_OUT_INIT_LOW,
3ea8529acc3046 drivers/pci/host/pci-imx6.c Petr Štetiar 2016-04-19 1286 "PCIe reset");
b2d7a9cd3ff8ec drivers/pci/host/pci-imx6.c Fabio Estevam 2016-03-28 1287 if (ret) {
13957652f7242a drivers/pci/host/pci-imx6.c Bjorn Helgaas 2016-10-06 1288 dev_err(dev, "unable to get reset gpio\n");
b2d7a9cd3ff8ec drivers/pci/host/pci-imx6.c Fabio Estevam 2016-03-28 1289 return ret;
b2d7a9cd3ff8ec drivers/pci/host/pci-imx6.c Fabio Estevam 2016-03-28 1290 }
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1291 } else if (imx_pcie->reset_gpio == -EPROBE_DEFER) {
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1292 return imx_pcie->reset_gpio;
b2d7a9cd3ff8ec drivers/pci/host/pci-imx6.c Fabio Estevam 2016-03-28 1293 }
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1294
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1295 if (imx_pcie->drvdata->clks_cnt >= IMX_PCIE_MAX_CLKS)
6a40185838759c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1296 return dev_err_probe(dev, -ENOMEM, "clks_cnt is too big\n");
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1297
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1298 for (i = 0; i < imx_pcie->drvdata->clks_cnt; i++)
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1299 imx_pcie->clks[i].id = imx_pcie->drvdata->clk_names[i];
6a40185838759c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1300
6a40185838759c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1301 /* Fetch clocks */
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1302 ret = devm_clk_bulk_get(dev, imx_pcie->drvdata->clks_cnt, imx_pcie->clks);
6a40185838759c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1303 if (ret)
6a40185838759c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1304 return ret;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1305
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1306 if (imx_check_flag(imx_pcie, IMX_PCIE_FLAG_HAS_PHYDRV)) {
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1307 imx_pcie->phy = devm_phy_get(dev, "pcie-phy");
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1308 if (IS_ERR(imx_pcie->phy))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1309 return dev_err_probe(dev, PTR_ERR(imx_pcie->phy),
4e37c2f48712d5 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1310 "failed to get pcie phy\n");
4e37c2f48712d5 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1311 }
4e37c2f48712d5 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1312
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1313 if (imx_check_flag(imx_pcie, IMX_PCIE_FLAG_HAS_APP_RESET)) {
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1314 imx_pcie->apps_reset = devm_reset_control_get_exclusive(dev, "apps");
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1315 if (IS_ERR(imx_pcie->apps_reset))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1316 return dev_err_probe(dev, PTR_ERR(imx_pcie->apps_reset),
666a7beb942cc6 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1317 "failed to get pcie apps reset control\n");
666a7beb942cc6 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1318 }
666a7beb942cc6 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1319
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1320 if (imx_check_flag(imx_pcie, IMX_PCIE_FLAG_HAS_PHY_RESET)) {
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1321 imx_pcie->pciephy_reset = devm_reset_control_get_exclusive(dev, "pciephy");
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1322 if (IS_ERR(imx_pcie->pciephy_reset))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1323 return dev_err_probe(dev, PTR_ERR(imx_pcie->pciephy_reset),
666a7beb942cc6 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1324 "Failed to get PCIEPHY reset control\n");
666a7beb942cc6 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1325 }
666a7beb942cc6 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1326
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1327 switch (imx_pcie->drvdata->variant) {
2d8ed461dbc9bc drivers/pci/controller/dwc/pci-imx6.c Andrey Smirnov 2019-02-01 1328 case IMX8MQ:
530ba41250b69d drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2023-01-16 1329 case IMX8MQ_EP:
9b3fe6796d7c0e drivers/pci/dwc/pci-imx6.c Andrey Smirnov 2017-03-28 1330 case IMX7D:
2d8ed461dbc9bc drivers/pci/controller/dwc/pci-imx6.c Andrey Smirnov 2019-02-01 1331 if (dbi_base->start == IMX8MQ_PCIE2_BASE_ADDR)
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1332 imx_pcie->controller_id = 1;
9b3fe6796d7c0e drivers/pci/dwc/pci-imx6.c Andrey Smirnov 2017-03-28 @1333 default:
9b3fe6796d7c0e drivers/pci/dwc/pci-imx6.c Andrey Smirnov 2017-03-28 1334 break;
e3c06cd063d69d drivers/pci/host/pci-imx6.c Christoph Fritz 2016-04-05 1335 }
e3c06cd063d69d drivers/pci/host/pci-imx6.c Christoph Fritz 2016-04-05 1336
f4e833ba2a955b drivers/pci/controller/dwc/pci-imx6.c Leonard Crestez 2018-07-19 1337 /* Grab turnoff reset */
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1338 imx_pcie->turnoff_reset = devm_reset_control_get_optional_exclusive(dev, "turnoff");
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1339 if (IS_ERR(imx_pcie->turnoff_reset)) {
f4e833ba2a955b drivers/pci/controller/dwc/pci-imx6.c Leonard Crestez 2018-07-19 1340 dev_err(dev, "Failed to get TURNOFF reset control\n");
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1341 return PTR_ERR(imx_pcie->turnoff_reset);
f4e833ba2a955b drivers/pci/controller/dwc/pci-imx6.c Leonard Crestez 2018-07-19 1342 }
f4e833ba2a955b drivers/pci/controller/dwc/pci-imx6.c Leonard Crestez 2018-07-19 1343
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1344 if (imx_pcie->drvdata->gpr) {
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1345 /* Grab GPR config register range */
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1346 imx_pcie->iomuxc_gpr =
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1347 syscon_regmap_lookup_by_compatible(imx_pcie->drvdata->gpr);
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1348 if (IS_ERR(imx_pcie->iomuxc_gpr))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1349 return dev_err_probe(dev, PTR_ERR(imx_pcie->iomuxc_gpr),
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1350 "unable to find iomuxc registers\n");
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1351 }
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1352
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1353 if (imx_check_flag(imx_pcie, IMX_PCIE_FLAG_HAS_SERDES)) {
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1354 void __iomem *off = devm_platform_ioremap_resource_byname(pdev, "app");
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1355
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1356 if (IS_ERR(off))
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1357 return dev_err_probe(dev, PTR_ERR(off),
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1358 "unable to find serdes registers\n");
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1359
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1360 static const struct regmap_config regmap_config = {
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1361 .reg_bits = 32,
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1362 .val_bits = 32,
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1363 .reg_stride = 4,
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1364 };
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1365
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1366 imx_pcie->iomuxc_gpr = devm_regmap_init_mmio(dev, off, ®map_config);
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1367 if (IS_ERR(imx_pcie->iomuxc_gpr))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1368 return dev_err_probe(dev, PTR_ERR(imx_pcie->iomuxc_gpr),
98e97fb574b112 drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-20 1369 "unable to find iomuxc registers\n");
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1370 }
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1371
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1372 /* Grab PCIe PHY Tx Settings */
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1373 if (of_property_read_u32(node, "fsl,tx-deemph-gen1",
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1374 &imx_pcie->tx_deemph_gen1))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1375 imx_pcie->tx_deemph_gen1 = 0;
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1376
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1377 if (of_property_read_u32(node, "fsl,tx-deemph-gen2-3p5db",
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1378 &imx_pcie->tx_deemph_gen2_3p5db))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1379 imx_pcie->tx_deemph_gen2_3p5db = 0;
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1380
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1381 if (of_property_read_u32(node, "fsl,tx-deemph-gen2-6db",
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1382 &imx_pcie->tx_deemph_gen2_6db))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1383 imx_pcie->tx_deemph_gen2_6db = 20;
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1384
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1385 if (of_property_read_u32(node, "fsl,tx-swing-full",
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1386 &imx_pcie->tx_swing_full))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1387 imx_pcie->tx_swing_full = 127;
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1388
28e3abe591e227 drivers/pci/host/pci-imx6.c Justin Waters 2016-01-15 1389 if (of_property_read_u32(node, "fsl,tx-swing-low",
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1390 &imx_pcie->tx_swing_low))
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1391 imx_pcie->tx_swing_low = 127;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1392
a5fcec480f25eb drivers/pci/host/pci-imx6.c Tim Harvey 2016-04-19 1393 /* Limit link speed */
39bc5006501cc3 drivers/pci/controller/dwc/pci-imx6.c Rob Herring 2020-08-20 1394 pci->link_gen = 1;
65315ec52c9bd5 drivers/pci/controller/dwc/pci-imx6.c Krzysztof Wilczyński 2021-10-03 1395 of_property_read_u32(node, "fsl,max-link-speed", &pci->link_gen);
a5fcec480f25eb drivers/pci/host/pci-imx6.c Tim Harvey 2016-04-19 1396
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1397 imx_pcie->vpcie = devm_regulator_get_optional(&pdev->dev, "vpcie");
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1398 if (IS_ERR(imx_pcie->vpcie)) {
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1399 if (PTR_ERR(imx_pcie->vpcie) != -ENODEV)
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1400 return PTR_ERR(imx_pcie->vpcie);
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1401 imx_pcie->vpcie = NULL;
c26ebe98a10347 drivers/pci/dwc/pci-imx6.c Quentin Schulz 2017-06-08 1402 }
c26ebe98a10347 drivers/pci/dwc/pci-imx6.c Quentin Schulz 2017-06-08 1403
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1404 imx_pcie->vph = devm_regulator_get_optional(&pdev->dev, "vph");
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1405 if (IS_ERR(imx_pcie->vph)) {
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1406 if (PTR_ERR(imx_pcie->vph) != -ENODEV)
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1407 return PTR_ERR(imx_pcie->vph);
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1408 imx_pcie->vph = NULL;
d2ce69ca251690 drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2021-06-04 1409 }
d2ce69ca251690 drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2021-06-04 1410
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1411 platform_set_drvdata(pdev, imx_pcie);
9bcf0a6fdc5062 drivers/pci/dwc/pci-imx6.c Kishon Vijay Abraham I 2017-02-15 1412
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1413 ret = imx_pcie_attach_pd(dev);
3f7cceeab895fc drivers/pci/controller/dwc/pci-imx6.c Leonard Crestez 2018-10-08 1414 if (ret)
3f7cceeab895fc drivers/pci/controller/dwc/pci-imx6.c Leonard Crestez 2018-10-08 1415 return ret;
3f7cceeab895fc drivers/pci/controller/dwc/pci-imx6.c Leonard Crestez 2018-10-08 1416
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1417 if (imx_pcie->drvdata->mode == DW_PCIE_EP_TYPE) {
f988153d367a9c drivers/pci/controller/dwc/pci-imx6.c Frank Li 2024-02-27 1418 ret = imx_add_pcie_ep(imx_pcie, pdev);
75c2f26da03f93 drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2023-01-16 1419 if (ret < 0)
75c2f26da03f93 drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2023-01-16 1420 return ret;
75c2f26da03f93 drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2023-01-16 1421 } else {
60f5b73fa0f298 drivers/pci/controller/dwc/pci-imx6.c Rob Herring 2020-11-05 1422 ret = dw_pcie_host_init(&pci->pp);
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1423 if (ret < 0)
b391bf31584d87 drivers/pci/host/pci-imx6.c Fabio Estevam 2013-12-02 1424 return ret;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1425
75cb8d20c112ab drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2018-12-21 1426 if (pci_msi_enabled()) {
201a8df899525b drivers/pci/controller/dwc/pci-imx6.c Rob Herring 2020-08-20 1427 u8 offset = dw_pcie_find_capability(pci, PCI_CAP_ID_MSI);
75c2f26da03f93 drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2023-01-16 1428
201a8df899525b drivers/pci/controller/dwc/pci-imx6.c Rob Herring 2020-08-20 1429 val = dw_pcie_readw_dbi(pci, offset + PCI_MSI_FLAGS);
75cb8d20c112ab drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2018-12-21 1430 val |= PCI_MSI_FLAGS_ENABLE;
201a8df899525b drivers/pci/controller/dwc/pci-imx6.c Rob Herring 2020-08-20 1431 dw_pcie_writew_dbi(pci, offset + PCI_MSI_FLAGS, val);
75cb8d20c112ab drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2018-12-21 1432 }
75c2f26da03f93 drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2023-01-16 1433 }
75cb8d20c112ab drivers/pci/controller/dwc/pci-imx6.c Richard Zhu 2018-12-21 1434
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1435 return 0;
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1436 }
bb38919ec56e07 drivers/pci/host/pci-imx6.c Sean Cross 2013-09-26 1437
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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