From: kernel test robot <lkp@intel.com>
To: Rosen Penev <rosenp@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev,
Damien Le Moal <dlemoal@kernel.org>,
Niklas Cassel <cassel@kernel.org>
Subject: [libata:for-7.2-fixes 5/5] drivers/ata/sata_dwc_460ex.c:1125:29: warning: unused variable 'np'
Date: Tue, 30 Jun 2026 12:46:34 +0800 [thread overview]
Message-ID: <202606301243.9MrXM4WY-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/libata/linux.git for-7.2-fixes
head: 3c234b01c9dccf995e663bc46baaf4294f30c386
commit: 3c234b01c9dccf995e663bc46baaf4294f30c386 [5/5] ata: sata_dwc_460ex: use platform_get_irq()
config: sparc64-randconfig-001-20260630 (https://download.01.org/0day-ci/archive/20260630/202606301243.9MrXM4WY-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260630/202606301243.9MrXM4WY-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606301243.9MrXM4WY-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/ata/sata_dwc_460ex.c: In function 'sata_dwc_probe':
>> drivers/ata/sata_dwc_460ex.c:1125:29: warning: unused variable 'np' [-Wunused-variable]
1125 | struct device_node *np = dev->of_node;
| ^~
vim +/np +1125 drivers/ata/sata_dwc_460ex.c
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1121
1c48a5c93da631 Grant Likely 2011-02-17 1122 static int sata_dwc_probe(struct platform_device *ofdev)
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1123 {
f1550f27f8a92a Andy Shevchenko 2021-12-09 1124 struct device *dev = &ofdev->dev;
f1550f27f8a92a Andy Shevchenko 2021-12-09 @1125 struct device_node *np = dev->of_node;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1126 struct sata_dwc_device *hsdev;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1127 u32 idr, versionr;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1128 char *ver = (char *)&versionr;
175553ed18491b Mans Rullgard 2016-04-26 1129 void __iomem *base;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1130 int err = 0;
4aaa71873ddb9f Andy Shevchenko 2015-01-07 1131 int irq;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1132 struct ata_host *host;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1133 struct ata_port_info pi = sata_dwc_port_info[0];
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1134 const struct ata_port_info *ppi[] = { &pi, NULL };
73ec1b5ab3a713 Andy Shevchenko 2016-04-26 1135 struct resource *res;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1136
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1137 /* Allocate DWC SATA device */
f1550f27f8a92a Andy Shevchenko 2021-12-09 1138 host = ata_host_alloc_pinfo(dev, ppi, SATA_DWC_MAX_PORTS);
f1550f27f8a92a Andy Shevchenko 2021-12-09 1139 hsdev = devm_kzalloc(dev, sizeof(*hsdev), GFP_KERNEL);
d537fc0c0e23ce Andy Shevchenko 2015-01-08 1140 if (!host || !hsdev)
c592b74f6b8ba7 Andy Shevchenko 2015-01-08 1141 return -ENOMEM;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1142
d537fc0c0e23ce Andy Shevchenko 2015-01-08 1143 host->private_data = hsdev;
d537fc0c0e23ce Andy Shevchenko 2015-01-08 1144
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1145 /* Ioremap SATA registers */
f713961de50577 Andy Shevchenko 2021-12-09 1146 base = devm_platform_get_and_ioremap_resource(ofdev, 0, &res);
01c292068e43e7 Wei Yongjun 2016-07-19 1147 if (IS_ERR(base))
73ec1b5ab3a713 Andy Shevchenko 2016-04-26 1148 return PTR_ERR(base);
f1550f27f8a92a Andy Shevchenko 2021-12-09 1149 dev_dbg(dev, "ioremap done for SATA register address\n");
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1150
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1151 /* Synopsys DWC SATA specific Registers */
175553ed18491b Mans Rullgard 2016-04-26 1152 hsdev->sata_dwc_regs = base + SATA_DWC_REG_OFFSET;
d6ecf0c27d7166 Andy Shevchenko 2016-04-26 1153 hsdev->dmadr = res->start + SATA_DWC_REG_OFFSET + offsetof(struct sata_dwc_regs, dmadr);
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1154
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1155 /* Setup port */
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1156 host->ports[0]->ioaddr.cmd_addr = base;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1157 host->ports[0]->ioaddr.scr_addr = base + SATA_DWC_SCR_OFFSET;
ae95d951f7cd11 Mans Rullgard 2016-04-26 1158 sata_dwc_setup_port(&host->ports[0]->ioaddr, base);
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1159
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1160 /* Read the ID and Version Registers */
ee81d6cc8e8aa6 Mans Rullgard 2016-04-26 1161 idr = sata_dwc_readl(&hsdev->sata_dwc_regs->idr);
ee81d6cc8e8aa6 Mans Rullgard 2016-04-26 1162 versionr = sata_dwc_readl(&hsdev->sata_dwc_regs->versionr);
f1550f27f8a92a Andy Shevchenko 2021-12-09 1163 dev_notice(dev, "id %d, controller version %c.%c%c\n", idr, ver[0], ver[1], ver[2]);
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1164
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1165 /* Save dev for later use in dev_xxx() routines */
f1550f27f8a92a Andy Shevchenko 2021-12-09 1166 hsdev->dev = dev;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1167
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1168 /* Enable SATA Interrupts */
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1169 sata_dwc_enable_interrupts(hsdev);
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1170
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1171 /* Get SATA interrupt number */
3c234b01c9dccf Rosen Penev 2026-06-28 1172 irq = platform_get_irq(ofdev, 0);
3c234b01c9dccf Rosen Penev 2026-06-28 1173 if (irq < 0)
3c234b01c9dccf Rosen Penev 2026-06-28 1174 return irq;
62936009f35a66 Rupjyoti Sarmah 2010-07-06 1175
:::::: The code at line 1125 was first introduced by commit
:::::: f1550f27f8a92a4d29329aeeb28b743365abceae ata: sata_dwc_460ex: Use temporary variable for struct device
:::::: TO: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
:::::: CC: Damien Le Moal <damien.lemoal@opensource.wdc.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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