[libata:for-7.2-fixes 5/5] drivers/ata/sata_dwc_460ex.c:1125:29: warning: unused variable 'np'

[libata:for-7.2-fixes 5/5] drivers/ata/sata_dwc_460ex.c:1125:29: warning: unused variable 'np'

[kernel test robot]

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>

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