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Date: Tue, 9 Jan 2024 00:15:56 +0800
From: kernel test robot <lkp@...el.com>
To: Elad Nachman <enachman@...vell.com>, stern@...land.harvard.edu,
gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, enachman@...vell.com
Subject: Re: [PATCH] usb: host: Add ac5 to EHCI Orion
Hi Elad,
kernel test robot noticed the following build errors:
[auto build test ERROR on usb/usb-testing]
[also build test ERROR on usb/usb-next usb/usb-linus char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus westeri-thunderbolt/next linus/master v6.7 next-20240108]
[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/Elad-Nachman/usb-host-Add-ac5-to-EHCI-Orion/20240108-003512
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link: https://lore.kernel.org/r/20240107163307.3677347-1-enachman%40marvell.com
patch subject: [PATCH] usb: host: Add ac5 to EHCI Orion
config: s390-randconfig-r071-20240108 (https://download.01.org/0day-ci/archive/20240109/202401090012.KFgRr4iR-lkp@intel.com/config)
compiler: clang version 18.0.0git (https://github.com/llvm/llvm-project 7e186d366d6c7def0543acc255931f617e76dff0)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240109/202401090012.KFgRr4iR-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/202401090012.KFgRr4iR-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from drivers/usb/host/ehci-orion.c:18:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:78:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
547 | val = __raw_readb(PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
| ^
include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
| ^
In file included from drivers/usb/host/ehci-orion.c:18:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:78:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
| ~~~~~~~~~~ ^
include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
| ^
include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
| ^
In file included from drivers/usb/host/ehci-orion.c:18:
In file included from include/linux/io.h:13:
In file included from arch/s390/include/asm/io.h:78:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
584 | __raw_writeb(value, PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
692 | readsb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
700 | readsw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
708 | readsl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
717 | writesb(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
726 | writesw(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
735 | writesl(PCI_IOBASE + addr, buffer, count);
| ~~~~~~~~~~ ^
>> drivers/usb/host/ehci-orion.c:241:15: error: assigning to 'u64 *' (aka 'unsigned long long *') from 'const void *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
241 | dma_mask_ptr = of_device_get_match_data(&pdev->dev);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
12 warnings and 1 error generated.
vim +241 drivers/usb/host/ehci-orion.c
211
212 static int ehci_orion_drv_probe(struct platform_device *pdev)
213 {
214 struct orion_ehci_data *pd = dev_get_platdata(&pdev->dev);
215 const struct mbus_dram_target_info *dram;
216 struct resource *res;
217 struct usb_hcd *hcd;
218 struct ehci_hcd *ehci;
219 void __iomem *regs;
220 int irq, err;
221 enum orion_ehci_phy_ver phy_version;
222 struct orion_ehci_hcd *priv;
223 u64 *dma_mask_ptr;
224
225 if (usb_disabled())
226 return -ENODEV;
227
228 pr_debug("Initializing Orion-SoC USB Host Controller\n");
229
230 irq = platform_get_irq(pdev, 0);
231 if (irq < 0) {
232 err = irq;
233 goto err;
234 }
235
236 /*
237 * Right now device-tree probed devices don't get dma_mask
238 * set. Since shared usb code relies on it, set it here for
239 * now. Once we have dma capability bindings this can go away.
240 */
> 241 dma_mask_ptr = of_device_get_match_data(&pdev->dev);
242 err = dma_coerce_mask_and_coherent(&pdev->dev, *dma_mask_ptr);
243 if (err)
244 goto err;
245
246 regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
247 if (IS_ERR(regs)) {
248 err = PTR_ERR(regs);
249 goto err;
250 }
251
252 hcd = usb_create_hcd(&ehci_orion_hc_driver,
253 &pdev->dev, dev_name(&pdev->dev));
254 if (!hcd) {
255 err = -ENOMEM;
256 goto err;
257 }
258
259 hcd->rsrc_start = res->start;
260 hcd->rsrc_len = resource_size(res);
261 hcd->regs = regs;
262
263 ehci = hcd_to_ehci(hcd);
264 ehci->caps = hcd->regs + 0x100;
265 hcd->has_tt = 1;
266
267 priv = hcd_to_orion_priv(hcd);
268 /*
269 * Not all platforms can gate the clock, so it is not an error if
270 * the clock does not exists.
271 */
272 priv->clk = devm_clk_get(&pdev->dev, NULL);
273 if (!IS_ERR(priv->clk)) {
274 err = clk_prepare_enable(priv->clk);
275 if (err)
276 goto err_put_hcd;
277 }
278
279 priv->phy = devm_phy_optional_get(&pdev->dev, "usb");
280 if (IS_ERR(priv->phy)) {
281 err = PTR_ERR(priv->phy);
282 if (err != -ENOSYS)
283 goto err_dis_clk;
284 }
285
286 /*
287 * (Re-)program MBUS remapping windows if we are asked to.
288 */
289 dram = mv_mbus_dram_info();
290 if (dram)
291 ehci_orion_conf_mbus_windows(hcd, dram);
292
293 /*
294 * setup Orion USB controller.
295 */
296 if (pdev->dev.of_node)
297 phy_version = EHCI_PHY_NA;
298 else
299 phy_version = pd->phy_version;
300
301 switch (phy_version) {
302 case EHCI_PHY_NA: /* dont change USB phy settings */
303 break;
304 case EHCI_PHY_ORION:
305 orion_usb_phy_v1_setup(hcd);
306 break;
307 case EHCI_PHY_DD:
308 case EHCI_PHY_KW:
309 default:
310 dev_warn(&pdev->dev, "USB phy version isn't supported.\n");
311 }
312
313 err = usb_add_hcd(hcd, irq, IRQF_SHARED);
314 if (err)
315 goto err_dis_clk;
316
317 device_wakeup_enable(hcd->self.controller);
318 return 0;
319
320 err_dis_clk:
321 if (!IS_ERR(priv->clk))
322 clk_disable_unprepare(priv->clk);
323 err_put_hcd:
324 usb_put_hcd(hcd);
325 err:
326 dev_err(&pdev->dev, "init %s fail, %d\n",
327 dev_name(&pdev->dev), err);
328
329 return err;
330 }
331
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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