Re: [PATCH 2/2] usb: host: ehci-platform: add ignore-oc DT support

From: kernel test robot
Date: Tue Feb 23 2021 - 14:24:37 EST

Hi "Álvaro,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on usb/usb-testing]
[also build test ERROR on v5.11 next-20210223]
[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]

url: https://github.com/0day-ci/linux/commits/lvaro-Fern-ndez-Rojas/usb-host-ehci-platform-add-ignore-oc-DT-support/20210223-235717
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: mips-randconfig-r022-20210223 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project c9439ca36342fb6013187d0a69aef92736951476)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://github.com/0day-ci/linux/commit/cb5cc55cab35476258f04e40cac0a9dd02271475
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review lvaro-Fern-ndez-Rojas/usb-host-ehci-platform-add-ignore-oc-DT-support/20210223-235717
git checkout cb5cc55cab35476258f04e40cac0a9dd02271475
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips

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

All error/warnings (new ones prefixed by >>):

>> drivers/usb/host/ehci-platform.c:290:10: error: no member named 'ignore_oc' in 'struct ehci_hcd'
ehci->ignore_oc = 1;
~~~~ ^
>> drivers/usb/host/ehci-platform.c:259:24: warning: shift count >= width of type [-Wshift-count-overflow]
pdata->dma_mask_64 ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
^~~~~~~~~~~~~~~~
include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK'
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
^ ~~~
1 warning and 1 error generated.


vim +290 drivers/usb/host/ehci-platform.c

238
239 static int ehci_platform_probe(struct platform_device *dev)
240 {
241 struct usb_hcd *hcd;
242 struct resource *res_mem;
243 struct usb_ehci_pdata *pdata = dev_get_platdata(&dev->dev);
244 struct ehci_platform_priv *priv;
245 struct ehci_hcd *ehci;
246 int err, irq, clk = 0;
247
248 if (usb_disabled())
249 return -ENODEV;
250
251 /*
252 * Use reasonable defaults so platforms don't have to provide these
253 * with DT probing on ARM.
254 */
255 if (!pdata)
256 pdata = &ehci_platform_defaults;
257
258 err = dma_coerce_mask_and_coherent(&dev->dev,
> 259 pdata->dma_mask_64 ? DMA_BIT_MASK(64) : DMA_BIT_MASK(32));
260 if (err) {
261 dev_err(&dev->dev, "Error: DMA mask configuration failed\n");
262 return err;
263 }
264
265 irq = platform_get_irq(dev, 0);
266 if (irq < 0)
267 return irq;
268
269 hcd = usb_create_hcd(&ehci_platform_hc_driver, &dev->dev,
270 dev_name(&dev->dev));
271 if (!hcd)
272 return -ENOMEM;
273
274 platform_set_drvdata(dev, hcd);
275 dev->dev.platform_data = pdata;
276 priv = hcd_to_ehci_priv(hcd);
277 ehci = hcd_to_ehci(hcd);
278
279 if (pdata == &ehci_platform_defaults && dev->dev.of_node) {
280 if (of_property_read_bool(dev->dev.of_node, "big-endian-regs"))
281 ehci->big_endian_mmio = 1;
282
283 if (of_property_read_bool(dev->dev.of_node, "big-endian-desc"))
284 ehci->big_endian_desc = 1;
285
286 if (of_property_read_bool(dev->dev.of_node, "big-endian"))
287 ehci->big_endian_mmio = ehci->big_endian_desc = 1;
288
289 if (of_property_read_bool(dev->dev.of_node, "ignore-oc"))
> 290 ehci->ignore_oc = 1;
291
292 if (of_property_read_bool(dev->dev.of_node,
293 "needs-reset-on-resume"))
294 priv->reset_on_resume = true;
295
296 if (of_property_read_bool(dev->dev.of_node,
297 "has-transaction-translator"))
298 hcd->has_tt = 1;
299
300 if (soc_device_match(quirk_poll_match))
301 priv->quirk_poll = true;
302
303 for (clk = 0; clk < EHCI_MAX_CLKS; clk++) {
304 priv->clks[clk] = of_clk_get(dev->dev.of_node, clk);
305 if (IS_ERR(priv->clks[clk])) {
306 err = PTR_ERR(priv->clks[clk]);
307 if (err == -EPROBE_DEFER)
308 goto err_put_clks;
309 priv->clks[clk] = NULL;
310 break;
311 }
312 }
313 }
314
315 priv->rsts = devm_reset_control_array_get_optional_shared(&dev->dev);
316 if (IS_ERR(priv->rsts)) {
317 err = PTR_ERR(priv->rsts);
318 goto err_put_clks;
319 }
320
321 err = reset_control_deassert(priv->rsts);
322 if (err)
323 goto err_put_clks;
324
325 if (pdata->big_endian_desc)
326 ehci->big_endian_desc = 1;
327 if (pdata->big_endian_mmio)
328 ehci->big_endian_mmio = 1;
329 if (pdata->has_tt)
330 hcd->has_tt = 1;
331 if (pdata->reset_on_resume)
332 priv->reset_on_resume = true;
333

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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