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Date: Thu, 24 Feb 2022 07:12:09 +0800
From: kernel test robot <lkp@...el.com>
To: Dmitry Osipenko <digetx@...il.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
Thierry Reding <treding@...dia.com>
Subject: drivers/soc/tegra/fuse/fuse-tegra.c:188:20: sparse: sparse:
incorrect type in assignment (different address spaces)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 23d04328444a8fa0ca060c5e532220dac8e8bc26
commit: 88724b78a84c85350c21ac8d4432f2cf5a77a10a soc/tegra: fuse: Use resource-managed helpers
date: 10 weeks ago
config: arm64-randconfig-s031-20220223 (https://download.01.org/0day-ci/archive/20220224/202202240701.z0513hxM-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 11.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=88724b78a84c85350c21ac8d4432f2cf5a77a10a
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 88724b78a84c85350c21ac8d4432f2cf5a77a10a
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/soc/tegra/fuse/ kernel/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/soc/tegra/fuse/fuse-tegra.c:188:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *base @@ got void *base @@
drivers/soc/tegra/fuse/fuse-tegra.c:188:20: sparse: expected void [noderef] __iomem *base
drivers/soc/tegra/fuse/fuse-tegra.c:188:20: sparse: got void *base
>> drivers/soc/tegra/fuse/fuse-tegra.c:198:63: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *data @@ got void [noderef] __iomem *base @@
drivers/soc/tegra/fuse/fuse-tegra.c:198:63: sparse: expected void *data
drivers/soc/tegra/fuse/fuse-tegra.c:198:63: sparse: got void [noderef] __iomem *base
vim +188 drivers/soc/tegra/fuse/fuse-tegra.c
184
185 static void tegra_fuse_restore(void *base)
186 {
187 fuse->clk = NULL;
> 188 fuse->base = base;
189 }
190
191 static int tegra_fuse_probe(struct platform_device *pdev)
192 {
193 void __iomem *base = fuse->base;
194 struct nvmem_config nvmem;
195 struct resource *res;
196 int err;
197
> 198 err = devm_add_action(&pdev->dev, tegra_fuse_restore, base);
199 if (err)
200 return err;
201
202 /* take over the memory region from the early initialization */
203 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
204 fuse->phys = res->start;
205 fuse->base = devm_ioremap_resource(&pdev->dev, res);
206 if (IS_ERR(fuse->base)) {
207 err = PTR_ERR(fuse->base);
208 return err;
209 }
210
211 fuse->clk = devm_clk_get(&pdev->dev, "fuse");
212 if (IS_ERR(fuse->clk)) {
213 if (PTR_ERR(fuse->clk) != -EPROBE_DEFER)
214 dev_err(&pdev->dev, "failed to get FUSE clock: %ld",
215 PTR_ERR(fuse->clk));
216
217 return PTR_ERR(fuse->clk);
218 }
219
220 platform_set_drvdata(pdev, fuse);
221 fuse->dev = &pdev->dev;
222
223 err = devm_pm_runtime_enable(&pdev->dev);
224 if (err)
225 return err;
226
227 if (fuse->soc->probe) {
228 err = fuse->soc->probe(fuse);
229 if (err < 0)
230 return err;
231 }
232
233 memset(&nvmem, 0, sizeof(nvmem));
234 nvmem.dev = &pdev->dev;
235 nvmem.name = "fuse";
236 nvmem.id = -1;
237 nvmem.owner = THIS_MODULE;
238 nvmem.cells = tegra_fuse_cells;
239 nvmem.ncells = ARRAY_SIZE(tegra_fuse_cells);
240 nvmem.type = NVMEM_TYPE_OTP;
241 nvmem.read_only = true;
242 nvmem.root_only = true;
243 nvmem.reg_read = tegra_fuse_read;
244 nvmem.size = fuse->soc->info->size;
245 nvmem.word_size = 4;
246 nvmem.stride = 4;
247 nvmem.priv = fuse;
248
249 fuse->nvmem = devm_nvmem_register(&pdev->dev, &nvmem);
250 if (IS_ERR(fuse->nvmem)) {
251 err = PTR_ERR(fuse->nvmem);
252 dev_err(&pdev->dev, "failed to register NVMEM device: %d\n",
253 err);
254 return err;
255 }
256
257 fuse->rst = devm_reset_control_get_optional(&pdev->dev, "fuse");
258 if (IS_ERR(fuse->rst)) {
259 err = PTR_ERR(fuse->rst);
260 dev_err(&pdev->dev, "failed to get FUSE reset: %pe\n",
261 fuse->rst);
262 return err;
263 }
264
265 /*
266 * FUSE clock is enabled at a boot time, hence this resume/suspend
267 * disables the clock besides the h/w resetting.
268 */
269 err = pm_runtime_resume_and_get(&pdev->dev);
270 if (err)
271 return err;
272
273 err = reset_control_reset(fuse->rst);
274 pm_runtime_put(&pdev->dev);
275
276 if (err < 0) {
277 dev_err(&pdev->dev, "failed to reset FUSE: %d\n", err);
278 return err;
279 }
280
281 /* release the early I/O memory mapping */
282 iounmap(base);
283
284 return 0;
285 }
286
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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