From: kernel test robot <lkp@intel.com>
To: Orlando Chamberlain <orlandoch.dev@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev,
Linux Memory Management List <linux-mm@kvack.org>,
Hans de Goede <hdegoede@redhat.com>
Subject: [linux-next:master 3256/8744] drivers/platform/x86/apple-gmux.c:224:48: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Tue, 4 Apr 2023 04:39:27 +0800 [thread overview]
Message-ID: <202304040401.IMxt7Ubi-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 31bd35b66249699343d2416658f57e97314a433a
commit: 0c18184de990e63f708b090bcb9fc6c0fbc427cd [3256/8744] platform/x86: apple-gmux: support MMIO gmux on T2 Macs
config: x86_64-randconfig-s023-20230403 (https://download.01.org/0day-ci/archive/20230404/202304040401.IMxt7Ubi-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=0c18184de990e63f708b090bcb9fc6c0fbc427cd
git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
git fetch --no-tags linux-next master
git checkout 0c18184de990e63f708b090bcb9fc6c0fbc427cd
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 olddefconfig
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/platform/x86/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304040401.IMxt7Ubi-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/platform/x86/apple-gmux.c:224:48: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:224:48: sparse: expected void const [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:224:48: sparse: got unsigned char [usertype] *
drivers/platform/x86/apple-gmux.c:227:53: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:227:53: sparse: expected void const [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:227:53: sparse: got unsigned char [usertype] *
>> drivers/platform/x86/apple-gmux.c:241:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:241:55: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:241:55: sparse: got unsigned char [usertype] *
drivers/platform/x86/apple-gmux.c:243:39: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:243:39: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:243:39: sparse: got unsigned char [usertype] *
>> drivers/platform/x86/apple-gmux.c:245:32: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got unsigned char [usertype] *[noderef] iomem_base @@
drivers/platform/x86/apple-gmux.c:245:32: sparse: expected void const [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:245:32: sparse: got unsigned char [usertype] *[noderef] iomem_base
>> drivers/platform/x86/apple-gmux.c:256:32: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] *[noderef] iomem_base @@
drivers/platform/x86/apple-gmux.c:256:32: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:256:32: sparse: got unsigned char [usertype] *[noderef] iomem_base
drivers/platform/x86/apple-gmux.c:258:53: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:258:53: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:258:53: sparse: got unsigned char [usertype] *
drivers/platform/x86/apple-gmux.c:260:39: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:260:39: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:260:39: sparse: got unsigned char [usertype] *
drivers/platform/x86/apple-gmux.c:272:55: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:272:55: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:272:55: sparse: got unsigned char [usertype] *
drivers/platform/x86/apple-gmux.c:274:39: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:274:39: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:274:39: sparse: got unsigned char [usertype] *
drivers/platform/x86/apple-gmux.c:276:15: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got unsigned char [usertype] *[noderef] iomem_base @@
drivers/platform/x86/apple-gmux.c:276:15: sparse: expected void const [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:276:15: sparse: got unsigned char [usertype] *[noderef] iomem_base
>> drivers/platform/x86/apple-gmux.c:276:15: sparse: sparse: cast to restricted __be32
>> drivers/platform/x86/apple-gmux.c:286:19: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] @@ got restricted __be32 [usertype] @@
drivers/platform/x86/apple-gmux.c:286:19: sparse: expected unsigned int [usertype]
drivers/platform/x86/apple-gmux.c:286:19: sparse: got restricted __be32 [usertype]
drivers/platform/x86/apple-gmux.c:286:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] *[noderef] iomem_base @@
drivers/platform/x86/apple-gmux.c:286:46: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:286:46: sparse: got unsigned char [usertype] *[noderef] iomem_base
drivers/platform/x86/apple-gmux.c:287:53: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:287:53: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:287:53: sparse: got unsigned char [usertype] *
drivers/platform/x86/apple-gmux.c:289:39: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got unsigned char [usertype] * @@
drivers/platform/x86/apple-gmux.c:289:39: sparse: expected void [noderef] __iomem *
drivers/platform/x86/apple-gmux.c:289:39: sparse: got unsigned char [usertype] *
>> drivers/platform/x86/apple-gmux.c:739:39: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *[noderef] iomem_base @@ got void [noderef] __iomem * @@
drivers/platform/x86/apple-gmux.c:739:39: sparse: expected unsigned char [usertype] *[noderef] iomem_base
drivers/platform/x86/apple-gmux.c:739:39: sparse: got void [noderef] __iomem *
>> drivers/platform/x86/apple-gmux.c:889:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char [usertype] *[noderef] iomem_base @@
drivers/platform/x86/apple-gmux.c:889:34: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/apple-gmux.c:889:34: sparse: got unsigned char [usertype] *[noderef] iomem_base
drivers/platform/x86/apple-gmux.c:916:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char [usertype] *[noderef] iomem_base @@
drivers/platform/x86/apple-gmux.c:916:34: sparse: expected void volatile [noderef] __iomem *addr
drivers/platform/x86/apple-gmux.c:916:34: sparse: got unsigned char [usertype] *[noderef] iomem_base
>> drivers/platform/x86/apple-gmux.c:224:26: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:227:31: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:241:33: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:243:17: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:245:23: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:256:23: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:258:31: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:260:17: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:272:33: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:274:17: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:276:15: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:286:37: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:287:31: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:289:17: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c: note: in included file:
>> include/linux/apple-gmux.h:69:41: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned char [usertype] *[noderef] __iomem iomem_base @@ got void [noderef] __iomem * @@
include/linux/apple-gmux.h:69:41: sparse: expected unsigned char [usertype] *[noderef] __iomem iomem_base
include/linux/apple-gmux.h:69:41: sparse: got void [noderef] __iomem *
>> include/linux/apple-gmux.h:80:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const [noderef] __iomem * @@ got unsigned char [usertype] * @@
include/linux/apple-gmux.h:80:34: sparse: expected void const [noderef] __iomem *
include/linux/apple-gmux.h:80:34: sparse: got unsigned char [usertype] *
>> include/linux/apple-gmux.h:81:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char [usertype] *[noderef] __iomem iomem_base @@
include/linux/apple-gmux.h:81:17: sparse: expected void volatile [noderef] __iomem *addr
include/linux/apple-gmux.h:81:17: sparse: got unsigned char [usertype] *[noderef] __iomem iomem_base
>> include/linux/apple-gmux.h:72:14: sparse: sparse: dereference of noderef expression
include/linux/apple-gmux.h:80:23: sparse: sparse: dereference of noderef expression
include/linux/apple-gmux.h:81:17: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:740:22: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:888:13: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:889:25: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:915:13: sparse: sparse: dereference of noderef expression
drivers/platform/x86/apple-gmux.c:916:25: sparse: sparse: dereference of noderef expression
vim +224 drivers/platform/x86/apple-gmux.c
220
221 static int gmux_mmio_wait(struct apple_gmux_data *gmux_data)
222 {
223 int i = 200;
> 224 u8 gwr = ioread8(gmux_data->iomem_base + GMUX_MMIO_COMMAND_SEND);
225
226 while (i && gwr) {
> 227 gwr = ioread8(gmux_data->iomem_base + GMUX_MMIO_COMMAND_SEND);
228 udelay(100);
229 i--;
230 }
231
232 return !!i;
233 }
234
235 static u8 gmux_mmio_read8(struct apple_gmux_data *gmux_data, int port)
236 {
237 u8 val;
238
239 mutex_lock(&gmux_data->index_lock);
240 gmux_mmio_wait(gmux_data);
> 241 iowrite8((port & 0xff), gmux_data->iomem_base + GMUX_MMIO_PORT_SELECT);
242 iowrite8(GMUX_MMIO_READ | sizeof(val),
243 gmux_data->iomem_base + GMUX_MMIO_COMMAND_SEND);
244 gmux_mmio_wait(gmux_data);
> 245 val = ioread8(gmux_data->iomem_base);
246 mutex_unlock(&gmux_data->index_lock);
247
248 return val;
249 }
250
251 static void gmux_mmio_write8(struct apple_gmux_data *gmux_data, int port,
252 u8 val)
253 {
254 mutex_lock(&gmux_data->index_lock);
255 gmux_mmio_wait(gmux_data);
> 256 iowrite8(val, gmux_data->iomem_base);
257
258 iowrite8(port & 0xff, gmux_data->iomem_base + GMUX_MMIO_PORT_SELECT);
259 iowrite8(GMUX_MMIO_WRITE | sizeof(val),
260 gmux_data->iomem_base + GMUX_MMIO_COMMAND_SEND);
261
262 gmux_mmio_wait(gmux_data);
263 mutex_unlock(&gmux_data->index_lock);
264 }
265
266 static u32 gmux_mmio_read32(struct apple_gmux_data *gmux_data, int port)
267 {
268 u32 val;
269
270 mutex_lock(&gmux_data->index_lock);
271 gmux_mmio_wait(gmux_data);
> 272 iowrite8((port & 0xff), gmux_data->iomem_base + GMUX_MMIO_PORT_SELECT);
273 iowrite8(GMUX_MMIO_READ | sizeof(val),
274 gmux_data->iomem_base + GMUX_MMIO_COMMAND_SEND);
275 gmux_mmio_wait(gmux_data);
> 276 val = be32_to_cpu(ioread32(gmux_data->iomem_base));
277 mutex_unlock(&gmux_data->index_lock);
278
279 return val;
280 }
281
282 static void gmux_mmio_write32(struct apple_gmux_data *gmux_data, int port,
283 u32 val)
284 {
285 mutex_lock(&gmux_data->index_lock);
> 286 iowrite32(cpu_to_be32(val), gmux_data->iomem_base);
> 287 iowrite8(port & 0xff, gmux_data->iomem_base + GMUX_MMIO_PORT_SELECT);
288 iowrite8(GMUX_MMIO_WRITE | sizeof(val),
289 gmux_data->iomem_base + GMUX_MMIO_COMMAND_SEND);
290 gmux_mmio_wait(gmux_data);
291 mutex_unlock(&gmux_data->index_lock);
292 }
293
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
next reply other threads:[~2023-04-03 20:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-03 20:39 kernel test robot [this message]
2023-04-04 9:50 ` sparse false-positive ? (was [linux-next:master 3256/8744] drivers/platform/x86/apple-gmux.c:224:48: sparse: sparse: incorrect type in argument 1 (different address spaces)) Hans de Goede
2023-04-04 10:07 ` Dan Carpenter
2023-04-04 10:56 ` Hans de Goede
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