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Date: Tue, 16 May 2023 18:16:23 +0800
From: kernel test robot <lkp@...el.com>
To: Orlando Chamberlain <orlandoch.dev@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Hans de Goede <hdegoede@...hat.com>
Subject: drivers/platform/x86/apple-gmux.c:276:15: sparse: sparse: cast to
restricted __be32
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f1fcbaa18b28dec10281551dfe6ed3a3ed80e3d6
commit: 0c18184de990e63f708b090bcb9fc6c0fbc427cd platform/x86: apple-gmux: support MMIO gmux on T2 Macs
date: 9 weeks ago
config: i386-randconfig-s001-20230515
compiler: gcc-11 (Debian 11.3.0-12) 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/torvalds/linux.git/commit/?id=0c18184de990e63f708b090bcb9fc6c0fbc427cd
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus 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=i386 olddefconfig
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/x86/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305161712.5l3f4iI4-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 +276 drivers/platform/x86/apple-gmux.c
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
View attachment "config" of type "text/plain" (150801 bytes)
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