From: kernel test robot <lkp@intel.com>
To: Hector Martin <marcan@marcan.st>
Cc: oe-kbuild-all@lists.linux.dev, Janne Grunau <j@jannau.net>
Subject: [asahilinux:bits/200-dcp 52/177] drivers/gpu/drm/apple/dptxep.c:224:35: sparse: sparse: cast from restricted __le32
Date: Sat, 11 Jul 2026 04:21:02 +0800 [thread overview]
Message-ID: <202607110323.duJMf0bt-lkp@intel.com> (raw)
tree: https://github.com/AsahiLinux/linux bits/200-dcp
head: b9ff2d08b7ac00a981c1725dd329677ca94e5bce
commit: 5c6ae6268ac0e6ef27e765e859397bc9d2b58199 [52/177] drm: apple: dptxep: Implement drive settings stuff
config: arm64-randconfig-r112-20260710 (https://download.01.org/0day-ci/archive/20260711/202607110323.duJMf0bt-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260711/202607110323.duJMf0bt-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607110323.duJMf0bt-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/gpu/drm/apple/dptxep.c:224:35: sparse: sparse: cast from restricted __le32
>> drivers/gpu/drm/apple/dptxep.c:224:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __le32 [usertype] @@
drivers/gpu/drm/apple/dptxep.c:224:33: sparse: expected unsigned int
drivers/gpu/drm/apple/dptxep.c:224:33: sparse: got restricted __le32 [usertype]
drivers/gpu/drm/apple/dptxep.c:225:35: sparse: sparse: cast from restricted __le32
drivers/gpu/drm/apple/dptxep.c:225:33: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __le32 [usertype] @@
drivers/gpu/drm/apple/dptxep.c:225:33: sparse: expected unsigned int
drivers/gpu/drm/apple/dptxep.c:225:33: sparse: got restricted __le32 [usertype]
vim +224 drivers/gpu/drm/apple/dptxep.c
204
205 static int
206 dptxport_call_set_drive_settings(struct apple_epic_service *service,
207 const void *request_, size_t request_size,
208 void *reply_, size_t reply_size)
209 {
210 struct dptx_port *dptx = service->cookie;
211 const struct dptxport_apcall_drive_settings *request = request_;
212 struct dptxport_apcall_drive_settings *reply = reply_;
213
214 if (reply_size < sizeof(*reply) || request_size < sizeof(*request))
215 return -EINVAL;
216
217 *reply = *request;
218 reply->retcode = cpu_to_le32(0);
219
220 dev_info(service->ep->dcp->dev, "set_drive_settings: %d:%d:%d:%d:%d:%d:%d\n",
221 request->unk1, request->unk2, request->unk3, request->unk4,
222 request->unk5, request->unk6, request->unk7);
223
> 224 dptx->drive_settings[0] = cpu_to_le32(reply->unk5);
225 dptx->drive_settings[1] = cpu_to_le32(reply->unk7);
226
227 return 0;
228 }
229
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-07-10 20:21 UTC|newest]
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