[asahilinux:bits/200-dcp 52/177] drivers/gpu/drm/apple/dptxep.c:224:35: sparse: sparse: cast from restricted __le32

[asahilinux:bits/200-dcp 52/177] drivers/gpu/drm/apple/dptxep.c:224:35: sparse: sparse: cast from restricted __le32

[kernel test robot]

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	

--
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