Fwd: [linux-next:master 2763/15982] drivers/remoteproc/xlnx_r5_remoteproc.c:837:49: sparse: sparse: incorrect type in initializer (different address spaces)

Mathieu Poirier <[email protected]>
Newsgroups org.kernel.vger.linux-remoteproc
Message-ID <CANLsYkxW7EeVQwH6pJryE6PzfVzVVodGCKbFOmycqffRLZ_SLA@mail.gmail.com>
Tanmay - please have a look.

---------- Forwarded message ---------
From: kernel test robot <[email protected]>
Date: Tue, 18 Aug 2026 at 10:59
Subject: [linux-next:master 2763/15982]
drivers/remoteproc/xlnx_r5_remoteproc.c:837:49: sparse: sparse:
incorrect type in initializer (different address spaces)
To: Tanmay Shah <[email protected]>
Cc: <[email protected]>, Mathieu Poirier
<[email protected]>


tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
master
head:   e6664f2b33db9b6811eb4cec109f06cb2b4f458d
commit: 5ae3dc078874693a0a7fd1cf32660bd473fe544d [2763/15982]
remoteproc: xlnx: Add crash detection mechanism
config: arm64-randconfig-r111-20260818
(https://download.01.org/0day-ci/archive/20260819/[email protected]/config)
compiler: clang version 24.0.0git
(https://github.com/llvm/llvm-project
844a18e753e822736c9805ab779144b647a2c186)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
sparse: v0.6.5-rc1
reproduce (this is a W=1 build):
(https://download.01.org/0day-ci/archive/20260819/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

sparse warnings: (new ones prefixed by >>)
   drivers/remoteproc/xlnx_r5_remoteproc.c:571:20: sparse: sparse:
cast removes address space '__iomem' of expression
   drivers/remoteproc/xlnx_r5_remoteproc.c:749:17: sparse: sparse:
cast removes address space '__iomem' of expression
   drivers/remoteproc/xlnx_r5_remoteproc.c:773:24: sparse: sparse:
cast removes address space '__iomem' of expression
   drivers/remoteproc/xlnx_r5_remoteproc.c:797:25: sparse: sparse:
cast removes address space '__iomem' of expression
>> drivers/remoteproc/xlnx_r5_remoteproc.c:837:49: sparse: sparse: incorrect type in initializer (different address spaces) @@     expected void *rsc_offset @@     got void [noderef] __iomem * @@
   drivers/remoteproc/xlnx_r5_remoteproc.c:837:49: sparse:
expected void *rsc_offset
   drivers/remoteproc/xlnx_r5_remoteproc.c:837:49: sparse:     got
void [noderef] __iomem *

vim +837 drivers/remoteproc/xlnx_r5_remoteproc.c

   832
   833  static int zynqmp_r5_handle_rsc(struct rproc *rproc, u32
rsc_type, void *rsc,
   834                                  int offset, int avail)
   835  {
   836          struct zynqmp_r5_core *r5_core = rproc->priv;
 > 837          void *rsc_offset = (r5_core->rsc_tbl_va + offset);
   838
   839          if (rsc_type != XLNX_RPROC_FW_CRASH_REPORT)
   840                  return RSC_IGNORED;
   841
   842          r5_core->crash_report = rsc_offset;
   843          /* reset all values */
   844          r5_core->crash_report->crashed = false;
   845          r5_core->crash_report->crash_reason = 0;
   846          r5_core->crash_report->crash_reason_str[0] = '\0';
   847
   848          return RSC_HANDLED;
   849  }
   850

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