drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:509:17: sparse: sparse: incorrect type in assignment (different base types)
From: kernel test robot
Date: Sun Jun 14 2026 - 22:29:08 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8cd9520d35a6c38db6567e97dd93b1f11f185dc6
commit: f08e7a4e8d6ac4de677727af352ea33c6ce9f444 pmdomain: mediatek: Add support for MFlexGraphics
date: 7 months ago
config: powerpc64-randconfig-r113-20260615 (https://download.01.org/0day-ci/archive/20260615/202606151041.zcDMXyDW-lkp@xxxxxxxxx/config)
compiler: powerpc64-linux-gcc (GCC) 16.1.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260615/202606151041.zcDMXyDW-lkp@xxxxxxxxx/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
| Fixes: f08e7a4e8d6a ("pmdomain: mediatek: Add support for MFlexGraphics")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606151041.zcDMXyDW-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:418:26: sparse: sparse: incorrect type in initializer (different base types) @@ expected restricted __le32 [usertype] magic @@ got unsigned long @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:418:26: sparse: expected restricted __le32 [usertype] magic
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:418:26: sparse: got unsigned long
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:458:20: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] magic @@ got unsigned int [usertype] ipi_magic @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:458:20: sparse: expected restricted __le32 [usertype] magic
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:458:20: sparse: got unsigned int [usertype] ipi_magic
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:472:19: sparse: sparse: restricted signed int degrades to integer
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:490:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le64 [assigned] [usertype] base @@ got unsigned long long [usertype] shared_mem_phys @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:490:31: sparse: expected restricted __le64 [assigned] [usertype] base
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:490:31: sparse: got unsigned long long [usertype] shared_mem_phys
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:491:31: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [assigned] [usertype] size @@ got unsigned int shared_mem_size @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:491:31: sparse: expected restricted __le32 [assigned] [usertype] size
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:491:31: sparse: got unsigned int shared_mem_size
>> drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:509:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cmd @@ got int @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:509:17: sparse: expected restricted __le32 [usertype] cmd
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:509:17: sparse: got int
>> drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:510:27: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] power_state @@ got int @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:510:27: sparse: expected restricted __le32 [usertype] power_state
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:510:27: sparse: got int
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:523:17: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] cmd @@ got int @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:523:17: sparse: expected restricted __le32 [usertype] cmd
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:523:17: sparse: got int
>> drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:524:38: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted signed int [usertype] gpu_oppidx @@ got unsigned int opp_idx @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:524:38: sparse: expected restricted signed int [usertype] gpu_oppidx
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:524:38: sparse: got unsigned int opp_idx
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:525:40: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted signed int [usertype] stack_oppidx @@ got unsigned int opp_idx @@
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:525:40: sparse: expected restricted signed int [usertype] stack_oppidx
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:525:40: sparse: got unsigned int opp_idx
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:578:42: sparse: sparse: restricted __le32 degrades to integer
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:579:44: sparse: sparse: restricted __le32 degrades to integer
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:593:44: sparse: sparse: restricted __le32 degrades to integer
drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c:594:46: sparse: sparse: restricted __le32 degrades to integer
vim +509 drivers/pmdomain/mediatek/mtk-mfg-pmdomain.c
504
505 static int mtk_mfg_power_control(struct mtk_mfg *mfg, bool enabled)
506 {
507 struct mtk_mfg_ipi_msg msg = {};
508
> 509 msg.cmd = CMD_POWER_CONTROL;
> 510 msg.u.power_state = enabled ? 1 : 0;
511
512 return mtk_mfg_send_ipi(mfg, &msg);
513 }
514
515 static int mtk_mfg_set_oppidx(struct mtk_mfg *mfg, unsigned int opp_idx)
516 {
517 struct mtk_mfg_ipi_msg msg = {};
518 int ret;
519
520 if (opp_idx >= mfg->num_gpu_opps)
521 return -EINVAL;
522
523 msg.cmd = CMD_FIX_DUAL_TARGET_OPPIDX;
> 524 msg.u.dual_commit.gpu_oppidx = opp_idx;
525 msg.u.dual_commit.stack_oppidx = opp_idx;
526
527 ret = mtk_mfg_send_ipi(mfg, &msg);
528 if (ret) {
529 dev_err(&mfg->pdev->dev, "Failed to set OPP %u: %pe\n",
530 opp_idx, ERR_PTR(ret));
531 return ret;
532 }
533
534 return 0;
535 }
536
--
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