drivers/pci/controller/pcie-mediatek.c:400:40: sparse: sparse: incorrect type in argument 1 (different address spaces)

From: kernel test robot
Date: Wed Sep 06 2023 - 22:13:27 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 7ba2090ca64ea1aa435744884124387db1fac70f
commit: 57fc7323a8e7c2e7c1d5795ab63cb3ffea3cfdfb LoongArch: Add PCI controller support
date: 1 year, 1 month ago
config: loongarch-randconfig-r122-20230906 (https://download.01.org/0day-ci/archive/20230907/202309071056.VrkCPAFG-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20230907/202309071056.VrkCPAFG-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
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309071056.VrkCPAFG-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
>> drivers/pci/controller/pcie-mediatek.c:400:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile *address @@ got void [noderef] __iomem * @@
drivers/pci/controller/pcie-mediatek.c:400:40: sparse: expected void volatile *address
drivers/pci/controller/pcie-mediatek.c:400:40: sparse: got void [noderef] __iomem *
drivers/pci/controller/pcie-mediatek.c:523:44: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile *address @@ got void [noderef] __iomem * @@
drivers/pci/controller/pcie-mediatek.c:523:44: sparse: expected void volatile *address
drivers/pci/controller/pcie-mediatek.c:523:44: sparse: got void [noderef] __iomem *
--
drivers/uio/uio_aec.c:44:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] __iomem *int_flag @@ got void * @@
drivers/uio/uio_aec.c:44:49: sparse: expected void [noderef] __iomem *int_flag
drivers/uio/uio_aec.c:44:49: sparse: got void *
>> drivers/uio/uio_aec.c:50:49: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:50:49: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:50:49: sparse: got void *
drivers/uio/uio_aec.c:59:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:59:9: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:59:9: sparse: got void *
drivers/uio/uio_aec.c:59:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:59:9: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:59:9: sparse: got void *
drivers/uio/uio_aec.c:59:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:59:9: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:59:9: sparse: got void *
drivers/uio/uio_aec.c:59:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:59:9: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:59:9: sparse: got void *
drivers/uio/uio_aec.c:59:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:59:9: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:59:9: sparse: got void *
drivers/uio/uio_aec.c:59:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:59:9: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:59:9: sparse: got void *
drivers/uio/uio_aec.c:88:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *priv @@ got void [noderef] __iomem * @@
drivers/uio/uio_aec.c:88:20: sparse: expected void *priv
drivers/uio/uio_aec.c:88:20: sparse: got void [noderef] __iomem *
>> drivers/uio/uio_aec.c:104:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:104:42: sparse: expected void volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:104:42: sparse: got void *
drivers/uio/uio_aec.c:105:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:105:43: sparse: expected void volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:105:43: sparse: got void *
drivers/uio/uio_aec.c:106:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:106:34: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:106:34: sparse: got void *
drivers/uio/uio_aec.c:115:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got void *priv @@
drivers/uio/uio_aec.c:115:31: sparse: expected void [noderef] __iomem *
drivers/uio/uio_aec.c:115:31: sparse: got void *priv
drivers/uio/uio_aec.c:128:42: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:128:42: sparse: expected void volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:128:42: sparse: got void *
drivers/uio/uio_aec.c:129:43: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:129:43: sparse: expected void volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:129:43: sparse: got void *
drivers/uio/uio_aec.c:131:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __iomem *addr @@ got void * @@
drivers/uio/uio_aec.c:131:28: sparse: expected void const volatile [noderef] __iomem *addr
drivers/uio/uio_aec.c:131:28: sparse: got void *
drivers/uio/uio_aec.c:136:31: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] __iomem * @@ got void *priv @@
drivers/uio/uio_aec.c:136:31: sparse: expected void [noderef] __iomem *
drivers/uio/uio_aec.c:136:31: sparse: got void *priv

vim +400 drivers/pci/controller/pcie-mediatek.c

b099631df160ec drivers/pci/host/pcie-mediatek.c Ryder Lee 2017-08-10 393
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 394 static void mtk_compose_msi_msg(struct irq_data *data, struct msi_msg *msg)
43e6409db64dda drivers/pci/host/pcie-mediatek.c Honghui Zhang 2017-08-14 395 {
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 396 struct mtk_pcie_port *port = irq_data_get_irq_chip_data(data);
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 397 phys_addr_t addr;
43e6409db64dda drivers/pci/host/pcie-mediatek.c Honghui Zhang 2017-08-14 398
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 399 /* MT2712/MT7622 only support 32-bit MSI addresses */
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 @400 addr = virt_to_phys(port->base + PCIE_MSI_VECTOR);
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 401 msg->address_hi = 0;
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 402 msg->address_lo = lower_32_bits(addr);
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 403
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 404 msg->data = data->hwirq;
43e6409db64dda drivers/pci/host/pcie-mediatek.c Honghui Zhang 2017-08-14 405
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 406 dev_dbg(port->pcie->dev, "msi#%d address_hi %#x address_lo %#x\n",
42fe2f91b4ebc0 drivers/pci/host/pcie-mediatek.c Honghui Zhang 2018-05-04 407 (int)data->hwirq, msg->address_hi, msg->address_lo);
43e6409db64dda drivers/pci/host/pcie-mediatek.c Honghui Zhang 2017-08-14 408 }
43e6409db64dda drivers/pci/host/pcie-mediatek.c Honghui Zhang 2017-08-14 409

:::::: The code at line 400 was first introduced by commit
:::::: 42fe2f91b4ebc07c815fb334ea1262e6dc23bf77 PCI: mediatek: Implement chained IRQ handling setup

:::::: TO: Honghui Zhang <honghui.zhang@xxxxxxxxxxxx>
:::::: CC: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Next message: Z qiang: "Re: [PATCH] workqueue: Fix UAF report by KASAN in pwq_release_workfn()"
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Next in thread: kernel test robot: "drivers/pci/controller/pcie-mediatek.c:400:40: sparse: sparse: incorrect type in argument 1 (different address spaces)"
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