virt_to_phys() takes a regular pointer, while driver supplies __iomem annotated one. Force type to void to make sparse happy, otherwise pcie-mediatek.c:400:40: sparse: expected void volatile *address pcie-mediatek.c:400:40: sparse: got void [noderef] __iomem * pcie-mediatek.c:523:44: sparse: expected void volatile *address pcie-mediatek.c:523:44: sparse: got void [noderef] __iomem * Reported-by: Huacai Chen <chenhuacai@xxxxxxxxxx> Reported-by: kernel test robot <lkp@xxxxxxxxx> Closes: https://lore.kernel.org/oe-kbuild-all/202309072237.9zxMv4MZ-lkp@xxxxxxxxx/ Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/pci/controller/pcie-mediatek.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pcie-mediatek.c b/drivers/pci/controller/pcie-mediatek.c index 66a8f73296fc..5e795afd1cee 100644 --- a/drivers/pci/controller/pcie-mediatek.c +++ b/drivers/pci/controller/pcie-mediatek.c @@ -397,7 +397,7 @@ static void mtk_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) phys_addr_t addr; /* MT2712/MT7622 only support 32-bit MSI addresses */ - addr = virt_to_phys(port->base + PCIE_MSI_VECTOR); + addr = virt_to_phys((__force void *)port->base + PCIE_MSI_VECTOR); msg->address_hi = 0; msg->address_lo = lower_32_bits(addr); @@ -520,7 +520,7 @@ static void mtk_pcie_enable_msi(struct mtk_pcie_port *port) u32 val; phys_addr_t msg_addr; - msg_addr = virt_to_phys(port->base + PCIE_MSI_VECTOR); + msg_addr = virt_to_phys((__force void *)port->base + PCIE_MSI_VECTOR); val = lower_32_bits(msg_addr); writel(val, port->base + PCIE_IMSI_ADDR); -- 2.40.0.1.gaa8946217a0b
