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| author |  Sunil V L <sunilvl@ventanamicro.com>
| 2023-07-24 15:33:46 +0530 |
|---|---|---|
| committer |  Palmer Dabbelt <palmer@rivosinc.com>
| 2023-08-02 13:49:43 -0700 |
| commit | 568701fee36652a7660ed667a3980c945d8051e0 (patch) | |
| tree | 96a4f27650926e09ed2589766bd476de05200a03 /arch | |
| parent | selftests: riscv: Fix compilation error with vstate_exec_nolibc.c (diff) | |
| download | linux-568701fee36652a7660ed667a3980c945d8051e0.tar.gz linux-568701fee36652a7660ed667a3980c945d8051e0.tar.bz2 linux-568701fee36652a7660ed667a3980c945d8051e0.zip | |
RISC-V: ACPI: Fix acpi_os_ioremap to return iomem address
acpi_os_ioremap() currently is a wrapper to memremap() on
RISC-V. But the callers of acpi_os_ioremap() expect it to
return __iomem address and hence sparse tool reports a new
warning. Fix this issue by type casting to __iomem type.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202307230357.egcTAefj-lkp@intel.com/
Fixes: a91a9ffbd3a5 ("RISC-V: Add support to build the ACPI core")
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230724100346.1302937-1-sunilvl@ventanamicro.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/include/asm/acpi.h | 2 | ||||
| -rw-r--r-- | arch/riscv/kernel/acpi.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/riscv/include/asm/acpi.h b/arch/riscv/include/asm/acpi.h index f71ce21ff684..d5604d2073bc 100644 --- a/arch/riscv/include/asm/acpi.h +++ b/arch/riscv/include/asm/acpi.h @@ -19,7 +19,7 @@ typedef u64 phys_cpuid_t; #define PHYS_CPUID_INVALID INVALID_HARTID /* ACPI table mapping after acpi_permanent_mmap is set */ -void *acpi_os_ioremap(acpi_physical_address phys, acpi_size size); +void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size); #define acpi_os_ioremap acpi_os_ioremap #define acpi_strict 1 /* No out-of-spec workarounds on RISC-V */ diff --git a/arch/riscv/kernel/acpi.c b/arch/riscv/kernel/acpi.c index 5ee03ebab80e..56cb2c986c48 100644 --- a/arch/riscv/kernel/acpi.c +++ b/arch/riscv/kernel/acpi.c @@ -215,9 +215,9 @@ void __init __acpi_unmap_table(void __iomem *map, unsigned long size) early_iounmap(map, size); } -void *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) +void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) { - return memremap(phys, size, MEMREMAP_WB); + return (void __iomem *)memremap(phys, size, MEMREMAP_WB); } #ifdef CONFIG_PCI |