| Message ID | 20230803175916.3174453-4-sunilvl@ventanamicro.com |
|---|---|
| State | New |
| Headers | show |
| Series | RISC-V: ACPI: Add external interrupt controller support | expand |
On Thu, Aug 03, 2023 at 11:28:58PM +0530, Sunil V L wrote: > 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> > --- > arch/riscv/include/asm/acpi.h | 2 +- > 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 > -- > 2.39.2 > Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
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
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> --- arch/riscv/include/asm/acpi.h | 2 +- arch/riscv/kernel/acpi.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-)