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RISC-V: Use the minor version mask while computing sbi version

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As per the SBI specification, minor version is encoded in the
lower 24 bits only. Make sure that the SBI version is computed
with the appropriate mask.

Currently, there is no minor version in use. Thus, it doesn't
change anything functionality but it is good to be compliant with
the specification.

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-8-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Atish Patra 2024-04-20 08:17:23 -07:00 committed by Anup Patel
parent 3ddb6d4df6
commit b737fc24a1
1 changed files with 2 additions and 2 deletions
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4
arch/riscv/include/asm/sbi.h
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@ -367,8 +367,8 @@ static inline unsigned long sbi_minor_version(void)
static inline unsigned long sbi_mk_version(unsigned long major,
unsigned long minor)
{
return ((major & SBI_SPEC_VERSION_MAJOR_MASK) <<
SBI_SPEC_VERSION_MAJOR_SHIFT) | minor;
return ((major & SBI_SPEC_VERSION_MAJOR_MASK) << SBI_SPEC_VERSION_MAJOR_SHIFT)
| (minor & SBI_SPEC_VERSION_MINOR_MASK);
}
int sbi_err_map_linux_errno(int err);