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lib: sbi: Fix SHMEM_PHYS_ADDR for RV32

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Obtaining a 64-bit address under rv32 does not require combining two
32-bit registers because we ignore upper 32-bits on rv32.

Signed-off-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20250319123832.505033-1-wxjstz@126.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Xiang W
2025-03-19 20:38:29 +08:00
committed by Anup Patel
parent ce57cb572e
commit 8b026abc5a
1 changed files with 0 additions and 6 deletions
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6
lib/sbi/sbi_mpxy.c
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@@ -66,13 +66,7 @@ static SBI_LIST_HEAD(mpxy_channel_list);
#define CAP_DISABLE(_c, _m) INSERT_FIELD(_c, _m, 0)
#define CAP_GET(_c, _m) EXTRACT_FIELD(_c, _m)
#if __riscv_xlen == 64
#define SHMEM_PHYS_ADDR(_hi, _lo) (_lo)
#elif __riscv_xlen == 32
#define SHMEM_PHYS_ADDR(_hi, _lo) (((u64)(_hi) << 32) | (_lo))
#else
#error "Undefined XLEN"
#endif
/** Per hart shared memory */
struct mpxy_shmem {