diff options
| author | Anup Patel <apatel@ventanamicro.com> | 2025-08-18 20:05:59 +0530 |
|---|---|---|
| committer | Paul Walmsley <pjw@kernel.org> | 2025-09-04 16:25:50 -0600 |
| commit | 5b3706597b90a7b6c9ae148edd07a43531dcd49e (patch) | |
| tree | b55df2992a27119d220fea33b7d31e7836cd39ed | |
| parent | 41f9049cff324b7033e6ed1ded7dfff803cf550a (diff) | |
ACPI: RISC-V: Fix FFH_CPPC_CSR error handling
The cppc_ffh_csr_read() and cppc_ffh_csr_write() returns Linux error
code in "data->ret.error" so cpc_read_ffh() and cpc_write_ffh() must
not use sbi_err_map_linux_errno() for FFH_CPPC_CSR.
Fixes: 30f3ffbee86b ("ACPI: RISC-V: Add CPPC driver")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Troy Mitchell <troy.mitchell@linux.dev>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250818143600.894385-2-apatel@ventanamicro.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
| -rw-r--r-- | drivers/acpi/riscv/cppc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/riscv/cppc.c b/drivers/acpi/riscv/cppc.c index 440cf9fb91aa..42c1a9052470 100644 --- a/drivers/acpi/riscv/cppc.c +++ b/drivers/acpi/riscv/cppc.c @@ -119,7 +119,7 @@ int cpc_read_ffh(int cpu, struct cpc_reg *reg, u64 *val) *val = data.ret.value; - return (data.ret.error) ? sbi_err_map_linux_errno(data.ret.error) : 0; + return data.ret.error; } return -EINVAL; @@ -148,7 +148,7 @@ int cpc_write_ffh(int cpu, struct cpc_reg *reg, u64 val) smp_call_function_single(cpu, cppc_ffh_csr_write, &data, 1); - return (data.ret.error) ? sbi_err_map_linux_errno(data.ret.error) : 0; + return data.ret.error; } return -EINVAL; |