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authorAnup Patel <[email protected]>2025-08-18 14:35:59 +0000
committerPaul Walmsley <[email protected]>2025-09-04 22:25:50 +0000
commit5b3706597b90a7b6c9ae148edd07a43531dcd49e (patch)
treeb55df2992a27119d220fea33b7d31e7836cd39ed /drivers/acpi/riscv/cppc.c
parentriscv: Only allow LTO with CMODEL_MEDANY (diff)
downloadkernel-5b3706597b90a7b6c9ae148edd07a43531dcd49e.tar.gz
kernel-5b3706597b90a7b6c9ae148edd07a43531dcd49e.zip
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 <[email protected]> Reviewed-by: Andrew Jones <[email protected]> Reviewed-by: Troy Mitchell <[email protected]> Reviewed-by: Sunil V L <[email protected]> Reviewed-by: Nutty Liu <[email protected]> Reviewed-by: Atish Patra <[email protected]> Cc: [email protected] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Paul Walmsley <[email protected]>
Diffstat (limited to 'drivers/acpi/riscv/cppc.c')
-rw-r--r--drivers/acpi/riscv/cppc.c4
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;