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Wysocki" Cc: Palmer Dabbelt , Paul Walmsley , Alexandre Ghiti , Len Brown , Atish Patra , Andrew Jones , Anup Patel , Will Deacon , Mark Rutland , linux-acpi@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel , Troy Mitchell Subject: [PATCH v2 1/2] ACPI: RISC-V: Fix FFH_CPPC_CSR error handling Date: Mon, 18 Aug 2025 20:05:59 +0530 Message-ID: <20250818143600.894385-2-apatel@ventanamicro.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250818143600.894385-1-apatel@ventanamicro.com> References: <20250818143600.894385-1-apatel@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250818_073652_724868_B649E059 X-CRM114-Status: GOOD ( 10.65 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org 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 Reviewed-by: Andrew Jones Reviewed-by: Troy Mitchell --- drivers/acpi/riscv/cppc.c | 4 ++-- 1 file 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; -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv