From e7c3696d4692e8046d25f6e63f983e934e12f2c5 Mon Sep 17 00:00:00 2001 From: Sudeep Holla Date: Wed, 15 May 2024 10:55:28 +0100 Subject: [PATCH] firmware: psci: Fix return value from psci_system_suspend() Currently we return the value from invoke_psci_fn() directly as return value from psci_system_suspend(). It is wrong to send the PSCI interface return value directly. psci_to_linux_errno() provide the mapping from PSCI return value to the one that can be returned to the callers within the kernel. Use psci_to_linux_errno() to convert and return the correct value from psci_system_suspend(). Fixes: faf7ec4a92c0 ("drivers: firmware: psci: add system suspend support") Acked-by: Mark Rutland Signed-off-by: Sudeep Holla Link: https://lore.kernel.org/r/20240515095528.1949992-1-sudeep.holla@arm.com Signed-off-by: Arnd Bergmann --- drivers/firmware/psci/psci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index d9629ff87861..2328ca58bba6 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -497,10 +497,12 @@ int psci_cpu_suspend_enter(u32 state) static int psci_system_suspend(unsigned long unused) { + int err; phys_addr_t pa_cpu_resume = __pa_symbol(cpu_resume); - return invoke_psci_fn(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND), + err = invoke_psci_fn(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND), pa_cpu_resume, 0, 0); + return psci_to_linux_errno(err); } static int psci_system_suspend_enter(suspend_state_t state)