PSCI 1.0 introduces the INVALID_ADDRESS return value for functions that take an address as input parameter (eg CPU_SUSPEND).
This patch adds INVALID_ADDRESS return value to kernel code and updates the PSCI to linux error conversion to take it into account. The kernel error value associated to INVALID_ADDRESS is set to the error returned when the PSCI error code is INVALID_PARAMETERS to comply with current call sites expected return value, given that the kernel at present has no use for the additional error information reported. Signed-off-by: Lorenzo Pieralisi <[email protected]> Acked-by: Sudeep Holla <[email protected]> Acked-by: Mark Rutland <[email protected]> --- drivers/firmware/psci.c | 1 + include/uapi/linux/psci.h | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/firmware/psci.c b/drivers/firmware/psci.c index 53c4ac8..afb955f0 100644 --- a/drivers/firmware/psci.c +++ b/drivers/firmware/psci.c @@ -77,6 +77,7 @@ static int psci_to_linux_errno(int errno) case PSCI_RET_NOT_SUPPORTED: return -EOPNOTSUPP; case PSCI_RET_INVALID_PARAMS: + case PSCI_RET_INVALID_ADDRESS: return -EINVAL; case PSCI_RET_DENIED: return -EPERM; diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h index 310d83e..64469e6 100644 --- a/include/uapi/linux/psci.h +++ b/include/uapi/linux/psci.h @@ -86,5 +86,6 @@ #define PSCI_RET_INTERNAL_FAILURE -6 #define PSCI_RET_NOT_PRESENT -7 #define PSCI_RET_DISABLED -8 +#define PSCI_RET_INVALID_ADDRESS -9 #endif /* _UAPI_LINUX_PSCI_H */ -- 2.2.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
