Re: [PATCH v19 7/7] ptp: arm/arm64: Enable ptp_kvm for arm/arm64

Zenghui Yu
2021-04-17T08:42:53Z

On 2021/3/30 22:54, Marc Zyngier wrote:
> +int kvm_arch_ptp_init(void)
> +{
> + int ret;
> +
> + ret = kvm_arm_hyp_service_available(ARM_SMCCC_KVM_FUNC_PTP);
> + if (ret <= 0)

kvm_arm_hyp_service_available() returns boolean. Maybe write as ?

bool ret;

ret = kvm_arm_hyp_service_available();
if (!ret)
return -ENODEV;

> + return -EOPNOTSUPP;
> +
> + return 0;
> +}