Re: [PATCH net-next v2 2/3] net: ti: icss-iep: Enable compare events

From: Paolo Abeni
Date: Thu Jun 06 2024 - 06:32:41 EST


On Tue, 2024-06-04 at 14:15 +0100, Diogo Ivo wrote:
> @@ -571,6 +573,57 @@ static int icss_iep_perout_enable(struct icss_iep *iep,
> return ret;
> }
>
> +static void icss_iep_cap_cmp_work(struct work_struct *work)
> +{
> + struct icss_iep *iep = container_of(work, struct icss_iep, work);
> + const u32 *reg_offs = iep->plat_data->reg_offs;
> + struct ptp_clock_event pevent;
> + unsigned int val;
> + u64 ns, ns_next;
> +
> + spin_lock(&iep->irq_lock);

'irq_lock' is always acquired with the irqsave variant, and here we are
in process context. This discrepancy would at least deserve a comment;
likely the above lock type is not correct.

Cheers,

Paolo