Re: [PATCH v3 06/11] PCI: plda: Add event interrupt codes and IRQ domain ops

Conor Dooley
2023-08-15T13:12:09Z

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On Tue, Aug 15, 2023 at 06:12:07PM +0800, Minda Chen wrote:
>
>
> On 2023/8/14 21:52, Conor Dooley wrote:
> > On Mon, Aug 14, 2023 at 04:20:11PM +0800, Minda Chen wrote:
> >> For PolarFire implements non-PLDA local interrupt events, most of
> >> event interrupt process codes can not be re-used. PLDA implements
> >> new codes and IRQ domain ops like PolarFire.
> >>
> >> plda_handle_event adds a new IRQ num to event num mapping codes for
> >> PLDA local event except DMA engine interrupt events. The DMA engine
> >> interrupt events are implemented by vendors.
> >>
> >> Signed-off-by: Minda Chen <minda.chen@starfivetech.com>
> >> ---
> >> .../pci/controller/plda/pcie-microchip-host.c | 29 +++---
> >> drivers/pci/controller/plda/pcie-plda-host.c | 99 +++++++++++++++++++
> >> drivers/pci/controller/plda/pcie-plda.h | 19 ++++
> >> 3 files changed, 133 insertions(+), 14 deletions(-)
> >>
> >> diff --git a/drivers/pci/controller/plda/pcie-microchip-host.c b/drivers/pci/controller/plda/pcie-microchip-host.c
> >> index c28840315019..b42f1aac3ec3 100644
> >> --- a/drivers/pci/controller/plda/pcie-microchip-host.c
> >> +++ b/drivers/pci/controller/plda/pcie-microchip-host.c
> >> @@ -96,20 +96,21 @@
> >> #define EVENT_LOCAL_DMA_END_ENGINE_1 12
> >> #define EVENT_LOCAL_DMA_ERROR_ENGINE_0 13
> >> #define EVENT_LOCAL_DMA_ERROR_ENGINE_1 14
> >> -#define EVENT_LOCAL_A_ATR_EVT_POST_ERR 15
> >> -#define EVENT_LOCAL_A_ATR_EVT_FETCH_ERR 16
> >> -#define EVENT_LOCAL_A_ATR_EVT_DISCARD_ERR 17
> >> -#define EVENT_LOCAL_A_ATR_EVT_DOORBELL 18
> >> -#define EVENT_LOCAL_P_ATR_EVT_POST_ERR 19
> >> -#define EVENT_LOCAL_P_ATR_EVT_FETCH_ERR 20
> >> -#define EVENT_LOCAL_P_ATR_EVT_DISCARD_ERR 21
> >> -#define EVENT_LOCAL_P_ATR_EVT_DOORBELL 22
> >> -#define EVENT_LOCAL_PM_MSI_INT_INTX 23
> >> -#define EVENT_LOCAL_PM_MSI_INT_MSI 24
> >> -#define EVENT_LOCAL_PM_MSI_INT_AER_EVT 25
> >> -#define EVENT_LOCAL_PM_MSI_INT_EVENTS 26
> >> -#define EVENT_LOCAL_PM_MSI_INT_SYS_ERR 27
> >> -#define NUM_EVENTS 28
> >> +#define NUM_MC_EVENTS 15
> >> +#define EVENT_LOCAL_A_ATR_EVT_POST_ERR (NUM_MC_EVENTS + EVENT_A_ATR_EVT_POST_ERR)
> >> +#define EVENT_LOCAL_A_ATR_EVT_FETCH_ERR (NUM_MC_EVENTS + EVENT_A_ATR_EVT_FETCH_ERR)
> >> +#define EVENT_LOCAL_A_ATR_EVT_DISCARD_ERR (NUM_MC_EVENTS + EVENT_A_ATR_EVT_DISCARD_ERR)
> >> +#define EVENT_LOCAL_A_ATR_EVT_DOORBELL (NUM_MC_EVENTS + EVENT_A_ATR_EVT_DOORBELL)
> >> +#define EVENT_LOCAL_P_ATR_EVT_POST_ERR (NUM_MC_EVENTS + EVENT_P_ATR_EVT_POST_ERR)
> >> +#define EVENT_LOCAL_P_ATR_EVT_FETCH_ERR (NUM_MC_EVENTS + EVENT_P_ATR_EVT_FETCH_ERR)
> >> +#define EVENT_LOCAL_P_ATR_EVT_DISCARD_ERR (NUM_MC_EVENTS + EVENT_P_ATR_EVT_DISCARD_ERR)
> >> +#define EVENT_LOCAL_P_ATR_EVT_DOORBELL (NUM_MC_EVENTS + EVENT_P_ATR_EVT_DOORBELL)
> >> +#define EVENT_LOCAL_PM_MSI_INT_INTX (NUM_MC_EVENTS + EVENT_PM_MSI_INT_INTX)
> >> +#define EVENT_LOCAL_PM_MSI_INT_MSI (NUM_MC_EVENTS + EVENT_PM_MSI_INT_MSI)
> >> +#define EVENT_LOCAL_PM_MSI_INT_AER_EVT (NUM_MC_EVENTS + EVENT_PM_MSI_INT_AER_EVT)
> >> +#define EVENT_LOCAL_PM_MSI_INT_EVENTS (NUM_MC_EVENTS + EVENT_PM_MSI_INT_EVENTS)
> >> +#define EVENT_LOCAL_PM_MSI_INT_SYS_ERR (NUM_MC_EVENTS + EVENT_PM_MSI_INT_SYS_ERR)
> >> +#define NUM_EVENTS (NUM_MC_EVENTS + NUM_PLDA_EVENTS)
> >
> > Is this change not in the wrong patch & should be changed alongside the
> > movement of defines?
> EVENT_xxx is new added one for PLDA codes and The event num start from 0. This add association to PLDA events.
> Maybe this can be moved to patch8 or a new patch.

It feels like it should be in patch 3 to me.

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