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

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Date:   Mon, 14 Aug 2023 14:52:05 +0100
From:   Conor Dooley <conor.dooley@...rochip.com>
To:     Minda Chen <minda.chen@...rfivetech.com>
CC:     Daire McNamara <daire.mcnamara@...rochip.com>,
        Conor Dooley <conor@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-riscv@...ts.infradead.org>, <linux-pci@...r.kernel.org>,
        Pali Rohár <pali@...nel.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Mason Huo <mason.huo@...rfivetech.com>,
        Leyfoon Tan <leyfoon.tan@...rfivetech.com>,
        Kevin Xie <kevin.xie@...rfivetech.com>
Subject: Re: [PATCH v3 06/11] PCI: plda: Add event interrupt codes and IRQ
 domain ops

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@...rfivetech.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? 

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