From: Rob Herring <robh@kernel.org>
To: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Jassi Brar <jaswinder.singh@linaro.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
linux-kernel@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>,
linux-arm-kernel@lists.infradead.org,
Marc Zyngier <maz@kernel.org>,
linux-pci@vger.kernel.org, Jingoo Han <jingoohan1@gmail.com>,
Masami Hiramatsu <masami.hiramatsu@linaro.org>
Subject: Re: [PATCH v7 3/3] PCI: uniphier: Add misc interrupt handler to invoke PME and AER
Date: Wed, 7 Oct 2020 11:45:55 -0500 [thread overview]
Message-ID: <20201007164555.GA359326@bogus> (raw)
In-Reply-To: <1599816814-16515-4-git-send-email-hayashi.kunihiko@socionext.com>
On Fri, 11 Sep 2020 18:33:34 +0900, Kunihiko Hayashi wrote:
> This patch adds misc interrupt handler to detect and invoke PME/AER event.
>
> In UniPhier PCIe controller, PME/AER signals are assigned to the same
> signal as MSI by the internal logic. These signals should be detected by
> the internal register, however, DWC MSI handler can't handle these signals.
>
> DWC MSI handler calls .msi_host_isr() callback function, that detects
> PME/AER signals with the internal register and invokes the interrupt
> with PME/AER vIRQ numbers.
>
> These vIRQ numbers is obtained from portdrv in uniphier_add_pcie_port()
> function.
>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Jingoo Han <jingoohan1@gmail.com>
> Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
> ---
> drivers/pci/controller/dwc/pcie-uniphier.c | 77 +++++++++++++++++++++++++-----
> 1 file changed, 66 insertions(+), 11 deletions(-)
>
Reviewed-by: Rob Herring <robh@kernel.org>
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org>
To: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Masami Hiramatsu <masami.hiramatsu@linaro.org>,
Jingoo Han <jingoohan1@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
Jassi Brar <jaswinder.singh@linaro.org>,
Marc Zyngier <maz@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v7 3/3] PCI: uniphier: Add misc interrupt handler to invoke PME and AER
Date: Wed, 7 Oct 2020 11:45:55 -0500 [thread overview]
Message-ID: <20201007164555.GA359326@bogus> (raw)
In-Reply-To: <1599816814-16515-4-git-send-email-hayashi.kunihiko@socionext.com>
On Fri, 11 Sep 2020 18:33:34 +0900, Kunihiko Hayashi wrote:
> This patch adds misc interrupt handler to detect and invoke PME/AER event.
>
> In UniPhier PCIe controller, PME/AER signals are assigned to the same
> signal as MSI by the internal logic. These signals should be detected by
> the internal register, however, DWC MSI handler can't handle these signals.
>
> DWC MSI handler calls .msi_host_isr() callback function, that detects
> PME/AER signals with the internal register and invokes the interrupt
> with PME/AER vIRQ numbers.
>
> These vIRQ numbers is obtained from portdrv in uniphier_add_pcie_port()
> function.
>
> Cc: Marc Zyngier <maz@kernel.org>
> Cc: Jingoo Han <jingoohan1@gmail.com>
> Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
> ---
> drivers/pci/controller/dwc/pcie-uniphier.c | 77 +++++++++++++++++++++++++-----
> 1 file changed, 66 insertions(+), 11 deletions(-)
>
Reviewed-by: Rob Herring <robh@kernel.org>
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next prev parent reply other threads:[~2020-10-07 16:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-11 9:33 [PATCH v7 0/3] PCI: uniphier: Add PME/AER support for UniPhier PCIe host controller Kunihiko Hayashi
2020-09-11 9:33 ` Kunihiko Hayashi
2020-09-11 9:33 ` [PATCH v7 1/3] PCI: portdrv: Add pcie_port_service_get_irq() function Kunihiko Hayashi
2020-09-11 9:33 ` Kunihiko Hayashi
2020-10-07 16:42 ` Rob Herring
2020-10-07 16:42 ` Rob Herring
2020-09-11 9:33 ` [PATCH v7 2/3] PCI: dwc: Add msi_host_isr() callback Kunihiko Hayashi
2020-09-11 9:33 ` Kunihiko Hayashi
2020-09-11 9:33 ` [PATCH v7 3/3] PCI: uniphier: Add misc interrupt handler to invoke PME and AER Kunihiko Hayashi
2020-09-11 9:33 ` Kunihiko Hayashi
2020-10-07 16:45 ` Rob Herring [this message]
2020-10-07 16:45 ` Rob Herring
2020-10-07 4:23 ` [PATCH v7 0/3] PCI: uniphier: Add PME/AER support for UniPhier PCIe host controller Kunihiko Hayashi
2020-10-07 4:23 ` Kunihiko Hayashi
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