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>
next prev parent reply other threads:[~2020-10-07 16:46 UTC|newest]
Thread overview: 7+ 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 ` [PATCH v7 1/3] PCI: portdrv: Add pcie_port_service_get_irq() function Kunihiko Hayashi
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 ` [PATCH v7 3/3] PCI: uniphier: Add misc interrupt handler to invoke PME and AER Kunihiko Hayashi
2020-10-07 16:45 ` Rob Herring [this message]
2020-10-07 4:23 ` [PATCH v7 0/3] PCI: uniphier: Add PME/AER support for UniPhier PCIe host controller Kunihiko Hayashi
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201007164555.GA359326@bogus \
--to=robh@kernel.org \
--cc=bhelgaas@google.com \
--cc=gustavo.pimentel@synopsys.com \
--cc=hayashi.kunihiko@socionext.com \
--cc=jaswinder.singh@linaro.org \
--cc=jingoohan1@gmail.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=lorenzo.pieralisi@arm.com \
--cc=masami.hiramatsu@linaro.org \
--cc=maz@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).