From: Bjorn Helgaas <helgaas@kernel.org>
To: Prabhakar <prabhakar.csengg@gmail.com>
Cc: "Claudiu Beznea" <claudiu.beznea.uj@bp.renesas.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
"Manivannan Sadhasivam" <mani@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Philipp Zabel" <p.zabel@pengutronix.de>,
"Geert Uytterhoeven" <geert+renesas@glider.be>,
"Magnus Damm" <magnus.damm@gmail.com>,
"Wolfram Sang" <wsa+renesas@sang-engineering.com>,
"John Madieu" <john.madieu.xa@bp.renesas.com>,
linux-pci@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
"Biju Das" <biju.das.jz@bp.renesas.com>,
"Fabrizio Castro" <fabrizio.castro.jz@renesas.com>,
"Lad Prabhakar" <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: Re: [PATCH 3/5] PCI: rzg3s-host: Use shared reset controls for power domain resets
Date: Wed, 18 Mar 2026 11:30:23 -0500 [thread overview]
Message-ID: <20260318163023.GA45848@bhelgaas> (raw)
In-Reply-To: <20260318124450.163471-4-prabhakar.mahadev-lad.rj@bp.renesas.com>
On Wed, Mar 18, 2026 at 12:44:48PM +0000, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> Use shared reset controls for PCIe power resets to prepare for RZ/V2H(P)
> support, where multiple PCIe channels share the same reset line.
What is a "PCIe channel"? Please use PCIe spec terminology if
possible.
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> ---
> drivers/pci/controller/pcie-rzg3s-host.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/pci/controller/pcie-rzg3s-host.c b/drivers/pci/controller/pcie-rzg3s-host.c
> index bfc210e696ed..c61e011f8302 100644
> --- a/drivers/pci/controller/pcie-rzg3s-host.c
> +++ b/drivers/pci/controller/pcie-rzg3s-host.c
> @@ -1276,9 +1276,9 @@ static int rzg3s_pcie_resets_prepare_and_get(struct rzg3s_pcie_host *host)
> for (i = 0; i < data->num_cfg_resets; i++)
> host->cfg_resets[i].id = data->cfg_resets[i];
>
> - ret = devm_reset_control_bulk_get_exclusive(host->dev,
> - data->num_power_resets,
> - host->power_resets);
> + ret = devm_reset_control_bulk_get_shared(host->dev,
> + data->num_power_resets,
> + host->power_resets);
> if (ret)
> return ret;
>
> --
> 2.53.0
>
next prev parent reply other threads:[~2026-03-18 16:30 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-18 12:44 [PATCH 0/5] Add PCIe support for RZ/V2N and RZ/V2H(P) SoCs Prabhakar
2026-03-18 12:44 ` [PATCH 1/5] dt-bindings: pci: renesas,r9a08g045-pcie: Add RZ/V2N support Prabhakar
2026-03-18 16:34 ` Bjorn Helgaas
2026-03-18 19:46 ` Lad, Prabhakar
2026-03-18 12:44 ` [PATCH 2/5] dt-bindings: pci: renesas,r9a08g045-pcie: Add RZ/V2H(P) support Prabhakar
2026-03-19 9:34 ` Krzysztof Kozlowski
2026-03-19 21:25 ` Lad, Prabhakar
2026-03-25 10:07 ` Claudiu Beznea
2026-03-18 12:44 ` [PATCH 3/5] PCI: rzg3s-host: Use shared reset controls for power domain resets Prabhakar
2026-03-18 16:30 ` Bjorn Helgaas [this message]
2026-03-18 19:48 ` Lad, Prabhakar
2026-03-18 12:44 ` [PATCH 4/5] PCI: rzg3s-host: Prepare System Controller handling for multiple PCIe channels Prabhakar
2026-03-25 10:19 ` Claudiu Beznea
2026-03-25 11:54 ` Lad, Prabhakar
2026-03-18 12:44 ` [PATCH 5/5] PCI: rzg3s-host: Add support for RZ/V2H(P) SoC Prabhakar
2026-03-25 10:18 ` Claudiu Beznea
2026-03-25 11:53 ` Lad, Prabhakar
2026-03-26 12:56 ` Claudiu Beznea
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=20260318163023.GA45848@bhelgaas \
--to=helgaas@kernel.org \
--cc=bhelgaas@google.com \
--cc=biju.das.jz@bp.renesas.com \
--cc=claudiu.beznea.uj@bp.renesas.com \
--cc=conor+dt@kernel.org \
--cc=devicetree@vger.kernel.org \
--cc=fabrizio.castro.jz@renesas.com \
--cc=geert+renesas@glider.be \
--cc=john.madieu.xa@bp.renesas.com \
--cc=krzk+dt@kernel.org \
--cc=kwilczynski@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-renesas-soc@vger.kernel.org \
--cc=lpieralisi@kernel.org \
--cc=magnus.damm@gmail.com \
--cc=mani@kernel.org \
--cc=p.zabel@pengutronix.de \
--cc=prabhakar.csengg@gmail.com \
--cc=prabhakar.mahadev-lad.rj@bp.renesas.com \
--cc=robh@kernel.org \
--cc=wsa+renesas@sang-engineering.com \
/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