[PATCH v2] PCI: rcar-gen4: Drop how to obtain platform firmware

[PATCH v2] PCI: rcar-gen4: Drop how to obtain platform firmware

[Marek Vasut]

Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires
specific firmware downloading. The firmware is now available via
linux-firmware.git repository, drop the documentation about how
to obtain the firmware.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
---
Cc: "Krzysztof Wilczyński" <kwilczynski@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Lorenzo Pieralisi <lpieralisi@kernel.org>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Manivannan Sadhasivam <mani@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Rob Herring <robh@kernel.org>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: linux-doc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-pci@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org
---
V2: Drop the documentation and update the commit message
---
 Documentation/PCI/controller/index.rst        |  1 -
 .../PCI/controller/rcar-pcie-firmware.rst     | 32 -------------------
 MAINTAINERS                                   |  1 -
 3 files changed, 34 deletions(-)
 delete mode 100644 Documentation/PCI/controller/rcar-pcie-firmware.rst

diff --git a/Documentation/PCI/controller/index.rst b/Documentation/PCI/controller/index.rst
index c15e2c9ac855a..096d1c3d9807a 100644
--- a/Documentation/PCI/controller/index.rst
+++ b/Documentation/PCI/controller/index.rst
@@ -8,4 +8,3 @@ PCI Native Host Bridge and Endpoint Drivers
    :maxdepth: 2
 
    pci-controller-drivers
-   rcar-pcie-firmware
diff --git a/Documentation/PCI/controller/rcar-pcie-firmware.rst b/Documentation/PCI/controller/rcar-pcie-firmware.rst
deleted file mode 100644
index 67d3bf66e3158..0000000000000
--- a/Documentation/PCI/controller/rcar-pcie-firmware.rst
+++ /dev/null
@@ -1,32 +0,0 @@
-.. SPDX-License-Identifier: GPL-2.0
-
-=================================================
-Firmware of PCIe controller for Renesas R-Car V4H
-=================================================
-
-Renesas R-Car V4H (r8a779g0) has a PCIe controller, requiring a specific
-firmware download during startup.
-
-However, Renesas currently cannot distribute the firmware free of charge.
-
-The firmware file "104_PCIe_fw_addr_data_ver1.05.txt" (note that the file name
-might be different between different datasheet revisions) can be found in the
-datasheet encoded as text, and as such, the file's content must be converted
-back to binary form. This can be achieved using the following example script:
-
-.. code-block:: sh
-
-	$ awk '/^\s*0x[0-9A-Fa-f]{4}\s+0x[0-9A-Fa-f]{4}/ { print substr($2,5,2) substr($2,3,2) }' \
-		104_PCIe_fw_addr_data_ver1.05.txt | \
-			xxd -p -r > rcar_gen4_pcie.bin
-
-Once the text content has been converted into a binary firmware file, verify
-its checksum as follows:
-
-.. code-block:: sh
-
-	$ sha1sum rcar_gen4_pcie.bin
-	1d0bd4b189b4eb009f5d564b1f93a79112994945  rcar_gen4_pcie.bin
-
-The resulting binary file called "rcar_gen4_pcie.bin" should be placed in the
-"/lib/firmware" directory before the driver runs.
diff --git a/MAINTAINERS b/MAINTAINERS
index 05215fcc18a57..f097e556dfc91 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21170,7 +21170,6 @@ M:	Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
 L:	linux-pci@vger.kernel.org
 L:	linux-renesas-soc@vger.kernel.org
 S:	Maintained
-F:	Documentation/PCI/controller/rcar-pcie-firmware.rst
 F:	Documentation/devicetree/bindings/pci/*rcar*
 F:	drivers/pci/controller/*rcar*
 F:	drivers/pci/controller/dwc/*rcar*
-- 
2.53.0

Re: [PATCH v2] PCI: rcar-gen4: Drop how to obtain platform firmware

[sashiko-bot]

> Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires
> specific firmware downloading. The firmware is now available via
> linux-firmware.git repository, drop the documentation about how
> to obtain the firmware.
> 
> Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>

Sashiko has reviewed this patch and found no issues. It looks great!

-- 
Sashiko AI review · https://sashiko.dev/#/patchset/20260921203716.73663-1-marek.vasut+renesas@mailbox.org?part=1

Re: [PATCH v2] PCI: rcar-gen4: Drop how to obtain platform firmware

[Manivannan Sadhasivam]

On Mon, 21 Sep 2026 22:36:46 +0200, Marek Vasut wrote:
> Renesas R-Car V4H (r8a779g0) has PCIe controller, and it requires
> specific firmware downloading. The firmware is now available via
> linux-firmware.git repository, drop the documentation about how
> to obtain the firmware.

Applied, thanks!

[1/1] PCI: rcar-gen4: Drop how to obtain platform firmware
      commit: 3bc83f7571572034820e04d6ff6b80def85547f7

Best regards,
-- 
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