From: Manivannan Sadhasivam <mani@kernel.org>
To: Neil Armstrong <neil.armstrong@linaro.org>,
Krzysztof Kozlowski <krzk@kernel.org>
Cc: "Manivannan Sadhasivam" <manivannan.sadhasivam@oss.qualcomm.com>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Hanjie Lin" <hanjie.lin@amlogic.com>,
"Yue Wang" <yue.wang@amlogic.com>,
"Kevin Hilman" <khilman@baylibre.com>,
"Jerome Brunet" <jbrunet@baylibre.com>,
"Martin Blumenstingl" <martin.blumenstingl@googlemail.com>,
"Andrew Murray" <amurray@thegoodpenguin.co.uk>,
"Jingoo Han" <jingoohan1@gmail.com>,
"Krishna Chaitanya Chundru" <krishna.chundru@oss.qualcomm.com>,
linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org
Subject: Re: [PATCH RESEND 1/3] dt-bindings: PCI: amlogic: Fix the register name of the DBI region
Date: Sat, 8 Nov 2025 16:10:11 +0530 [thread overview]
Message-ID: <65hstqcfcca7xj3cdtq7iikcdojbltfu42zlfdelskakesu3cd@hl3kydp6dw2t> (raw)
In-Reply-To: <lsue7hlgybqpru3qfetlpee2mswnycvhxjffwyxtplmpqved2u@aohtwjtxesr4>
On Thu, Nov 06, 2025 at 02:37:17PM +0530, Manivannan Sadhasivam wrote:
> On Thu, Nov 06, 2025 at 09:30:15AM +0100, Krzysztof Kozlowski wrote:
> > On Mon, Nov 03, 2025 at 03:42:58PM +0530, Manivannan Sadhasivam wrote:
> > > On Mon, Nov 03, 2025 at 10:47:36AM +0100, Neil Armstrong wrote:
> > > > Hi Mani,
> > > >
> > > > On 11/1/25 05:29, Manivannan Sadhasivam wrote:
> > > > > Binding incorrectly specifies the 'DBI' region as 'ELBI'. DBI is a must
> > > > > have region for DWC controllers as it has the Root Port and controller
> > > > > specific registers, while ELBI has optional registers.
> > > > >
> > > > > Hence, fix the binding. Though this is an ABI break, this change is needed
> > > > > to accurately describe the PCI memory map.
> > > >
> > > > Not fan of this ABI break, the current bindings should be marked as deprecated instead.
> > > >
> > >
> > > Fair enough. Will make it as deprecated.
> >
> > The true question is what value was being passed as that item (ELBI)?
> > Because if this was always DBI - device has DBI there - then what
> > deprecation would change?
>
> Nothing, except not breaking old DTs with the binding check. That's why I
> decided to remove it in the first place.
>
Neil, do you still insist on marking the 'elbi' region deprecated than removing
it?
- Mani
--
மணிவண்ணன் சதாசிவம்
next prev parent reply other threads:[~2025-11-08 10:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-01 4:29 [PATCH RESEND 0/3] PCI: meson: Fix the parsing of DBI region Manivannan Sadhasivam
2025-11-01 4:29 ` [PATCH RESEND 1/3] dt-bindings: PCI: amlogic: Fix the register name of the " Manivannan Sadhasivam
2025-11-03 9:47 ` Neil Armstrong
2025-11-03 10:12 ` Manivannan Sadhasivam
2025-11-06 8:30 ` Krzysztof Kozlowski
2025-11-06 9:06 ` Manivannan Sadhasivam
2025-11-08 10:40 ` Manivannan Sadhasivam [this message]
2025-11-10 6:40 ` Neil Armstrong
2025-11-01 4:29 ` [PATCH RESEND 2/3] arm64: dts: amlogic: Fix the register name of the 'DBI' region Manivannan Sadhasivam
2025-11-03 9:47 ` Neil Armstrong
2025-11-01 4:29 ` [PATCH RESEND 3/3] PCI: meson: Fix parsing the DBI register region Manivannan Sadhasivam
2025-11-03 9:49 ` Neil Armstrong
2025-11-06 10:00 ` Neil Armstrong
2025-11-03 9:50 ` [PATCH RESEND 0/3] PCI: meson: Fix the parsing of DBI region Neil Armstrong
2025-11-03 10:14 ` Manivannan Sadhasivam
2025-11-10 6:56 ` (subset) " Manivannan Sadhasivam
2025-11-10 8:18 ` Neil Armstrong
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