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From: Inochi Amaoto <inochiama@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	 Inochi Amaoto <inochiama@gmail.com>
Cc: "Bjorn Helgaas" <helgaas@kernel.org>,
	"Jingoo Han" <jingoohan1@gmail.com>,
	"Manivannan Sadhasivam" <mani@kernel.org>,
	"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
	"Krzysztof Wilczyński" <kwilczynski@kernel.org>,
	"Rob Herring" <robh@kernel.org>,
	"Bjorn Helgaas" <bhelgaas@google.com>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	"Conor Dooley" <conor+dt@kernel.org>,
	"Yixun Lan" <dlan@kernel.org>, "Paul Walmsley" <pjw@kernel.org>,
	"Palmer Dabbelt" <palmer@dabbelt.com>,
	"Albert Ou" <aou@eecs.berkeley.edu>,
	"Alexandre Ghiti" <alex@ghiti.fr>, "Frank Li" <Frank.Li@nxp.com>,
	"Arnd Bergmann" <arnd@arndb.de>,
	"Niklas Cassel" <cassel@kernel.org>,
	"Christian Bruel" <christian.bruel@foss.st.com>,
	"Senchuan Zhang" <zhangsenchuan@eswincomputing.com>,
	"Vincent Guittot" <vincent.guittot@linaro.org>,
	"Randolph Lin" <randolph@andestech.com>,
	"Xincheng Zhang" <zhangxincheng@ultrarisc.com>,
	"Alex Elder" <elder@riscstar.com>,
	"Siddharth Vadapalli" <s-vadapalli@ti.com>,
	"Marek Vasut" <marek.vasut+renesas@mailbox.org>,
	"Vidya Sagar" <vidyas@nvidia.com>,
	"Pengpeng Hou" <pengpeng@iscas.ac.cn>,
	"Anirudh Srinivasan" <asrinivasan@oss.tenstorrent.com>,
	"Uwe Kleine-König (The Capable Hub)"
	<u.kleine-koenig@baylibre.com>,
	"Gustavo Pimentel" <gustavo.pimentel@synopsys.com>,
	linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	spacemit@lists.linux.dev, "Yixun Lan" <dlan@gentoo.org>,
	"Longbin Li" <looong.bin@gmail.com>
Subject: Re: [PATCH v7 1/6] PCI: spacemit-k1: Add device data support
Date: Tue, 27 Oct 2026 16:42:26 +0800	[thread overview]
Message-ID: <auBj4o6t_RyT3wfk@inochi.infowork> (raw)
In-Reply-To: <atiB7-u5bxJbf-1q@ashevche-desk.local>

On Wed, Oct 21, 2026 at 12:12:15PM +0300, Andy Shevchenko wrote:
> On Wed, Oct 21, 2026 at 03:51:20PM +0800, Inochi Amaoto wrote:
> > On Mon, Oct 19, 2026 at 11:41:08AM -0500, Bjorn Helgaas wrote:
> > > On Tue, Sep 29, 2026 at 04:37:47PM +0800, Inochi Amaoto wrote:
> 
> ...
> 
> > > > +struct k1_pcie_device_data {
> > > > +	const struct dw_pcie_host_ops *host_ops;
> > > > +	const struct dw_pcie_ops *ops;
> > > > +	int (*parse_port)(struct k1_pcie *k1);
> > > > +};
> > > 
> > > Does the "const" here add anything useful?  This patch suggests maybe
> > > not:
> > > 
> > >   https://lore.kernel.org/all/20260911233541.1650895-2-james.quinlan@broadcom.com/
> > 
> > I am not sure whether the compiler can make use it.
> > And I have not seen any explaination for why no reason
> > for that. It is good to have a clarification.
> 
> These const make no sense. First of all, the third one is missing it.
> And I have no idea what would be the proper syntax to add a such. But
> adding a such make it clear that there no sense to have them. Either
> you make the const the whole data type instance on the user level or
> don't do it at all.
> 
> -- 
> With Best Regards,
> Andy Shevchenko
> 
> 

Good, I will remove it.

Regards,
Inochi

  reply	other threads:[~2026-10-27  8:43 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-29  8:37 [PATCH v7 0/6] riscv: spacemit: Add PCIe RC controller support for K3 Inochi Amaoto
2026-09-29  8:37 ` [PATCH v7 1/6] PCI: spacemit-k1: Add device data support Inochi Amaoto
2026-09-30  7:55   ` Andy Shevchenko
2026-10-19 16:41   ` Bjorn Helgaas
2026-10-21  7:51     ` Inochi Amaoto
2026-10-21  9:12       ` Andy Shevchenko
2026-10-27  8:42         ` Inochi Amaoto [this message]
2026-09-29  8:37 ` [PATCH v7 2/6] PCI: spacemit-k1: Add multiple PHY handles support Inochi Amaoto
2026-09-30  7:57   ` Andy Shevchenko
2026-09-29  8:37 ` [PATCH v7 3/6] PCI: spacemit-k1: Add device id update helper Inochi Amaoto
2026-09-30  7:58   ` Andy Shevchenko
2026-09-29  8:37 ` [PATCH v7 4/6] dt-bindings: PCI: snps,dw-pcie: Add msi-parent for MSI handle check Inochi Amaoto
2026-09-29  8:37 ` [PATCH v7 5/6] dt-bindings: PCI: spacemit: Introduce Spacemit K3 PCIe host controller Inochi Amaoto
2026-10-06 15:50   ` Rob Herring (Arm)
2026-09-29  8:37 ` [PATCH v7 6/6] PCI: spacemit-k1: Add Spacemit K3 PCIe host controller support Inochi Amaoto
2026-09-30  7:54   ` Andy Shevchenko
2026-09-30  9:44     ` Inochi Amaoto
2026-10-18 12:15       ` Manivannan Sadhasivam
2026-10-18 12:35   ` Manivannan Sadhasivam
2026-10-21  7:56     ` Inochi Amaoto
2026-10-21  8:26       ` Siddharth Vadapalli
2026-10-27  8:00         ` Manivannan Sadhasivam
2026-10-27  8:43           ` Inochi Amaoto
2026-09-29 17:00 ` [PATCH v7 0/6] riscv: spacemit: Add PCIe RC controller support for K3 Aurelien Jarno

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