linux-kernel - Re: [PATCH 3/5] PCI: cadence: Add host driver for Cadence PCIe controller

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Date:   Wed, 29 Nov 2017 09:19:29 +0100
From:   Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     Cyrille Pitchen <cyrille.pitchen@...e-electrons.com>,
        bhelgaas@...gle.com, kishon@...com, lorenzo.pieralisi@....com,
        linux-pci@...r.kernel.org, adouglas@...ence.com,
        stelford@...ence.com, dgary@...ence.com, kgopi@...ence.com,
        eandrews@...ence.com, sureshp@...ence.com, nsekhar@...com,
        linux-kernel@...r.kernel.org, robh@...nel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 3/5] PCI: cadence: Add host driver for Cadence PCIe
 controller

Hello,

On Tue, 28 Nov 2017 14:41:14 -0600, Bjorn Helgaas wrote:

> > + * struct cdns_pcie_rc_data - hardware specific data  
> 
> "cdns" is a weird abbreviation for "Cadence", since "Cadence" doesn't
> contain an "s".

cdns is the official Device Tree binding vendor prefix for Cadence:

$ grep Cadence Documentation/devicetree/bindings/vendor-prefixes.txt
cdns	Cadence Design Systems Inc.

And it is already widely used throughout the kernel for Cadence
drivers. See drivers/watchdog/cadence_wdt.c, drivers/spi/spi-cadence.c,
drivers/i2c/busses/i2c-cadence.c, etc.

Best regards,

Thomas Petazzoni
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com