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Message-ID: <6474b526.050a0220.baa3e.31c1@mx.google.com> Date: Mon, 29 May 2023 16:09:39 +0200 From: Christian Marangi <ansuelsmth@...il.com> To: Jonathan Corbet <corbet@....net> Cc: Bagas Sanjaya <bagasdotme@...il.com>, Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>, Andrew Lunn <andrew@...n.ch>, Florian Fainelli <f.fainelli@...il.com>, Vladimir Oltean <olteanv@...il.com>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, linux-leds@...r.kernel.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: [net-next PATCH v3 03/13] Documentation: leds: leds-class: Document new Hardware driven LEDs APIs On Mon, May 29, 2023 at 08:12:42AM -0600, Jonathan Corbet wrote: > Bagas Sanjaya <bagasdotme@...il.com> writes: > > >> + - hw_control_get_device: > >> + return the device associated with the LED driver in > >> + hw control. A trigger might use this to match the > >> + returned device from this function with a configured > >> + device for the trigger as the source for blinking > >> + events and correctly enable hw control. > >> + (example a netdev trigger configured to blink for a > >> + particular dev match the returned dev from get_device > >> + to set hw control) > >> + > >> + Return a device or NULL if nothing is currently attached. > > Returns a device name? > > The return type of this function is struct device * - how would you > expect it to return a name? > Just to clarify, a device name can't be returned. Not every device have a name and such name can be changed. An example is network device where you can change the name of the interface. Using the device prevents all of this problem. -- Ansuel
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