linux-kernel - Re: [PATCH v2 1/2] dt-bindings: serial: sc16is7xx: Add description for polling mode

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Message-ID: <4pcgrt5zwtjxk3qa4twjzvmaxknu7sasmwrgphc364ril7aref@uurm62vwexr3>
Date: Tue, 7 Jan 2025 07:48:00 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Andre Werner <andre.werner@...tec-electronic.com>
Cc: gregkh@...uxfoundation.org, jirislaby@...nel.org, 
	hvilleneuve@...onoff.com, andy@...nel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org, lech.perczak@...lingroup.com, 
	krzk+dt@...nel.org, conor+dt@...nel.org, robh@...nel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: serial: sc16is7xx: Add description
 for polling mode

On Mon, Jan 06, 2025 at 09:50:50AM +0100, Andre Werner wrote:
> Polling mode is enabled if the "interrupts" property is missing.
> Thus, this commit deletes "interrupts" entry from "required" section
> and adds a description for the fallback to polling mode at the
> "interrupts" entry.

Can the device actually operate with interrupt line disconnected? I
skimmed through datasheet and they did not mention that as a valid
setup.

Best regards,
Krzysztof