linux-kernel - Re: [PATCH] ARM: dts: ti: am437x-l4: remove autoidle for UART

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Message-ID: <7httabbkxm.fsf@baylibre.com>
Date: Mon, 06 Jan 2025 15:07:49 -0800
From: Kevin Hilman <khilman@...nel.org>
To: Judith Mendez <jm@...com>, Tony Lindgren <tony@...mide.com>, Kevin
 Hilman <khilman@...com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, linux-omap@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Sukrut Bellary
 <sbellary@...libre.com>, Bin Liu <b-liu@...com>
Subject: Re: [PATCH] ARM: dts: ti: am437x-l4: remove autoidle for UART

Judith Mendez <jm@...com> writes:

> According to the TRM [0] in 21.5.1.42 UART_SYSC Register,
> the autoidle bit should not be set for UART, so remove the
> appropriate SYSC_OMAP2_AUTOIDLE flag.
>
> [0] https://www.ti.com/lit/ug/spruhl7i/spruhl7i.pdf
> Signed-off-by: Judith Mendez <jm@...com>

Just curious, does this fix any particular usecase for you?

Kevin