linux-kernel - Re: [PATCH] counter: microchip-tcb-capture: Allow shared IRQ for multi-channel TCBs

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Message-ID: <176033523436.106204.9869251013103555876.b4-ty@kernel.org>
Date: Mon, 13 Oct 2025 15:01:01 +0900
From: William Breathitt Gray <wbg@...nel.org>
To: Kamel Bouhara <kamel.bouhara@...tlin.com>,
	Bence Csókás <bence98@....bme.hu>,
	Dharma Balasubiramani <dharma.b@...rochip.com>
Cc: William Breathitt Gray <wbg@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-iio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] counter: microchip-tcb-capture: Allow shared IRQ for multi-channel TCBs


On Mon, 06 Oct 2025 16:21:50 +0530, Dharma Balasubiramani wrote:
> Mark the interrupt as IRQF_SHARED to permit multiple counter channels to
> share the same TCB IRQ line.
> 
> Each Timer/Counter Block (TCB) instance shares a single IRQ line among its
> three internal channels. When multiple counter channels (e.g., counter@0
> and counter@1) within the same TCB are enabled, the second call to
> devm_request_irq() fails because the IRQ line is already requested by the
> first channel.
> 
> [...]

Applied, thanks!

[1/1] counter: microchip-tcb-capture: Allow shared IRQ for multi-channel TCBs
      commit: 109ff654934a4752f8875ded672efd1fbfe4d31d

Best regards,
-- 
William Breathitt Gray <wbg@...nel.org>