linux-kernel - RE: [PATCH net-next v3 10/12] net: ethernet: oa

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Message-ID: <BL0PR11MB2913A429E53B85ABC67F9657E7212@BL0PR11MB2913.namprd11.prod.outlook.com>
Date: Wed, 6 Mar 2024 23:42:16 +0000
From: <Woojung.Huh@...rochip.com>
To: <Parthiban.Veerasooran@...rochip.com>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<horms@...nel.org>, <saeedm@...dia.com>, <anthony.l.nguyen@...el.com>,
	<netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <andrew@...n.ch>,
	<corbet@....net>, <linux-doc@...r.kernel.org>, <robh+dt@...nel.org>,
	<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
	<devicetree@...r.kernel.org>, <Horatiu.Vultur@...rochip.com>,
	<ruanjinjie@...wei.com>, <Steen.Hegelund@...rochip.com>,
	<vladimir.oltean@....com>
CC: <UNGLinuxDriver@...rochip.com>, <Thorsten.Kummermehr@...rochip.com>,
	<Pier.Beruto@...emi.com>, <Selvamani.Rajagopal@...emi.com>,
	<Nicolas.Ferre@...rochip.com>, <benjamin.bigler@...nformulastudent.ch>
Subject: RE: [PATCH net-next v3 10/12] net: ethernet: oa_tc6: implement
 mac-phy interrupt

Hi Parthiban,

..

> +static irqreturn_t oa_tc6_macphy_isr(int irq, void *data)
> +{
> +	struct oa_tc6 *tc6 = data;
> +
> +	/* MAC-PHY interrupt can occur for the following reasons.
> +	 * - availability of tx credits if it was 0 before and not reported
> in
> +	 *   the previous rx footer.

Per description above, it may be typo of "the previous rx footer"

> +	 * - availability of rx chunks if it was 0 before and not reported
> in
> +	 *   the previous rx footer.
> +	 * - extended status event not reported in the previous rx footer.
> +	 */
> +	tc6->int_flag = true;
> +	/* Wake spi kthread to perform spi transfer */
> +	wake_up_interruptible(&tc6->spi_wq);
> +
> +	return IRQ_HANDLED;
> +}
> +