linux-kernel - Re: [PATCH v6 3/3] i2c-ocores: sifive: add polling mode workaround for FU540-C000 SoC.

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Message-ID: <20190521135439.GM22024@lunn.ch>
Date:   Tue, 21 May 2019 15:54:39 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Sagar Shrikant Kadam <sagar.kadam@...ive.com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, peter@...sgaard.com,
        palmer@...ive.com, paul.walmsley@...ive.com,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 3/3] i2c-ocores: sifive: add polling mode workaround
 for FU540-C000 SoC.

>  static void ocores_process_polling(struct ocores_i2c *i2c)
>  {
> +	const struct of_device_id *match;
> +
> +	match = of_match_node(ocores_i2c_match, i2c->adap.dev.of_node);
> +
>  	while (1) {
>  		irqreturn_t ret;
>  		int err;

Please keep with the idea of i2c->flags, which is set during probe.
Just because it was removed because it was no longer needed does not
stop you from putting it back again if it is needed.

       Andrew