linux-kernel - Re: [PATCH v5] i2c: imx-lpi2c: add target mode support

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Message-ID: <vfesmhe47tj5cwib4dl5zxxy7sn5g4swjg7tozcv2otcqgsjpd@sjj35a7c5fhu>
Date: Fri, 27 Dec 2024 01:34:14 +0100
From: Andi Shyti <andi.shyti@...nel.org>
To: carlos.song@....com
Cc: aisheng.dong@....com, shawnguo@...nel.org, s.hauer@...gutronix.de, 
	kernel@...gutronix.de, festevam@...il.com, linux-i2c@...r.kernel.org, 
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5] i2c: imx-lpi2c: add target mode support

Hi Carlos,

...

> +static irqreturn_t lpi2c_imx_isr(int irq, void *dev_id)
> +{
> +	struct lpi2c_imx_struct *lpi2c_imx = dev_id;
> +
> +	if (lpi2c_imx->target) {
> +		u32 scr = readl(lpi2c_imx->base + LPI2C_SCR);
> +		u32 ssr = readl(lpi2c_imx->base + LPI2C_SSR);
> +		u32 sier_filter = ssr & readl(lpi2c_imx->base + LPI2C_SIER);
> +
> +		/*
> +		 * The target is enabled and an interrupt has been triggered.
> +		 * Enter the target's irq handler.
> +		 */
> +		if ((scr & SCR_SEN) && sier_filter)
> +			return lpi2c_imx_target_isr(lpi2c_imx, ssr, sier_filter);

you have answered my question here and thanks for that.

I was trying to apply this patch but it didn't apply. Do you mind
resending it?

Thanks,
Andi