Re: [PATCH v5] i2c: imx-lpi2c: add target mode support
From: Carlos Song
Date: Thu Dec 26 2024 - 21:20:31 EST
> -----Original Message-----
> From: Andi Shyti <andi.shyti@xxxxxxxxxx>
> Sent: Friday, December 27, 2024 8:34 AM
> To: Carlos Song <carlos.song@xxxxxxx>
> Cc: Aisheng Dong <aisheng.dong@xxxxxxx>; shawnguo@xxxxxxxxxx;
> s.hauer@xxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; festevam@xxxxxxxxx;
> linux-i2c@xxxxxxxxxxxxxxx; imx@xxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: [EXT] Re: [PATCH v5] i2c: imx-lpi2c: add target mode support
>
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>
> 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?
>
Thank you! I will resend it:).
> Thanks,
> Andi