Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) client-ip=2620:137:e000::3:3;
Date:   Tue, 17 Oct 2023 16:29:24 +0200
From:   Miquel Raynal <miquel.raynal@bootlin.com>
To:     Frank Li <Frank.Li@nxp.com>
Cc:     conor.culhane@silvaco.com, alexandre.belloni@bootlin.com,
        joe@perches.com, linux-i3c@lists.infradead.org,
        linux-kernel@vger.kernel.org, imx@lists.linux.dev
Subject: Re: [PATCH 5/6] i3c: master: svc: fix SDA keep low when polling
 IBIWON timeout happen
Message-ID: <20231017162924.3a4b4200@xps-13>
In-Reply-To: <20231016153232.2851095-6-Frank.Li@nxp.com>
References: <20231016153232.2851095-1-Frank.Li@nxp.com>
        <20231016153232.2851095-6-Frank.Li@nxp.com>
Organization: Bootlin
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Precedence: bulk

Hi Frank,

Frank.Li@nxp.com wrote on Mon, 16 Oct 2023 11:32:31 -0400:

> Need call svc_i3c_master_emit_stop() release bus.

Can you please elaborate this commit message please?

> Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver")
> Cc: stable@vger.kernel.org
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---
>  drivers/i3c/master/svc-i3c-master.c | 1 +
>  1 file changed, 1 insertion(+)
>=20
> diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc=
-i3c-master.c
> index 5ab68d6e439d..5bca369d6912 100644
> --- a/drivers/i3c/master/svc-i3c-master.c
> +++ b/drivers/i3c/master/svc-i3c-master.c
> @@ -403,6 +403,7 @@ static void svc_i3c_master_ibi_work(struct work_struc=
t *work)
>  					 SVC_I3C_MSTATUS_IBIWON(val), 0, 1000);
>  	if (ret) {
>  		dev_err(master->dev, "Timeout when polling for IBIWON\n");
> +		svc_i3c_master_emit_stop(master);
>  		goto reenable_ibis;
>  	}
> =20


Thanks,
Miqu=C3=A8l