Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <b23a44ab-3666-8a41-d2a0-0d2fbdbd9f00@pengutronix.de>
Date:   Mon, 27 Mar 2023 09:16:33 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.7.2
Subject: Re: [PATCH V3 7/7] arm64: dts: imx8mp: add interconnect for hsio blk
 ctrl
Content-Language: en-US
To:     Greg Ungerer <gerg@linux-m68k.org>
Cc:     peng.fan@nxp.com, laurent.pinchart@ideasonboard.com,
        krzysztof.kozlowski+dt@linaro.org, festevam@gmail.com,
        abelvesa@kernel.org, marex@denx.de, Markus.Niebel@ew.tq-group.com,
        paul.elder@ideasonboard.com, gerg@kernel.org, linux-imx@nxp.com,
        devicetree@vger.kernel.org, linux-pm@vger.kernel.org,
        s.hauer@pengutronix.de, robh+dt@kernel.org, aford173@gmail.com,
        linux-kernel@vger.kernel.org, kernel@pengutronix.de,
        djakov@kernel.org, l.stach@pengutronix.de, shawnguo@kernel.org,
        abailon@baylibre.com,
        Alexander Stein <alexander.stein@ew.tq-group.com>,
        "Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
        "linux-arm-kernel@lists.infradead.org" 
        <linux-arm-kernel@lists.infradead.org>
References: <20220703091451.1416264-8-peng.fan@oss.nxp.com>
 <20230327045037.593326-1-gerg@linux-m68k.org> <2678294.mvXUDI8C0e@steina-w>
From:   Ahmad Fatoum <a.fatoum@pengutronix.de>
In-Reply-To: <2678294.mvXUDI8C0e@steina-w>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Precedence: bulk

Hello Greg,

On 27.03.23 08:27, Alexander Stein wrote:
> Am Montag, 27. März 2023, 06:50:37 CEST schrieb Greg Ungerer:
>> Any thoughts on why this breaks USB?
> 
> Maybe you are missing CONFIG_INTERCONNECT_IMX8MP?

And if that's the case, did you check /sys/kernel/debug/devices_deferred
to see if there was any indication that this is the reason?

If you didn't find any hint there, you might want to place a
dev_err_probe with a suitable message at the place where -EPROBE_DEFER
was returned.

Cheers,
Ahmad

> 
> Best regards,
> Alexander
> 

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |