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Subject: Re: [PATCH 1/2] drm/bridge: sii902x: Enable I/O and core VCC supplies
 if present
To:     Fabio Estevam <festevam@gmail.com>
Cc:     DRI mailing list <dri-devel@lists.freedesktop.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@vger.kernel.org>, David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Andrzej Hajda <a.hajda@samsung.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Jernej Skrabec <jernej.skrabec@siol.net>,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
        Mark Brown <broonie@kernel.org>,
        Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
        linux-kernel <linux-kernel@vger.kernel.org>
References: <20200924200507.1175888-1-mr.nuke.me@gmail.com>
 <CAOMZO5B4S3JCVQAi-y=vKaQv3AF6eXronTkmG_DZs_ALtEHtgA@mail.gmail.com>
From:   "Alex G." <mr.nuke.me@gmail.com>
Message-ID: <4ea79371-8036-1e26-e1ba-1bb98d1e5410@gmail.com>
Date:   Thu, 24 Sep 2020 15:34:04 -0500
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On 9/24/20 3:22 PM, Fabio Estevam wrote:
Hi Fabio,

> On Thu, Sep 24, 2020 at 5:16 PM Alexandru Gagniuc <mr.nuke.me@gmail.com> wrote:
> 
>> +       ret = regulator_enable(sii902x->cvcc12);
>> +       if (ret < 0) {
>> +               dev_err(dev, "Failed to enable cvcc12 supply: %d\n", ret);
>> +               regulator_disable(sii902x->iovcc);
>> +               return PTR_ERR(sii902x->cvcc12);
> 
> return ret;

Thank you for catching that. I will fix it in v2.

>>
>>          ret = regmap_write(sii902x->regmap, SII902X_REG_TPI_RQB, 0x0);
>> @@ -1012,11 +1052,11 @@ static int sii902x_probe(struct i2c_client *client,
>>          regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status);
>>          regmap_write(sii902x->regmap, SII902X_INT_STATUS, status);
>>
>> -       if (client->irq > 0) {
>> +       if (sii902x->i2c->irq > 0) {
> 
> Unrelated change.
[snip]
>   Unrelated change.
[snip]
> Unrelated change.
[snip]
> Unrelated change.

The i2c initialization is moved into a separate function. Hence 'client' 
is no longer available. Instead, it can be accessed via 'sii902x->i2c'.

Alex