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From: Vagrant Cascadian <vagrant@debian.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 2/5] dm: video: bridge: don't fail to activate bridge if sleep gpio is missing
Date: Sun, 30 Sep 2018 10:48:20 -0700	[thread overview]
Message-ID: <87efdaq3kr.fsf@aikidev.net> (raw)
In-Reply-To: <CA+E=qVcfO9jyWoXQ0L=pfo9Q7V6NsX_xUgSoZYrNn7Tvw0LF7Q@mail.gmail.com>

On 2018-09-29, Vasily Khoruzhick <anarsoul@gmail.com> wrote:
> On Sat, Sep 29, 2018 at 4:46 PM Vagrant Cascadian <vagrant@debian.org> wrote:
>> Sleep gpio is optional, so it's possible to have reset gpio, but no sleep gpio.
>> We shouldn't fail early in case of missing sleep gpio, otherwise we won't
>> deassert reset.
...
>> diff --git a/drivers/video/bridge/video-bridge-uclass.c b/drivers/video/bridge/video-bridge-uclass.c
>> index cd4959cc71..46936a0626 100644
>> --- a/drivers/video/bridge/video-bridge-uclass.c
>> +++ b/drivers/video/bridge/video-bridge-uclass.c
>> @@ -110,7 +110,7 @@ int video_bridge_set_active(struct udevice *dev, bool active)
>>
>>         debug("%s: %d\n", __func__, active);
>>         ret = dm_gpio_set_value(&uc_priv->sleep, !active);
>> -       if (ret)
>> +       if (ret != -ENOENT)
>
> It should be 'if (ret && ret != -ENOENT)'. Btw, I fixed it in
> pinebook-wip-20180909 branch.

That's where I pulled the patch from; it's present in the patch to
anx6345.c, but apparently unpatched in this patch against
video-bridge-uclass.c.

I'll submit the fixed version in a new patch series after collecting
more comments...

Thanks for all your work on it!

live well,
  vagrant
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  reply	other threads:[~2018-09-30 17:48 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-29 23:45 [U-Boot] [PATCH 0/5] Vagrant Cascadian
2018-09-29 23:45 ` [U-Boot] [PATCH 1/5] mmc: sunxi: add support for automatic delay calibration Vagrant Cascadian
2018-09-30 15:16   ` André Przywara
2018-10-01  8:09     ` Maxime Ripard
2018-10-01  8:48       ` Andre Przywara
2018-10-01 10:01         ` Maxime Ripard
2018-09-29 23:45 ` [U-Boot] [PATCH 2/5] dm: video: bridge: don't fail to activate bridge if sleep gpio is missing Vagrant Cascadian
2018-09-30  6:02   ` Vasily Khoruzhick
2018-09-30 17:48     ` Vagrant Cascadian [this message]
2018-09-30 20:15       ` Vasily Khoruzhick
2018-09-30 22:13   ` André Przywara
2018-09-29 23:45 ` [U-Boot] [PATCH 3/5] video: anx6345: don't fail if there's no sleep or reset GPIOs Vagrant Cascadian
2018-09-30 22:26   ` André Przywara
2018-09-29 23:45 ` [U-Boot] [PATCH 4/5] sun50i: a64: add support for R_I2C controller Vagrant Cascadian
2018-10-01  8:11   ` Maxime Ripard
2018-09-29 23:45 ` [U-Boot] [PATCH 5/5] sunxi: add support for Pinebook Vagrant Cascadian
2018-10-01  8:17   ` Maxime Ripard
2018-10-01  9:37     ` Icenowy Zheng
2018-10-01 10:00       ` Maxime Ripard

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