From: Pavel Machek <pavel@ucw.cz>
To: Sven Van Asbroeck <thesven73@gmail.com>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>,
Linus Walleij <linus.walleij@linaro.org>,
Mark Brown <broonie@kernel.org>,
kernel list <linux-kernel@vger.kernel.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Discussions about the Letux Kernel
<letux-kernel@openphoenux.org>
Subject: Re: [BUG] SPI broken for SPI based panel drivers
Date: Sat, 5 Dec 2020 21:57:44 +0100 [thread overview]
Message-ID: <20201205205744.GD8578@amd> (raw)
In-Reply-To: <CAGngYiXgc_m2A7Wihxuhzm-u4qH-JZgxHjke653zvyT45jMU7Q@mail.gmail.com>
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On Mon 2020-11-30 15:13:02, Sven Van Asbroeck wrote:
> Hi Nikolaus, thank you for reaching out !
>
> On Mon, Nov 30, 2020 at 2:06 PM H. Nikolaus Schaller <hns@goldelico.com> wrote:
> >
> > But reverting your patch brings back the display. So it appears as if it does not
> > fix a breakage, rather breaks a previously working setup.
>
> The patch in question fixes an important breakage: before the patch, literally
> hundreds of SPI drivers no longer worked - only if the SPI bus master
> driver was using gpio descriptors.
>
> We knew that there was a chance that our fix would break something else.
> But hopefully "it fixes more than it breaks"
If the patch causes regression it will ultimately need to be
reverted... no matter how much it fixes.
Pavel
--
http://www.livejournal.com/~pavelmachek
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next prev parent reply other threads:[~2020-12-05 20:58 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-30 19:03 [BUG] SPI broken for SPI based panel drivers H. Nikolaus Schaller
2020-11-30 20:13 ` Sven Van Asbroeck
2020-11-30 20:22 ` Sven Van Asbroeck
2020-12-01 8:59 ` H. Nikolaus Schaller
2020-12-01 12:16 ` Mark Brown
2020-12-01 14:05 ` H. Nikolaus Schaller
2020-12-01 14:20 ` Linus Walleij
2020-12-01 14:34 ` Sven Van Asbroeck
2020-12-01 14:35 ` H. Nikolaus Schaller
2020-12-01 15:52 ` Sven Van Asbroeck
2020-12-01 16:46 ` H. Nikolaus Schaller
2020-12-01 16:10 ` Sven Van Asbroeck
2020-12-01 16:39 ` H. Nikolaus Schaller
2020-12-01 16:53 ` Sven Van Asbroeck
2020-12-01 17:10 ` H. Nikolaus Schaller
2020-12-01 18:43 ` Sven Van Asbroeck
2020-12-02 12:19 ` Mark Brown
2020-12-04 10:08 ` H. Nikolaus Schaller
2020-12-04 13:46 ` Sven Van Asbroeck
2020-12-04 16:49 ` H. Nikolaus Schaller
2020-12-04 19:19 ` Sven Van Asbroeck
2020-12-04 21:31 ` H. Nikolaus Schaller
2020-12-05 0:25 ` Linus Walleij
2020-12-05 7:04 ` H. Nikolaus Schaller
2020-12-09 8:04 ` Andreas Kemnade
2020-12-09 8:40 ` H. Nikolaus Schaller
2020-12-09 8:38 ` Linus Walleij
2020-12-09 8:45 ` H. Nikolaus Schaller
2020-12-01 22:51 ` Linus Walleij
2020-12-01 16:44 ` [Letux-kernel] " Andreas Kemnade
2020-12-01 16:51 ` H. Nikolaus Schaller
2020-12-01 16:52 ` H. Nikolaus Schaller
2020-12-01 16:55 ` Sven Van Asbroeck
2020-12-01 16:20 ` Mark Brown
2020-12-01 16:41 ` H. Nikolaus Schaller
2020-12-01 17:11 ` Mark Brown
2020-12-01 12:41 ` Sven Van Asbroeck
2020-12-01 13:32 ` H. Nikolaus Schaller
2020-12-01 14:08 ` Sven Van Asbroeck
2020-12-01 15:33 ` Mark Brown
2020-12-05 20:57 ` Pavel Machek [this message]
2020-12-07 13:43 ` Mark Brown
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