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Date:   Fri, 18 Dec 2020 09:12:55 +0200
From:   Tony Lindgren <>
To:     "H. Nikolaus Schaller" <>
Cc:     BenoƮt Cousson <>,
        Rob Herring <>,,,,,
        Andreas Kemnade <>,
Subject: Re: [PATCH] DTS: ARM: gta04: remove legacy spi-cs-high to make
 display work again

* H. Nikolaus Schaller <> [201212 11:59]:
> This reverts
> commit f1f028ff89cb ("DTS: ARM: gta04: introduce legacy spi-cs-high to make display work again")
> which had to be intruduced after
> commit 6953c57ab172 ("gpio: of: Handle SPI chipselect legacy bindings")
> broke the GTA04 display. This contradicted the data sheet but was the only
> way to get it as an spi client operational again.
> The panel data sheet defines the chip-select to be active low.
> Now, with the arrival of
> commit 766c6b63aa04 ("spi: fix client driver breakages when using GPIO descriptors")
> the logic of interaction between spi-cs-high and the gpio descriptor flags
> has been changed a second time, making the display broken again. So we have
> to remove the original fix which in retrospect was a workaround of a bug in
> the spi subsystem and not a feature of the panel or bug in the device tree.
> With this fix the device tree is back in sync with the data sheet and
> spi subsystem code.

Thanks applying into fixes.


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