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36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From 58497e8c57eed81ef51818e4abb549c3b4cdaede Mon Sep 17 00:00:00 2001
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From: Dave Stevenson <dave.stevenson@raspberrypi.com>
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Date: Fri, 1 Sep 2023 12:17:38 +0100
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Subject: [PATCH] drm/ili9486: Resolve clash in spi_device_id names
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For "Really Good Reasons" [1] the SPI core requires a match
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between compatible device strings and the name in spi_device_id.
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The ili9486 driver uses compatible strings "waveshare,rpi-lcd-35"
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and "ozzmaker,piscreen", but "rpi-lcd-35" and "piscreen" are missing,
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so add them.
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Compatible string "ilitek,ili9486" is already used by
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staging/fbtft/fb_ili9486, therefore leaving it present in ili9486 as an
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spi_device_id causes the incorrect module to be loaded, therefore remove
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this id.
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[1] https://elixir.bootlin.com/linux/latest/source/drivers/spi/spi.c#L487
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Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
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---
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drivers/gpu/drm/tiny/ili9486.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/drivers/gpu/drm/tiny/ili9486.c
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+++ b/drivers/gpu/drm/tiny/ili9486.c
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@@ -187,7 +187,8 @@ static const struct of_device_id ili9486
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MODULE_DEVICE_TABLE(of, ili9486_of_match);
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static const struct spi_device_id ili9486_id[] = {
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- { "ili9486", 0 },
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+ { "rpi-lcd-35", 0 },
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+ { "piscreen", 0 },
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{ }
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};
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MODULE_DEVICE_TABLE(spi, ili9486_id);
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