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staging/fbtft: Depend on OF

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Commit c440eee1a7 ("Staging: fbtft: Switch to the gpio descriptor
interface") removed setting gpios via platform data. This means that
fbtft will now only work with Device Tree so set the dependency.

This also prevents a NULL pointer deref on non-DT platform because
fbtftops.request_gpios is not set in that case anymore.

Fixes: c440eee1a7 ("Staging: fbtft: Switch to the gpio descriptor interface")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://lore.kernel.org/r/20190917171843.10334-1-noralf@tronnes.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Noralf Trønnes 2019-09-17 19:18:41 +02:00 committed by Greg Kroah-Hartman
parent 7d4dea95f8
commit 63f2b1677f
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/fbtft/Kconfig
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@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
menuconfig FB_TFT
tristate "Support for small TFT LCD display modules"
depends on FB && SPI
depends on FB && SPI && OF
depends on GPIOLIB || COMPILE_TEST
select FB_SYS_FILLRECT
select FB_SYS_COPYAREA