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74e35e8c94
* gnu/packages/patches/u-boot-pinebook-a64-update-dts.patch: New file. * gnu/packages/patches/u-boot-pinebook-syscon-node.patch: New file. * gnu/packages/patches/u-boot-pinebook-mmc-calibration.patch: New file. * gnu/packages/patches/u-boot-pinebook-video-bridge.patch: New file. * gnu/packages/patches/u-boot-pinebook-r_i2c-controller.patch: New file. * gnu/packages/patches/u-boot-pinebook-dts.patch: New file. * gnu/local.mk (dist_patch_DATA): Add them. * gnu/packages/bootloaders.scm (u-boot-pinebook): New exported variable. * gnu/bootloader/u-boot.scm (u-boot-pinebook-bootloader): New exported variable. * gnu/system/install.scm (pinebook-installation-os): New exported variable.
50 lines
1.6 KiB
Diff
50 lines
1.6 KiB
Diff
From 8336a43792a103c13d939b3925cb75322911f7fb Mon Sep 17 00:00:00 2001
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From: Vasily Khoruzhick <anarsoul@gmail.com>
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Date: Mon, 5 Nov 2018 20:24:29 -0800
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Subject: [PATCH 08/13] dm: video: bridge: don't fail to activate bridge if
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reset or sleep GPIO is missing
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Both GPIOs are optional, so we shouldn't fail if any is missing.
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Without this fix reset is not deasserted if sleep GPIO is missing.
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Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
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Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Tested-by: Maxime Ripard <maxime.ripard@bootlin.com>
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Reviewed-by: Andre Przywara <andre.przywara@arm.com>
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Cc: Vagrant Cascadian <vagrant@debian.org>
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---
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drivers/video/bridge/video-bridge-uclass.c | 16 +++++++++++-----
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1 file changed, 11 insertions(+), 5 deletions(-)
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diff --git a/drivers/video/bridge/video-bridge-uclass.c b/drivers/video/bridge/video-bridge-uclass.c
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index cd4959cc71..5fecb4cfd5 100644
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--- a/drivers/video/bridge/video-bridge-uclass.c
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+++ b/drivers/video/bridge/video-bridge-uclass.c
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@@ -106,13 +106,19 @@ static int video_bridge_pre_probe(struct udevice *dev)
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int video_bridge_set_active(struct udevice *dev, bool active)
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{
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struct video_bridge_priv *uc_priv = dev_get_uclass_priv(dev);
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- int ret;
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+ int ret = 0;
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debug("%s: %d\n", __func__, active);
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- ret = dm_gpio_set_value(&uc_priv->sleep, !active);
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- if (ret)
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- return ret;
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- if (active) {
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+ if (uc_priv->sleep.dev) {
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+ ret = dm_gpio_set_value(&uc_priv->sleep, !active);
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+ if (ret)
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+ return ret;
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+ }
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+
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+ if (!active)
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+ return 0;
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+
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+ if (uc_priv->reset.dev) {
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ret = dm_gpio_set_value(&uc_priv->reset, true);
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if (ret)
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return ret;
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--
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2.11.0
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