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7d7aa2fd92
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From 84cd61bdf5fe5ecf70ad88e60e07879cbde2d4a6 Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Thu, 25 Jun 2015 12:16:11 +0100
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Subject: [PATCH] gpio-poweroff: Allow it to work on Raspberry Pi
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The Raspberry Pi firmware manages the power-down and reboot
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process. To do this it installs a pm_power_off handler, causing
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the gpio-poweroff module to abort the probe function.
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This patch introduces a "force" DT property that overrides that
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behaviour, and also adds a DT overlay to enable and control it.
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Note that running in an active-low configuration (DT parameter
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"active_low") requires a custom dt-blob.bin and probably won't
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allow a reboot without switching off, so an external inversion
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of the trigger signal may be preferable.
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---
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drivers/power/reset/gpio-poweroff.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/power/reset/gpio-poweroff.c
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+++ b/drivers/power/reset/gpio-poweroff.c
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@@ -51,9 +51,11 @@ static int gpio_poweroff_probe(struct pl
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{
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bool input = false;
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enum gpiod_flags flags;
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+ bool force = false;
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/* If a pm_power_off function has already been added, leave it alone */
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- if (pm_power_off != NULL) {
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+ force = of_property_read_bool(pdev->dev.of_node, "force");
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+ if (!force && (pm_power_off != NULL)) {
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dev_err(&pdev->dev,
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"%s: pm_power_off function already registered",
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__func__);
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