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RPI kernel 4.19 support

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Ycarus 2019-04-22 17:10:09 +02:00
parent e79d4c1771
commit e253715ce5
432 changed files with 335303 additions and 0 deletions
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88
root/target/linux/brcm2708/patches-4.19/0055-firmware-bcm2835-Support-ARCH_BCM270x.patch Normal file
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@ -0,0 +1,88 @@
From 28548a83313a9b96948946f070b466c641306a75 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
Date: Fri, 26 Jun 2015 14:25:01 +0200
Subject: [PATCH 055/432] firmware: bcm2835: Support ARCH_BCM270x
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Support booting without Device Tree.
Turn on USB power.
Load driver early because of lacking support for deferred probing
in many drivers.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
firmware: bcm2835: Don't turn on USB power
The raspberrypi-power driver is now used to turn on USB power.
This partly reverts commit:
firmware: bcm2835: Support ARCH_BCM270x
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
---
drivers/firmware/raspberrypi.c | 19 +++++++++++++++++--
1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/drivers/firmware/raspberrypi.c b/drivers/firmware/raspberrypi.c
index a200a2174611..12da5a6facde 100644
--- a/drivers/firmware/raspberrypi.c
+++ b/drivers/firmware/raspberrypi.c
@@ -32,6 +32,8 @@ struct rpi_firmware {
u32 enabled;
};
+static struct platform_device *g_pdev;
+
static DEFINE_MUTEX(transaction_lock);
static void response_callback(struct mbox_client *cl, void *msg)
@@ -229,6 +231,7 @@ static int rpi_firmware_probe(struct platform_device *pdev)
init_completion(&fw->c);
platform_set_drvdata(pdev, fw);
+ g_pdev = pdev;
rpi_firmware_print_firmware_revision(fw);
rpi_register_hwmon_driver(dev, fw);
@@ -243,6 +246,7 @@ static int rpi_firmware_remove(struct platform_device *pdev)
platform_device_unregister(rpi_hwmon);
rpi_hwmon = NULL;
mbox_free_channel(fw->chan);
+ g_pdev = NULL;
return 0;
}
@@ -255,7 +259,7 @@ static int rpi_firmware_remove(struct platform_device *pdev)
*/
struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
{
- struct platform_device *pdev = of_find_device_by_node(firmware_node);
+ struct platform_device *pdev = g_pdev;
if (!pdev)
return NULL;
@@ -278,7 +282,18 @@ static struct platform_driver rpi_firmware_driver = {
.probe = rpi_firmware_probe,
.remove = rpi_firmware_remove,
};
-module_platform_driver(rpi_firmware_driver);
+
+static int __init rpi_firmware_init(void)
+{
+ return platform_driver_register(&rpi_firmware_driver);
+}
+subsys_initcall(rpi_firmware_init);
+
+static void __init rpi_firmware_exit(void)
+{
+ platform_driver_unregister(&rpi_firmware_driver);
+}
+module_exit(rpi_firmware_exit);
MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
MODULE_DESCRIPTION("Raspberry Pi firmware driver");
--
2.19.1