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Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0054-firmware-bcm2835-Support-ARCH_BCM270x.patch')
-rw-r--r--target/linux/bcm27xx/patches-4.19/950-0054-firmware-bcm2835-Support-ARCH_BCM270x.patch83
1 files changed, 83 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0054-firmware-bcm2835-Support-ARCH_BCM270x.patch b/target/linux/bcm27xx/patches-4.19/950-0054-firmware-bcm2835-Support-ARCH_BCM270x.patch
new file mode 100644
index 0000000000..2851cebfb2
--- /dev/null
+++ b/target/linux/bcm27xx/patches-4.19/950-0054-firmware-bcm2835-Support-ARCH_BCM270x.patch
@@ -0,0 +1,83 @@
+From 6f190ee10a1d3276450e6190bb6d75a03040dcef 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] 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(-)
+
+--- a/drivers/firmware/raspberrypi.c
++++ b/drivers/firmware/raspberrypi.c
+@@ -31,6 +31,8 @@ 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)
+@@ -230,6 +232,7 @@ static int rpi_firmware_probe(struct pla
+ init_completion(&fw->c);
+
+ platform_set_drvdata(pdev, fw);
++ g_pdev = pdev;
+
+ rpi_firmware_print_firmware_revision(fw);
+ rpi_register_hwmon_driver(dev, fw);
+@@ -244,6 +247,7 @@ static int rpi_firmware_remove(struct pl
+ platform_device_unregister(rpi_hwmon);
+ rpi_hwmon = NULL;
+ mbox_free_channel(fw->chan);
++ g_pdev = NULL;
+
+ return 0;
+ }
+@@ -256,7 +260,7 @@ static int rpi_firmware_remove(struct pl
+ */
+ 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;
+@@ -279,7 +283,18 @@ static struct platform_driver rpi_firmwa
+ .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");