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firmware: bcm2835: Support ARCH_BCM270x

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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>
This commit is contained in:
Noralf Trønnes
2015-06-26 14:25:01 +02:00
committed by Dom Cobley
parent 9b8d23cdf2
commit 726792cd8d
1 changed files with 16 additions and 1 deletions
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17
drivers/firmware/raspberrypi.c
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@@ -34,6 +34,8 @@ struct rpi_firmware {
struct kref consumers;
};
static struct platform_device *g_pdev;
static DEFINE_MUTEX(transaction_lock);
static void response_callback(struct mbox_client *cl, void *msg)
@@ -301,6 +303,7 @@ static int rpi_firmware_probe(struct platform_device *pdev)
kref_init(&fw->consumers);
platform_set_drvdata(pdev, fw);
g_pdev = pdev;
rpi_firmware_print_firmware_revision(fw);
rpi_register_hwmon_driver(dev, fw);
@@ -329,6 +332,7 @@ static void rpi_firmware_remove(struct platform_device *pdev)
rpi_clk = NULL;
rpi_firmware_put(fw);
g_pdev = NULL;
}
static const struct of_device_id rpi_firmware_of_match[] = {
@@ -408,7 +412,18 @@ static struct platform_driver rpi_firmware_driver = {
.shutdown = rpi_firmware_shutdown,
.remove = rpi_firmware_remove,
};
module_platform_driver(rpi_firmware_driver);
static int __init rpi_firmware_init(void)
{
return platform_driver_register(&rpi_firmware_driver);
}
core_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");