1 From 6f190ee10a1d3276450e6190bb6d75a03040dcef Mon Sep 17 00:00:00 2001
2 From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
3 Date: Fri, 26 Jun 2015 14:25:01 +0200
4 Subject: [PATCH 055/806] firmware: bcm2835: Support ARCH_BCM270x
6 Content-Type: text/plain; charset=UTF-8
7 Content-Transfer-Encoding: 8bit
9 Support booting without Device Tree.
11 Load driver early because of lacking support for deferred probing
14 Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
16 firmware: bcm2835: Don't turn on USB power
18 The raspberrypi-power driver is now used to turn on USB power.
20 This partly reverts commit:
21 firmware: bcm2835: Support ARCH_BCM270x
23 Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
25 drivers/firmware/raspberrypi.c | 19 +++++++++++++++++--
26 1 file changed, 17 insertions(+), 2 deletions(-)
28 --- a/drivers/firmware/raspberrypi.c
29 +++ b/drivers/firmware/raspberrypi.c
30 @@ -32,6 +32,8 @@ struct rpi_firmware {
34 +static struct platform_device *g_pdev;
36 static DEFINE_MUTEX(transaction_lock);
38 static void response_callback(struct mbox_client *cl, void *msg)
39 @@ -229,6 +231,7 @@ static int rpi_firmware_probe(struct pla
40 init_completion(&fw->c);
42 platform_set_drvdata(pdev, fw);
45 rpi_firmware_print_firmware_revision(fw);
46 rpi_register_hwmon_driver(dev, fw);
47 @@ -243,6 +246,7 @@ static int rpi_firmware_remove(struct pl
48 platform_device_unregister(rpi_hwmon);
50 mbox_free_channel(fw->chan);
55 @@ -255,7 +259,7 @@ static int rpi_firmware_remove(struct pl
57 struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node)
59 - struct platform_device *pdev = of_find_device_by_node(firmware_node);
60 + struct platform_device *pdev = g_pdev;
64 @@ -278,7 +282,18 @@ static struct platform_driver rpi_firmwa
65 .probe = rpi_firmware_probe,
66 .remove = rpi_firmware_remove,
68 -module_platform_driver(rpi_firmware_driver);
70 +static int __init rpi_firmware_init(void)
72 + return platform_driver_register(&rpi_firmware_driver);
74 +subsys_initcall(rpi_firmware_init);
76 +static void __init rpi_firmware_exit(void)
78 + platform_driver_unregister(&rpi_firmware_driver);
80 +module_exit(rpi_firmware_exit);
82 MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
83 MODULE_DESCRIPTION("Raspberry Pi firmware driver");