32973f90d4710db5fdb964be287cf120acff2a93
[openwrt/staging/thess.git] /
1 From d8b5b8e27ba261e9a71843705c6821418683e599 Mon Sep 17 00:00:00 2001
2 From: Martin Sperl <kernel@martin.sperl.org>
3 Date: Fri, 2 Sep 2016 16:45:27 +0100
4 Subject: [PATCH 020/782] Register the clocks early during the boot process, so
5 that special/critical clocks can get enabled early on in the boot process
6 avoiding the risk of disabling a clock, pll_divider or pll when a claiming
7 driver fails to install propperly - maybe it needs to defer.
8
9 Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
10 ---
11 drivers/clk/bcm/clk-bcm2835.c | 15 +++++++++++++--
12 1 file changed, 13 insertions(+), 2 deletions(-)
13
14 --- a/drivers/clk/bcm/clk-bcm2835.c
15 +++ b/drivers/clk/bcm/clk-bcm2835.c
16 @@ -2184,8 +2184,15 @@ static int bcm2835_clk_probe(struct plat
17 if (ret)
18 return ret;
19
20 - return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
21 + ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
22 &cprman->onecell);
23 + if (ret)
24 + return ret;
25 +
26 + /* note that we have registered all the clocks */
27 + dev_dbg(dev, "registered %d clocks\n", asize);
28 +
29 + return 0;
30 }
31
32 static const struct of_device_id bcm2835_clk_of_match[] = {
33 @@ -2202,7 +2209,11 @@ static struct platform_driver bcm2835_cl
34 .probe = bcm2835_clk_probe,
35 };
36
37 -builtin_platform_driver(bcm2835_clk_driver);
38 +static int __init __bcm2835_clk_driver_init(void)
39 +{
40 + return platform_driver_register(&bcm2835_clk_driver);
41 +}
42 +core_initcall(__bcm2835_clk_driver_init);
43
44 MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
45 MODULE_DESCRIPTION("BCM2835 clock driver");