46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
From 41e34cd05d40eca6674e25eb9a85e5f7992d4e83 Mon Sep 17 00:00:00 2001
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From: Martin Sperl <kernel@martin.sperl.org>
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Date: Fri, 2 Sep 2016 16:45:27 +0100
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Subject: [PATCH] Register the clocks early during the boot process, so
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that special/critical clocks can get enabled early on in the boot process
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avoiding the risk of disabling a clock, pll_divider or pll when a claiming
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driver fails to install propperly - maybe it needs to defer.
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Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
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---
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drivers/clk/bcm/clk-bcm2835.c | 15 +++++++++++++--
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1 file changed, 13 insertions(+), 2 deletions(-)
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--- a/drivers/clk/bcm/clk-bcm2835.c
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+++ b/drivers/clk/bcm/clk-bcm2835.c
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@@ -2295,8 +2295,15 @@ static int bcm2835_clk_probe(struct plat
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if (ret)
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return ret;
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- return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
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+ ret = of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get,
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&cprman->onecell);
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+ if (ret)
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+ return ret;
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+
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+ /* note that we have registered all the clocks */
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+ dev_dbg(dev, "registered %d clocks\n", asize);
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+
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+ return 0;
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}
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static const struct cprman_plat_data cprman_bcm2835_plat_data = {
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@@ -2322,7 +2329,11 @@ static struct platform_driver bcm2835_cl
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.probe = bcm2835_clk_probe,
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};
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-builtin_platform_driver(bcm2835_clk_driver);
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+static int __init __bcm2835_clk_driver_init(void)
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+{
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+ return platform_driver_register(&bcm2835_clk_driver);
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+}
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+core_initcall(__bcm2835_clk_driver_init);
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MODULE_AUTHOR("Eric Anholt <eric@anholt.net>");
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MODULE_DESCRIPTION("BCM2835 clock driver");
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