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mfd: vexpress: Allow vexpress-sysreg to self-initialise
The vexpress_sysreg_init() is a core_initcall() already and it can trigger the early initialisation if a matching node is found. This patch allows the SoC code to avoid calling vexpress_sysreg_of_early_init() explicitly. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Pawel Moll <pawel.moll@arm.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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1 changed files with 6 additions and 4 deletions
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@ -338,14 +338,15 @@ void __init vexpress_sysreg_early_init(void __iomem *base)
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void __init vexpress_sysreg_of_early_init(void)
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{
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struct device_node *node = of_find_compatible_node(NULL, NULL,
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"arm,vexpress-sysreg");
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struct device_node *node;
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if (vexpress_sysreg_base)
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return;
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node = of_find_compatible_node(NULL, NULL, "arm,vexpress-sysreg");
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if (node) {
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vexpress_sysreg_base = of_iomap(node, 0);
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vexpress_sysreg_setup(node);
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} else {
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pr_info("vexpress-sysreg: No Device Tree node found.");
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}
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}
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@ -515,6 +516,7 @@ static struct platform_driver vexpress_sysreg_driver = {
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static int __init vexpress_sysreg_init(void)
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{
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vexpress_sysreg_of_early_init();
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return platform_driver_register(&vexpress_sysreg_driver);
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}
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core_initcall(vexpress_sysreg_init);
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