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>
diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c
index 51c3ca2..a4a43230 100644
--- a/drivers/mfd/vexpress-sysreg.c
+++ b/drivers/mfd/vexpress-sysreg.c
@@ -338,14 +338,15 @@
void __init vexpress_sysreg_of_early_init(void)
{
- struct device_node *node = of_find_compatible_node(NULL, NULL,
- "arm,vexpress-sysreg");
+ struct device_node *node;
+ if (vexpress_sysreg_base)
+ return;
+
+ node = of_find_compatible_node(NULL, NULL, "arm,vexpress-sysreg");
if (node) {
vexpress_sysreg_base = of_iomap(node, 0);
vexpress_sysreg_setup(node);
- } else {
- pr_info("vexpress-sysreg: No Device Tree node found.");
}
}
@@ -515,6 +516,7 @@
static int __init vexpress_sysreg_init(void)
{
+ vexpress_sysreg_of_early_init();
return platform_driver_register(&vexpress_sysreg_driver);
}
core_initcall(vexpress_sysreg_init);