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authorCatalin Marinas <catalin.marinas@arm.com>2013-02-04 22:08:02 +0400
committerSamuel Ortiz <sameo@linux.intel.com>2013-02-14 03:22:59 +0400
commitdcd560c8587171bb22c75c41ac2a70986bbbde7f (patch)
tree697be49ca14a2bbcc2937f91a0012665ca09bfb6 /drivers/mfd/vexpress-sysreg.c
parente12379320b2e1ceffc4211ad174989bc042149d9 (diff)
downloadlinux-dcd560c8587171bb22c75c41ac2a70986bbbde7f.tar.xz
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>
Diffstat (limited to 'drivers/mfd/vexpress-sysreg.c')
-rw-r--r--drivers/mfd/vexpress-sysreg.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c
index 51c3ca263bf5..a4a43230abcd 100644
--- a/drivers/mfd/vexpress-sysreg.c
+++ b/drivers/mfd/vexpress-sysreg.c
@@ -338,14 +338,15 @@ void __init vexpress_sysreg_early_init(void __iomem *base)
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 struct platform_driver vexpress_sysreg_driver = {
static int __init vexpress_sysreg_init(void)
{
+ vexpress_sysreg_of_early_init();
return platform_driver_register(&vexpress_sysreg_driver);
}
core_initcall(vexpress_sysreg_init);