pinctrl: Avoid binding all pinconfig nodes before relocation

This can create a large number of pinctrl devices. It chews up early
malloc() memory and takes time. Only bind those which are marked as needed
before relocation.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c
index b5fdcd12a8251de2fc6f013a539b5ca41af94712..c42b312ddd090a0d4b9400fd6cbeb1be0ace6aec 100644 (file)
--- a/drivers/pinctrl/pinctrl-uclass.c
+++ b/drivers/pinctrl/pinctrl-uclass.c
@@ -111,12 +111,16 @@ static int pinconfig_post_bind(struct udevice *dev)
 {
        const void *fdt = gd->fdt_blob;
        int offset = dev->of_offset;
+       bool pre_reloc_only = !(gd->flags & GD_FLG_RELOC);
        const char *name;
        int ret;
 
        for (offset = fdt_first_subnode(fdt, offset);
             offset > 0;
             offset = fdt_next_subnode(fdt, offset)) {
+               if (pre_reloc_only &&
+                   !fdt_getprop(fdt, offset, "u-boot,dm-pre-reloc", NULL))
+                       continue;
                /*
                 * If this node has "compatible" property, this is not
                 * a pin configuration node, but a normal device. skip.