[U-Boot] [PATCH 2/8] dm: pci: Only allow serial device to be bound before relocation

[Bin Meng]

To further limit the memory space, we only allow serial device
to be bound before relocation.

Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---

 drivers/pci/pci-uclass.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index 4160274..b7dca0f 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -487,9 +487,13 @@ static int pci_find_and_bind_driver(struct udevice *parent,
 			 * whose driver has the DM_FLAG_PRE_RELOC set, to save
 			 * precious memory space as on some platforms as that
 			 * space is pretty limited (ie: using Cache As RAM).
+			 *
+			 * To further limit the memory space, we only allow
+			 * serial device to be bound.
 			 */
 			if (!(gd->flags & GD_FLG_RELOC) &&
-			    !(drv->flags & DM_FLAG_PRE_RELOC))
+			    !(drv->flags & DM_FLAG_PRE_RELOC) &&
+			    (drv->id != UCLASS_SERIAL))
 				return 0;
 
 			/*
-- 
1.8.2.1