[PATCH 3/4] qfw: Spawn ramfb device if its file is present

[Alexander Graf]

Now that we have a ramfb device driver, let's add the necessary glueing
magic to also spawn it when we find its qfw file node.

Signed-off-by: Alexander Graf <ag...@csgraf.de>
---
 drivers/misc/qfw.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/misc/qfw.c b/drivers/misc/qfw.c
index 7c6ed41f48..fefa0bce86 100644
--- a/drivers/misc/qfw.c
+++ b/drivers/misc/qfw.c
@@ -13,6 +13,7 @@
 #include <malloc.h>
 #include <qfw.h>
 #include <dm.h>
+#include <dm/lists.h>
 #include <misc.h>
 #include <tables_csum.h>
 #if defined(CONFIG_GENERATE_ACPI_TABLE) && !defined(CONFIG_ARM)
@@ -309,6 +310,26 @@ void qfw_read_entry(struct udevice *dev, u16 entry, u32 
size, void *address)
                qfw_read_entry_io(qdev, entry, size, address);
 }
 
+static void qfw_bind_ramfb(struct udevice *dev)
+{
+#ifdef CONFIG_VIDEO_RAMFB
+       struct fw_file *file;
+       int ret;
+
+       ret = qfw_read_firmware_list(dev);
+       if (ret)
+               return;
+
+       file = qfw_find_file(dev, "etc/ramfb");
+       if (!file) {
+               /* No ramfb available. */
+               return;
+       }
+
+       device_bind_driver(dev, "ramfb", "qfw-ramfb", NULL);
+#endif
+}
+
 int qfw_register(struct udevice *dev)
 {
        struct qfw_dev *qdev = dev_get_uclass_priv(dev);
@@ -325,6 +346,8 @@ int qfw_register(struct udevice *dev)
        if (dma_enabled & FW_CFG_DMA_ENABLED)
                qdev->dma_present = true;
 
+       qfw_bind_ramfb(dev);
+
        return 0;
 }
 
-- 
2.32.0