From db32a446f91b421f516e9d2f5f42970e3a90a723 Mon Sep 17 00:00:00 2001 From: Tien Fong Chee Date: Thu, 31 Jan 2019 19:34:13 +0800 Subject: [PATCH] misc: fs_loader: Add support for initializing block device Firmware loader would encounter problem if the block device is accessed before initializing it. This patch would adding the support of probing block device and initializing block before the block device is accessed by firmware loader. Signed-off-by: Tien Fong Chee Reviewed-by: Simon Glass --- drivers/misc/fs_loader.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/drivers/misc/fs_loader.c b/drivers/misc/fs_loader.c index 57a14a3479..a2e3763c19 100644 --- a/drivers/misc/fs_loader.c +++ b/drivers/misc/fs_loader.c @@ -252,6 +252,29 @@ static int fs_loader_ofdata_to_platdata(struct udevice *dev) static int fs_loader_probe(struct udevice *dev) { +#if CONFIG_IS_ENABLED(DM) && CONFIG_IS_ENABLED(BLK) + int ret; + struct device_platdata *plat = dev->platdata; + + if (plat->phandlepart.phandle) { + ofnode node = ofnode_get_by_phandle(plat->phandlepart.phandle); + struct udevice *parent_dev = NULL; + + ret = device_get_global_by_ofnode(node, &parent_dev); + if (!ret) { + struct udevice *dev; + + ret = blk_get_from_parent(parent_dev, &dev); + if (ret) { + debug("fs_loader: No block device: %d\n", + ret); + + return ret; + } + } + } +#endif + return 0; }; -- 2.39.5