Use ofnode_ instead of fdt_ or fdtdec_ APIs so that the driver can support live DT.
Signed-off-by: Kever Yang kever.yang@rock-chips.com ---
Changes in v2: - fix build error for ofnode not define
drivers/usb/host/dwc3-sti-glue.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-)
diff --git a/drivers/usb/host/dwc3-sti-glue.c b/drivers/usb/host/dwc3-sti-glue.c index ad7cf6e6b5..ae9573ab8a 100644 --- a/drivers/usb/host/dwc3-sti-glue.c +++ b/drivers/usb/host/dwc3-sti-glue.c @@ -10,8 +10,6 @@ #include <asm/io.h> #include <dm.h> #include <errno.h> -#include <fdtdec.h> -#include <linux/libfdt.h> #include <dm/lists.h> #include <regmap.h> #include <reset-uclass.h> @@ -109,8 +107,7 @@ static int sti_dwc3_glue_ofdata_to_platdata(struct udevice *dev) int ret; u32 reg[4];
- ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(dev), - "reg", reg, ARRAY_SIZE(reg)); + ret = ofnode_read_u32_array(dev->node, "reg", reg, ARRAY_SIZE(reg)); if (ret) { pr_err("unable to find st,stih407-dwc3 reg property(%d)\n", ret); return ret; @@ -153,24 +150,21 @@ static int sti_dwc3_glue_ofdata_to_platdata(struct udevice *dev) static int sti_dwc3_glue_bind(struct udevice *dev) { struct sti_dwc3_glue_platdata *plat = dev_get_platdata(dev); - int dwc3_node; + ofnode node, dwc3_node;
- /* check if one subnode is present */ - dwc3_node = fdt_first_subnode(gd->fdt_blob, dev_of_offset(dev)); - if (dwc3_node <= 0) { - pr_err("Can't find subnode for %s\n", dev->name); - return -ENODEV; + /* Find snps,dwc3 node from subnode */ + ofnode_for_each_subnode(node, dev->node) { + if (ofnode_device_is_compatible(node, "snps,dwc3")) + dwc3_node = node; }
- /* check if the subnode compatible string is the dwc3 one*/ - if (fdt_node_check_compatible(gd->fdt_blob, dwc3_node, - "snps,dwc3") != 0) { + if (!ofnode_valid(node)) { pr_err("Can't find dwc3 subnode for %s\n", dev->name); return -ENODEV; }
/* retrieve the DWC3 dual role mode */ - plat->mode = usb_get_dr_mode(dwc3_node); + plat->mode = usb_get_dr_mode(ofnode_to_offset(dwc3_node)); if (plat->mode == USB_DR_MODE_UNKNOWN) /* by default set dual role mode to HOST */ plat->mode = USB_DR_MODE_HOST;