[U-Boot] USB ehci driver query

Hello, I am new to u-boot code. I am reading the usb host controller code for root hub configuration. I have some queries regarding some code. If anyone has got understanding about it pls explain it to me. In usb.c the core calls the usb controller driver (ehci-hcd.c) by issuing command GET_DESCR

[U-Boot] USB ehci driver query

Hello, I am new to u-boot code. I am reading the usb host controller code for root hub configuration. I have some queries regarding some code. If anyone has got understanding about it pls explain it to me. In usb.c the core calls the usb controller driver (ehci-hcd.c) by issuing command GET_DESC