Since commit 6aa8bde8786d ("usb: host: ehci-generic: Remove DM_REGULATOR flag") device_get_supply_regulator() returns -ENOSYS which is not handle by ehci_enable_vbus_supply() and thus, ehci_usb_probe() return an error.
By enabling DM_REGULATOR flag, device_get_supply_regulator() return -ENOENT which is handle and ehci_usb_probe() return 0.
This fixed the following issue: stih410-b2260 =>usb start starting USB... Bus dwc3@9900000: Register 2000240 NbrPorts 2 Starting the controller USB XHCI 1.00 Bus usb@9a03c00: USB OHCI 1.0 Bus usb@9a03e00: probe failed, error -38 Bus usb@9a83c00: USB OHCI 1.0 Bus usb@9a83e00: probe failed, error -38 scanning bus dwc3@9900000 for devices... 1 USB Device(s) found scanning bus usb@9a03c00 for devices... data abort pc : [<7df929b4>] lr : [<7df92918>] reloc pc : [<7d6409b4>] lr : [<7d640918>] sp : 7c73b848 ip : 9cf13c5c fp : 7c879d08 r10: 7c85d040 r9 : 7c74ded0 r8 : 09a03c00 r7 : 00000002 r6 : 7c85d080 r5 : 7c86a040 r4 : 00000000 r3 : 00000000 r2 : 00000000 r1 : 7c85d080 r0 : 7c85d040 Flags: nzCv IRQs off FIQs off Mode SVC_32 Code: 05853ae4 0affffe2 e59a2010 e59a300c (e5832010) Resetting CPU ...
Signed-off-by: Patrice Chotard patrice.chotard@foss.st.com Cc: Marek Vasut marex@denx.de ---
configs/stih410-b2260_defconfig | 1 + 1 file changed, 1 insertion(+)
diff --git a/configs/stih410-b2260_defconfig b/configs/stih410-b2260_defconfig index 815f7557d69..e312ca492d2 100644 --- a/configs/stih410-b2260_defconfig +++ b/configs/stih410-b2260_defconfig @@ -48,6 +48,7 @@ CONFIG_MMC_SDHCI_STI=y CONFIG_PHY=y CONFIG_STI_USB_PHY=y CONFIG_PINCTRL=y +CONFIG_DM_REGULATOR=y CONFIG_STI_RESET=y CONFIG_STI_ASC_SERIAL=y CONFIG_SYSRESET=y