[U-Boot] [PATCH v4 04/21] ehci-hcd: Add init_after_reset

[Mateusz Kulikowski]

Some host controllers need addidional initialization after ehci_reset()
In non-dm implementation it is possible to use CONFIG_EHCI_HCD_INIT_AFTER_RESET.
This patch adds similar option to ehci drivers using dm.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski at gmail.com>
Acked-by: Marek Vasut <marex at denx.de>
Reviewed-by: Tom Rini <trini at konsulko.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
Tested-by: Simon Glass <sjg at chromium.org>
---

Changes in v4: None
Changes in v3: None
Changes in v2:
- Add Reviewed-by (sjg)

Changes in v1:
- No changes, just added Acked-by, Reviewed-by

 drivers/usb/host/ehci-hcd.c | 6 ++++++
 drivers/usb/host/ehci.h     | 1 +
 2 files changed, 7 insertions(+)

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 0113c6c..598f444 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1615,6 +1615,12 @@ int ehci_register(struct udevice *dev, struct ehci_hccr *hccr,
 	if (ret)
 		goto err;
 
+	if (ops->init_after_reset) {
+		ret = ops->init_after_reset(ctrl);
+		if (ret)
+			goto err;
+	}
+
 	ret = ehci_common_init(ctrl, tweaks);
 	if (ret)
 		goto err;
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 826b3fe..734d7f0 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -240,6 +240,7 @@ struct ehci_ops {
 	void (*powerup_fixup)(struct ehci_ctrl *ctrl, uint32_t *status_reg,
 			      uint32_t *reg);
 	uint32_t *(*get_portsc_register)(struct ehci_ctrl *ctrl, int port);
+	int (*init_after_reset)(struct ehci_ctrl *ctrl);
 };
 
 struct ehci_ctrl {
-- 
2.5.0