[U-Boot] [PATCH v2 01/15] usb: xhci-pci: Drop non-DM version of xhci-pci driver

[Bin Meng]

As there is no board that currently uses xhci-pci driver without DM
USB, drop its support and leave only DM support.

Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
Reviewed-by: Simon Glass <sjg at chromium.org>

---

Changes in v2:
- update the xhci-pci driver Kconfig to make it depend on DM_USB

 drivers/usb/host/Kconfig    |  1 +
 drivers/usb/host/xhci-pci.c | 52 ---------------------------------------------
 2 files changed, 1 insertion(+), 52 deletions(-)

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 9edc589..67ad72b 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -33,6 +33,7 @@ config USB_XHCI_MVEBU
 
 config USB_XHCI_PCI
 	bool "Support for PCI-based xHCI USB controller"
+	depends on DM_USB
 	default y if X86
 	help
 	  Enables support for the PCI-based xHCI controller.
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 63daaa6..5ad8452 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -14,56 +14,6 @@
 
 #include "xhci.h"
 
-#ifndef CONFIG_DM_USB
-
-/*
- * Create the appropriate control structures to manage a new XHCI host
- * controller.
- */
-int xhci_hcd_init(int index, struct xhci_hccr **ret_hccr,
-		  struct xhci_hcor **ret_hcor)
-{
-	struct xhci_hccr *hccr;
-	struct xhci_hcor *hcor;
-	pci_dev_t pdev;
-	uint32_t cmd;
-	int len;
-
-	pdev = pci_find_class(PCI_CLASS_SERIAL_USB_XHCI, index);
-	if (pdev < 0) {
-		printf("XHCI host controller not found\n");
-		return -1;
-	}
-
-	hccr = (struct xhci_hccr *)pci_map_bar(pdev,
-			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
-	len = HC_LENGTH(xhci_readl(&hccr->cr_capbase));
-	hcor = (struct xhci_hcor *)((uint32_t)hccr + len);
-
-	debug("XHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
-	      (uint32_t)hccr, (uint32_t)hcor, len);
-
-	*ret_hccr = hccr;
-	*ret_hcor = hcor;
-
-	/* enable busmaster */
-	pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
-	cmd |= PCI_COMMAND_MASTER;
-	pci_write_config_dword(pdev, PCI_COMMAND, cmd);
-
-	return 0;
-}
-
-/*
- * Destroy the appropriate control structures corresponding * to the XHCI host
- * controller
- */
-void xhci_hcd_stop(int index)
-{
-}
-
-#else
-
 struct xhci_pci_priv {
 	struct xhci_ctrl ctrl;	/* Needs to come first in this struct! */
 };
@@ -137,5 +87,3 @@ static struct pci_device_id xhci_pci_supported[] = {
 };
 
 U_BOOT_PCI_DEVICE(xhci_pci, xhci_pci_supported);
-
-#endif /* CONFIG_DM_USB */
-- 
2.9.2