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USB: ce4100: Add support for CE4100 EHCI IP block to EHCI driver

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This patch adds support for the EHCI IP block present on the Intel
CE4100.

Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
CC: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dirk Brandewie 2010-11-17 07:43:09 -08:00 committed by Greg Kroah-Hartman
parent 2f15744c1d
commit 4f68384369
1 changed files with 7 additions and 0 deletions
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7
drivers/usb/host/ehci-pci.c
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@ -22,6 +22,9 @@
#error "This file is PCI bus glue. CONFIG_PCI must be defined." #error "This file is PCI bus glue. CONFIG_PCI must be defined."
#endif #endif
/* defined here to avoid adding to pci_ids.h for single instance use */
#define PCI_DEVICE_ID_INTEL_CE4100_USB 0x2e70
/*-------------------------------------------------------------------------*/ /*-------------------------------------------------------------------------*/
/* called after powerup, by probe or system-pm "wakeup" */ /* called after powerup, by probe or system-pm "wakeup" */
@ -124,6 +127,10 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
ehci_info(ehci, "disable lpm for langwell/penwell\n"); ehci_info(ehci, "disable lpm for langwell/penwell\n");
ehci->has_lpm = 0; ehci->has_lpm = 0;
} }
if (pdev->device == PCI_DEVICE_ID_INTEL_CE4100_USB) {
hcd->has_tt = 1;
tdi_reset(ehci);
}
break; break;
case PCI_VENDOR_ID_TDI: case PCI_VENDOR_ID_TDI:
if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) { if (pdev->device == PCI_DEVICE_ID_TDI_EHCI) {