linux-kernel - [PATCH 5/6] usb: add support for STA2X11 host driver

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Date:	Fri, 6 Jan 2012 13:33:28 +0100
From:	Alessandro Rubini <rubini@...dd.com>
To:	linux-kernel@...r.kernel.org
Cc:	giancarlo.asnaghi@...com, alan@...ux.intel.com, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com, x86@...nel.org,
	stern@...land.harvard.edu, gregkh@...e.de,
	linux-usb@...r.kernel.org
Subject: [PATCH 5/6] usb: add support for STA2X11 host driver

Signed-off-by: Alessandro Rubini <rubini@...dd.com>
Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@...com>
Cc: Alan Cox <alan@...ux.intel.com>
---
 drivers/usb/host/ehci-pci.c |    6 ++++++
 drivers/usb/host/ohci-pci.c |    4 ++++
 2 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index f4b627d..01bb7241d 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -276,6 +276,9 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
 
 	/* Serial Bus Release Number is at PCI 0x60 offset */
 	pci_read_config_byte(pdev, 0x60, &ehci->sbrn);
+	if (pdev->vendor == PCI_VENDOR_ID_STMICRO
+	    && pdev->device == PCI_DEVICE_ID_STMICRO_USB_HOST)
+		ehci->sbrn = 0x20; /* ConneXT has no sbrn register */
 
 	/* Keep this around for a while just in case some EHCI
 	 * implementation uses legacy PCI PM support.  This test
@@ -526,6 +529,9 @@ static const struct pci_device_id pci_ids [] = { {
 	/* handle any USB 2.0 EHCI controller */
 	PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_EHCI, ~0),
 	.driver_data =	(unsigned long) &ehci_pci_hc_driver,
+	}, {
+	PCI_VDEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_USB_HOST),
+	.driver_data = (unsigned long) &ehci_pci_hc_driver,
 	},
 	{ /* end: all zeroes */ }
 };
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 6109810..1843bb6 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -397,6 +397,10 @@ static const struct pci_device_id pci_ids [] = { {
 	/* handle any USB OHCI controller */
 	PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_USB_OHCI, ~0),
 	.driver_data =	(unsigned long) &ohci_pci_hc_driver,
+	}, {
+	/* The device in the ConneXT I/O hub has no class reg */
+	PCI_VDEVICE(STMICRO, PCI_DEVICE_ID_STMICRO_USB_OHCI),
+	.driver_data =	(unsigned long) &ohci_pci_hc_driver,
 	}, { /* end: all zeroes */ }
 };
 MODULE_DEVICE_TABLE (pci, pci_ids);
-- 
1.7.7.2
--
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