Commit 0776ce03 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb 

Pull USB fixes from Greg Kroah-Hartman:
 "Here are some USB fixes to resolve issues reported recently, as well
  as a new device id for the ftdi_sio driver."

* tag 'usb-3.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: ftdi_sio: Add support for Mitsubishi FX-USB-AW/-BD
  usb: Fix compile error by selecting USB_OTG_UTILS
  USB: serial: fix hang when opening port
  USB: EHCI: fix bug in iTD/siTD DMA pool allocation
  xhci: Don't warn on empty ring for suspended devices.
  usb: xhci: Fix TRB transfer length macro used for Event TRB.
  usb/acpi: binding xhci root hub usb port with ACPI
  usb: add find_raw_port_number callback to struct hc_driver()
  usb: xhci: fix build warning
parents 045ecc26 482b0b5d

drivers/usb/core/hcd.c

+8 −0
Original line number Diff line number Diff line
@@ -2412,6 +2412,14 @@ int usb_hcd_is_primary_hcd(struct usb_hcd *hcd) 
}

EXPORT_SYMBOL_GPL(usb_hcd_is_primary_hcd);



int usb_hcd_find_raw_port_number(struct usb_hcd *hcd, int port1)

{

	if (!hcd->driver->find_raw_port_number)

		return port1;



	return hcd->driver->find_raw_port_number(hcd, port1);

}



static int usb_hcd_request_irqs(struct usb_hcd *hcd,

		unsigned int irqnum, unsigned long irqflags)

{

drivers/usb/core/usb-acpi.c

+7 −1
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/kernel.h>

#include <linux/acpi.h>

#include <linux/pci.h>

#include <linux/usb/hcd.h>

#include <acpi/acpi_bus.h>



#include "usb.h"
@@ -188,8 +189,13 @@ static int usb_acpi_find_device(struct device *dev, acpi_handle *handle) 
		 * connected to.

		 */

		if (!udev->parent) {

			*handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev),

			struct usb_hcd *hcd = bus_to_hcd(udev->bus);

			int raw_port_num;



			raw_port_num = usb_hcd_find_raw_port_number(hcd,

				port_num);

			*handle = acpi_get_child(DEVICE_ACPI_HANDLE(&udev->dev),

				raw_port_num);

			if (!*handle)

				return -ENODEV;

		} else {

drivers/usb/gadget/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -145,6 +145,7 @@ config USB_LPC32XX 
	tristate "LPC32XX USB Peripheral Controller"

	depends on ARCH_LPC32XX

	select USB_ISP1301

	select USB_OTG_UTILS

	help

	   This option selects the USB device controller in the LPC32xx SoC.

drivers/usb/host/ehci-sched.c

+2 −0
Original line number Diff line number Diff line
@@ -1214,6 +1214,7 @@ itd_urb_transaction ( 


		memset (itd, 0, sizeof *itd);

		itd->itd_dma = itd_dma;

		itd->frame = 9999;		/* an invalid value */

		list_add (&itd->itd_list, &sched->td_list);

	}

	spin_unlock_irqrestore (&ehci->lock, flags);
@@ -1915,6 +1916,7 @@ sitd_urb_transaction ( 


		memset (sitd, 0, sizeof *sitd);

		sitd->sitd_dma = sitd_dma;

		sitd->frame = 9999;		/* an invalid value */

		list_add (&sitd->sitd_list, &iso_sched->td_list);

	}

drivers/usb/host/xhci-mem.c

+8 −28
Original line number Diff line number Diff line
@@ -1022,44 +1022,24 @@ void xhci_copy_ep0_dequeue_into_input_ctx(struct xhci_hcd *xhci, 
 * is attached to (or the roothub port its ancestor hub is attached to).  All we

 * know is the index of that port under either the USB 2.0 or the USB 3.0

 * roothub, but that doesn't give us the real index into the HW port status

 * registers.  Scan through the xHCI roothub port array, looking for the Nth

 * entry of the correct port speed.  Return the port number of that entry.

 * registers. Call xhci_find_raw_port_number() to get real index.

 */

static u32 xhci_find_real_port_number(struct xhci_hcd *xhci,

		struct usb_device *udev)

{

	struct usb_device *top_dev;

	unsigned int num_similar_speed_ports;

	unsigned int faked_port_num;

	int i;

	struct usb_hcd *hcd;



	if (udev->speed == USB_SPEED_SUPER)

		hcd = xhci->shared_hcd;

	else

		hcd = xhci->main_hcd;



	for (top_dev = udev; top_dev->parent && top_dev->parent->parent;

			top_dev = top_dev->parent)

		/* Found device below root hub */;

	faked_port_num = top_dev->portnum;

	for (i = 0, num_similar_speed_ports = 0;

			i < HCS_MAX_PORTS(xhci->hcs_params1); i++) {

		u8 port_speed = xhci->port_array[i];



		/*

		 * Skip ports that don't have known speeds, or have duplicate

		 * Extended Capabilities port speed entries.

		 */

		if (port_speed == 0 || port_speed == DUPLICATE_ENTRY)

			continue;



		/*

		 * USB 3.0 ports are always under a USB 3.0 hub.  USB 2.0 and

		 * 1.1 ports are under the USB 2.0 hub.  If the port speed

		 * matches the device speed, it's a similar speed port.

		 */

		if ((port_speed == 0x03) == (udev->speed == USB_SPEED_SUPER))

			num_similar_speed_ports++;

		if (num_similar_speed_ports == faked_port_num)

			/* Roothub ports are numbered from 1 to N */

			return i+1;

	}

	return 0;

	return	xhci_find_raw_port_number(hcd, top_dev->portnum);

}



/* Setup an xHCI virtual device for a Set Address command */

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