diff options
Diffstat (limited to 'drivers/usb/core')
-rw-r--r-- | drivers/usb/core/Kconfig | 12 | ||||
-rw-r--r-- | drivers/usb/core/devices.c | 1 | ||||
-rw-r--r-- | drivers/usb/core/devio.c | 8 | ||||
-rw-r--r-- | drivers/usb/core/file.c | 1 | ||||
-rw-r--r-- | drivers/usb/core/hcd.c | 2 | ||||
-rw-r--r-- | drivers/usb/core/inode.c | 1 |
6 files changed, 16 insertions, 9 deletions
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig index 9eed5b52d9de..bcc24779ba0e 100644 --- a/drivers/usb/core/Kconfig +++ b/drivers/usb/core/Kconfig @@ -107,11 +107,19 @@ config USB_SUSPEND If you are unsure about this, say N here. config USB_OTG - bool + bool "OTG support" depends on USB && EXPERIMENTAL depends on USB_SUSPEND default n - + help + The most notable feature of USB OTG is support for a + "Dual-Role" device, which can act as either a device + or a host. The initial role is decided by the type of + plug inserted and can be changed later when two dual + role devices talk to each other. + + Select this only if your board has Mini-AB/Micro-AB + connector. config USB_OTG_WHITELIST bool "Rely on OTG Targeted Peripherals List" diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index ddb4dc980923..a3d2e2399655 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -54,7 +54,6 @@ #include <linux/gfp.h> #include <linux/poll.h> #include <linux/usb.h> -#include <linux/smp_lock.h> #include <linux/usbdevice_fs.h> #include <linux/usb/hcd.h> #include <linux/mutex.h> diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index f1aaff6202a5..a7131ad630f9 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -37,7 +37,6 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/signal.h> #include <linux/poll.h> #include <linux/module.h> @@ -965,10 +964,11 @@ static int proc_getdriver(struct dev_state *ps, void __user *arg) static int proc_connectinfo(struct dev_state *ps, void __user *arg) { - struct usbdevfs_connectinfo ci; + struct usbdevfs_connectinfo ci = { + .devnum = ps->dev->devnum, + .slow = ps->dev->speed == USB_SPEED_LOW + }; - ci.devnum = ps->dev->devnum; - ci.slow = ps->dev->speed == USB_SPEED_LOW; if (copy_to_user(arg, &ci, sizeof(ci))) return -EFAULT; return 0; diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index 9fe34fb78ef1..cf6a5423de09 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -19,7 +19,6 @@ #include <linux/errno.h> #include <linux/rwsem.h> #include <linux/slab.h> -#include <linux/smp_lock.h> #include <linux/usb.h> #include "usb.h" diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 61800f77dac8..ced846ac4141 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -1330,6 +1330,8 @@ static int map_urb_for_dma(struct usb_hcd *hcd, struct urb *urb, */ if (usb_endpoint_xfer_control(&urb->ep->desc)) { + if (hcd->self.uses_pio_for_control) + return ret; if (hcd->self.uses_dma) { urb->setup_dma = dma_map_single( hcd->self.controller, diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 9819a4cc3b26..b690aa35df9a 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -39,7 +39,6 @@ #include <linux/parser.h> #include <linux/notifier.h> #include <linux/seq_file.h> -#include <linux/smp_lock.h> #include <linux/usb/hcd.h> #include <asm/byteorder.h> #include "usb.h" |