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With patch as1329 (USB: convert to the runtime PM framework),
we make USB_SUSPEND depend on PM_RUNTIME instead of CONFIG_PM.
Also, CONFIG_USB_OTG selects CONFIG_USB_SUSPEND.
If PM_RUNTIME is not enabled, and we try to enable USB_OTG,
we will end up with CONFIG_USB_SUSPEND selected. This is
due to a known bug with the select statement.
This makes the build break on various OMAP configs (which
have CONFIG_USB_OTG set by default, but do not yet have
CONFIG_PM_RUNTIME enabled).
Avoid this by changing the logic for CONFIG_USB_OTG from
"select USB_SUSPEND" to "depends on USB_SUSPEND"
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
CC: Michal Marek <mmarek@suse.cz>
CC: Tony Lindgren <tony@atomide.com>
CC: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
PATCH TO EXTEND SUPPORT TO AC8710 WITH 0xFFFF Product ID.
Signed-off-by: Mahesh Kuruganti <maheshkuruganti@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Based on the information provided for by Paweł Drobek, add
a second vendor ID and the correct product ID for ZTE MF 330.
Reported-by: Paweł Drobek <pawel.drobek@gmail.com>
Signed-off: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
For periodic endpoints, we must let the xHCI hardware know the maximum
payload an endpoint can transfer in one service interval. The xHCI
specification refers to this as the Maximum Endpoint Service Interval Time
Payload (Max ESIT Payload). This is used by the hardware for bandwidth
management and scheduling of packets.
For SuperSpeed endpoints, the maximum is calculated by multiplying the max
packet size by the number of bursts and the number of opportunities to
transfer within a service interval (the Mult field of the SuperSpeed
Endpoint companion descriptor). Devices advertise this in the
wBytesPerInterval field of their SuperSpeed Endpoint Companion Descriptor.
For high speed devices, this is taken by multiplying the max packet size by the
"number of additional transaction opportunities per microframe" (the high
bits of the wMaxPacketSize field in the endpoint descriptor).
For FS/LS devices, this is just the max packet size.
The other thing we must set in the endpoint context is the Average TRB
Length. This is supposed to be the average of the total bytes in the
transfer descriptor (TD), divided by the number of transfer request blocks
(TRBs) it takes to describe the TD. This gives the host controller an
indication of whether the driver will be enqueuing a scatter gather list
with many entries comprised of small buffers, or one contiguous buffer.
It also takes into account the number of extra TRBs you need for every TD.
This includes No-op TRBs and Link TRBs used to link ring segments
together. Some drivers may choose to chain an Event Data TRB on the end
of every TD, thus increasing the average number of TRBs per TD. The Linux
xHCI driver does not use Event Data TRBs.
In theory, if there was an API to allow drivers to state what their
bandwidth requirements are, we could set this field accurately. For now,
we set it to the same number as the Max ESIT payload.
The Average TRB Length should also be set for bulk and control endpoints,
but I have no idea how to guess what it should be.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
A SuperSpeed interrupt or isochronous endpoint can define the number of
"burst transactions" it can handle in a service interval. This is
indicated by the "Mult" bits in the bmAttributes of the SuperSpeed
Endpoint Companion Descriptor. For example, if it has a max packet size
of 1024, a max burst of 11, and a mult of 3, the host may send 33
1024-byte packets in one service interval.
We must tell the xHCI host controller the number of multiple service
opportunities (mults) the device can handle when the endpoint is
installed. We do that by setting the Mult field of the Endpoint Context
before a configure endpoint command is sent down. The Mult field is
invalid for control or bulk SuperSpeed endpoints.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch (as1371) fixes a small bug in ohci-hcd. The HCD already
knows how many ports the controller has; there's no need to go looking
at the root hub's usb_device structure to find out. Especially since
the root hub's maxchild value is set correctly only while the root hub
is bound to the hub driver.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch (as1372) fixes a bug in the routine that chooses the
default configuration to install when a new USB device is detected.
The algorithm is supposed to look for a config whose first interface
is for a non-vendor-specific class. But the way it's currently
written, it will also accept a config with no interfaces at all, which
is not very useful. (Believe it or not, such things do exist.)
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Andrew Victor <avictor.za@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The Maretron USB100 needs this quirk in order to work properly.
Signed-off-by: Russ Nelson <nelson@crynwr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
There is a typo here. We should be testing "*dentry" which was just
assigned instead of "dentry". This could result in dereferencing an
ERR_PTR inside either usbfs_mkdir() or usbfs_create().
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Commit 18eabe2347ae7a11b3db768695913724166dfb0e introduced
DMA buffer ownership. Fix tusb6010 accordingly. To compile,
also dummy musb_platform_save and restore functions need to
be added.
Also change the order of musb_read_fifo() to happen after
dma_cache_maint to have the DMA operations completed before
moving the remaining unaligned bytes with PIO. The DMA
access and PIO touch different areas of the FIFO, so this
change only makes the code a bit easier to follow.
Tested on n810 and g_ether with variable size ping test.
The test seems to fail for some ping sizes, but that seems to
be a different problem.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This function forgets to call usb_remove_hcd() or musb_gadget_cleanup() iff
sysfs_create_group() fails.
[ felipe.balbi@nokia.com : review the entire error path
not only when we fail hcd or gadget ]
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
CONFIG_ARCH_DAVINCI now embraces both the "real" DaVinci and DA8xx/OMAP-L1x --
on which the DaVinci glue layer won't work. Change the Makefile dependency to
CONFIG_ARCH_DAVINCI_DMx which corresponds to "real" DaVinci.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
musb_platform_exit() is called twice from musb_init_controller() iff controller
initialization fails. Move the call (and the DevCtl register writes surrounding
it) from musb_free() to musb_remove().
Fix mispalced and now incorrect 'goto's in musb_init_controller().
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Remove duplicate/unbalanced call to clk_put() from musb_platform_exit() --
clk_put() gets called from musb_core.c anyway...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This function forgets to call clk_disable() iff reading the USB module version
register returns 0.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Resetting 'musb->clock' to NULL in musb_shutdown() prevents musb_platform_exit()
from properly disabling the clock when unloading the driver -- don't do it.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Remove duplicate/unbalanced calls to clk_disable()/clk_put() in musb_free():
- clk_disable() is called by musb_platform_exit() just prior to this call;
- clk_put() is called by the callers of musb_free() prior to calling it...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
We assign "urb->hcpriv = qh;" a few lines down. I'm pretty sure we
want it "urb->hcpriv" to be NULL not a freed value.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Commit a5073b52833e4df8e16c93dc4cbb7e0c558c74a2 (musb_gadget: fix unhandled
endpoint 0 IRQs) misses this change to blackfin.c: stop faking successful
result of blackfin_interrupt() and emitting a debug message on an unhandled
interrupt.
Signed-off-by: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* master.kernel.org:/home/rmk/linux-2.6-arm:
ARM: 6061/1: PL061 GPIO: Bug fix - setting gpio for HIGH_LEVEL interrupt is not working.
ARM: 5957/1: ARM: RealView SD/MMC Card detection and write-protect using GPIOLIB
ARM: 6030/1: KS8695: enable console
ARM: 6060/1: PL061 GPIO: Setting gpio val after changing direction to OUT.
ARM: 6059/1: PL061 GPIO: Changing *_irq_chip_data with *_irq_data for real irqs.
ARM: 6023/1: update bcmring_defconfig to latest version and fix build error
ARM: fix build error in arch/arm/kernel/process.c
In current implementation of PL061, setting type of irq to HIGH_LEVEL is not
working. This patch fixes this bug.
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
The pktcdvd driver uses proper locking and does not need the BKL in the
ioctl and llseek functions of the character device, so kill both.
Moving the compat_ioctl handling from common code into the driver itself
fixes build problems when CONFIG_BLOCK is disabled.
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
sfc: Change falcon_probe_board() to fail for unsupported boards
sfc: Always close net device at the end of a disabling reset
sfc: Wait at most 10ms for the MC to finish reading out MAC statistics
sctp: Fix oops when sending queued ASCONF chunks
sctp: fix to calc the INIT/INIT-ACK chunk length correctly is set
sctp: per_cpu variables should be in bh_disabled section
sctp: fix potential reference of a freed pointer
sctp: avoid irq lock inversion while call sk->sk_data_ready()
Revert "tcp: bind() fix when many ports are bound"
net/usb: add sierra_net.c driver
cdc_ether: fix autosuspend for mbm devices
bluetooth: handle l2cap_create_connless_pdu() errors
gianfar: Wait for both RX and TX to stop
ipheth: potential null dereferences on error path
smc91c92_cs: spin_unlock_irqrestore before calling smc_interrupt()
drivers/usb/net/kaweth.c: add device "Allied Telesyn AT-USB10 USB Ethernet Adapter"
bnx2: Update version to 2.0.9.
bnx2: Prevent "scheduling while atomic" warning with cnic, bonding and vlan.
bnx2: Fix lost MSI-X problem on 5709 NICs.
cxgb3: Wait longer for control packets on initialization
...
The driver needs specific PHY and board support code for each SFC4000
board; there is no point trying to continue if it is missing.
Currently unsupported boards can trigger an 'oops'.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This fixes a regression introduced by commit
eb9f6744cbfa97674c13263802259b5aa0034594 "sfc: Implement ethtool
reset operation".
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
The original code would wait indefinitely if MAC stats DMA failed.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
coda: move backing-dev.h kernel include inside __KERNEL__
mtd: ensure that bdi entries are properly initialized and registered
Move mtd_bdi_*mappable to mtdcore.c
btrfs: convert to using bdi_setup_and_register()
Catch filesystems lacking s_bdi
drbd: Terminate a connection early if sending the protocol fails
drbd: fix memory leak
Fix JFFS2 sync silent failure
smbfs: add bdi backing to mount session
ncpfs: add bdi backing to mount session
exofs: add bdi backing to mount session
ecryptfs: add bdi backing to mount session
coda: add bdi backing to mount session
cifs: add bdi backing to mount session
afs: add bdi backing to mount session.
9p: add bdi backing to mount session
bdi: add helper function for doing init and register of a bdi for a file system
block: ensure jiffies wrap is handled correctly in blk_rq_timed_out_timer
Fix regulator enabling issue that is caused by typo error in is_enabled().
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This ensures that the translations for unmapped IO mappings or
unmapped memory are properly removed from the MMU hash table
before such an unplug. Without this, the hypervisor refuses the
unplug operations due to those resources still being mapped by
the partition.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Re-submitted based on comments from netdev community.
Summary of the changes:
1. Improved error handling.
2. Added the missing timeout arguments to usb_control_msg().
The following is a new Linux driver which exposes certain models of Sierra
Wireless modems to the operating system as Network Interface Cards (NICs).
This driver requires a version of the sierra.c driver which supports
blacklisting to work properly. The blacklist in sierra.c rejects the interfaces
claimed by sierra_net.c. Likewise, the sierra_net.c driver only accepts
(i.e. whitelists) the interface(s) used for USB-to-WWAN traffic.
The version of sierra.c which supports blacklisting is
available from the sierra wireless knowledge base page for older kernels. It is
also available in Linux kernel starting from version 2.6.31.
This driver works with all Sierra Wireless devices configured with PID=68A3
like USB305, USB306 provided the corresponding firmware version is I2.0
(for USB305) or M3.0 (for USB306) and later.
This driver will not work with earlier firmware versions than the ones shown
above. In this case the driver will issue an error message indicating
incompatibility and will not serve the device's USB-to-WWAN interface.
Sierra_net.c sits atop a pre-existing Linux driver called usbnet.c.
A series of hook functions are provided in sierra_net.c which are called by
usbnet.c in response to a particular condition such as receipt or transmission
of a data packet. As such, usbnet.c does most of the work of making
a modem appear to the system as a network device and for properly exchanging
traffic between the USB subsystem and the Network card interface.
Sierra_net.c is concerned with managing the data exchanged between the
USB-to-WWAN interface and the upper layers of the operating system.
Signed-off-by: Elina Pasheva <epasheva@sierrawireless.com>
Signed-off-by: Rory Filer <rfiler@sierrawireless.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Autosuspend works until you bring the wwan interface up, then the
device does not enter autosuspend anymore.
The following patch fixes the problem by setting the .manage_power
field in the mbm_info struct to the same as in the cdc_info struct
(cdc_manager_power).
Signed-off-by: Torgny Johansson <torgny.johansson@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When gracefully stopping the controller, the driver was continuing if
*either* RX or TX had stopped. We need to wait for both, or the
controller could get into an invalid state.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bill Gatliff reported the following bug when using the irq_chip facility
of the pca953x driver on a PPC platform:
BUG: scheduling while atomic: insmod/1530/0x00000002
He traced it back to an i2c transaction in pca953x_irq_set_type(), which
can be called with interrupt disabled (from __setup_irq()). As the i2c
controller can sleep while sending a message, this qualifies as a bad
idea.
This patch moves the i2c transaction to pca953x_irq_bus_sync_unlock(),
where it is actually safe to send an i2c message.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Marc Zyngier <maz@misterjones.org>
Reported-by: Bill Gatliff <bgat@billgatliff.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The calls to usb_free_buffer() dereference rx_urb and tx_urb in the
parameter list but those could be NULL.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: L. Alberto Giménez <agimenez@sysvalve.es>
Signed-off-by: David S. Miller <davem@davemloft.net>
smc91c92_cs:
* spin_unlock_irqrestore before calling smc_interrupt() in media_check()
to avoid lockup.
* use spin_lock_irqsave for ethtool function.
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
The bonding driver calls ndo_vlan_rx_register() while holding bond->lock.
The bnx2 driver calls bnx2_netif_stop() to stop the rx handling while
changing the vlgrp. The call also stops the cnic driver which sleeps
while the bond->lock is held and cause the warning.
This code path only needs to stop the NAPI rx handling while we are
changing the vlgrp. Since no reset is going to occur, there is no need
to stop cnic in this case. By adding a parameter to bnx2_netif_stop()
to skip stopping cnic, we can avoid the warning.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It has been reported that under certain heavy traffic conditions in MSI-X
mode, the driver can lose an MSI-X vector causing all packets in the
associated rx/tx ring pair to be dropped. The problem is caused by
the chip dropping the write to unmask the MSI-X vector by the kernel
(when migrating the IRQ for example).
This can be prevented by increasing the GRC timeout value for these
register read and write operations.
Thanks to Dell for helping us debug this problem.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In some Power7 platforms, when using VIOS (Virtual I/O Server), we
need to wait longer for control packets to finish transfer during
initialization.
Without this change, initialization may fail prematurely.
Signed-off-by: Wen Xiong <wenxiong@us.ibm.com>
Signed-off-by: Andre Detsch <adetsch@br.ibm.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Prompted by a previous patch submitted by Matthew Garret <mjg@redhat.com>,
further digging into errata documentation reveals the current enabling or
disabling of ASPM L0s and L1 states for certain parts supported by this
driver are incorrect. 82571 and 82572 should always disable L1. For
standard frames, 82573/82574/82583 can enable L1 but L0s must be disabled,
and for jumbo frames 82573/82574 must disable L1. This allows for some
parts to enable L1 in certain configurations leading to better power
savings.
Also according to the same errata, Early Receive (ERT) should be disabled
on 82573 when using jumbo frames.
Cc: Matthew Garret <mjg@redhat.com>
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The PHY laser is still on during driver init. It's allowing
garbage to hit our FIFO, which eventually can cause the entire
device to die. Power down the laser while setting up the device,
and re-enable the laser before getting link.
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
