Here's the big USB pull request for 3.15-rc1.
The normal set of patches, lots of controller driver updates, and a
smattering of individual USB driver updates as well.
All have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big USB pull request for 3.15-rc1.
The normal set of patches, lots of controller driver updates, and a
smattering of individual USB driver updates as well.
All have been in linux-next for a while"
* tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (249 commits)
xhci: Transition maintainership to Mathias Nyman.
USB: disable reset-resume when USB_QUIRK_RESET is set
USB: unbind all interfaces before rebinding any
usb: phy: Add ulpi IDs for SMSC USB3320 and TI TUSB1210
usb: gadget: tcm_usb_gadget: stop format strings
usb: gadget: f_fs: add missing spinlock and mutex unlock
usb: gadget: composite: switch over to ERR_CAST()
usb: gadget: inode: switch over to memdup_user()
usb: gadget: f_subset: switch over to PTR_RET
usb: gadget: lpc32xx_udc: fix wrong clk_put() sequence
USB: keyspan: remove dead debugging code
USB: serial: add missing newlines to dev_<level> messages.
USB: serial: add missing braces
USB: serial: continue to write on errors
USB: serial: continue to read on errors
USB: serial: make bulk_out_size a lower limit
USB: cypress_m8: fix potential scheduling while atomic
devicetree: bindings: document lsi,zevio-usb
usb: chipidea: add support for USB OTG controller on LSI Zevio SoCs
usb: chipidea: imx: Use dev_name() for ci_hdrc name to distinguish USBs
...
Here's the big tty/serial driver update for 3.15-rc1.
Nothing major, a number of serial driver updates and a few tty core
fixes as well.
All have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver update from Greg KH:
"Here's the big tty/serial driver update for 3.15-rc1.
Nothing major, a number of serial driver updates and a few tty core
fixes as well.
All have been in linux-next for a while"
* tag 'tty-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (71 commits)
tty/serial: omap: empty the RX FIFO at the end of half-duplex TX
tty/serial: omap: fix RX interrupt enable/disable in half-duplex TX
serial: sh-sci: Neaten dev_<level> uses
serial: sh-sci: Replace hardcoded 3 by UART_PM_STATE_OFF
serial: sh-sci: Add more register documentation
serial: sh-sci: Remove useless casts
serial: sh-sci: Replace printk() by pr_*()
serial_core: Avoid NULL pointer dereference in uart_close()
serial_core: Get a reference for port->tty in uart_remove_one_port()
serial: clps711x: Give a chance to perform useful tasks during wait loop
serial_core: Grammar s/ports/port's/
serial_core: Spelling s/contro/control/
serial: efm32: properly namespace location property
serial: max310x: Add missing #include <linux/uaccess.h>
synclink: fix info leak in ioctl
serial: 8250: Clean up the locking for -rt
serial: 8250_pci: change BayTrail default uartclk
serial: 8250_pci: more BayTrail error-free bauds
serial: sh-sci: Add missing call to uart_remove_one_port() in failure path
serial_core: Unregister console in uart_remove_one_port()
...
Here's the huge drivers/staging/ update for 3.15-rc1.
Loads of cleanup fixes, a few drivers removed, and some new ones added.
All have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here's the huge drivers/staging/ update for 3.15-rc1.
Loads of cleanup fixes, a few drivers removed, and some new ones
added.
All have been in linux-next for a while"
* tag 'staging-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1375 commits)
staging: xillybus: XILLYBUS_PCIE depends on PCI_MSI
staging: xillybus: Added "select CRC32" for XILLYBUS in Kconfig
staging: comedi: poc: remove obsolete driver
staging: unisys: replace kzalloc/kfree with UISMALLOC/UISFREE
staging: octeon-usb: prevent memory corruption
staging: usbip: fix line over 80 characters
staging: usbip: fix quoted string split across lines
Staging: unisys: Remove RETINT macro
Staging: unisys: Remove FAIL macro
Staging: unisys: Remove RETVOID macro
Staging: unisys: Remove RETPTR macro
Staging: unisys: Remove RETBOOL macro
Staging: unisys: Remove FAIL_WPOSTCODE_1 macro
Staging: unisys: Cleanup macros to get rid of goto statements
Staging: unisys: include: Remove unused macros from timskmod.h
staging: dgap: fix the rest of the checkpatch warnings in dgap.c
Staging: bcm: Remove unnecessary parentheses
staging: wlags49_h2: Delete unnecessary braces
staging: wlags49_h2: Do not use assignment in if condition
staging: wlags49_h2: Enclose macro in a do-while loop
...
Here's the big char/misc driver updates for 3.15-rc1.
Lots of various things here, including the new mcb driver subsystem.
All of these have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver patches from Greg KH:
"Here's the big char/misc driver updates for 3.15-rc1.
Lots of various things here, including the new mcb driver subsystem.
All of these have been in linux-next for a while"
* tag 'char-misc-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (118 commits)
extcon: Move OF helper function to extcon core and change function name
extcon: of: Remove unnecessary function call by using the name of device_node
extcon: gpio: Use SIMPLE_DEV_PM_OPS macro
extcon: palmas: Use SIMPLE_DEV_PM_OPS macro
mei: don't use deprecated DEFINE_PCI_DEVICE_TABLE macro
mei: amthif: fix checkpatch error
mei: client.h fix checkpatch errors
mei: use cl_dbg where appropriate
mei: fix Unnecessary space after function pointer name
mei: report consistently copy_from/to_user failures
mei: drop pr_fmt macros
mei: make me hw headers private to me hw.
mei: fix memory leak of pending write cb objects
mei: me: do not reset when less than expected data is received
drivers: mcb: Fix build error discovered by 0-day bot
cs5535-mfgpt: Simplify dependencies
spmi: pm: drop bus-level PM suspend/resume routines
spmi: pmic_arb: make selectable on ARCH_QCOM
Drivers: hv: vmbus: Increase the limit on the number of pfns we can handle
pch_phub: Report error writing MAC back to user
...
There have been lots of changes in ALSA core, HD-audio and ASoC, also
most of PCI drivers touched by conversions of printks. All these
resulted in a high volume and wide ranged patch sets in this release.
Many changes are fairly trivial, but also lots of nice cleanups and
refactors. There are a few new drivers, most notably, the Intel
Haswell and Baytrail ASoC driver.
Core changes:
- A bit modernization; embed the device struct into snd_card struct,
so that it may be referred from the beginning. A new snd_card_new()
function is introduced for that, and all drivers have been
converted.
- Simplification in the device management code in ALSA core;
now managed by a simple priority list instead
- Converted many kernel messages to use the standard dev_err() & co;
this would be the pretty visible difference, especially for
HD-audio.
HD-audio:
- Conexant codecs use the auto-parser as default now;
the old static code still remains in case of regressions.
Some old quirks have been rewritten with the fixups for auto-parser.
- C-Media codecs also use the auto-parser as default now, too.
- A device struct is assigned to each HD-audio codec, and the formerly
hwdep attributes are accessible over the codec sysfs, too.
hwdep attributes still remain for compatibility.
- Split the PCI-specific stuff for HD-audio controller into a separate
module, ane make a helper module for the generic controller driver.
This is a preliminary change for supporting Tegra HDMI controller in
near future, which slipped from 3.15 merge.
- Device-specific fixes: mute LED support for Lenovo Ideapad,
mic LED fix for HP laptops, more ASUS subwoofer quirks, yet more
Dell laptop headset quirks
- Make the HD-audio codec response a bit more robust
- A few improvements on Realtek ALC282 / 283 about the pop noises
- A couple of Intel HDMI fixes
ASoC:
- Lots of cleanups for enumerations; refactored lots of error prone
original codes to use more modern APIs
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle
- Provide both manually and transparently locked DAPM APIs rather than
a mix of the two fixing some concurrency issues
- Start converting CODEC drivers to use separate bus interface drivers
rather than having them all in one file helping avoid dependency
issues
- DPCM support for Intel Haswell and Bay Trail platforms, lots of
fixes
- Lots of work on improvements for simple-card, DaVinci and the Renesas
rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of the
CSR SiRF SoC, TLV320AIC31XXX, Armada 370 DB, Cirrus cs42xx8
- Fixes for the simple-card DAI format DT mess
- DT support for a couple more devices.
- Use of the tdm_slot mapping in a few drivers
Others:
- Support of reset_resume callback for improved S4 in USB-audio driver;
the device with boot quirks have been little tested, which we need
to watch out in this development cycle
- Add PM support for ICE1712 driver (finally!);
it's still pretty partial support, only for M-Audio devices
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Merge tag 'sound-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"There have been lots of changes in ALSA core, HD-audio and ASoC, also
most of PCI drivers touched by conversions of printks. All these
resulted in a high volume and wide ranged patch sets in this release.
Many changes are fairly trivial, but also lots of nice cleanups and
refactors. There are a few new drivers, most notably, the Intel
Haswell and Baytrail ASoC driver.
Core changes:
- A bit modernization; embed the device struct into snd_card struct,
so that it may be referred from the beginning. A new
snd_card_new() function is introduced for that, and all drivers
have been converted.
- Simplification in the device management code in ALSA core; now
managed by a simple priority list instead
- Converted many kernel messages to use the standard dev_err() & co;
this would be the pretty visible difference, especially for
HD-audio.
HD-audio:
- Conexant codecs use the auto-parser as default now; the old static
code still remains in case of regressions. Some old quirks have
been rewritten with the fixups for auto-parser.
- C-Media codecs also use the auto-parser as default now, too.
- A device struct is assigned to each HD-audio codec, and the
formerly hwdep attributes are accessible over the codec sysfs, too.
hwdep attributes still remain for compatibility.
- Split the PCI-specific stuff for HD-audio controller into a
separate module, ane make a helper module for the generic
controller driver. This is a preliminary change for supporting
Tegra HDMI controller in near future, which slipped from 3.15
merge.
- Device-specific fixes: mute LED support for Lenovo Ideapad, mic LED
fix for HP laptops, more ASUS subwoofer quirks, yet more Dell
laptop headset quirks
- Make the HD-audio codec response a bit more robust
- A few improvements on Realtek ALC282 / 283 about the pop noises
- A couple of Intel HDMI fixes
ASoC:
- Lots of cleanups for enumerations; refactored lots of error prone
original codes to use more modern APIs
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle
- Provide both manually and transparently locked DAPM APIs rather
than a mix of the two fixing some concurrency issues
- Start converting CODEC drivers to use separate bus interface
drivers rather than having them all in one file helping avoid
dependency issues
- DPCM support for Intel Haswell and Bay Trail platforms, lots of
fixes
- Lots of work on improvements for simple-card, DaVinci and the
Renesas rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of
the CSR SiRF SoC, TLV320AIC31XXX, Armada 370 DB, Cirrus cs42xx8
- Fixes for the simple-card DAI format DT mess
- DT support for a couple more devices.
- Use of the tdm_slot mapping in a few drivers
Others:
- Support of reset_resume callback for improved S4 in USB-audio
driver; the device with boot quirks have been little tested, which
we need to watch out in this development cycle
- Add PM support for ICE1712 driver (finally!); it's still pretty
partial support, only for M-Audio devices"
* tag 'sound-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (610 commits)
ALSA: ice1712: Add suspend support for M-Audio ICE1712-based cards
ALSA: ice1712: add suspend support for ICE1712 chip
ALSA: hda - Enable beep for ASUS 1015E
ALSA: asihpi: fix some indenting in snd_card_asihpi_pcm_new()
ALSA: hda - add headset mic detect quirks for three Dell laptops
ASoC: tegra: move AC97 clock handling to the machine driver
ASoC: simple-card: Handle many DAI links
ASoC: simple-card: Add DT documentation for multi-DAI links
ASoC: simple-card: dynamically allocate the DAI link and properties
ASoC: imx-ssi: Add .xlate_tdm_slot_mask() support.
ASoC: fsl-esai: Add .xlate_tdm_slot_mask() support.
ASoC: fsl-utils: Add fsl_asoc_xlate_tdm_slot_mask() support.
ASoC: core: remove the 'of_' prefix of of_xlate_tdm_slot_mask.
ASoC: rcar: subnode tidyup for renesas,rsnd.txt
ASoC: Remove name_prefix unset during DAI link init hack
ALSA: hda - Inform the unexpectedly ignored pins by auto-parser
ASoC: rcar: bugfix: it cares about the non-src case
ARM: bockw: fixup SND_SOC_DAIFMT_CBx_CFx flags
ASoC: pcm: Drop incorrect double/extra frees
ASoC: mfld_machine: Fix compile error
...
Pull workqueue changes from Tejun Heo:
"PREPARE_[DELAYED_]WORK() were used to change the work function of work
items without fully reinitializing it; however, this makes workqueue
consider the work item as a different one from before and allows the
work item to start executing before the previous instance is finished
which can lead to extremely subtle issues which are painful to debug.
The interface has never been popular. This pull request contains
patches to remove existing usages and kill the interface. As one of
the changes was routed during the last devel cycle and another
depended on a pending change in nvme, for-3.15 contains a couple merge
commits.
In addition, interfaces which were deprecated quite a while ago -
__cancel_delayed_work() and WQ_NON_REENTRANT - are removed too"
* 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: remove deprecated WQ_NON_REENTRANT
workqueue: Spelling s/instensive/intensive/
workqueue: remove PREPARE_[DELAYED_]WORK()
staging/fwserial: don't use PREPARE_WORK
afs: don't use PREPARE_WORK
nvme: don't use PREPARE_WORK
usb: don't use PREPARE_DELAYED_WORK
floppy: don't use PREPARE_[DELAYED_]WORK
ps3-vuart: don't use PREPARE_WORK
wireless/rt2x00: don't use PREPARE_WORK in rt2800usb.c
workqueue: Remove deprecated __cancel_delayed_work()
The USB_QUIRK_RESET flag indicates that a USB device changes its
identity in some way when it is reset. It may lose its firmware, its
descriptors may change, or it may switch back to a default mode of
operation.
If a device does this, the kernel needs to avoid resetting it. Resets
are likely to fail, or worse, succeed while changing the device's
state in a way the system can't detect.
This means we should disable the reset-resume mechanism whenever this
quirk flag is present. An attempted reset-resume will fail, the
device will be logically disconnected, and later on the hub driver
will rediscover and re-enumerate the device. This will cause the
appropriate udev events to be generated, so that userspace will have a
chance to switch the device into its normal operating mode, if
necessary.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Oliver Neukum <oliver@neukum.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch move simply OF helper function to extcon core and change function
name as following:
- of_extcon_get_extcon_dev() -> extcon_get_edev_by_phandle()
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Felipe Balbi <balbi@ti.com>
When a driver doesn't have pre_reset, post_reset, or reset_resume
methods, the USB core unbinds that driver when its device undergoes a
reset or a reset-resume, and then rebinds it afterward.
The existing straightforward implementation can lead to problems,
because each interface gets unbound and rebound before the next
interface is handled. If a driver claims additional interfaces, the
claim may fail because the old binding instance may still own the
additional interface when the new instance tries to claim it.
This patch fixes the problem by first unbinding all the interfaces
that are marked (i.e., their needs_binding flag is set) and then
rebinding all of them.
The patch also makes the helper functions in driver.c a little more
uniform and adjusts some out-of-date comments.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: "Poulain, Loic" <loic.poulain@intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add new ulpi IDs which are available on Xilinx Zynq boards.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This makes sure that the name coming out of configfs cannot be used
accidentally as a format string.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds missing spin_unlock and mutex_unlock calls in
error handling code.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the following Coccinelle warning:
drivers/usb/gadget/composite.c:1142:9-16: WARNING: \
ERR_CAST can be used with uc
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the following Coccinelle warning:
drivers/usb/gadget/inode.c:442:8-15: WARNING \
opportunity for memdup_user
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
this patch fixes the following Coccinelle warning:
drivers/usb/gadget/f_subset.c:279:8-14: WARNING: \
PTR_RET can be used
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes the following Coccinelle error:
drivers/usb/gadget/lpc32xx_udc.c:3313:1-7: ERROR: \
missing clk_put; clk_get on line 3139 and \
execution via conditional on line 3146
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This resolves a merge issue with drivers/staging/cxt1e1/linux.c that was
fixed in a report from Stephen Rothwell
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Quite a busy release for ASoC this time, more on janitorial work than
exciting new features but welcome nontheless:
- Lots of cleanups from Takashi for enumerations; the original API for
these was error prone so he's refactored lots of code to use more
modern APIs which avoid issues.
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle.
- Provide both manually and transparently locked DAPM APIs rather than
a mix of the two fixing some concurrency issues.
- Start converting CODEC drivers to use separate bus interface drivers
rather than having them all in one file helping avoid dependency
issues.
- DPCM support for Intel Haswell and Bay Trail platforms.
- Lots of work on improvements for simple-card, DaVinci and the Renesas
rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of the
CSR SiRF SoC.
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Merge tag 'asoc-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.15
Quite a busy release for ASoC this time, more on janitorial work than
exciting new features but welcome nontheless:
- Lots of cleanups from Takashi for enumerations; the original API for
these was error prone so he's refactored lots of code to use more
modern APIs which avoid issues.
- Elimination of the ASoC level wrappers for I2C and SPI moving us
closer to converting to regmap completely and avoiding some
randconfig hassle.
- Provide both manually and transparently locked DAPM APIs rather than
a mix of the two fixing some concurrency issues.
- Start converting CODEC drivers to use separate bus interface drivers
rather than having them all in one file helping avoid dependency
issues.
- DPCM support for Intel Haswell and Bay Trail platforms.
- Lots of work on improvements for simple-card, DaVinci and the Renesas
rcar drivers.
- New drivers for Analog Devices ADAU1977, TI PCM512x and parts of the
CSR SiRF SoC.
Add missing newlines to dev_<level> messages.
Also make some messages less verbose where appropriate.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Add missing braces to conditional branches and one loop in usb-serial
core and generic implementation.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Do not discard buffered data and make sure to try to resubmit the write
urbs on errors.
Currently a recoverable error would lead to more data than necessary
being dropped.
Also upgrade error messages from debug to error log level.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Make sure to try to resubmit the read urb on errors.
Currently a recoverable error would lead to reduced throughput as only
one urb will be used until the port is closed and reopened (or
resumed or unthrottled).
Also upgrade error messages from debug to error log level.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Drivers are allowed to override the default bulk-out buffer size
(endpoint maximum packet size) in order to increase throughput, but it
does not make much sense to allow buffers smaller than the default.
Note that this is already how bulk_in_size is defined.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Remove erroneous call to usb_clear_halt which is blocking and cannot be
used in interrupt context.
This code has possibly never been executed as it would cause an oops if
it was. Simply treat a stalled-endpoint error as any other error
condition.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
The USB controller in TI-NSPIRE calculators (LSI Zevio SoC) are based off either
Freescale's USB OTG controller or the USB controller found in the IMX233, both
of which are Chipidea compatible.
This patch adds a device tree binding for the controller.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Daniel Tang <dt.tangr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use dev_name() for ci_hdrc name to distinguish USBs
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Matthieu CASTET and Michael Grzeschik mentioned isr_tr_complete_handler
is a bit messy at below:
http://marc.info/?l=linux-usb&m=139047775001152&w=2
This commit creates a new function isr_setup_packet_handler to handle
setup packet, it makes isr_tr_complete_handler easy to read.
This is no functional change at this commit, tested with g_mass_storage
and g_ether.
Cc: Michael Grzeschik <mgr@pengutronix.de>
Cc: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since it is needed outside usbcore and exposed in include/linux/usb.h,
it conflicts with enum dev_state in rt2x00 wireless driver.
Mark it as usb specific to avoid conflicts in the future.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
and a multi-purpose PHY in APM, all adapted to generic PHY framework.
Adapted USB3 PHY driver in OMAP to generic PHY driver and also used
the same driver for SATA in OMAP. It also includes miscellaneous cleanups
and fixes.
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Merge tag 'for_3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next
Kishon writes:
Add new PHY drivers for SATA and USB in exynos, for USB in sunxi,
and a multi-purpose PHY in APM, all adapted to generic PHY framework.
Adapted USB3 PHY driver in OMAP to generic PHY driver and also used
the same driver for SATA in OMAP. It also includes miscellaneous cleanups
and fixes.
Rename struct omap_control_usb to struct omap_control_phy since it can
be used to control PHY of USB, SATA and PCIE. Also move the driver and
include files under *phy* and made the corresponding changes in the users
of phy-omap-control.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
A device should not be able to be used concurrently both by
the server and the client. Claiming the port used by the
shared device ensures no interface drivers bind to it and
that it is not usable from the server.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Submit multiple concurrent urbs for HWA isochronous transfer result data
frame reads. This keeps the read pipeline full and significantly
improves performance in cases where the frame reads cannot be combined
because they are not contiguous or multiples of the max packet size.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When reading the transfer result data for an isochronous in request, if
the current frame actual_length is contiguous with the next frame and
actual_length is a multiple of the DTI endpoint max packet size, combine
the current frame with the next frame in a single URB. This reduces the
number of URBs that must be submitted in that case which increases
performance and reduces CPU interrupt overhead.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
another substantial pull request with new features all over
the place.
dwc3 got a bit closer towards hibernation support with after
a few patches re-factoring code to be reused for hibernation.
Also in dwc3 two new workarounds for known silicon bugs have
been implemented, some randconfig build errors have been fixed,
and it was taught about the new generic phy layer.
MUSB on AM335x now supports isochronous transfers thanks to
George Cherian's work.
The atmel_usba driver got two crash fixes: one when no endpoint
was specified in DeviceTree data and another when stopping the UDC
in DEBUG builds.
Function FS got a much needed fix to ffs_epfile_io() which was
copying too much data to userspace in some cases.
The printer gadget got a fix for a possible deadlock and plugged
a memory leak.
Ethernet drivers now use NAPI for RX which gives improved throughput.
Other than that, the usual miscelaneous fixes, cleanups, and
the like.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v3.15
another substantial pull request with new features all over
the place.
dwc3 got a bit closer towards hibernation support with after
a few patches re-factoring code to be reused for hibernation.
Also in dwc3 two new workarounds for known silicon bugs have
been implemented, some randconfig build errors have been fixed,
and it was taught about the new generic phy layer.
MUSB on AM335x now supports isochronous transfers thanks to
George Cherian's work.
The atmel_usba driver got two crash fixes: one when no endpoint
was specified in DeviceTree data and another when stopping the UDC
in DEBUG builds.
Function FS got a much needed fix to ffs_epfile_io() which was
copying too much data to userspace in some cases.
The printer gadget got a fix for a possible deadlock and plugged
a memory leak.
Ethernet drivers now use NAPI for RX which gives improved throughput.
Other than that, the usual miscelaneous fixes, cleanups, and
the like.
Signed-of-by: Felipe Balbi <balbi@ti.com>
Hi Greg,
Here's 76 patches to queue to usb-next for 3.15.
The bulk of this rather large pull request is the UAS driver cleanup, the
xHCI streams fixes, and the new userspace API for usbfs to be able to use
and alloc/free bulk streams. I've hammered on these changes, and the UAS
driver seems solid. The performance numbers are pretty spiffy too:
root@xanatos:~# echo 3 > /proc/sys/vm/drop_caches; dd if=/dev/sdb of=/dev/null bs=4k count=1000M iflag=count_bytes
256000+0 records in
256000+0 records out
1048576000 bytes (1.0 GB) copied, 3.28557 s, 319 MB/s
That's about 100 MB/s faster than my fastest Bulk-only-Transport mass
storage drive.
There's a couple of miscellaneous cleanup patches and non-urgent bug fixes
in here as well:
7969943789 xhci: add the meaningful IRQ description if it is empty
bcffae7708 xhci: Prevent runtime pm from autosuspending during initialization
e587b8b270 xhci: make warnings greppable
25cd2882e2 usb/xhci: Change how we indicate a host supports Link PM.
Sarah Sharp
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Merge tag 'for-usb-next-2014-03-06' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-next
Sarah writes:
xhci: Streams and UAS cleanups, misc cleanups for 3.15
Hi Greg,
Here's 76 patches to queue to usb-next for 3.15.
The bulk of this rather large pull request is the UAS driver cleanup, the
xHCI streams fixes, and the new userspace API for usbfs to be able to use
and alloc/free bulk streams. I've hammered on these changes, and the UAS
driver seems solid. The performance numbers are pretty spiffy too:
root@xanatos:~# echo 3 > /proc/sys/vm/drop_caches; dd if=/dev/sdb of=/dev/null bs=4k count=1000M iflag=count_bytes
256000+0 records in
256000+0 records out
1048576000 bytes (1.0 GB) copied, 3.28557 s, 319 MB/s
That's about 100 MB/s faster than my fastest Bulk-only-Transport mass
storage drive.
There's a couple of miscellaneous cleanup patches and non-urgent bug fixes
in here as well:
7969943789 xhci: add the meaningful IRQ description if it is empty
bcffae7708 xhci: Prevent runtime pm from autosuspending during initialization
e587b8b270 xhci: make warnings greppable
25cd2882e2 usb/xhci: Change how we indicate a host supports Link PM.
Sarah Sharp
The HWA driver does not do anything with transfer notifications after
receiving the first one and the Alereon HWA allows them to be disabled
as a performance optimization. This patch sends a vendor specific
command to the Alereon HWA on startup to disable transfer notifications.
If the command is successful, the DTI system is started immediately
since that would normally be started upon the first reception of a
transfer notification which will no longer be sent.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Data for transfer segments in the WA_SEG_DTI_PENDING state is actively
being read by the driver. Let the buffer read callback handle the
transfer cleanup since cleaning it up in wa_urb_dequeue will cause the
read callback to access invalid memory if the transfer is completed.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch locks rpipe->seg_lock around the entire transfer segment
cleanup loop in wa_urb_dequeue instead of just one case of the switch
statement. This fixes a race between __wa_xfer_delayed_run and
wa_urb_dequeue where a transfer segment in the WA_SEG_DELAYED state
could be removed from the rpipe seg_list twice leading to memory
corruption. It also switches the spin_lock call to use the non-irqsave
version since the xfer->lock is already held and irqs already disabled.
Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit 247bf55727.
This commit, together with commit 3804fad454
"USBNET: ax88179_178a: enable tso if usb host supports sg dma" were
origially added to get xHCI 1.0 hosts and usb ethernet ax88179_178a devices
working together with scatter gather. xHCI 1.0 hosts pose some requirement on how transfer
buffers are aligned, setting this requirement for 1.0 hosts caused USB 3.0 mass
storage devices to fail more frequently.
USB 3.0 mass storage devices used to work before 3.14-rc1. Theoretically,
the TD fragment rules could have caused an occasional disk glitch.
Now the devices *will* fail, instead of theoretically failing.
>From a user perspective, this looks like a regression; the USB device obviously
fails on 3.14-rc1, and may sometimes silently fail on prior kernels.
The proper soluition is to implement the TD fragment rules required, but for now
this patch needs to be reverted to get USB 3.0 mass storage devices working at the
level they used to.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The DELAY_INIT quirk only reduces the frequency of enumeration failures
with the Logitech HD Pro C920 and C930e webcams, but does not quite
eliminate them. We have found that adding a delay of 100ms between the
first and second Get Configuration request makes the device enumerate
perfectly reliable even after several weeks of extensive testing. The
reasons for that are anyone's guess, but since the DELAY_INIT quirk
already delays enumeration by a whole second, wating for another 10th of
that isn't really a big deal for the one other device that uses it, and
it will resolve the problems with these webcams.
Signed-off-by: Julius Werner <jwerner@chromium.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We've encountered a rare issue when enumerating two Logitech webcams
after a reboot that doesn't power cycle the USB ports. They are spewing
random data (possibly some leftover UVC buffers) on the second
(full-sized) Get Configuration request of the enumeration phase. Since
the data is random this can potentially cause all kinds of odd behavior,
and since it occasionally happens multiple times (after the kernel
issues another reset due to the garbled configuration descriptor), it is
not always recoverable. Set the USB_DELAY_INIT quirk that seems to work
around the issue.
Signed-off-by: Julius Werner <jwerner@chromium.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
No functional change. Moved omap_usb.h from linux/usb/ to linux/phy/.
Also removed the unused members of struct omap_usb (after phy-omap-pipe3
started using it's own header file)
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
When the request length is aligned to maxpacketsize, sometimes
the return length ret > the user space requested len.
At that time, we will use min_t(size_t, ret, len) to limit the
size in case of user data buffer overflow.
But we need return the min_t(size_t, ret, len) to tell the user
space rightly also.
[ balbi@ti.com: also fix comment's indentation ]
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Reviewed-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Chuansheng Liu <chuansheng.liu@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
According to:"On-The-Go and Embedded Host Supplement to the USB Revision 2.0
Specification July 27, 2012 Revision 2.0 version 1.1a"
- From a_host to a_wait_bcon if !b_conn
- Add transition from a_host to a_wait_vfall if id state is high or a_bus_drop
- From a_wait_vfall to a_idle if a_wait_vfall_tmout
Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
In order to reduce the interrupt times in the embedded system,
a receiving workqueue is introduced.
This modification also enhanced the overall throughput as the
benefits of reducing interrupt occurrence.
This work was derived from previous work:
u_ether: move hardware transmit to RX workqueue.
Which should be base on codeaurora's work.
However, the benchmark on my platform shows the throughput
with workqueue is slightly better than NAPI.
Signed-off-by: Weinn Jheng <clanlab.proj@gmail.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: David S. Miller <davem@davemloft.net>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
We know what "value" is and it upsets static checkers that we appear to
have doubts about it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
These were cut and paste from the ->disconnect function.
Fixes commit 30d577b9bcc4 ('usb: dwc3: gadget: call gadget driver's
->suspend/->resume')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Linus Torvalds