not all UDC drivers need a proper release function,
for those which don't need it, we udc-core will provide
a no-op release method so we can remove "redefinition"
of such methods in almost every UDC driver.
Signed-off-by: Felipe Balbi <balbi@ti.com>
if we initialize gadget->dev.driver ourselves,
UDC drivers won't have to do the same, so we
can remove some duplicated code.
Signed-off-by: Felipe Balbi <balbi@ti.com>
if udc-core always does it, we can delete
some extra lines from all UDC drivers. Besides,
it avoids mistakes from happening and propagating.
Signed-off-by: Felipe Balbi <balbi@ti.com>
gadget's device pointer now is guaranteed to
have valid dma_mask, dma_parms and coherent_dma_mask
fields since we're always copying from our
parent device.
Signed-off-by: Felipe Balbi <balbi@ti.com>
This driver can compile in any arch quite
easily by just removing a few headers and
dropping cpu_is_* check from module_init.
Signed-off-by: Felipe Balbi <balbi@ti.com>
when commit 388e5c5 (usb: dwc3: remove dwc3
dependency on host AND gadget.) changed the
way debugfs files are created, it failed to
note that 'mode' is necessary in Dual Role
mode only while 'testmode' and 'link_state'
are valid in Dual Role and Peripheral-only
builds. Fix this while also converting pre-
processor conditional to C conditionals.
Signed-off-by: Felipe Balbi <balbi@ti.com>
nobody should be modifying that structure and
debugfs has already being fixed to take const
arguments, so we won't cause any new compile
warnings.
Signed-off-by: Felipe Balbi <balbi@ti.com>
whenever we grab an unknown link_state we
were printing the entire register value as
a integer but that's hardly useful; instead,
let's print only the bogus state value.
Signed-off-by: Felipe Balbi <balbi@ti.com>
this function will receive enum usb_device_state
and return a human-readable string from it or,
case an unknown value is passed as argument,
the string "UNKNOWN".
Signed-off-by: Felipe Balbi <balbi@ti.com>
by moving to threaded IRQs, we allow our IRQ
priorities to be configurable when running with
realtime patch. Also, since we're running in
thread context, we can call functions which
might sleep, such as sysfs_notify() without
problems.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Fix the following compile warning:
drivers/usb/musb/musb_gadget.c: In function ‘rxstate’:
drivers/usb/musb/musb_gadget.c:714:22: warning: comparison of distinct pointer types lacks a cast [enabled by default]
Signed-off-by: Felipe Balbi <balbi@ti.com>
if CONFIG_OF is disabled, np will be unused
and that will give us a compile warning. This
patch just avoids it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Fix the following compile warnings:
drivers/usb/musb/ux500_dma.c: In function ‘ux500_configure_channel’:
drivers/usb/musb/ux500_dma.c:96:2: warning: format ‘%x’ expects argument of type ‘unsigned int’, but argument 6 has type ‘dma_addr_t’ [-Wformat]
drivers/usb/musb/ux500_dma.c: In function ‘ux500_dma_is_compatible’:
drivers/usb/musb/ux500_dma.c:195:4: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
Signed-off-by: Felipe Balbi <balbi@ti.com>
<linux/sizes.h> is the header defining SZ_4
and SZ_16M, we shouldn't depend on indirect
inclusion so let's explicitly include it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
those two glues are still including <mach/>
headers and no active developement has been
going on those glues for quite some time.
Apparently, for da8xx glue, only initial commit
3ee076de (usb: musb: introduce DA8xx/OMAP-L1x
glue layer) has been tested. All other patches
seem to have been compile-tested only.
For davinci glue layer, last real commit dates
back from 2010, with commit f405387 (USB: MUSB:
fix kernel WARNING/oops when unloading module
in OTG mode).
Signed-off-by: Felipe Balbi <balbi@ti.com>
MUSB still needs lots of work on the DMA part
if we want to enable multiple DMA engines on
a multiplatform kernel. Meanwhile, we're forcing
PIO-only so that we, at least, have a working
driver.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Those comments haven't been updated for a long
time, so much that they don't make sense anymore.
Best to remove them.
Signed-off-by: Felipe Balbi <balbi@ti.com>
this will make sure that request_memory_region() will
be called and that we don't need to manually call
iounmap() on ->remove().
Signed-off-by: Felipe Balbi <balbi@ti.com>
Adds suspend and resume callbacks to exynos dwc3 driver as part of
power management support.
This change does gating of dwc3 clock during suspend/resume cycles.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Vikas C Sajjan <vikas.sajjan@linaro.org>
CC: Doug Anderson <dianders@chromium.org>
Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
[ balbi@ti.com : refreshed to current linus/master ]
Signed-off-by: Felipe Balbi <balbi@ti.com>
this patch implements basic suspend/resume
functionality for the OMAP glue layer.
Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
we're not using those fields of the structure,
might as well remove them.
Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add support for basic power management on
the dwc3 driver. While there is still lots
to improve for full PM support, this minimal
patch will already make sure that we survive
suspend-to-ram and suspend-to-disk without
major issues.
Cc: Vikas C Sajjan <vikas.sajjan@linaro.org>
Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This will be used during resume to verify
if we should reconnect our pullups or not.
Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
we don't need to enable IRQs until we have
a gadget driver loaded and ready to work,
so let's delay IRQ enable to ->udc_start()
and IRQ disable to ->udc_stop().
While at that, also move the related use of
request_irq() and free_irq().
Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Make the call to dwc3_event_buffers_setup()
and dwc3_event_buffers_cleanup() explicit,
so it's easier to implement PM.
Tested-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
We don't need the ->register_my_device flag
anymore because all UDC drivers have been
properly converted.
Let's remove every history of it.
Signed-off-by: Felipe Balbi <balbi@ti.com>
By simply setting a flag, we can drop some
boilerplate code.
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
By simply setting a flag, we can drop some
boilerplate code.
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Fix the following compile warning:
mv_u3d_core.c:1766:12: warning: 'mv_u3d_remove' \
defined but not used [-Wunused-function]
Signed-off-by: Felipe Balbi <balbi@ti.com>
Currently all UDC drivers are calling
device_register() before calling
usb_add_gadget_udc(). In order to avoid
code duplication, we can allow udc-core.c
register that device.
However that would become a really large patch,
so to cope with the meanwhile and allow us
to write bite-sized patches, we're adding
a flag which will be set by UDC driver once
it removes the code for registering the
gadget device.
Once all are converted, the new flag will
be removed.
Reviewed-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Now that we have drivers for omap-usb2 phy and omap-usb3 phy, stop
using nop-usb-xceiv.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
omap5 is not going to have support for non-dt boot making the platform
data associated with dwc3 useless. Removed it here.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Includes few minor fixes in dwc3-omap like populating the compatible
string in a correct way, extracting the utmi-mode property properly and
changing the index of get_irq since irq of core is removed from hwmod
entry.
Also updated the documentation with dwc3-omap device tree binding
information.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
[ balbi@ti.com : fix a compile warning introduced by
this commit ]
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add 2 flags, needs_vcc and needs_reset to platform data.
If the flag is set and the regulator couldn't be found
then we bail out with -EPROBE_DEFER.
For device tree boot we depend on presensce of vcc-supply/
reset-supply properties to decide if we should bail out
with -EPROBE_DEFER or just continue in case the regulator
can't be found.
This is required for proper functionality in cases where the
regulator is needed but is probed later than the PHY device.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The PHY clock, clock rate, VCC regulator and RESET regulator
can now be provided via device tree.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
We would need to support multiple PHYs of the same type
so use the new PHY API usb_add_phy_dev() to register the PHY.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
We expect the RESET line to be modeled as a regulator with supply
name "reset". The regulator should be modeled such that enabling
the regulator brings the PHY device out of RESET and disabling the
regulator holds the device in RESET.
They PHY will be held in RESET in .shutdown() and brought out of
RESET in .init().
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
We use "vcc" as the supply name for the PHY's power supply.
The power supply will be enabled during .init() and disabled
during .shutdown()
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
If the PHY has a clock associated to it then manage the clock.
We just enable the clock in .init() and disable it in .shutdown().
Add clk_rate parameter in platform data and configure the
clock rate during probe if supplied.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Here are some tiny fixes for the w1 drivers and the final removal patch
for getting rid of CONFIG_EXPERIMENTAL (all users of it are now gone
from your tree, this just drops the Kconfig item itself.)
All have been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg Kroah-Hartman:
"Here are some tiny fixes for the w1 drivers and the final removal
patch for getting rid of CONFIG_EXPERIMENTAL (all users of it are now
gone from your tree, this just drops the Kconfig item itself.)
All have been in the linux-next tree for a while"
* tag 'char-misc-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
final removal of CONFIG_EXPERIMENTAL
w1: fix oops when w1_search is called from netlink connector
w1-gpio: fix unused variable warning
w1-gpio: remove erroneous __exit and __exit_p()
ARM: w1-gpio: fix erroneous gpio requests
With this one we have:
- An ab8500 build failure fix.
- An ab8500 device tree parsing fix.
- A fix for twl4030_madc remove routine to work properly (when built-in).
- A fix for properly registering palmas interrupt handler.
- A fix for omap-usb init routine to actually write into the hostconfig
register.
- A couple of warning fixes for ab8500-gpadc and tps65912.
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Merge tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes
Pull MFD fixes from Samuel Ortiz:
"This is the first batch of MFD fixes for 3.9.
With this one we have:
- An ab8500 build failure fix.
- An ab8500 device tree parsing fix.
- A fix for twl4030_madc remove routine to work properly (when
built-in).
- A fix for properly registering palmas interrupt handler.
- A fix for omap-usb init routine to actually write into the
hostconfig register.
- A couple of warning fixes for ab8500-gpadc and tps65912"
* tag 'mfd-fixes-3.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
mfd: twl4030-madc: Remove __exit_p annotation
mfd: ab8500: Kill "reg" property from binding
mfd: ab8500-gpadc: Complain if we fail to enable vtvout LDO
mfd: wm831x: Don't forward declare enum wm831x_auxadc
mfd: twl4030-audio: Fix argument type for twl4030_audio_disable_resource()
mfd: tps65912: Declare and use tps65912_irq_exit()
mfd: palmas: Provide irq flags through DT/platform data
mfd: Make AB8500_CORE select POWER_SUPPLY to fix build error
mfd: omap-usb-host: Actually update hostconfig
Added specific maintainer for some hwmon drivers
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Bug fixes for pmbus, ltc2978, and lineage-pem drivers
Added specific maintainer for some hwmon drivers"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (pmbus/ltc2978) Fix temperature reporting
hwmon: (pmbus) Fix krealloc() misuse in pmbus_add_attribute()
hwmon: (lineage-pem) Add missing terminating entry for pem_[input|fan]_attributes
MAINTAINERS: Add maintainer for MAX6697, INA209, and INA2XX drivers
4740f73fe5 "mfd: remove use of __devexit" removed the __devexit annotation
on the twl4030_madc_remove function, but left an __exit_p() present on the
pointer to this function. Using __exit_p was as wrong with the devexit in
place as it is now, but now we get a gcc warning about an unused function.
In order for the twl4030_madc_remove to work correctly in built-in code, we
have to remove the __exit_p.
Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
On LTC2978, only READ_TEMPERATURE is supported. It reports
the internal junction temperature. This register is unpaged.
On LTC3880, READ_TEMPERATURE and READ_TEMPERATURE2 are supported.
READ_TEMPERATURE is paged and reports external temperatures.
READ_TEMPERATURE2 is unpaged and reports the internal junction
temperature.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 3.2+
Acked-by: Jean Delvare <khali@linux-fr.org>
If krealloc() returns NULL, it *doesn't* free the original. So any code
of the form 'foo = krealloc(foo, …);' is almost certainly a bug.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: stable@vger.kernel.org
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Merge misc fixes from Andrew Morton:
- A bunch of fixes
- Finish off the idr API conversions before someone starts to use the
old interfaces again.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
idr: idr_alloc() shouldn't trigger lowmem warning when preloaded
UAPI: fix endianness conditionals in M32R's asm/stat.h
UAPI: fix endianness conditionals in linux/raid/md_p.h
UAPI: fix endianness conditionals in linux/acct.h
UAPI: fix endianness conditionals in linux/aio_abi.h
decompressors: fix typo "POWERPC"
mm/fremap.c: fix oops on error path
idr: deprecate idr_pre_get() and idr_get_new[_above]()
tidspbridge: convert to idr_alloc()
zcache: convert to idr_alloc()
mlx4: remove leftover idr_pre_get() call
workqueue: convert to idr_alloc()
nfsd: convert to idr_alloc()
nfsd: remove unused get_new_stid()
kernel/signal.c: use __ARCH_HAS_SA_RESTORER instead of SA_RESTORER
signal: always clear sa_restorer on execve
mm: remove_memory(): fix end_pfn setting
include/linux/res_counter.h needs errno.h
idr_get_new*() and friends are about to be deprecated. Convert to the
new idr_alloc() interface.
There are some peculiarities and possible bugs in the converted
functions. This patch preserves those.
* drv_insert_node_res_element() returns -ENOMEM on alloc failure,
-EFAULT if id space is exhausted. -EFAULT is at best misleading.
* drv_proc_insert_strm_res_element() is even weirder. It returns
-EFAULT if kzalloc() fails, -ENOMEM if idr preloading fails and
-EPERM if id space is exhausted. What's going on here?
* drv_proc_insert_strm_res_element() doesn't free *pstrm_res after
failure.
Only compile tested.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Víctor Manuel Jáquez Leal <vjaquez@igalia.com>
Cc: Rene Sapiens <rene.sapiens@ti.com>
Cc: Armando Uribe <x0095078@ti.com>
Cc: Omar Ramirez Luna <omar.ramirez@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
idr_get_new*() and friends are about to be deprecated. Convert to the
new idr_alloc() interface.
Only compile tested.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Dan Magenheimer <dan.magenheimer@oracle.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Commit 6a9200603d ("IB/mlx4: convert to idr_alloc()") forgot to remove
idr_pre_get() call in mlx4_ib_cm_paravirt_init(). It's unnecessary and
idr_pre_get() will soon be deprecated. Remove it.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jack Morgenstein <jackm@dev.mellanox.co.il>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Roland Dreier <roland@purestorage.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here are a number of tiny USB fixes and new USB device ids for your 3.9
tree.
The "largest" one here is a revert of a usb-storage patch that turned
out to be incorrect, breaking existing users, which is never a good
thing. Everything else is pretty simple and small
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are a number of tiny USB fixes and new USB device ids for your
3.9 tree.
The "largest" one here is a revert of a usb-storage patch that turned
out to be incorrect, breaking existing users, which is never a good
thing. Everything else is pretty simple and small"
* tag 'usb-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (43 commits)
USB: quatech2: only write to the tty if the port is open.
qcserial: bind to DM/DIAG port on Gobi 1K devices
USB: cdc-wdm: fix buffer overflow
usb: serial: Add Rigblaster Advantage to device table
qcaux: add Franklin U600
usb: musb: core: fix possible build error with randconfig
usb: cp210x new Vendor/Device IDs
usb: gadget: pxa25x: fix disconnect reporting
usb: dwc3: ep0: fix sparc64 build
usb: c67x00 RetryCnt value in c67x00 TD should be 3
usb: Correction to c67x00 TD data length mask
usb: Makefile: fix drivers/usb/phy/ Makefile entry
USB: added support for Cinterion's products AH6 and PLS8
usb: gadget: fix omap_udc build errors
USB: storage: fix Huawei mode switching regression
USB: storage: in-kernel modeswitching is deprecated
tools: usb: ffs-test: Fix build failure
USB: option: add Huawei E5331
usb: musb: omap2430: fix sparse warning
usb: musb: omap2430: fix omap_musb_mailbox glue check again
...
Here are some tty/serial driver fixes for 3.9
We finally mute the annoying WARN_ON that lots of people are hitting and
it turns out isn't needed anymore. Also add a few new device ids and a
some other minor fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg Kroah-Hartman:
"Here are some tty/serial driver fixes for 3.9
We finally mute the annoying WARN_ON that lots of people are hitting
and it turns out isn't needed anymore. Also add a few new device ids
and a some other minor fixes."
* tag 'tty-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: fix typo "SERIAL_S3C2412"
serial: 8250: Keep 8250.<xxxx> module options functional after driver rename
tty: serial: fix typo "ARCH_S5P6450"
tty/8250_pnp: serial port detection regression since v3.7
serial: bcm63xx_uart: fix compilation after "TTY: switch tty_insert_flip_char"
serial: 8250_pci: add support for another kind of NetMos Technology PCI 9835 Multi-I/O Controller
Fix 4 port and add support for 8 port 'Unknown' PCI serial port cards
tty/serial: Add support for Altera serial port
tty: serial: vt8500: Unneccessary duplicated clock code removed
tty: serial: mpc5xxx: fix PSC clock name bug
TTY: disable debugging warning
Here are some drivers/staging and drivers/iio fixes for 3.9 (the two are
still pretty intertwined, hence them coming both from my tree still.)
Nothing major, just a few things that have been reported by users, 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 'staging-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree fixes from Greg Kroah-Hartman:
"Here are some drivers/staging and drivers/iio fixes for 3.9 (the two
are still pretty intertwined, hence them coming both from my tree
still.) Nothing major, just a few things that have been reported by
users, all of these have been in linux-next for a while."
* tag 'staging-3.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: comedi: dt9812: use CR_CHAN() for channel number
staging/vt6656: Fix too large integer constant warning on 32-bit
staging: comedi: drivers: usbduxsigma.c: fix DMA buffers on stack
staging: imx/drm: request irq only after adding the crtc
staging: comedi: drivers: usbduxfast.c: fix for DMA buffers on stack
staging: comedi: drivers: usbdux.c: fix DMA buffers on stack
staging: vt6656: Fix oops on resume from suspend.
iio:common:st_sensors fixed all warning messages about uninitialized variables
iio: Fix build error seen if IIO_TRIGGER is defined but IIO_BUFFER is not
iio/imu: inv_mpu6050 depends on IIO_BUFFER
iio:ad5064: Initialize register cache correctly
iio:ad5064: Fix off by one in DAC value range check
iio:ad5064: Fix address of the second channel for ad5065/ad5045/ad5025
The commit 2e124b4a39 removed the checks
that prevented qt2_process_read_urb() from trying to put chars into
ttys that weren't actually opened. This resulted in 'tty is NULL'
warnings from flush_to_ldisc() when the device was used.
The devices use just one read urb for all ports. As a result
qt2_process_read_urb() may be called with the current port set to a
port number that has not been opened. Add a check if the port is open
before calling tty_flip_buffer_push().
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Turns out we just need altsetting 1 and then we can talk to it.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Compile warnings and errors (one on x86, two on ARM)
* WARNING in xen-pciback
* Use the acpi_processor_get_performance_info instead of the 'register' version
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Merge tag 'stable/for-linus-3.9-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen fixes from Konrad Rzeszutek Wilk:
- Compile warnings and errors (one on x86, two on ARM)
- WARNING in xen-pciback
- Use the acpi_processor_get_performance_info instead of the 'register'
version
* tag 'stable/for-linus-3.9-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/acpi: remove redundant acpi/acpi_drivers.h include
xen: arm: mandate EABI and use generic atomic operations.
acpi: Export the acpi_processor_get_performance_info
xen/pciback: Don't disable a PCI device that is already disabled.
The buffer for responses must not overflow.
If this would happen, set a flag, drop the data and return
an error after user space has read all remaining data.
Signed-off-by: Oliver Neukum <oliver@neukum.org>
CC: stable@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On Sat, Mar 02, 2013 at 10:45:10AM +0100, Sven Geggus wrote:
> This is the bad commit I found doing git bisect:
> 04f482faf5 is the first bad commit
> commit 04f482faf5
> Author: Patrick McHardy <kaber@trash.net>
> Date: Mon Mar 28 08:39:36 2011 +0000
Good job. I was too lazy to bisect for bad commit;)
Reading the code I found problematic kthread_should_stop call from netlink
connector which causes the oops. After applying a patch, I've been testing
owfs+w1 setup for nearly two days and it seems to work very reliable (no
hangs, no memleaks etc).
More detailed description and possible fix is given below:
Function w1_search can be called from either kthread or netlink callback.
While the former works fine, the latter causes oops due to kthread_should_stop
invocation.
This patch adds a check if w1_search is serving netlink command, skipping
kthread_should_stop invocation if so.
Signed-off-by: Marcin Jurkowski <marcin1j@gmail.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Josh Boyer <jwboyer@gmail.com>
Tested-by: Sven Geggus <lists@fuchsschwanzdomain.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: stable <stable@vger.kernel.org> # 3.0+
Commit 8a1861d997 ("w1-gpio: Simplify & get rid of defines") removed the
compile guards from the device-tree id table, thereby generating a
warning when building without device-tree support.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 8a1861d997 ("w1-gpio: Simplify & get rid of defines") changed
(apparently unknowingly) the driver to a hotpluggable platform-device
driver but did not not update the section markers for probe and remove
(to __devinit/exit, which have since been removed). A later commit fixed
the section mismatch for probe, but left remove marked with __exit.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Cc: stable <stable@vger.kernel.org> # 3.8
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull drm nouveau fixes from Dave Airlie:
"This is just nouveau fixes from Ben, one fixes a nasty oops that some
Fedora people have been seeing, so I'd like to get it out of the way."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nv50: use correct tiling methods for m2mf buffer moves
drm/nouveau: idle channel before releasing notify object
drm/nouveau: fix regression in vblanking
drm/nv50: encoder creation failure doesn't mean full init failure
These bug fixes are for the largest part for mvebu/kirkwood, which
saw a few regressions after the clock infrastructure was enabled,
and for OMAP, which showed a few more preexisting bugs with
the new multiplatform support.
Other small fixes are for imx, mxs, tegra, spear and socfpga.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"These bug fixes are for the largest part for mvebu/kirkwood, which saw
a few regressions after the clock infrastructure was enabled, and for
OMAP, which showed a few more preexisting bugs with the new
multiplatform support.
Other small fixes are for imx, mxs, tegra, spear and socfpga"
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
ARM: spear3xx: Use correct pl080 header file
Arm: socfpga: pl330: Add #dma-cells for generic dma binding support
ARM: multiplatform: Sort the max gpio numbers.
ARM: imx: fix typo "DEBUG_IMX50_IMX53_UART"
ARM: imx: pll1_sys should be an initial on clk
arm: mach-orion5x: fix typo in compatible string of a .dts file
arm: mvebu: fix address-cells in mpic DT node
arm: plat-orion: fix address decoding when > 4GB is used
arm: mvebu: Reduce reg-io-width with UARTs
ARM: Dove: add RTC device node
arm: mvebu: enable the USB ports on Armada 370 Reference Design board
ARM: dove: drop "select COMMON_CLK_DOVE"
rtc: rtc-mv: Add support for clk to avoid lockups
gpio: mvebu: Add clk support to prevent lockup
ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
ARM: mxs: cfa10049: Fix fb initialisation function
ARM: SPEAr13xx: Fix typo "ARCH_HAVE_CPUFREQ"
ARM: OMAP: RX-51: add missing USB phy binding
clk: Tegra: Remove duplicate smp_twd clock
...
The Rigblaster Advantage is an amateur radio interface sold by West Mountain
Radio. It contains a cp210x serial interface but the device ID is not in
the driver.
Signed-off-by: Steve Conklin <sconklin@canonical.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The Kconfig symbol SERIAL_S3C2412 got removed in commit
da121506eb ("serial: samsung: merge
probe() function from all SoC specific extensions"). But it also added a
last reference to that symbol. The commit and the tree make clear that
CPU_S3C2412 should have been used instead.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
With commit 835d844d1 (8250_pnp: do pnp probe before legacy probe), the
8250 driver was renamed to 8250_core. This means any existing usage of
the 8259.<xxxx> module parameters or as a kernel command line switch is
now broken, as the 8250_core driver doesn't parse options belonging to
something called "8250".
To solve this, we redefine the module options in a dummy function using
a redefined MODULE_PARAM_PREFX when built into the kernel. In the case
where we're building as a module, we provide an alias to the old 8250
name. The dummy function prevents compiler errors due to global variable
redefinitions that happen as part of the module_param_ macro expansions.
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This could have been either ARCH_S5P64X0 or CPU_S5P6450. Looking at
commit 2555e663b3 ("ARM: S5P64X0: Add UART
serial support for S5P6450") - which added this typo - makes clear this
should be CPU_S5P6450.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The InsydeH2O BIOS (version dated 09/12/2011) has the following in
its pnp resouces for its serial ports:
$ cat /sys/bus/pnp/devices/00:0b/resources
state = active
io disabled
irq disabled
We do not check if the resources are disabled, and create a bogus
ttyS* device. Since commit 835d844d1a (8250_pnp: do pnp probe
before legacy probe) we get a bogus ttyS0, which prevents the legacy
probe from detecting it.
Note, the BIOS can also be upgraded, fixing this problem, but for people
who can't do that, this fix is needed.
Reported-by: Vincent Deffontaines <vincent@gryzor.com>
Tested-by: Vincent Deffontaines <vincent@gryzor.com>
Signed-off-by: Sean Young <sean@mess.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
92a19f9cec introduced a local variable
with the same name as the argument to bcm_uart_do_rx, breaking
compilation. Fix this by renaming the new variable and its uses where
expected.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
I've managed to find an 8 port version of the card 4 port card which was discussed here:
http://marc.info/?l=linux-serial&m=120760744205314&w=2
Looking back at that thread there were two issues in the original patch.
1) The I/O ports for the UARTs are within BAR2 not BAR0. This can been seen in the original post.
2) A serial quirk isn't needed as these cards have no memory in BAR0 which makes pci_plx9050_init just return.
This patch fixes the 4 port support to use BAR2, removes the bogus quirk and adds support for the 8 port card.
$ lspci -vvv -n -s 00:08.0
00:08.0 0780: 10b5:9050 (rev 01)
Subsystem: 10b5:1588
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 17
Region 1: I/O ports at ff00 [size=128]
Region 2: I/O ports at fe00 [size=64]
Region 3: I/O ports at fd00 [size=8]
Capabilities: <access denied>
Kernel driver in use: serial
$ dmesg | grep 0000:00:08.0:
[ 0.083320] pci 0000:00:08.0: [10b5:9050] type 0 class 0x000780
[ 0.083355] pci 0000:00:08.0: reg 14: [io 0xff00-0xff7f]
[ 0.083369] pci 0000:00:08.0: reg 18: [io 0xfe00-0xfe3f]
[ 0.083382] pci 0000:00:08.0: reg 1c: [io 0xfd00-0xfd07]
[ 0.083460] pci 0000:00:08.0: PME# supported from D0 D3hot
[ 1.212867] 0000:00:08.0: ttyS4 at I/O 0xfe00 (irq = 17) is a 16550A
[ 1.233073] 0000:00:08.0: ttyS5 at I/O 0xfe08 (irq = 17) is a 16550A
[ 1.253270] 0000:00:08.0: ttyS6 at I/O 0xfe10 (irq = 17) is a 16550A
[ 1.273468] 0000:00:08.0: ttyS7 at I/O 0xfe18 (irq = 17) is a 16550A
[ 1.293666] 0000:00:08.0: ttyS8 at I/O 0xfe20 (irq = 17) is a 16550A
[ 1.313863] 0000:00:08.0: ttyS9 at I/O 0xfe28 (irq = 17) is a 16550A
[ 1.334061] 0000:00:08.0: ttyS10 at I/O 0xfe30 (irq = 17) is a 16550A
[ 1.354258] 0000:00:08.0: ttyS11 at I/O 0xfe38 (irq = 17) is a 16550A
Signed-off-by: Scott Ashcroft <scott.ashcroft@talk21.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for Altera 8250/16550 compatible serial port.
Signed-off-by: Ley Foon Tan <lftan@altera.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the extra code left over when the serial driver was changed
to require a clock. There is no fallback to 24Mhz as a clock is
now required.
Also remove a second call to of_clk_get which is unnecessary.
Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mpc512x platform clock code names PSC clocks as "pscX_mclk" but
the driver tries to get "pscX_clk" clock and this results in
errors like:
mpc52xx-psc-uart 80011700.psc: Failed to get PSC clock entry!
The problem appears when opening ttyPSC devices other than the
system's serial console. Since getting and enabling the PSC clock
fails, uart port startup doesn't succeed and tty flag TTY_IO_ERROR
remains set causing further errors in tty ioctls, i.e.
'strace stty -F /dev/ttyPSC1' shows:
open("/dev/ttyPSC1", O_RDONLY|O_NONBLOCK|O_LARGEFILE) = 3
dup2(3, 0) = 0
close(3) = 0
fcntl64(0, F_GETFL) = 0x10800 (flags O_RDONLY|O_NONBLOCK|O_LARGEFILE)
fcntl64(0, F_SETFL, O_RDONLY|O_LARGEFILE) = 0
ioctl(0, TCGETS, 0xbff89038) = -1 EIO (Input/output error)
Only request PSC clock names that the platform actually provides.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since commit c8801a8e
"regulator: core: Mark all get and enable calls as __must_check",
we must check return value of regulator_enable() to silence below build warning.
CC drivers/mfd/ab8500-gpadc.o
drivers/mfd/ab8500-gpadc.c: In function 'ab8500_gpadc_runtime_resume':
drivers/mfd/ab8500-gpadc.c:598:18: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
drivers/mfd/ab8500-gpadc.c: In function 'ab8500_gpadc_probe':
drivers/mfd/ab8500-gpadc.c:655:18: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
Also convert to devm_regulator_get(), this fixes a missing regulator_put() call
in ab8500_gpadc_remove().
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Looks like the conversion to enum was missed for the definition of this
function, the declaration has been updated.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Clean up interrupts on exit, silencing a sparse warning caused by
tps65912_irq_exit() being defined but not prototyped as we go.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Currently driver sets the irq type to IRQF_TRIGGER_LOW which is
causing interrupt registration failure in ARM based SoCs as:
[ 0.208479] genirq: Setting trigger mode 8 for irq 118 failed (gic_set_type+0x0/0xf0)
[ 0.208513] dummy 0-0059: Failed to request IRQ 118: -22
Provide the irq flags through platform data if device is registered
through board file or get the irq type from DT node property in place
of hardcoding the irq flag in driver to support multiple platforms.
Also configure the device to generate the interrupt signal according to
flag type.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This patch fixes below build error when CONFIG_POWER_SUPPLY is not set.
drivers/built-in.o: In function `ab8500_power_off':
drivers/mfd/ab8500-sysctrl.c:37: undefined reference to `power_supply_get_by_name'
drivers/mfd/ab8500-sysctrl.c:53: undefined reference to `power_supply_get_by_name'
make: *** [vmlinux] Error 1
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The helper functions omap_usbhs_rev1_hostconfig()
and omap_usbhs_rev2_hostconfig() don't write into
the hostconfig register. Make sure that we write
the return value into the hostconfig register.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
The first four patches:
89c58c1 rtc: rtc-mv: Add support for clk to avoid lockups
de88747 gpio: mvebu: Add clk support to prevent lockup
7bf5b40 ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
93fff4c ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
are Cc'd to stable since they were held over from the previous merge window.
The rest are a small collection of fixes and a couple of devicetree conversion
catchups.
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Merge tag 'mvebu_fixes_for_v3.9' of git://git.infradead.org/users/jcooper/linux into fixes
mvebu fixes for v3.9 from Jason Cooper <jason@lakedaemon.net>:
The first four patches:
89c58c1 rtc: rtc-mv: Add support for clk to avoid lockups
de88747 gpio: mvebu: Add clk support to prevent lockup
7bf5b40 ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
93fff4c ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
are Cc'd to stable since they were held over from the previous merge window.
The rest are a small collection of fixes and a couple of devicetree conversion
catchups.
* tag 'mvebu_fixes_for_v3.9' of git://git.infradead.org/users/jcooper/linux:
arm: mach-orion5x: fix typo in compatible string of a .dts file
arm: mvebu: fix address-cells in mpic DT node
arm: plat-orion: fix address decoding when > 4GB is used
arm: mvebu: Reduce reg-io-width with UARTs
ARM: Dove: add RTC device node
arm: mvebu: enable the USB ports on Armada 370 Reference Design board
ARM: dove: drop "select COMMON_CLK_DOVE"
rtc: rtc-mv: Add support for clk to avoid lockups
gpio: mvebu: Add clk support to prevent lockup
ARM: kirkwood: fix to retain gbe MAC addresses for DT kernels
ARM: kirkwood: of_serial: fix clock gating by removing clock-frequency
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
4 ports; AT/PPP is standard CDC-ACM. The other three (added by this
patch) are QCDM/DIAG, possibly GPS, and unknown.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
when making commit e574d57 (usb: musb: fix
compile warning) I forgot to git add this
part of the patch which ended up introducing
a possible build error.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It's redundant since linux/acpi.h has include it when CONFIG_ACPI enabled,
and when CONFIG_ACPI disabled it will trigger compiling warning
In file included from drivers/xen/xen-stub.c:28:0:
include/acpi/acpi_drivers.h:103:31:
warning: 'struct acpi_device' declared inside parameter list [enabled by default]
include/acpi/acpi_drivers.h:103:31:
warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
include/acpi/acpi_drivers.h:107:43:
warning: 'struct acpi_pci_root' declared inside parameter list [enabled by default]
Reported-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Liu Jinsong <jinsong.liu@intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
As pointed out by Dan Carpenper in
<http://driverdev.linuxdriverproject.org/pipermail/devel/2013-February/036025.html>,
the dt9812 comedi driver's use of the `chanspec` member of `struct
comedi_insn` as a channel number is incorrect. Change it to use
`CR_CHAN(insn->chanspec)` as the channel number (where `insn` is a
pointer to the `struct comedi_insn` being processed).
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org> # 3.8 onwards
Cc: Anders Blomdell <anders.blomdell@control.lth.se>
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/vt6656/card.c: In function ‘CARDqGetNextTBTT’:
drivers/staging/vt6656/card.c:793: warning: integer constant is too large for ‘unsigned long’ type
Commit c7b7cad0d8 ("staging/vt6656: Fix
sparse warning constant 0xffffffff00000000U is so big it is unsigned long")
changed the constant to "0xffffffff00000000UL", but that only works on
64-bit. Change it "0xffffffff00000000ULL" to fix it for 32-bit, too.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes an instance of DMA buffer on stack(being passed to
usb_control_msg)for the USB-DUXsigma Board driver. Found using smatch.
Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If the bootloader already enabled the display, the interrupt handler
will be called as soon as it is registered. If the CRTC is not already
added at this time, the call to imx_drm_handle_vblank will result in
a NULL pointer dereference.
The patch fixes a kernel panic [1], which has been on linux-next since
Jan 8 [2].
[1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/218858
[2] http://thread.gmane.org/gmane.linux.ports.arm.kernel/208192
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fix for instances of DMA buffer on stack(being passed to usb_control_msg) for
the USB-DUXfast Board driver.
Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fix for instances of DMA buffer on stack(being passed to usb_control_msg) for
the USB-DUX-D Board driver.
Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
