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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 RAS update from Ingo Molnar:
"Rework all config variables used throughout the MCA code and collect
them together into a mca_config struct. This keeps them tightly and
neatly packed together instead of spilled all over the place.
Then, convert those which are used as booleans into real booleans and
save some space. These bits are exposed via
/sys/devices/system/machinecheck/machinecheck*/"
* 'x86-ras-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, MCA: Finish mca_config conversion
x86, MCA: Convert the next three variables batch
x86, MCA: Convert rip_msr, mce_bootlog, monarch_timeout
x86, MCA: Convert dont_log_ce, banks and tolerant
drivers/base: Add a DEVICE_BOOL_ATTR macro
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into x86/ras
Pull x86 RAS changes from Borislav Petkov:
"Rework all config variables used throughout the MCA code and collect
them together into a mca_config struct. This keeps them tightly and
neatly packed together instead of spilled all over the place.
Then, convert those which are used as booleans into real booleans and
save some space."
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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... which, analogous to DEVICE_INT_ATTR provides functionality to
set/clear bools. Its purpose is to be used where values need to be used
as booleans in configuration context.
Next patch uses this.
Signed-off-by: Borislav Petkov <bp@alien8.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Tony Luck <tony.luck@intel.com>
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Pull battery subsystem updates from Anton Vorontsov:
"Highlights:
- Two new drivers from Pali Rohár and N900 hackers: rx51_battery and
bq2415x_charger. The drivers are a part of a solution to replace
the proprietary Nokia BME stack
- Power supply core now registers devices with a thermal cooling
subsystem, so we can now automatically throttle charging. Thanks
to Ramakrishna Pallala!
- Device tree support for ab8500 and max8925_power drivers
- Random fixups and enhancements for a bunch of drivers."
* tag 'for-v3.8-merged' of git://git.infradead.org/battery-2.6: (22 commits)
max8925_power: Add support for device-tree initialization
ab8500: Add devicetree support for chargalg
ab8500: Add devicetree support for charger
ab8500: Add devicetree support for btemp
ab8500: Add devicetree support for fuelgauge
twl4030_charger: Change TWL4030_MODULE_* ids to TWL_MODULE_*
jz4740-battery: Use devm_request_and_ioremap
jz4740-battery: Use devm_kzalloc
bq27x00_battery: Fixup nominal available capacity reporting
bq2415x_charger: Fix style issues
bq2415x_charger: Add Kconfig/Makefile entries
power_supply: Add bq2415x charger driver
power_supply: Add new Nokia RX-51 (N900) power supply battery driver
max17042_battery: Fix missing verify_model_lock() return value check
ds2782_battery: Fix signedness bug in ds278x_read_reg16()
lp8788-charger: Fix ADC channel names
lp8788-charger: Fix wrong ADC conversion
lp8788-charger: Use consumer device name on setting IIO channels
power_supply: Register power supply for thermal cooling device
power_supply: Add support for CHARGE_CONTROL_* attributes
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The merge is merely to fix conflicts before sending a pull request.
Conflicts:
drivers/power/ab8500_btemp.c
drivers/power/ab8500_charger.c
drivers/power/ab8500_fg.c
drivers/power/abx500_chargalg.c
drivers/power/max8925_power.c
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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This patch adds device tree support for charging algorithm driver
Signed-off-by: Rajanikanth H.V <rajanikanth.hv@stericsson.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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- This patch adds device tree support for fuelgauge driver
- optimize bm devices platform_data usage and of_probe(...)
Note: of_probe() routine for battery managed devices is made
common across all bm drivers.
- test status:
- interrupt numbers assigned differs between legacy and FDT mode.
Signed-off-by: Rajanikanth H.V <rajanikanth.hv@stericsson.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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I hate doing these style fixups myself, but I also hate inconsitent code.
Normally I just ask to resubmit the patch with the issues fixed, but N900
is special: I have a selfish interest in it. :)
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
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The bq2415x charger driver is needed for example on Nokia N900 for
charging battery. Driver is part of open source project to replace
proprietary battery management.
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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The name of ADC channel is configurable in the platform side. This name is
referenced in the IIO consumer driver. To get the IIO channel, specific
name in the platform data is used as an parameter of the
iio_channel_get(). Thus, lp8788_adc_id platform data are replaced with
specific names.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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This patch registers the power supply as a cooling device if the power
supply has support for charge throttling.
Now with this change low level drivers need not register with thermal
framework as it is automatically done by power supply framework.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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Add support for power supply attributes CHARGE_CONTROL_LIMIT
and CHARGE_CONTROL_LIMIT_MAX.
These new attributes will enable the user space to implement
custom charging algorithms based on platform state.
Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Missing MAINTAINERS entries were added for several drivers
- Adds V4L2 support for DMABUF handling, allowing zero-copy buffer
sharing between V4L2 devices and GPU
- Got rid of all warnings when compiling with W=1 on x86
- Add a new driver for Exynos hardware (s3c-camif)
- Several bug fixes, cleanups and driver improvements
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (243 commits)
[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
[media] omap3isp: Prepare/unprepare clocks before/after enable/disable
[media] omap3isp: preview: Add support for 8-bit formats at the sink pad
[media] omap3isp: Replace printk with dev_*
[media] omap3isp: Find source pad from external entity
[media] omap3isp: Configure CSI-2 phy based on platform data
[media] omap3isp: Add PHY routing configuration
[media] omap3isp: Add CSI configuration registers from control block to ISP resources
[media] omap3isp: Remove unneeded module memory address definitions
[media] omap3isp: Use monotonic timestamps for statistics buffers
[media] uvcvideo: Fix control value clamping for unsigned integer controls
[media] uvcvideo: Mark first output terminal as default video node
[media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
[media] uvcvideo: Return -ENOTTY for unsupported ioctls
[media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
[media] uvcvideo: Don't fail when an unsupported format is requested
[media] uvcvideo: Return -EACCES when trying to access a read/write-only control
[media] uvcvideo: Set error_idx properly for extended controls API failures
[media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
[media] fc2580: write some registers conditionally
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* for_3.8-rc1: (243 commits)
[media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
[media] omap3isp: Prepare/unprepare clocks before/after enable/disable
[media] omap3isp: preview: Add support for 8-bit formats at the sink pad
[media] omap3isp: Replace printk with dev_*
[media] omap3isp: Find source pad from external entity
[media] omap3isp: Configure CSI-2 phy based on platform data
[media] omap3isp: Add PHY routing configuration
[media] omap3isp: Add CSI configuration registers from control block to ISP resources
[media] omap3isp: Remove unneeded module memory address definitions
[media] omap3isp: Use monotonic timestamps for statistics buffers
[media] uvcvideo: Fix control value clamping for unsigned integer controls
[media] uvcvideo: Mark first output terminal as default video node
[media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
[media] uvcvideo: Return -ENOTTY for unsupported ioctls
[media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
[media] uvcvideo: Don't fail when an unsupported format is requested
[media] uvcvideo: Return -EACCES when trying to access a read/write-only control
[media] uvcvideo: Set error_idx properly for extended controls API failures
[media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
[media] fc2580: write some registers conditionally
...
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This patch adds V4L2 driver for Samsung S3C24XX/S3C64XX SoC series
camera interface. The driver exposes a subdev device node for CAMIF
pixel resolution and crop control and two video capture nodes - for
the "codec" and "preview" data paths. It has been tested on Mini2440
(s3c2440) and Mini6410 (s3c6410) board with gstreamer and mplayer.
Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Andrey Gusakov <dron0gus@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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* linus/master: (1428 commits)
futex: avoid wake_futex() for a PI futex_q
watchdog: using u64 in get_sample_period()
writeback: put unused inodes to LRU after writeback completion
mm: vmscan: check for fatal signals iff the process was throttled
Revert "mm: remove __GFP_NO_KSWAPD"
proc: check vma->vm_file before dereferencing
UAPI: strip the _UAPI prefix from header guards during header installation
include/linux/bug.h: fix sparse warning related to BUILD_BUG_ON_INVALID
Linux 3.7-rc7
powerpc/eeh: Do not invalidate PE properly
ALSA: hda - Fix build without CONFIG_PM
of/address: sparc: Declare of_iomap as an extern function for sparc again
PM / QoS: fix wrong error-checking condition
bnx2x: remove redundant warning log
vxlan: fix command usage in its doc
8139cp: revert "set ring address before enabling receiver"
MPI: Fix compilation on MIPS with GCC 4.4 and newer
MIPS: Fix crash that occurs when function tracing is enabled
MIPS: Merge overlapping bootmem ranges
jbd: Fix lock ordering bug in journal_unmap_buffer()
...
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This patch adds extension to videobuf2-core. It allow to export an mmap buffer
as a DMABUF file descriptor.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch adds extension to V4L2 api. A new ioctl VIDIOC_EXPBUF is added. The
ioctl is used to export an mmap buffer as a DMABUF file descriptor.
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Let mmap method to use dma_mmap_coherent call. Moreover, this patch removes
vb2_mmap_pfn_range from videobuf2 helpers as it was suggested by Laurent
Pinchart. The function is no longer used in vb2 code.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch adds support for prepare/finish callbacks in VB2 allocators. These
callback are used for buffer flushing.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch adds support for DMABUF memory type in videobuf2. It calls relevant
APIs of dma_buf for v4l reqbuf / qbuf / dqbuf operations.
For this version, the support is for videobuf2 as a user of the shared buffer;
so the allocation of the buffer is done outside of V4L2. [A sample allocator of
dma-buf shared buffer is given at [1]]
[1]: Rob Clark's DRM:
https://github.com/robclark/kernel-omap4/commits/drmplane-dmabuf
[original work in the PoC for buffer sharing]
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Adds DMABUF memory type to v4l framework. Also adds the related file
descriptor in v4l2_plane and v4l2_buffer.
[original work in the PoC for buffer sharing]
Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Tested-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Set "y_skip_top" to zero and revise comment as I do not see this line
corruption on two different mt9v022 setups. The first read-out line
is perfectly fine. Add mt9v022 platform data configuring y_skip_top
for platforms that have issues with the first read-out line. Set
y_skip_top to 1 for pcm990 board.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Acked-by: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch migrates VPBE display driver to videobuf2 framework.
Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Warnings were generated because of the following commit changed data type for
address pointer
195bbca ARM: 7500/1: io: avoid writeback addressing modes for __raw_ accessors
add __iomem annotation to fix following warnings
drivers/media/platform/davinci/vpbe_osd.c: In function ‘osd_read’:
drivers/media/platform/davinci/vpbe_osd.c:49:2: warning: passing
argument 1 of ‘__raw_readl’ makes pointer from integer without a cast [enabled by default]
arch/arm/include/asm/io.h:104:19: note: expected ‘const volatile
void *’ but argument is of type ‘long unsigned int’
This patch stores the ioremap_nocache() returned address in a
void __iomem * instead of a unsigned long and passes the same to
readl/writel functions which fixes the above warnings.
Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Update contact information to correspond my e-mail address changes.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Judging from what drivers do and from my experience temeperframe
fraction is set in seconds - look e.g. here
static int bttv_g_parm(struct file *file, void *f,
struct v4l2_streamparm *parm)
{
struct bttv_fh *fh = f;
struct bttv *btv = fh->btv;
v4l2_video_std_frame_period(bttv_tvnorms[btv->tvnorm].v4l2_id,
&parm->parm.capture.timeperframe);
...
void v4l2_video_std_frame_period(int id, struct v4l2_fract *frameperiod)
{
if (id & V4L2_STD_525_60) {
frameperiod->numerator = 1001;
frameperiod->denominator = 30000;
} else {
frameperiod->numerator = 1;
frameperiod->denominator = 25;
}
and also v4l2-ctl in userspace decodes this as seconds:
if (doioctl(fd, VIDIOC_G_PARM, &parm, "VIDIOC_G_PARM") == 0) {
const struct v4l2_fract &tf = parm.parm.capture.timeperframe;
...
printf("\tFrames per second: %.3f (%d/%d)\n",
(1.0 * tf.denominator) / tf.numerator,
tf.denominator, tf.numerator);
The typo was there from day 1 - added in 2002 in e028b61b ([PATCH]
add v4l2 api)(*)
(*) found in history tree
git://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git
Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The RC_TYPE_* defines are currently used both where a single protocol is
expected and where a bitmap of protocols is expected.
Functions like rc_keydown() and functions which add/remove entries to the
keytable want a single protocol. Future userspace APIs would also
benefit from numeric protocols (rather than bitmap ones). Keytables are
smaller if they can use a small(ish) integer rather than a bitmap.
Other functions or struct members (e.g. allowed_protos,
enabled_protocols, etc) accept multiple protocols and need a bitmap.
Using different types reduces the risk of programmer error. Using a
protocol enum whereever possible also makes for a more future-proof
user-space API as we don't need to worry about a sufficient number of
bits being available (e.g. in structs used for ioctl() calls).
The use of both a number and a corresponding bit is dalso one in e.g.
the input subsystem as well (see all the references to set/clear bit when
changing keytables for example).
This patch separate the different usages in preparation for
upcoming patches.
Where a single protocol is expected, enum rc_type is used; where one or more
protocol(s) are expected, something like u64 is used.
The patch has been rewritten so that the format of the sysfs "protocols"
file is no longer altered (at the loss of some detail). The file itself
should probably be deprecated in the future though.
Signed-off-by: David Härdeman <david@hardeman.nu>
Cc: Andy Walls <awalls@md.metrocast.net>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Antti Palosaari <crope@iki.fi>
Cc: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The only file left there is include/linux/dvb/video.h. The
only function for it is to include linux/compiler.h, but this
is already indirectly included. So, get rid of it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The only reason for this header is to make sure that include
linux/time.h were added before uapi/*/dmx.h. Just push down the
time.h header on the few places where this is used, and drop
this new header.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Pull first round of SCSI updates from James Bottomley:
"This patch set includes two large new drivers: mpt3sas (for the next
gen fusion SAS hardware) and csiostor a FCoE offload driver for the
Chelsio converged network cards (this includes some net changes which
I've OK'd with DaveM).
The rest of the patch is driver updates (qla2xxx, lpfc, hptiop,
be2iscsi) plus a few assorted updates and bug fixes.
We also have a Power Management rework in the Upper Layer Drivers
preparatory to doing ACPI zero power optical devices, but the actual
enabler is still being worked on.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (72 commits)
[SCSI] mpt3sas: add new driver supporting 12GB SAS
[SCSI] scsi_transport_sas: add 12GB definitions for mpt3sas
[SCSI] miscdevice: Adding support for MPT3SAS_MINOR(222)
[SCSI] csiostor: remove unneeded memset()
[SCSI] csiostor: Fix sparse warnings.
[SCSI] qla2xxx: Display that driver is operating in legacy interrupt mode.
[SCSI] qla2xxx: Dont clear drv active on iospace config failure.
[SCSI] qla2xxx: Fix typo in qla2xxx driver.
[SCSI] qla2xxx: Update ql2xextended_error_logging parameter description with new option.
[SCSI] qla2xxx: Parameterize the link speed of hba rather than fcport.
[SCSI] qla2xxx: Add 16Gb/s case to get port speed capability.
[SCSI] qla2xxx: Move marking fcport online ahead of setting iiDMA speed.
[SCSI] qla2xxx: Add acquiring of risc semaphore before doing ISP reset.
[SCSI] qla2xxx: Ignore driver ack bit if corresponding presence bit is not set.
[SCSI] qla2xxx: Fix typo in qla83xx_fw_dump function.
[SCSI] qla2xxx: Add Gen3 PCIe speed 8GT/s to the log message.
[SCSI] qla2xxx: Use correct Request-Q-Out register during bidirectional request processing
[SCSI] qla2xxx: Move noisy Start scsi failed messages to verbose logging level.
[SCSI] qla2xxx: Fix coccinelle warnings in qla2x00_relogin.
[SCSI] qla2xxx: No fcport FC-4 type assignment in GA_NXT response.
...
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[jejb: split this core change into a separate patch]
Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Reviewed-by: Nagalakshmi Nandigama <Nagalakshmi.Nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@lsi.com>
Reviewed-by: Nagalakshmi Nandigama <Nagalakshmi.Nandigama@lsi.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Force large capacity (> 0xFFFFFFFF blocks) drives to use READ/WRITE(16) instead
of READ/WRITE(10). Some(most/all?) USB enclosures do not like READ(10) commands
when a large capacity drive is installed. This issue was reported and discussed
here: http://marc.info/?l=linux-usb&m=135247705222324
Signed-off-by: Jason J. Herne <hernejj@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband upate from Roland Dreier:
"First batch of InfiniBand/RDMA changes for the 3.8 merge window:
- A good chunk of Bart Van Assche's SRP fixes
- UAPI disintegration from David Howells
- mlx4 support for "64-byte CQE" hardware feature from Or Gerlitz
- Other miscellaneous fixes"
Fix up trivial conflict in mellanox/mlx4 driver.
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (33 commits)
RDMA/nes: Fix for crash when registering zero length MR for CQ
RDMA/nes: Fix for terminate timer crash
RDMA/nes: Fix for BUG_ON due to adding already-pending timer
IB/srp: Allow SRP disconnect through sysfs
srp_transport: Document sysfs attributes
srp_transport: Simplify attribute initialization code
srp_transport: Fix attribute registration
IB/srp: Document sysfs attributes
IB/srp: send disconnect request without waiting for CM timewait exit
IB/srp: destroy and recreate QP and CQs when reconnecting
IB/srp: Eliminate state SRP_TARGET_DEAD
IB/srp: Introduce the helper function srp_remove_target()
IB/srp: Suppress superfluous error messages
IB/srp: Process all error completions
IB/srp: Introduce srp_handle_qp_err()
IB/srp: Simplify SCSI error handling
IB/srp: Keep processing commands during host removal
IB/srp: Eliminate state SRP_TARGET_CONNECTING
IB/srp: Increase block layer timeout
RDMA/cm: Change return value from find_gid_port()
...
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Make it possible to disconnect the IB RC connection used by the SRP
protocol to communicate with a target.
Have the SRP transport layer create a sysfs "delete" attribute for
initiator drivers that support this functionality.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: David Dillow <dillowda@ornl.gov>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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ConnectX-3 devices can use either 64- or 32-byte completion queue
entries (CQEs) and event queue entries (EQEs). Using 64-byte
EQEs/CQEs performs better because each entry is aligned to a complete
cacheline. This patch queries the HCA's capabilities, and if it
supports 64-byte CQEs and EQES the driver will configure the HW to
work in 64-byte mode.
The 32-byte vs 64-byte mode is global per HCA and not per CQ or EQ.
Since this mode is global, userspace (libmlx4) must be updated to work
with the configured CQE size, and guests using SR-IOV virtual
functions need to know both EQE and CQE size.
In case one of the 64-byte CQE/EQE capabilities is activated, the
patch makes sure that older guest drivers that use the QUERY_DEV_FUNC
command (e.g as done in mlx4_core of Linux 3.3..3.6) will notice that
they need an update to be able to work with the PPF. This is done by
changing the returned pf_context_behaviour not to be zero any more. In
case none of these capabilities is activated that value remains zero
and older guest drivers can run OK.
The SRIOV related flow is as follows
1. the PPF does the detection of the new capabilities using
QUERY_DEV_CAP command.
2. the PPF activates the new capabilities using INIT_HCA.
3. the VF detects if the PPF activated the capabilities using
QUERY_HCA, and if this is the case activates them for itself too.
Note that the VF detects that it must be aware to the new PF behaviour
using QUERY_FUNC_CAP. Steps 1 and 2 apply also for native mode.
User space notification is done through a new field introduced in
struct mlx4_ib_ucontext which holds device capabilities for which user
space must take action. This changes the binary interface so the ABI
towards libmlx4 exposed through uverbs is bumped from 3 to 4 but only
when **needed** i.e. only when the driver does use 64-byte CQEs or
future device capabilities which must be in sync by user space. This
practice allows to work with unmodified libmlx4 on older devices (e.g
A0, B0) which don't support 64-byte CQEs.
In order to keep existing systems functional when they update to a
newer kernel that contains these changes in VF and userspace ABI, a
module parameter enable_64b_cqe_eqe must be set to enable 64-byte
mode; the default is currently false.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Pull SPI updates from Grant Likely:
"Primarily SPI device driver bug fixes, one removal of an old driver,
and some new tegra support. There is some core code change too, but
all in all pretty small stuff.
The new features to note are:
- Common code for describing GPIO CS lines in the device tree
- Remove the SPI_BUFSIZ limitation on spi_write_the_read()
- core spi ensures bits_per_word is set correctly
- SPARC can now use SPI"
* tag 'spi-for-linus' of git://git.secretlab.ca/git/linux-2.6: (36 commits)
spi/sparc: Allow of_register_spi_devices for sparc
spi: Remove HOTPLUG section attributes
spi: Add support for specifying 3-wire mode via device tree
spi: Fix comparison of different integer types
spi/orion: Add SPI_CHPA and SPI_CPOL support to kirkwood driver.
spi/sh: Add SH Mobile series as dependency to MSIOF controller
spi/sh-msiof: Remove unneeded clock name
spi: Remove SPI_BUFSIZ restriction on spi_write_then_read()
spi/stmp: remove obsolete driver
spi/clps711x: New SPI master driver
spi: omap2-mcspi: remove duplicate inclusion of linux/err.h
spi: omap2-mcspi: Fix the redifine warning
spi/sh-hspi: add CS manual control support
of_spi: add generic binding support to specify cs gpio
spi: omap2-mcspi: remove duplicated include from spi-omap2-mcspi.c
spi/bitbang: (cosmetic) simplify list manipulation
spi/bitbang: avoid needless loop flow manipulations
spi/omap: fix D0/D1 direction confusion
spi: tegra: add spi driver for sflash controller
spi: Dont call master->setup if not populated
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Linux 3.7-rc8
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc.git
Pull in the changes Mark has queued up for SPI
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0384e90b8 ("spi/mcspi: allow configuration of pin directions") did what
it claimed to do the wrong way around. D0/D1 is configured as output by
*clearing* the bits in the conf registers, hence also breaking the
former default behaviour.
Fix this before that change is merged to mainline.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Tegra20/Tegra30 supports the spi interface through its SLINK
controller. Add spi driver for SLINK controller.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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'misc/spi/mcspi', 'misc/spi/mxs' and 'misc/spi/s3c64xx' into spi-next
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Allow D0 to be an input and D1 to be an output, configurable via
platform data and a new DT property.
Based on a patch from Matus Ujhelyi <matus.ujhelyi@streamunlimited.com>
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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