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2010-08-05Merge branch 'topic/misc' into for-linusTakashi Iwai
2010-08-04DMAENGINE: at_hdmac: locking fixletYong Wang
atc_chain_complete shall be called with atchan->lock held and bh disabled. Signed-off-by: Yong Wang <yong.y.wang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-08-04DMAENGINE: pch_dma: kill another usage of __raw_{read|write}lYong Wang
Use {read|write}l instead of __raw_{read|write}l since PCH DMA controller is PCI device. Signed-off-by: Yong Wang <yong.y.wang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-08-04virtio_net: implements ethtool_ops.get_drvinfoRusty Russell
I often use "ethtool -i" command to check what driver controls the ehternet device. But because current virtio_net driver doesn't support "ethtool -i", it becomes the following: # ethtool -i eth3 Cannot get driver information: Operation not supported This patch simply adds the "ethtool -i" support. The following is the result when using the virtio_net driver with my patch applied to. # ethtool -i eth3 driver: virtio_net version: N/A firmware-version: N/A bus-info: virtio0 Personally, "-i" is one of the most frequently-used option, and most network drivers support "ethtool -i", so I think virtio_net also should do. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (use ARRAY_SIZE) Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-04ppp: make channel_ops conststephen hemminger
The PPP channel ops structure should be const. Cleanup the declarations to use standard C99 format. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-05virtio_blk: Remove VBID ioctlRyan Harper
With the availablility of a sysfs device attribute for examining disk serial numbers the ioctl is no longer needed. The user-space changes for this aren't upstream yet so we don't have any users to worry about. Signed-off-by: Ryan Harper <ryanh@us.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2010-08-05virtio_blk: Add 'serial' attribute to virtio-blk devices (v2)Ryan Harper
Create a new attribute for virtio-blk devices that will fetch the serial number of the block device. This attribute can be used by udev to create disk/by-id symlinks for devices that don't have a UUID (filesystem) associated with them. ATA_IDENTIFY strings are special in that they can be up to 20 chars long and aren't required to be nul-terminated. The buffer is also zero-padded meaning that if the serial is 19 chars or less that we get a nul-terminated string. When copying this value into a string buffer, we must be careful to copy up to the nul (if it present) and only 20 if it is longer and not to attempt to nul terminate; this isn't needed. Changes since v1: - Added BUILD_BUG_ON() for PAGE_SIZE check - Removed min() since BUILD_BUG_ON() handles the check - Replaced serial_sysfs() by copying id directly to buffer Signed-off-by: Ryan Harper <ryanh@us.ibm.com> Signed-off-by: john cooper <john.cooper@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2010-08-05virtio_blk: support barriers without FLUSH featureChristoph Hellwig
If we want to support barriers with the cache=writethrough mode in qemu we need to tell the block layer that we only need queue drains to implement a barrier. Follow the model set by SCSI and IDE and assume that there is no volatile write cache if the host doesn't advertize it. While this might imply working barriers on old qemu versions or other hypervisors that actually have a volatile write cache this is only a cosmetic issue - these hypervisors don't guarantee any data integrity with or without this patch, but with the patch we at least provide data ordering. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2010-08-05agp: intel-agp: do not use PCI resources before pci_enable_device()Kulikov Vasiliy
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-05agp: efficeon-agp: do not use PCI resources before pci_enable_device()Kulikov Vasiliy
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-05drm: kill BKL from common codeArnd Bergmann
This restricts the use of the big kernel lock to the i830 and i810 device drivers. The three remaining users in common code (open, ioctl and release) get converted to a new mutex, the drm_global_mutex, making the locking stricter than the big kernel lock. This may have a performance impact, but only in those cases that currently don't use DRM_UNLOCKED flag in the ioctl list and would benefit from that anyway. The reason why i810 and i830 cannot use drm_global_mutex in their mmap functions is a lock-order inversion problem between the current use of the BKL and mmap_sem in these drivers. Since the BKL has release-on-sleep semantics, it's harmless but it would cause trouble if we replace the BKL with a mutex. Instead, these drivers get their own ioctl wrappers that take the BKL around every ioctl call and then set their own handlers as DRM_UNLOCKED. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Cc: David Airlie <airlied@linux.ie> Cc: dri-devel@lists.freedesktop.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-05drm/kms: Simplify setup of the initial I2C encoder config.Francisco Jerez
In most use cases the driver will be using the same static config all the time: interpreting i2c_board_info::platform_data as the default config we can can save the GPU driver a redundant set_config() call. Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-04drivers/net/enic: Use %pUB to format a UUIDJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-04davinci_emac: Fix use after free in davinci_emac_removeStefan Weil
free_netdev finally calls kfree which makes the contents of ndev and priv (private data contained in ndev) invalid. So iounmap should be called before free_netdev. Cc: David S. Miller <davem@davemloft.net> Cc: Chaithrika U S <chaithrika@ti.com> Cc: Sriramakrishnan <srk@ti.com> Cc: Kevin Hilman <khilman@deeprootsystems.com> Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-04via-velocity: do not use PCI resources before pci_enable_device()Kulikov Vasiliy
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-04cxgb4vf: do not use PCI resources before pci_enable_device()Kulikov Vasiliy
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-04cxgb3: do not use PCI resources before pci_enable_device()Kulikov Vasiliy
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-08-04IB/ehca: Init irq tasklet before irq can happenAlexander Schmidt
Initialize tasklet before interrupts are requested to prevent scheduling of an uninitialized tasklet. Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-08-05drm,io-mapping: Specify slot to use for atomic mappingsChris Wilson
This is required should we ever attempt to use an io-mapping where KM_USER0 is verboten, such as inside an IRQ context. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-05drm/radeon/kms: only expose underscan on avivo chipsAlex Deucher
R4xx also uses the atom add connector function, but underscan is only supported on avivo chips. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-05drm: Cleanup after failing to create master->unique and dev->nameChris Wilson
v2: Userspace (notably xf86-video-{intel,ati}) became confused when drmSetInterfaceVersion() started returning -EBUSY as they used a second call (the first done in drmOpen()) to check their master credentials. Since userspace wants to be able to repeatedly call drmSetInterfaceVersion() allow them to do so. v3: Rebase to drm-core-next. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-08-04Merge branch 'for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (48 commits) Documentation: update broken web addresses. fix comment typo "choosed" -> "chosen" hostap:hostap_hw.c Fix typo in comment Fix spelling contorller -> controller in comments Kconfig.debug: FAIL_IO_TIMEOUT: typo Faul -> Fault fs/Kconfig: Fix typo Userpace -> Userspace Removing dead MACH_U300_BS26 drivers/infiniband: Remove unnecessary casts of private_data fs/ocfs2: Remove unnecessary casts of private_data libfc: use ARRAY_SIZE scsi: bfa: use ARRAY_SIZE drm: i915: use ARRAY_SIZE drm: drm_edid: use ARRAY_SIZE synclink: use ARRAY_SIZE block: cciss: use ARRAY_SIZE comment typo fixes: charater => character fix comment typos concerning "challenge" arm: plat-spear: fix typo in kerneldoc reiserfs: typo comment fix update email address ...
2010-08-04Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (30 commits) Revert "HID: add support for the Wacom Intuos 4 wireless" HID: fix up Kconfig entry for ACRUX driver HID: add ACRUX game controller force feedback support HID: Force input registration for "VEC footpedal" HID: add HID_QUIRK_HIDINPUT_FORCE HID: hid-input.c: indentation fixes HID: hiddev: use usb_find_interface, get rid of BKL HID: ignore digitizer usage Undefined (0x00) HID: Add support for Conceptronic CLLRCMCE HID: hid-ids.h: Whitespace fixup, align using TABs HID: picolcd: implement refcounting of framebuffer HID: picolcd: do not reallocate memory on depth change HID: picolcd: Add minimal palette required by fbcon on 8bpp HID: magicmouse: Correct parsing of large X and Y motions. HID: magicmouse: report last touch up HID: picolcd: fix deferred_io init/cleanup to fb ordering HID: hid-ids.h: keep vendor ids in alphabetical order HID: add proper support for Elecom BM084 bluetooth mouse HID: magicmouse: enable horizontal scrolling HID: magicmouse: add param for scroll speed ...
2010-08-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (39 commits) random: Reorder struct entropy_store to remove padding on 64bits padata: update API documentation padata: Remove padata_get_cpumask crypto: pcrypt - Update pcrypt cpumask according to the padata cpumask notifier crypto: pcrypt - Rename pcrypt_instance padata: Pass the padata cpumasks to the cpumask_change_notifier chain padata: Rearrange set_cpumask functions padata: Rename padata_alloc functions crypto: pcrypt - Dont calulate a callback cpu on empty callback cpumask padata: Check for valid cpumasks padata: Allocate cpumask dependend recources in any case padata: Fix cpu index counting crypto: geode_aes - Convert pci_table entries to PCI_VDEVICE (if PCI_ANY_ID is used) pcrypt: Added sysfs interface to pcrypt padata: Added sysfs primitives to padata subsystem padata: Make two separate cpumasks padata: update documentation padata: simplify serialization mechanism padata: make padata_do_parallel to return zero on success padata: Handle empty padata cpumasks ...
2010-08-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (276 commits) [SCSI] zfcp: Trigger logging in the FCP channel on qdio error conditions [SCSI] zfcp: Introduce experimental support for DIF/DIX [SCSI] zfcp: Enable data division support for FCP devices [SCSI] zfcp: Prevent access on uninitialized memory. [SCSI] zfcp: Post events through FC transport class [SCSI] zfcp: Cleanup QDIO attachment and improve processing. [SCSI] zfcp: Cleanup function parameters for sbal value. [SCSI] zfcp: Use correct width for timer_interval field [SCSI] zfcp: Remove SCSI device when removing unit [SCSI] zfcp: Use memdup_user and kstrdup [SCSI] zfcp: Fix retry after failed "open port" erp action [SCSI] zfcp: Fail erp after timeout [SCSI] zfcp: Use forced_reopen in terminate_rport_io callback [SCSI] zfcp: Register SCSI devices after successful fc_remote_port_add [SCSI] zfcp: Do not try "forced close" when port is already closed [SCSI] zfcp: Do not unblock rport from REOPEN_PORT_FORCED [SCSI] sd: add support for runtime PM [SCSI] implement runtime Power Management [SCSI] convert to the new PM framework [SCSI] Unify SAM_ and SAM_STAT_ macros ...
2010-08-04Merge branch 'xen/xenbus' into upstream/xenJeremy Fitzhardinge
* xen/xenbus: implement O_NONBLOCK for /proc/xen/xenbus xenbus: do not hold transaction_mutex when returning to userspace
2010-08-04Merge branch 'upstream/pvhvm' into upstream/xenJeremy Fitzhardinge
* upstream/pvhvm: Introduce CONFIG_XEN_PVHVM compile option blkfront: do not create a PV cdrom device if xen_hvm_guest support multiple .discard.* sections to avoid section type conflicts xen/pvhvm: fix build problem when !CONFIG_XEN xenfs: enable for HVM domains too x86: Call HVMOP_pagetable_dying on exit_mmap. x86: Unplug emulated disks and nics. x86: Use xen_vcpuop_clockevent, xen_clocksource and xen wallclock. xen: Fix find_unbound_irq in presence of ioapic irqs. xen: Add suspend/resume support for PV on HVM guests. xen: Xen PCI platform device driver. x86/xen: event channels delivery on HVM. x86: early PV on HVM features initialization. xen: Add support for HVM hypercalls. Conflicts: arch/x86/xen/enlighten.c arch/x86/xen/time.c
2010-08-04Merge branch 'upstream/core' into upstream/xenJeremy Fitzhardinge
* upstream/core: xen/panic: use xen_reboot and fix smp_send_stop Xen: register panic notifier to take crashes of xen guests on panic xen: support large numbers of CPUs with vcpu info placement xen: drop xen_sched_clock in favour of using plain wallclock time pvops: do not notify callers from register_xenstore_notifier xen: make sure pages are really part of domain before freeing xen: release unused free memory
2010-08-04pvops: do not notify callers from register_xenstore_notifierStefano Stabellini
Currently register_xenstore_notifier notifies the caller during the registration itself if xenstore is believed to be ready. This behaviour causes problems to PV on HVM guests, in which case callers should be notified by xenbus_probe only after the platform pci driver is loaded. We already make sure xenbus_probe is called at the right time, calling it either from device_initcall (PV case) or from the platform pci driver initialization (HVM case) so we don't need this additional notification. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
2010-08-04RDMA/nes: Fix misindented codeRoland Dreier
In nes_probe(), a bit of code is indented one tab stop too far. Fix this. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-08-04dma: dmatest: fix potential sign bugKulikov Vasiliy
'cnt' is unsigned, so this code may become wrong in future as dmatest_add_threads() can return error code: cnt = dmatest_add_threads(dtc, DMA_MEMCPY); thread_count += cnt > 0 ? cnt : 0; ^^^^^^^ Now it can return only -EINVAL if and only if second argument of dmatest_add_threads() is not one of DMA_MEMCPY, DMA_XOR, DMA_PQ. So, now it is not wrong but may become wrong in future. The semantic patch that finds this problem (many false-positive results): (http://coccinelle.lip6.fr/) // <smpl> @ r1 @ identifier f; @@ int f(...) { ... } @@ identifier r1.f; type T; unsigned T x; @@ *x = f(...) ... *x > 0 Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-08-04RDMA/nes: Fix showing wqm_quantaRoland Dreier
In nes_show_wqm_quanta(), the wrong value is printed. Fix this. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-08-04RDMA/nes: Get rid of "set but not used" variablesRoland Dreier
Delete dead code in various places that is shown by gcc 4.6's new -Wunused-but-set-variable warnings. Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-08-04PCI: update for owner removal from struct device_attributeStephen Rothwell
Fixes the build. Acked-by: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2010-08-04ioat2: catch and recover from broken vtd configurations v6Dan Williams
On some platforms (MacPro3,1) the BIOS assigns the ioatdma device to the incorrect iommu causing faults when the driver initializes. Add a quirk to catch this misconfiguration and try falling back to untranslated operation (which works in the MacPro3,1 case). Assuming there are other platforms with misconfigured iommus teach the ioatdma driver to treat initialization failures as non-fatal (just fail the driver load and emit a warning instead of triggering a BUG_ON). This can be classified as a boot regression since 2.6.32 on affected platforms since the ioatdma module did not autoload prior to that kernel. Cc: <stable@kernel.org> Acked-by: David Woodhouse <David.Woodhouse@intel.com> Reported-by: Chris Li <lkml@chrisli.org> Tested-by: Chris Li <lkml@chrisli.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-08-04DMAENGINE: add runtime slave control to COH 901 318 v3Linus Walleij
This extends the DMA engine driver for the COH 901 318 used in the U300 platform with the generic runtime slave control command. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-08-04DMAENGINE: add runtime slave config to DMA40 v3Linus Walleij
This extends the DMA engine driver for the DMA40 used in the U8500 platform with the generic runtime slave configuration interface. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-08-04dmaengine: Driver for Topcliff PCH DMA controllerYong Wang
Topcliff PCH is the platform controller hub that is going to be used in Intel's upcoming general embedded platforms. This adds the driver for Topcliff PCH DMA controller. The DMA channels are strictly for device to host or host to device transfers and cannot be used for generic memcpy. Signed-off-by: Yong Wang <yong.y.wang@intel.com> [kill GFP_ATOMIC, kill __raw_{read|write}l, locking fixlet] Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2010-08-04RDMA/nes: Read firmware version from correct placeMiroslaw Walukiewicz
Signed-off-by: Mirek Walukiewicz <miroslaw.walukiewicz@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-08-04IB/srp: Export req_lim via sysfsBart Van Assche
Export req_lim via sysfs for debugging. Signed-off-by: Bart Van Assche <bart.vanassche@gmail.com> Acked-by: David Dillow <dave@thedillows.org> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-08-04iwlagn: Improve aggregation failure error messagesAndy Lutomirski
82ca9341763107615a15da6e59b9535d49eb91c3 added scary looking but harmless error messages. Make them clearer and make the actual failure message show up with the same severity as the harmless one. Signed-off-by: Andy Lutomirski <luto@mit.edu> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04rt2x00: do not use PCI resources before pci_enable_device()Kulikov Vasiliy
IRQ and resource[] may not have correct values until after PCI hotplug setup occurs at pci_enable_device() time. The semantic match that finds this problem is as follows: // <smpl> @@ identifier x; identifier request ~= "pci_request.*|pci_resource.*"; @@ ( * x->irq | * x->resource | * request(x, ...) ) ... *pci_enable_device(x) // </smpl> Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Acked-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04wireless: ipw2100: check result of kzalloc()Christoph Fritz
If kzalloc() fails return with -ENOMEM from ipw2100_net_init() which is called by register_netdev. CC: Dan Carpenter <error27@gmail.com> Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04ath9k: fix erased ieee80211_rx_status.mactimeJan Friedrich
ath9k_rx_skb_preprocess nulls rxs and the mactime is never set again - mactime is always 0. This causes problems in IBSS mode. ieee80211_rx_bss_info uses mactime to decide if an IBSS merge is needed. Without this patch the merge is triggered by each beacon received. This can be recognized by the "beacon TSF higher than local TSF - IBSS merge with BSSID" log message accompanying each beacon. This problem was not completely fixed in commit a6d2055b02dde1067075795274672720baadd3ca and is not a stable kernel fix. It is solely intended for wireless-testing. Signed-off-by: Jan Friedrich <jft@dev2day.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04p54pci: Add PCI ID for SMC2802WLarry Finger
The SMC2802W appears to work with p54pci. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Tested-by: David Cozatt <olbrannon@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04ath9k: fix an issue in ath_atx_tid paused flag managementLorenzo Bianconi
I noticed a possible issue in the paused flag management of the ath_atx_tid data structure. In particular, in a noisy environment and under heavy load, I observed that the AGGR session establishment could fail several times consecutively causing values of the paused flag greater than one for this TID (ath_tx_pause_tid is called more than once from ath_tx_aggr_start). Considering that the session for this TID can not be established also after the mac80211 stack calls the ieee80211_agg_tx_operational() since the ath_tx_aggr_resume() lowers the paused flag only by one. This patch also replaces some BUG_ON calls with WARN_ON, as even if these unlikely conditions happen, it's not fatal enough to justify a BUG_ON. Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04ath9k_hw: Fix regulatory CTL index usage for AR9003Luis R. Rodriguez
AR9003 was not relying on the CTL indexes from the EEPROM for capping the max output power. The CTL indexes from the EEPROM provide calibrated limits for output power for each tested and supported frequency. Without this the device operates at a power level which only conforms to the transmit spectrum mask as specified by IEEE Annex I.2.3. The regulatory limit by CRDA is always used but does not provide calibrated values for optimal performance, specially on band edges. Using the calibrated data from the EEPROM ensures the device operates at optimal output power while still ensuring proper regulatory compliance. The device uses the minimum of these tree values, the value from CRDA, the calibrated value from CTL indexex, and the value to conform to the IEEE transmit spectrum mask. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04net: wl12xx: do not use kfree'd memoryKulikov Vasiliy
wl1271_dump() uses cmd after kfree(cmd). Move kfree() just after wl1271_dump(). Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Acked-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04iwlagn: fix typo in ucode_bt_stats_read debugfsWey-Yi Guy
small typo fix in ucode_bt_stats_read debugfs file Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-08-04iwlwifi: BA scd_flow not match condition detectedWey-Yi Guy
It is a uCode bug which cause the tx queue id not match scd_flow in compressed block ack frame, and it need to be addressed in uCode. Currently, driver will log the information when it happen. Since it is possible happen very often and we do not want to fill the syslog, so don't enable the logging by default. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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