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* Bluetooth: Convert Marvell driver to use per adapter debugfsMarcel Holtmann2010-02-271-7/+7
| | | | | | | | The debugfs support of the Marvell driver is buggy. It is limited to one controller per system. Fix this by using the controller specific debugfs directory as parent. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Convert controller hdev->type to hdev->busMarcel Holtmann2010-02-2711-11/+11
| | | | | | | The hdev->type is misnamed and should be actually hdev->bus instead. So convert it now. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add missing kfree() on error path in Atheros driverDan Carpenter2010-02-271-0/+2
| | | | | | | Add a couple kfree() calls on an error path. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Make USB device id constantMárton Németh2010-02-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The id_table field of the struct usb_device_id is constant in <linux/usb.h> so it is worth to make bcm203x_table also constant. The semantic match that finds this kind of pattern is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ disable decl_init,const_decl_init; identifier I1, I2, x; @@ struct I1 { ... const struct I2 *x; ... }; @s@ identifier r.I1, y; identifier r.x, E; @@ struct I1 y = { .x = E, }; @c@ identifier r.I2; identifier s.E; @@ const struct I2 E[] = ... ; @depends on !c@ identifier r.I2; identifier s.E; @@ + const struct I2 E[] = ...; // </smpl> Signed-off-by: Márton Németh <nm127@freemail.hu> Cc: Julia Lawall <julia@diku.dk> Cc: cocci@diku.dk Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add __init/__exit macros to Marvell SDIO driverPeter Huewe2010-02-271-2/+2
| | | | | | | | Trivial patch which adds the __init/__exit macros to the module_init/ module_exit functions of btmrvl_sdio.c driver. Signed-off-by: Peter Huewe <peterhuewe@gmx.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix memory leak in Marvell BT-over-SDIO driverYoichi Yuasa2010-02-041-0/+1
| | | | | Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add DFU driver for Atheros Bluetooth chipset AR3011Vikram Kandukuri2010-01-303-1/+200
| | | | | | | Signed-off-by: Vikram Kandukuri <vikram.kandukuri@atheros.com> Signed-off-by: Alicke Xu <sxu@atheros.com> Reviewed-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Redo checks in IRQ handler for shared IRQ supportMike Frysinger2010-01-304-4/+12
| | | | | | | | | | | | | | Commit ac019360fe3 changed the irq handler logic to BUG_ON rather than returning IRQ_NONE when the incoming argument is invalid. While this works in most cases, it doesn't work when the IRQ is shared with other devices (or when DEBUG_SHIRQ is enabled). So revert the previous change and replace the warning message with a comment explaining that we want this behavior. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Prevent ill-timed autosuspend in USB driverOliver Neukum2009-12-171-0/+1
| | | | | | | | The device must be marked busy as it receives data. Signed-off-by: Oliver Neukum <oliver@neukum.org> Tested-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* USB: remove the auto_pm flagAlan Stern2009-12-111-1/+1
| | | | | | | | | | | This patch (as1302) removes the auto_pm flag from struct usb_device. The flag's only purpose was to distinguish between autosuspends and external suspends, but that information is now available in the pm_message_t argument passed to suspend methods. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Merge branch 'for-linus' of ↵Linus Torvalds2009-12-102-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (42 commits) tree-wide: fix misspelling of "definition" in comments reiserfs: fix misspelling of "journaled" doc: Fix a typo in slub.txt. inotify: remove superfluous return code check hdlc: spelling fix in find_pvc() comment doc: fix regulator docs cut-and-pasteism mtd: Fix comment in Kconfig doc: Fix IRQ chip docs tree-wide: fix assorted typos all over the place drivers/ata/libata-sff.c: comment spelling fixes fix typos/grammos in Documentation/edac.txt sysctl: add missing comments fs/debugfs/inode.c: fix comment typos sgivwfb: Make use of ARRAY_SIZE. sky2: fix sky2_link_down copy/paste comment error tree-wide: fix typos "couter" -> "counter" tree-wide: fix typos "offest" -> "offset" fix kerneldoc for set_irq_msi() spidev: fix double "of of" in comment comment typo fix: sybsystem -> subsystem ...
| * Merge branch 'for-next' into for-linusJiri Kosina2009-12-072-2/+2
| |\ | | | | | | | | | | | | | | | Conflicts: kernel/irq/chip.c
| | * tree-wide: fix assorted typos all over the placeAndré Goddard Rosa2009-12-042-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | That is "success", "unknown", "through", "performance", "[re|un]mapping" , "access", "default", "reasonable", "[con]currently", "temperature" , "channel", "[un]used", "application", "example","hierarchy", "therefore" , "[over|under]flow", "contiguous", "threshold", "enough" and others. Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | | Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller2009-12-064-41/+13Star
|\| | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/pcmcia/fmvj18x_cs.c drivers/net/pcmcia/nmclan_cs.c drivers/net/pcmcia/xirc2ps_cs.c drivers/net/wireless/ray_cs.c
| * | Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6Linus Torvalds2009-12-054-41/+13Star
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6: (50 commits) pcmcia: rework the irq_req_t typedef pcmcia: remove deprecated handle_to_dev() macro pcmcia: pcmcia_request_window() doesn't need a pointer to a pointer pcmcia: remove unused "window_t" typedef pcmcia: move some window-related code to pcmcia_ioctl.c pcmcia: Change window_handle_t logic to unsigned long pcmcia: Pass struct pcmcia_socket to pcmcia_get_mem_page() pcmcia: Pass struct pcmcia_device to pcmcia_map_mem_page() pcmcia: Pass struct pcmcia_device to pcmcia_release_window() drivers/pcmcia: remove unnecessary kzalloc pcmcia: correct handling for Zoomed Video registers in topic.h pcmcia: fix printk formats pcmcia: autoload module pcmcia pcmcia/staging: update comedi drivers PCMCIA: stop duplicating pci_irq in soc_pcmcia_socket PCMCIA: ss: allow PCI IRQs > 255 PCMCIA: soc_common: remove 'dev' member from soc_pcmcia_socket PCMCIA: soc_common: constify soc_pcmcia_socket ops member PCMCIA: sa1111: remove duplicated initializers PCMCIA: sa1111: wrap soc_pcmcia_socket to contain sa1111 specific data ...
| | * | pcmcia: rework the irq_req_t typedefDominik Brodowski2009-11-284-12/+4Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most of the irq_req_t typedef'd struct can be re-worked quite easily: (1) IRQInfo2 was unused in any case, so drop it. (2) IRQInfo1 was used write-only, so drop it. (3) Instance (private data to be passed to the IRQ handler): Most PCMCIA drivers using pcmcia_request_irq() to actually register an IRQ handler set the "dev_id" to the same pointer as the "priv" pointer in struct pcmcia_device. Modify the two exceptions (ipwireless, ibmtr_cs) to also work this waym and set the IRQ handler's "dev_id" to p_dev->priv unconditionally. (4) Handler is to be of type irq_handler_t. (5) Handler != NULL already tells whether an IRQ handler is present. Therefore, we do not need the IRQ_HANDLER_PRESENT flag in irq_req_t.Attributes. CC: netdev@vger.kernel.org CC: linux-bluetooth@vger.kernel.org CC: linux-ide@vger.kernel.org CC: linux-wireless@vger.kernel.org CC: linux-scsi@vger.kernel.org CC: alsa-devel@alsa-project.org CC: Jaroslav Kysela <perex@perex.cz> CC: Jiri Kosina <jkosina@suse.cz> CC: Karsten Keil <isdn@linux-pingi.de> for the Bluetooth parts: Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| | * | pcmcia: deprecate CS_CHECK (bluetooth)Dominik Brodowski2009-11-084-29/+9Star
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove all usages of the CS_CHECK macro and replace them with proper Linux style calling and return value checking. The extra error reporting may be dropped, as the PCMCIA core already complains about any (non-driver-author) errors. CC: linux-bluetooth@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
* | | Bluetooth: Declare MODULE_FIRMWARE for Marvell SDIO driverBen Hutchings2009-12-031-0/+2
| | | | | | | | | | | | | | | Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | | Bluetooth: Enable auto sleep mode for btmrvl driverAmitkumar Karwar2009-12-033-22/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | The auto sleep mode for btmrvl driver is not enabled by default. This patch enables auto sleep mode when card is probed. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | | Bluetooth: Fix miscdev ops owner for virtual driverMarcel Holtmann2009-12-031-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | The /dev/vhci ops don't refer to the module and so it is possible to unload the module while the file descriptor is in use. This was an accidental removal after the cleanup. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | | Bluetooth: Remove unused global minor variableMarcel Holtmann2009-12-031-10/+2Star
| | | | | | | | | | | | | | | | | | | | | After the removal of the module parameter for setting the minor number, this variable became unused. So just remove it. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | | Bluetooth: Remove stub ioctl in hci_vhciThomas Gleixner2009-12-031-7/+0Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the empty ioctl which just returns -EINVAL. vfs_ioctl() will return -ENOTTY instead, but I doubt that any application will notice the difference :) Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | | Bluetooth: Removal of unused variable in btmrvl driverRahul Tank2009-12-031-1/+0Star
|/ / | | | | | | | | | | | | | | | | This patch removes unused variable "drvdbg" from btmrvl_debugfs_data structure. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* | fix memory leak in fixed btusb_closeOliver Neukum2009-11-141-1/+3
| | | | | | | | | | | | | | | | | | | | If the waker is killed before it can replay outstanding URBs, these URBs won't be freed or will be replayed at the next open. This patch closes the window by explicitely discarding outstanding URBs. Signed-off-by: Oliver Neukum <oliver@neukum.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | btusb bluetooth driver: wait for 'waker' work too before closingLinus Torvalds2009-11-111-0/+1
|/ | | | | | | | | | | | | | | | | | | | | Rafael debugged a resume-time hang (with oopses in workqueue handling) on his laptop that was due to the 'waker' workqueue entry being disconnected and then released without the workqueue entry having been synchronized. Several people were involved, with Oleg Nesterov doing a debugging patch showing what workqueue entry was corrupt etc. This was a regression introduced by commit 7bee549e19 ("Bluetooth: Add USB autosuspend support to btusb driver") as Rafael points out (not actually bisected, but it became clear once the bug was found). Tested-and-reported-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Oliver Neukum <oliver@neukum.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Tejun Heo <tj@kernel.org> Cc: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* pcmcia: dtl1_cs: fix pcmcia_loop_config logicPhilipp Zabel2009-09-151-1/+1
| | | | | | | | | | | pcmcia_loop_config returns 0 on success. [wsa: added '< 0' for better readability] Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Bluetooth: Add USB autosuspend support to btusb driverOliver Neukum2009-08-251-20/+174
| | | | | | | | | | | | | | | | | | | | This patch adds support of USB autosuspend to the btusb driver. If the device doesn't support remote wakeup, simple support based on up/down is provided. If the device supports remote wakeup, additional support for autosuspend while the interface is up is provided. This is done by queueing URBs in an anchor structure and waking the device up from a work queue on sending. Reception triggers remote wakeup. The last busy facility of the USB autosuspend code is used. To close a race between autosuspend and transmission, a counter of ongoing transmissions is maintained. Add #ifdefs for CONFIG_PM as necessary. Signed-off-by: Oliver Neukum <oliver@neukum.org> Tested-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix false errors from bcsp_pkt_cull functionWending Weng2009-08-241-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | The error message "Removed only %u out of %u pkts" is printed when multiple to be acked packets are queued. if (i++ >= pkts_to_be_removed) break; This will break out of the loop and increase the counter i when i==pkts_to_be_removed and the loop ends up with i=pkts_to_be_removed+1. The following line if (i != pkts_to_be_removed) { BT_ERR("Removed only %u out of %u pkts", i, pkts_to_be_removed); } will then display the false message. The counter i must not increase on the same statement. Signed-off-by: Wending Weng <wweng@rheinmetall.ca> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add missing kmalloc NULL tests to Marvell driverJulia Lawall2009-08-221-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Check that the result of kmalloc is not NULL before dereferencing it. The patch also replaces kmalloc + memset by kzalloc. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression *x; identifier f; constant char *C; @@ x = \(kmalloc\|kcalloc\|kzalloc\)(...); ... when != x == NULL when != x != NULL when != (x || ...) ( kfree(x) | f(...,C,...,x,...) | *f(...,x,...) | *x->f ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix incorrect alignment in Marvell BT-over-SDIO driverBing Zhao2009-08-222-6/+9
| | | | | | | | | The driver uses "u32" for alignment check and calculation which works only on 32-bit system. It will crash the 64-bit system. Replace "u32" with "unsigned long" to fix this issue. Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove Enter/Leave debug statements from Marvell driverMarcel Holtmann2009-08-222-219/+23Star
| | | | | | | | | The Marvell Bluetooth driver is full of Enter/Leave debug statements and all of them are really pointless and only clutter the code. Seems to be some left-overs when they ported the driver from Windows. For the Linux driver lets remove these. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix last few compiler warning within Marvell core driverMarcel Holtmann2009-08-221-4/+4
| | | | | | | After fixing the driver to use skb_put properly for their HCI commands only a few compiler warnings are left. Add proper casting for them. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix Marvell driver to use skb_put and hci_opcode_packMarcel Holtmann2009-08-221-14/+8Star
| | | | | | | | The Marvell driver has some weird quirks on how to construct proper SKBs with Bluetooth HCI commands. Fix it to use skb_put properly and also use hci_opcode_pack instead of self-crafted macro. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove private device name of Marvell SDIO driverMarcel Holtmann2009-08-222-5/+0Star
| | | | | | | | For some reason the btmrvl_device struct has a name field that the SDIO fills in, but then never ever uses again. That is totally pointless and so just remove it. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix module description strings for Marvell driverMarcel Holtmann2009-08-222-2/+2
| | | | | | | Make the module description entries for the core and also the Marvell SDIO driver match common practive inside the Bluetooth subsystem. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix complicated assignment of firmware for Marvell devicesMarcel Holtmann2009-08-222-53/+38Star
| | | | | | | | | | | The Marvell Bluetooth SDIO driver has a really complicated concept on how firmware names are assigned to specific device ids. Fix that by doing a proper structure and assign it to the module device table. And while at it fix various coding style weirdness that is still present in this driver. Signed-off-by: Marcel Holtman <marcel@holtmann.org>
* Bluetooth: Some coding style cleanup for Marvell core driverMarcel Holtmann2009-08-221-52/+45Star
| | | | | | | | The Marvell core Bluetooth driver has various weird casting and unneeded braces in its code that makes it hard to read. Remove all of these to make the code a little bit simpler. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove pointless casts from Marvell debugfs supportMarcel Holtmann2009-08-221-143/+106Star
| | | | | | | | The Marvell Bluetooth driver has debugfs support and they are casting like there is no tomorrow. Remove all of them and magically the code becomes more readable. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Remove pointless ifdef protection for Marvell header filesMarcel Holtmann2009-08-222-10/+0Star
| | | | | | | | | Both header files of the Marvell Bluetooth driver are private anyway and if the driver happens to include them twice or they create a circular dependency then the driver needs fixing. So just remove both pointless ifdefs. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix compilation of Marvell driver without debugfsMarcel Holtmann2009-08-221-1/+3
| | | | | | | | | The Makefile entry for the Marvell driver is broken when it comes to handling the optional DEBUG_FS correctly. That must have been the reason why they were using select in Kconfig in the first place. Fix this and make it really optional. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Fix Kconfig for Marvell Bluetooth driverMarcel Holtmann2009-08-221-2/+1Star
| | | | | | | | | | The Marvell driver selects DEBUG_FS and FW_LOADER for its core driver and that is pointless. Don't select DEBUG_FS since it is either enabled or not and it is not for the driver to enable it. Also FW_LOADER is only used within the SDIO driver and so just have that one select the FW_LOADER option. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add debugfs support to btmrvl driverBing Zhao2009-08-225-1/+487
| | | | | | | | | | | | | | /debug/btmrvl/config/ /debug/btmrvl/status/ See Documentation/btmrvl.txt for details. This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add Marvell BT-over-SDIO driverBing Zhao2009-08-224-0/+1255
| | | | | | | | | | | | | | | This driver supports Marvell Bluetooth enabled devices with SDIO interface. Currently only SD8688 chip is supported. The helper/firmware images of SD8688 can be downloaded from this tree: git://git.infradead.org/users/dwmw2/linux-firmware.git This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Add btmrvl driver for Marvell Bluetooth devicesBing Zhao2009-08-224-0/+867
| | | | | | | | | | | | | This driver provides basic definitions and library functions to support Marvell Bluetooth enabled devices, such as 88W8688 WLAN/BT combo chip. This patch incorporates a lot of comments given by Nicolas Pitre <nico@marvell.com>. Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank <rahult@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* Bluetooth: Improve USB driver throughput by increasing the frame sizeVikram Kandukuri2009-08-221-3/+1Star
| | | | | | | | | | | | This patch increases the receive buffer size to HCI_MAX_FRAME_SIZE which improves the RX throughput considerably. Tested against BRM/Atheros/CSR USB Dongles with PAN profile using iperf and chariot. This gave significant (around 40%) increase in performance (increased from 0.8 to 1.5 Mb/s in Sheld room) Signed-off-by: Vikram Kandukuri <vikram.kandukuri@atheros.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
* headers: smp_lock.h reduxAlexey Dobriyan2009-07-121-1/+0Star
| | | | | | | | | | | | | * Remove smp_lock.h from files which don't need it (including some headers!) * Add smp_lock.h to files which do need it * Make smp_lock.h include conditional in hardirq.h It's needed only for one kernel_locked() usage which is under CONFIG_PREEMPT This will make hardirq.h inclusion cheaper for every PREEMPT=n config (which includes allmodconfig/allyesconfig, BTW) Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'master' of ↵David S. Miller2009-06-151-3/+2Star
|\ | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: Documentation/feature-removal-schedule.txt drivers/scsi/fcoe/fcoe.c net/core/drop_monitor.c net/core/net-traces.c
| * tty: fix bluetooth scribbling on low latency flagsAlan Cox2009-06-111-1/+0Star
| | | | | | | | | | | | | | | | | | | | Bluetooth shouldn't be doing this as most drivers don't support the flag, furthermore it shouldn't be needed with newer buffering. This becomes rather more visible as the locking fixes make the abuse of low_latency visible as spew on the users console/dmesg. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| * tty: rewrite the ldisc lockingAlan Cox2009-06-111-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are several pretty much unfixable races in the old ldisc code, especially with respect to pty behaviour and also to hangup. It's easier to rewrite the code than simply try and patch it up. This patch - splits the ldisc from the tty (so we will be able to refcount it more cleanly later) - introduces a mutex lock for ldisc changing on an active device - fixes the complete mess that hangup caused - implements hopefully correct setldisc/close/hangup locking There are still some problems around pty pairs that have always been there but at least it is now possible to understand the code and fix further problems. This fixes the following known bugs - hang up can leak ldisc references - hang up may not call open/close on ldisc in a matched way - pty/tty pairs can deadlock during an ldisc change - reading the ldisc proc files can cause every ldisc to be loaded and probably a few other of the mysterious ldisc race reports. I'm sure it also adds the odd new one. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Bluetooth: Fix issue with uninitialized nsh.type in DTL-1 driverMarcel Holtmann2009-06-141-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | The current build shows a warning with the DTL-1 driver: CC [M] drivers/bluetooth/dtl1_cs.o drivers/bluetooth/dtl1_cs.c: In function ‘dtl1_hci_send_frame’: drivers/bluetooth/dtl1_cs.c:396: warning: ‘nsh.type’ may be used uninitialized in this function Fix this by adding a proper error for unknown packet types. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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