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2009-03-24ide: move error handling code to ide-eh.c (v2)Bartlomiej Zolnierkiewicz
Do some CodingStyle fixups in <linux/ide.h> while at it. v2: Add missing <linux/delay.h> include (reported by Stephen Rothwell). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: checkpatch.pl fixes for ide-iops.cBartlomiej Zolnierkiewicz
Fix following checkpatch.pl warnings/errors: - WARNING: space prohibited between function name and open parenthesis '(' - WARNING: EXPORT_SYMBOL(foo); should immediately follow its function/variable - WARNING: line over 80 characters - ERROR: trailing whitespace - ERROR: space required before the open parenthesis '(' Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: fix comments in ide_config_drive_speed()Bartlomiej Zolnierkiewicz
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: fix printk() levels in [atapi_]reset_pollfunc()Bartlomiej Zolnierkiewicz
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move standard I/O code to ide-io-std.cBartlomiej Zolnierkiewicz
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move ide_read_bcount_and_ireason() to ide-atapi.cBartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move xfer mode tuning code to ide-xfer-mode.cBartlomiej Zolnierkiewicz
* Move xfer mode tuning code to ide-xfer-mode.c. * Add CONFIG_IDE_XFER_MODE config option to be selected by host drivers that support xfer mode tuning. * Add CONFIG_IDE_XFER_MODE=n static inline versions of ide_set_pio() and ide_set_xfer_rate(). * Make IDE_TIMINGS and BLK_DEV_IDEDMA config options select IDE_XFER_MODE, also add explicit selects for few host drivers that need it. * Build/link ide-xfer-mode.o and ide-pio-blacklist.o (it is needed only by ide-xfer-mode.o) only if CONFIG_IDE_XFER_MODE=y. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move device settings code to ide-devsets.cBartlomiej Zolnierkiewicz
Remove stale comment from ide.c while at it. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move ide_do_park_unpark() to ide-park.cBartlomiej Zolnierkiewicz
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: factor out processing of special commands from ide_special_rq()Bartlomiej Zolnierkiewicz
Factor out processing of special commands from ide_special_rq() to ide_do_devset() and ide_do_park_unpark(). There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: remove ide_do_drive_cmd()Bartlomiej Zolnierkiewicz
* Use elv_add_request() instead of __elv_add_request() in ide_do_drive_cmd(). * ide_do_drive_cmd() is used only in ide-{atapi,cd}.c so inline it there. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move ide_dma_timeout_retry() to ide-dma.cBartlomiej Zolnierkiewicz
Move ide_dma_timeout_retry() to ide-dma.c and add static inline version for CONFIG_BLK_DEV_IDEDMA=n. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move drive_is_ready() to ide-io.cBartlomiej Zolnierkiewicz
Move drive_is_ready() to ide-io.c, then make it static. Also make some minor CodingStyle fixups while at it. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: unexport ide_devset_execute()Bartlomiej Zolnierkiewicz
There are no modular ide_devset_execute() users left so unexport it. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: remove stale comments from drive_is_ready()Bartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide-acpi: remove taskfile_load_raw()Bartlomiej Zolnierkiewicz
* taskfile_load_raw() is used only by do_drive_set_taskfiles() so inline it there. While at it: - rename 'args' variable to 'task' - remove struct taskfile_array - do ide_acpigtf check early - use REGS_PER_GTF Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide-acpi: cleanup do_drive_set_taskfiles()Bartlomiej Zolnierkiewicz
* ide_noacpi is already checked by ide_acpi_exec_tfs() which is the only user of do_drive_set_taskfiles(). * ide_acpi_exec_tfs() prints sufficient debug info about the device so no need to do it again. * do_drive_get_GTF() + ide_acpi_exec_tfs() make sure that this function will never be called with incorrect gtf_length argument or if device is not present. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide-acpi: cleanup do_drive_get_GTF()Bartlomiej Zolnierkiewicz
* ide_noacpi is already checked by ide_acpi_exec_tfs() which is the only user of do_drive_get_GTF(). * ide_acpi_exec_tfs() prints sufficient debug info about the device so no need to have excessive data about port/host. * It is sufficient to check for drive->acpidata->obj_handle as it will be NULL if dev == NULL or hwif->acpidata == NULL or device is not present. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: sanitize ACPI initializationBartlomiej Zolnierkiewicz
* ide_acpi_init() -> ide_acpi_init_port() * ide_acpi_blacklist() -> ide_acpi_init() * Call ide_acpi_init() only once (do it during IDE core initialization) and cleanup the function accordingly. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: add ide_for_each_present_dev() iteratorBartlomiej Zolnierkiewicz
* Add ide_for_each_present_dev() iterator and convert IDE code to use it. * Do some drive-by CodingStyle fixups in ide-acpi.c while at it. There should be no functional changes caused by this patch. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide-acpi: init ACPI handles early for devicesBartlomiej Zolnierkiewicz
Init ACPI handles for devices in ide_acpi_port_init_devices() and remove no longer needed ide_acpi_drive_get_handle(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide-acpi: no need to zero ->acpidata for devicesBartlomiej Zolnierkiewicz
ide_acpi_init() takes care of it. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: remove superfluous check from ide_proc_port_register_devices()Bartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: init_irq() doesn't need to hold ide_cfg_mtxBartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move ->lock and ->timer init from init_irq() to ide_init_port_data()Bartlomiej Zolnierkiewicz
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: no need to touch local IRQs in ide_probe_port()Bartlomiej Zolnierkiewicz
Remove superfluous local_save_flags() local_irq_enable_in_hardirq() ... local_irq_restore() combo. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: move ide_pktcmd_tf_load() to ide-atapi.cBartlomiej Zolnierkiewicz
Then make it static and remove 'dma' argument. Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24ide: fix IDE_DFLAG_NO_IO_32BIT handlingBartlomiej Zolnierkiewicz
* IDE_DFLAG_NO_IO_32BIT may be set by cmd640's ->init_dev method so don't clear it in ide_port_tune_devices() (+ no need to do it). * Move IDE_DFLAG_NO_IO_32BIT handling to ide_port_init_devices(). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2009-03-24sched: remove unused fields from struct rqLuis Henriques
Impact: cleanup, new schedstat ABI Since they are used on in statistics and are always set to zero, the following fields from struct rq have been removed: yld_exp_empty, yld_act_empty and yld_both_empty. Both Sched Debug and SCHEDSTAT_VERSION versions has also been incremented since ABIs have been changed. The schedtop tool has been updated to properly handle new version of schedstat: http://rt.wiki.kernel.org/index.php/Schedtop_utility Signed-off-by: Luis Henriques <henrix@sapo.pt> Acked-by: Gregory Haskins <ghaskins@novell.com> Acked-by: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <20090324221002.GA10061@hades.domain.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-24Merge branch 'devel' of ↵root
git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel
2009-03-24x86: use default_cpu_mask_to_apicid for 64bitYinghai Lu
Impact: cleanup Use online_mask directly on 64bit too. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Rusty Russell <rusty@rustcorp.com.au> LKML-Reference: <49C94DAE.9070300@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-24net: Add dependent headers to trace/skb.hJosh Stone
The tracing header needs to include definitions for the macros used and the types referenced. This lets automated tracing tools like SystemTap make use of the tracepoint without any specific knowledge of its meaning (leaving that to the user). Signed-off-by: Josh Stone <jistone@redhat.com> CC: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-24arp_tables: ifname_compare() can assume 16bit alignmentEric Dumazet
Arches without efficient unaligned access can still perform a loop assuming 16bit alignment in ifname_compare() Signed-off-by: Eric Dumazet <dada1@cosmosbay.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-24x86: fix set_extra_move_desc callingYinghai Lu
Impact: fix bug with irq-descriptor moving when logical flat Rusty observed: > The effect of setting desc->affinity (ie. from userspace via sysfs) has varied > over time. In 2.6.27, the 32-bit code anded the value with cpu_online_map, > and both 32 and 64-bit did that anding whenever a cpu was unplugged. > > 2.6.29 consolidated this into one routine (and fixed hotplug) but introduced > another variation: anding the affinity with cfg->domain. Is this right, or > should we just set it to what the user said? Or as now, indicate that we're > restricting it. Eric pointed out that desc->affinity should be what the user requested, if it is at all possible to honor the user space request. This bug got introduced by commit 22f65d31b "x86: Update io_apic.c to use new cpumask API". Fix it by moving the masking to before the descriptor moving ... Reported-by: Rusty Russell <rusty@rustcorp.com.au> Reported-by: Eric W. Biederman <ebiederm@xmission.com> LKML-Reference: <49C94134.4000408@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-03-24netfilter: trivial Kconfig spelling fixesJan Engelhardt
Supplements commit 67c0d57930ff9a24c6c34abee1b01f7716a9b0e2. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-24Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2009-03-24dnet: drivers/net/dnet.c needs <linux/io.h>Geert Uytterhoeven
On m68k: | drivers/net/dnet.c: In function 'dnet_readw_mac': | drivers/net/dnet.c:36: error: implicit declaration of function 'writel' | drivers/net/dnet.c:43: error: implicit declaration of function 'readl' | drivers/net/dnet.c: In function 'dnet_probe': | drivers/net/dnet.c:873: error: implicit declaration of function 'ioremap' | drivers/net/dnet.c:873: warning: assignment makes pointer from integer without a cast | drivers/net/dnet.c:939: error: implicit declaration of function 'iounmap' Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-03-24DVB: firedtv: fix printk format mismatchStefan Richter
Eliminate drivers/media/dvb/firewire/firedtv-avc.c: In function 'debug_fcp': drivers/media/dvb/firewire/firedtv-avc.c:156: warning: format '%d' expects type 'int', but argument 5 has type 'size_t' Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24ieee1394: constify device ID tablesStefan Richter
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24ieee1394: raw1394: add sparse annotations to raw1394_compat_writeStefan Richter
Eliminate the following warnings in raw1394_compat_write()'s error return path, seen on x86-64 with CONFIG_COMPAT=y: drivers/ieee1394/raw1394.c:381:17: warning: incorrect type in return expression (different address spaces) drivers/ieee1394/raw1394.c:381:17: expected char const [noderef] <asn:1>* drivers/ieee1394/raw1394.c:381:17: got void * drivers/ieee1394/raw1394.c:2252:14: warning: incorrect type in argument 1 (different address spaces) drivers/ieee1394/raw1394.c:2252:14: expected void const *ptr drivers/ieee1394/raw1394.c:2252:14: got char const [noderef] <asn:1>*[assigned] buffer drivers/ieee1394/raw1394.c:2253:19: warning: incorrect type in argument 1 (different address spaces) drivers/ieee1394/raw1394.c:2253:19: expected void const *ptr drivers/ieee1394/raw1394.c:2253:19: got char const [noderef] <asn:1>*[assigned] buffer Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24ieee1394: Storage class should be before const qualifierTobias Klauser
The C99 specification states in section 6.11.5: The placement of a storage-class specifier other than at the beginning of the declaration specifiers in a declaration is an obsolescent feature. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24ieee1394: sbp2: follow up on "ieee1394: inherit ud vendor_id from node ↵Stefan Richter
vendor_id" Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24firewire: core: optimize propagation of BROADCAST_CHANNELStefan Richter
Cache the test result of whether a device implements BROADCAST_CHANNEL. This minimizes traffic on the bus after each bus reset. A majority of devices does not implement BROADCAST_CHANNEL. Remove busy retries; just rely on the hardware to retry requests to busy responders. Remove unnecessary log messages. Rename the flag is_irm to broadcast_channel_allocated to better reflect its meaning. Reset the flag earlier in fw_core_handle_bus_reset. Pass the generation down as a call parameter; that way generation can't be newer than card->broadcast_channel_allocated and device->node_id. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24firewire: core: simplify broadcast channel allocationStefan Richter
fw-iso.c has channel allocation code now, use it. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24firewire: core: increase bus manager grace periodStefan Richter
Per IEEE 1394 clause 8.4.2.5, bus manager capable nodes which are not incumbent shall wait at least 125ms before trying to establish themselves as bus manager. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24firewire: core: drop unused call parameters of close_transactionStefan Richter
All callers inserted NULL and 0 here. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24firewire: cdev: add closure to async stream ioctlStefan Richter
This changes the as yet unreleased FW_CDEV_IOC_SEND_STREAM_PACKET ioctl to generate an fw_cdev_event_response event just like the other two ioctls for asynchronous request transmission do. This way, clients get feedback on successful or unsuccessful transmission. This also adds input validation for length, tag, channel, sy, speed. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24firewire: cdev: simplify FW_CDEV_IOC_SEND_REQUEST return valueStefan Richter
This changes the ioctl() return value of FW_CDEV_IOC_SEND_REQUEST and of the as yet unreleased FW_CDEV_IOC_SEND_BROADCAST_REQUEST. They used to return sizeof(struct fw_cdev_send_request *) + data_length which is obviously a failed attempt to emulate the return value of raw1394's respective interface which uses write() instead of ioctl(). However, the first summand, as size of a kernel pointer, is entirely meaningless to clients and the second summand is already known to clients. And the result does not resemble raw1394's write() return code anyway. So simplify it to a constant non-negative value, i.e. 0. The only dangers here would be that future client implementations check for error by ret != 0 instead of ret < 0 when running on top of an old kernel; or that current clients interpret ret = 0 or more as failure. But both are hypothetical cases which don't justify to return irritating values. While we touch this code, also remove "& 0x1f" from tcode in the call of fw_send_request. The tcode cannot be bigger than 0x1f at this point. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24firewire: cdev: fix race of ioctl_send_request with bus resetStefan Richter
The bus reset handler concurrently frees client->device->node. Use device->node_id instead. This is equivalent to device->node->node_id while device->generation is current. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2009-03-24firewire: cdev: secure add_descriptor ioctlStefan Richter
The access permissions and ownership or ACL of /dev/fw* character device files will typically be set based on the device type of the respective nodes, as obtained by firewire-core from descriptors in the device's configuration ROM. An example policy is to deny write permission by default but grant write permission to files of AV/C video and audio devices and IIDC video devices. The FW_CDEV_IOC_ADD_DESCRIPTOR ioctl could be used to partly subvert such a policy: Find a device file with relaxed permissions, use the ioctl to add a descriptor with AV/C marker to the local node's ROM, thus gain access to the local node's character device file. (This is only possible if there are udev scripts installed which actively relax permissions for known device types and if there is a device of such a type connected.) Accessibility of the local node's device file is relevant to host security if the host contains two or more IEEE 1394 link layer controllers which are plugged into a single bus. Therefore change the ABI to deny FW_CDEV_IOC_ADD_DESCRIPTOR if the file belongs to a remote node. (This change has no impact on known implementers of the ABI: None of them uses the ioctl yet.) Also clarify the documentation: The ioctl affects all local nodes, not just one local node. Cc: stable@kernel.org Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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