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2010-10-26[SCSI] qla4xxx: Fix cmd check in qla4xxx_cmd_waitMike Christie
If the command has timedout then the block layer has called blk_mark_rq_complete. If qla4xxx_cmd_wait is then called from qla4xxx_eh_host_reset, we will always fail, because if the driver calls scsi_done then the the block layer will fail at blk_complete_request's blk_mark_rq_complete call instead of calling the normal completion path including the function, blk_queue_end_tag, which releases the tag. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] megaraid_sas: Version and documentation updateYang, Bo
Signed-off-by Bo Yang <bo.yang@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26netfilter: Add missing CONFIG_SYSCTL checks in ipv6's nf_conntrack_reasm.cDavid S. Miller
Reported-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-26[SCSI] megaraid_sas: Add three times Online controller resetYang, Bo
If fw didn't raise the interrupt with the fw state change to driver and fw goes to failure state, driver Will check the FW state in driver's timeout routine and issue the reset if need. Driver will do the OCR upto three times until kill adapter. Also driver will issue OCR before driver kill adapter even if fw in operational state. Signed-off-by Bo Yang <bo.yang@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] megaraid_sas: Add input parameter for max_sectorsYang, Bo
Driver add the input parameters support for max_sectors for megaraid sas gen2 chip. Customer can set the max_sectors support to 1MB for gen2 chip during the driver load. Signed-off-by Bo Yang <bo.yang@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] megaraid_sas: support devices update flagYang, Bo
Driver added the Device update flag to tell LSI application driver whether to do the device Update. LSI MegaRAID SAS application will check this flag to decide if it needs to update the Device or not. Signed-off-by Bo Yang <bo.yang@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26sparc: Fixed random SPARC/LEON SMP CPU Stuck problem.Daniel Hellstrom
Signed-off-by: Daniel Hellstrom <daniel@gaisler.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-26sparc32: remove CONFIG_HAVE_PERF_EVENTS optionNamhyung Kim
Remove HAVE_PERF_EVENTS and PERF_USE_VMALLOC under config SPARC because they're under SPARC64 too. Supporting perf_event needs atomic64 operations but AFAIK sparc32 doesn't provide them, CMIIW. ;-) Also removes redundant HAVE_IRQ_WORK line. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-26sparc: don't #include asm/system.h in asm/jump_label.hNamhyung Kim
It seems that #include <asm/system.h> makes a circular dependency between kernel.h and bitmap.h which breaks allmodconfig build. Removing the line makes no change because jump_label.h doesn't need it actually AFAICS. Compile tested on sparc32 allmodconfig. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-26sparc32: Fix unaligned stack handling on trap return.David S. Miller
When the rett stack checking code sees the stack is unaligned (in both the sun4c and srmmu cases) it jumps to the window fault-in path. But that just tries to page the stack pages in, it doesn't do anything special if the stack is misaligned. Therefore we essentially just loop forever in the trap return path. Fix this by emitting a SIGILL in the stack fault-in code if the stack is mis-aligned. Reported-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-26sparc: keep calling do_signal() as long as pending signals remainAl Viro
Analog of what commit 494486a1d2697f2153199b6501ab5b4d6e15a2bb had done to alpha (another architecture with similar bug). One note: in rtrap_32.S part clr %l6 has been a rudiment of left after commit 28e6103665301ce60634e8a77f0b657c6cc099de (sparc: Fix debugger syscall restart interactions) has killed %l6 use in there. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-10-26[SCSI] libosd: write/read_sg_kern APIBoaz Harrosh
This is a trivial addition to the SG API that can receive kernel pointers. It is only used by the out-of-tree test module. So it's immediate need is questionable. For maintenance ease it might just get in, as it's very small. John. do you need this in the Kernel, or is it only for osd_ktest.ko? Signed-off-by: John A. Chandy <john.chandy@uconn.edu> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] libosd: Support for scatter gather write/read commandsBoaz Harrosh
This patch adds the Scatter-Gather (sg) API to libosd. Scatter-gather enables a write/read of multiple none-contiguous areas of an object, in a single call. The extents may overlap and/or be in any order. The Scatter-Gather list is sent to the target in what is called a "cdb continuation segment". This is yet another possible segment in the osd-out-buffer. It is unlike all other segments in that it sits before the actual "data" segment (which until now was always first), and that it is signed by itself and not part of the data buffer. This is because the cdb-continuation-segment is considered a spill-over of the CDB data, and is therefor signed under OSD_SEC_CAPKEY and higher. TODO: A new osd_finalize_request_ex version should be supplied so the @caps received on the network also contains a size parameter and can be spilled over into the "cdb continuation segment". Thanks to John Chandy <john.chandy@uconn.edu> for the original code, and investigations. And the implementation of SG support in the osd-target. Original-coded-by: John Chandy <john.chandy@uconn.edu> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] libosd: Free resources in reverse order of allocationBoaz Harrosh
At osd_end_request first free the request that might point to pages, then free these pages. In reverse order of allocation. For now it's just anal neatness. When we'll use mempools It'll also pay in performance. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] libosd: Fix bug in attr_page handlingBoaz Harrosh
The _osd_req_finalize_attr_page was off by a mile, when trying to append the enc_get_attr segment instead of the proper set_attr segment. Also properly support when we don't have any attribute to set while getting a full page. And when clearing an attribute by setting it's size to zero. Reported-by: John Chandy <john.chandy@uconn.edu> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] lpfc 8.3.18: Update lpfc driver version to 8.3.18James Smart
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] lpfc 8.3.18: Add new WQE supportJames Smart
- Add new WQE fields as defined by new SLI interface to support new hardware. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] lpfc 8.3.18: Fix critical errorsJames Smart
Fix critical errors - Update send_scsi_event to validate pnode pointer active before copying the wwpn information. - Add a message, mailbox_idle, and unlock before failing SECURITY_MGMT or AUTH_PORT mailbox commands - Prevent spin_lock_irqsave from being called twice in a row. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] lpfc 8.3.18: Adapter Shutdown and Unregistration cleanupJames Smart
Adapter Shutdown and Unregistration cleanup - Correct the logic around hba shutdown. Prior to final reset, the driver must wait for all XRIs to return from the adapter. Added logic to poll, progressively slowing the poll rate as delay gets longer. - Correct behavior around the rsvd1 field in UNREG_RPI_ALL mailbox completion and final rpi cleanup. - Updated logic to move pending VPI registrations to their completion in cases where a CVL may be received while registration in progress. - Added unreg all rpi mailbox command before unreg vpi. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26[SCSI] lpfc 8.3.18: Add logic to detect last devloss timeoutJames Smart
Added driver logic to detect the last devloss timeout of remote nodes which was still in use of FCF. At that point, the driver should set the last in-use remote node devloss timeout flag if it was not already set and should perform proper action on the in-use FCF and recover of FCF from firmware, depending on the state the driver's FIP engine is in. Find eligible FCF through FCF table rescan or the next new FCF event when FCF table rescan turned out empty eligible FCF, and the successful flogi into an FCF shall clear the HBA_DEVLOSS_TMO flag, indicating the successful recovery from devloss timeout. [jejb: add delay.h include to lpfc_hbadisc.c to fix ppc compile] Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-26perf record: Remove newline character from perror() argumentMatt Fleming
If we include a newline character in the string argument to perror() then the output will be split across two lines like so, Unable to read perf file descriptor : No space left on device Deleting the newline character prints a much more readable error, Unable to read perf file descriptor: No space left on device Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <89e77b54659bc3798b23a5596c2debb7f6f4cf27.1283010281.git.matt@console-pimps.org> Signed-off-by: Matt Fleming <matt@console-pimps.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@felicio.ghostprotocols.net>
2010-10-26ARM: imx: Add wake functionality to GPIODinh Nguyen
Add function definition for irq_chip.set_wake to enable GPIO to wake-up the system. This patch has been tested on a MX51 Babbage system that had suspend code implemented. The set_wake implementation is necessary for a GPIO to wake up a system from suspend. Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-10-26ARM: mx5: Add gpio-keys to mx51 babbage boardDinh Nguyen
Add functionality for the power button on MX51 Babbage board. Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-10-26ARM: imx: Add gpio-keys to plat-mxcDinh Nguyen
Add imx_add_gpio_keys function to add gpio-keys in plat-mxc Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-10-26mx31_3ds: Fix spi registrationRogerio Pimentel
Commit (06606ff13) "ARM: imx: dynamically register spi_imx devices (imx31)" registered the wrong SPI port for mx31_3ds board. mx31_3ds uses SPI2 to connect to the MC13783 PMIC. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Rogerio Pimentel <rogerio.pimentel@freescale.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-10-26mx31_3ds: Fix the logic for detecting the debug boardRogerio Pimentel
The function mxc_expio_init returns 0 on success, so fix the logic for printing the error case. Also fixed the wording on the error message. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Rogerio Pimentel <rogerio.pimentel@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
2010-10-26Merge branch 'tip/perf/ringbuffer-2' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent
2010-10-26Revert "mtd: cleanup Kconfig dependencies"David Woodhouse
This reverts commit 432dc821c90114f9b0e00f6752a700e937516ade. The individual CFI geometry options were carefully set up to get sane default values if the CFI_ADV_OPTIONS wasn't set, and it wasn't appropriate to move them into an if/endif block. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-26mtd: cfi_cmdset_0002: make sector erase command variableGuillaume LECERF
Some old SST chips use 0x50 as sector erase command, instead of 0x30. Make this value variable to handle such chips. Signed-off-by: Guillaume LECERF <glecerf@gmail.com> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-26mtd: cfi_cmdset_0002: add CFI detection for SST 38VF640x chipsGuillaume LECERF
Add support for SST38VF640x chips in CFI mode. Signed-off-by: Guillaume LECERF <glecerf@gmail.com> Signed-off-by: yidong zhang <zhangyd6@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-26mtd: cfi_util: add support for switching SST 39VF640xB chips into QRY modeGuillaume LECERF
Signed-off-by: Guillaume LECERF <glecerf@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-26mtd: cfi_cmdset_0001: use defined value of P_ID_INTEL_PERFORMANCE instead of ↵Guillaume LECERF
hardcoded one Signed-off-by: Guillaume LECERF <glecerf@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-26block2mtd: dubious assignmentNicolas Kaiser
When block2mtd_erase fails, a duplicated assignment instantly changes instr->state from MTD_ERASE_FAILED to MTD_ERASE_DONE. It looks to me like this might not be intended, or is it? Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Acked-By: Joern Engel <joern@logfs.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2010-10-26AT91: rtc: enable built-in RTC in Kconfig for at91sam9g45 familyNicolas Ferre
Enable built-in RTC IP in Kconfig and modify comments and help messages. RTT as RTC is still available but should not be selected in common case. Reported-by: Yegor Yefremov <yegor_sub1@visionsystems.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26at91/atmel-mci: inclusion of sd/mmc driver in at91sam9g45 chip and boardNicolas Ferre
This adds the support of atmel-mci sd/mmc driver in at91sam9g45 devices and board files. This also configures the DMA controller slave interface for at_hdmac dmaengine driver. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26AT91: pm: make sure that r0 is 0 when dealing with cache operationsNicolas Ferre
When using CP15 cache operations (c7), we make sure that Rd (r0) is actually 0 as ARM 926 TRM is saying. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26AT91: pm: use plain cpu_do_idle() for "wait for interrupt"Nicolas Ferre
For power management at91_pm_enter() routine, use the cpu_do_idle() for a rock solid "wait for interrupt" implementation. For AT91SAM9 ARM 926 based chips, we can exceed the cache line length as we can access RAM even while in self-refresh mode. We keep plain access to CP15 for at91rm9200 as this feature is not available: instructions have to be in a single cache line. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26AT91: reset: extend alternate reset procedure to several chipsNicolas Ferre
Several at91sam9 chips need the alternate reset procedure to be sure to halt SDRAM smoothly before resetting the chip. This is an extension of previous patch "Fix AT91SAM9G20 reset" to all chips affected. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26AT91: reset routine cleanup, remove not needed icache flushNicolas Ferre
Generalize assembler reset routine to allow use on several at91sam9 chips. This patch replace double definitions of SDRAM controller registers and RSTC registers with use of classical header files. For this rework, we remove the not needed icache flush as it is already done in the calling function: arm_machine_restart(). Rename at91sam9g20_reset.S to generalize to several chips. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26AT91: trivial: align comment of at91sam9g20_reset with one more tabNicolas Ferre
Preparing next patch with longer names Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26AT91: Fix AT91SAM9G20 reset as per the errata in the data sheetPeter Horton
If the SDRAM is not cleanly shutdown before reset it can be left driving the bus, which then stops the bootloader booting from NAND. Signed-off-by: Peter Horton <phorton@bitbox.co.uk> [nicolas.ferre@atmel.com: change file header line order] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26AT91: add board support for Pcontrol_G20Peter Gsellmann
Board is a carrier board for Stamp9G20, with additional peripherals for a building automation system Signed-off-by: Peter Gsellmann <pgsellmann@portner-elektronik.at> [nicolas.ferre@atmel.com: remove machine_desc.io_pg_offst and .phys_io] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2010-10-26ACPI: install ACPI table handler before any dynamic tables being loadedZhang Rui
ACPI table sysfs I/F is broken by commit 78f1699659963fff97975df44db6d5dbe7218e55 Author: Alex Chiang <achiang@hp.com> Date: Sun Dec 20 12:19:09 2009 -0700 ACPI: processor: call _PDC early because dynamic SSDT tables may be loaded in _PDC, before installing the ACPI table handler. As a result, the sysfs I/F of these dynamic tables are located at /sys/firmware/acpi/tables instead of /sys/firmware/acpi/tables/dynamic, which is not true. Invoke acpi_sysfs_init() before acpi_early_processor_set_pdc(), so that the table handler is installed before any dynamic tables loaded. https://bugzilla.kernel.org/show_bug.cgi?id=21142 CC: Dennis Jansen <dennis.jansen@web.de> CC: Alex Chiang <achiang@hp.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2010-10-26genirq: Add single IRQ reservation helperPaul Mundt
For cases that wish to reserve a single IRQ at a given place simply provide a wrapper in to the ranged reservation routine. Signed-off-by: Paul Mundt <lethal@linux-sh.org> LKML-Reference: <20101026071912.GD4733@linux-sh.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2010-10-26Merge branch 'perf/core' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/urgent
2010-10-26sh: Switch dynamic IRQ creation to generic irq allocator.Paul Mundt
Now that the genirq code provides an IRQ bitmap of its own and the necessary API to manipulate it, there's no need to keep our own version around anymore. In the process we kill off some unused IRQ reservation code, with future users now having to tie in to the genirq API as normal. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-10-26sh: Tidy up genirq Kconfig bits.Paul Mundt
Now that there's a HAVE_GENERIC_HARDIRQS, switch over. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2010-10-26ARM: ux500 specific L2 cache codePer Fransson
The generic version of l2x0_inv_all is only called just after disabling the L2 cache and is surrounded by a spinlock. However, we're not really turning off the L2 cache right now, and the PL310 does not support exclusive accesses (used to implement the spinlock). So, the invalidation needs to be done without the spinlock. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Hans-Juergen Koch <hjk@linutronix.de> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Per Fransson <per.xx.fransson@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
2010-10-26ARM: l2x0: Optimise the range based operationsSantosh Shilimkar
For the big buffers which are in excess of cache size, the maintaince operations by PA are very slow. For such buffers the maintainace operations can be speeded up by using the WAY based method. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com>
2010-10-26ARM: l2x0: Determine the cache sizeSantosh Shilimkar
The cache size is needed for to optimise range based maintainance operations Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Linus Walleij <linus.walleij@stericsson.com>
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