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2014-09-25iommu: Make of_device_id array constKiran Padwal
Make of_device_id array const, because all OF functions handle it as const. Signed-off-by: Kiran Padwal <kiran.padwal@smartplayin.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25amd_iommu: do not dereference a NULL pointer address.Maurizio Lombardi
under low memory conditions, alloc_pte() may return a NULL pointer. iommu_map_page() does not check it and will panic the system. Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu/omap: Remove omap_iommu unused owner fieldLaurent Pinchart
The owner field is never set. Remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Suman Anna <s-anna@ti.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu: Remove iommu_domain_has_cap() API functionJoerg Roedel
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25IB/usnic: Convert to use new iommu_capable() API functionJoerg Roedel
Cc: Upinder Malhi <umalhi@cisco.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25vfio: Convert to use new iommu_capable() API functionJoerg Roedel
Cc: Alex Williamson <alex.williamson@redhat.com> Acked-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu/tegra: Convert to iommu_capable() API functionJoerg Roedel
Cc: Hiroshi Doyu <hdoyu@nvidia.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu/msm: Convert to iommu_capable() API functionJoerg Roedel
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu/vt-d: Convert to iommu_capable() API functionJoerg Roedel
Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu/fsl: Convert to iommu_capable() API functionJoerg Roedel
Cc: Varun Sethi <Varun.Sethi@freescale.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu/arm-smmu: Convert to iommu_capable() API functionJoerg Roedel
Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu/amd: Convert to iommu_capable() API functionJoerg Roedel
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu: Introduce iommu_capable API functionJoerg Roedel
This function will replace the current iommu_domain_has_cap function and clean up the interface while at it. Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25iommu: Convert iommu-caps from define to enumJoerg Roedel
Allow compile-time type-checking. Signed-off-by: Joerg Roedel <jroedel@suse.de>
2014-09-25Merge branch 'for-joerg/arm-smmu/updates' of ↵Joerg Roedel
git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into arm/smmu
2014-09-25gpio: crystalcove: support virtual GPIOAaron Lu
The virtual GPIO introduced in ACPI table of Baytrail-T based system is used to solve a problem under Windows. We do not have such problems under Linux so we do not actually need them. But we have to tell GPIO library that the Crystal Cove GPIO chip has this many GPIO pins or the common GPIO handler will refuse any access to those high number GPIO pins, which will resulted in a failure evaluation of every ACPI control method that is used to turn on/off power resource and/or report sensor temperatures. Signed-off-by: Aaron Lu <aaron.lu@intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> [changed vgpio number from 0x5e to 94] Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-09-25spi/rockchip: fix bug that cause the failure to read data in DMA modeAddy Ke
In my test on RK3288-pinky board, if spi is enabled, it will begin to read data from slave regardless of whether the DMA is ready. So we need prepare DMA before spi is enable. Signed-off-by: Addy Ke <addy.ke@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
2014-09-25powerpc: Move via-cuda symbol exports next to function definitionsAnton Blanchard
Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2014-09-25powerpc: Move adb symbol exports next to function definitionsAnton Blanchard
Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2014-09-25spi: fsl-dspi: Remove probe info messageAlexander Stein
Remove the probe info message which also has wrong output. No need to add KERN_INFO to pr_info. Output was: 6Freescale DSPI master initialized Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-25usb: dwc2/gadget: move phy bus legth initializationKamil Debski
This patch moves the part of code that initializes the PHY bus width. This results in simpler code and removes the need to check whether the Generic PHY Framework is used. Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-09-25qla2xxx: Add memory barrier before ringing doorbell.Himanshu Madhani
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Add flags for tracing the target commands.Saurav Kashyap
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Fix hang due to cmd_kref not decrementingQuinn Tran
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Do not send SS_RESIDUAL_UNDER with SAM_STAT_BUSYHimanshu Madhani
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Add support for QFull throttling and Term Exchange retryQuinn Tran
Through the qla target code, the qlt_send_term_exchange() routine is used in various different places to cleanup an exchange. For the case of IOCB request queue is full, the exchange is left unhandled/ dangling. Existing code does not have re-try logic to cleanup the exchange. This patch add retry logic to cleanup the exchange before letting new commands through. For the case of FW running out of exchanges, driver need to reply SAM_STAT_BUSY to the initiators. This patch add a pending queue for the busy reply in case IOCB queue is unable to handle the cmd. Cc: <stable@vger.kernel.org> Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Increase the request queue size to 8K for ISP2031Saurav Kashyap
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Host reset handling in ABTS path.Arun Easi
ABTS path takes path similar to regular task management, but reset_count was not initialized when allocating mcmd causing the response to get dropped in qlt_xmit_tm_rsp. Fix this by initializing reset_count correctly. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Handle chip reset in target mode.Arun Easi
A chip reset can occur after driver submits command to the stack. Abort command processing if a chip reset has occurred or in progress when you get a follow up for a command. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Add Host reset handling in target mode.Arun Easi
Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: fix crash due to task mgmt cmd typeHimanshu Madhani
tcm_qla2xxx_get_task_tag incorrectly assume command is qla_tgt_cmd. Add check to see if it's a scsi cmd or task mgmt command. Signed-off-by: Quinn Tran <quinn.tran@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Add counter for messageSaurav Kashyap
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Enable SLER conditionally in target mode.Arun Easi
Sequence level error recovery (aka FC Tape) is not really required for disk devices. On heavily loaded system, with slow turn around, a bunch of status enquiries using REC puts additional burden to the target, so just turn off SLER by default. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Remove verbose messages in target mode.Arun Easi
Turning logging bits for target mode ON dumps quite a lot verbose messages, remove those and change some of the IO path logging to use IO bits. Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Increase room in request queue for sending priority packetsHimanshu Madhani
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Use correct offset to req-q-out for reserve calculationArun Easi
Cc: <stable@vger.kernel.org> Signed-off-by: Arun Easi <arun.easi@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: fix kernel NULL pointer accessHimanshu Madhani
This patch is to fix regression added by commit id 51a07f84649d2be206c4c2ad9a612956db0c2f8c. When allocating memory for new session original patch does not assign vha to op->vha resulting into NULL pointer access during qlt_create_sess_from_atio(). Cc: <stable@vger.kernel.org> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Fix sparse warnings in tcm_qla2xxx.cHimanshu Madhani
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Update the driver version to 8.07.00.16-k.Saurav Kashyap
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Fix sparse warning in qla_iocb.c file.Joe Carnuccio
Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Move warning message to debug level.Sawan Chandak
Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Fail adapter initialization on load ram failure.Chad Dupuis
If we fail to load one of the segments of firmware fail the operation instead of trying to continue which will lead to a system crash since the pointers to the next segment will not be updated correctly. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Disable PCI device in shutdown handler.Chad Dupuis
Disable the PCI device during shutdown to prevent any races with other PCI code such as the AER handling code. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Mark port lost when we receive an RSCN for it.Chad Dupuis
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Restore WWPN in case of Loop Dead.Himanshu Madhani
For FA-WWPN capable device, ISP2031 and ISP27XX, when loop dead is detected by a driver, restore WWPN from NVRAM. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Honor FCP_RSP retry delay timer field.Chad Dupuis
Parse the retry delay timer field from the FCP response data and if: - It is not zero - The SCSI status is busy or queue full return SCSI_MLQUEUE_TARGET_BUSY for the number of milliseconds specified in the retry delay timer field. Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Add missing ISP27xx checks to optrom code.Alex Vechersky
Signed-off-by: Alex Vechersky <alex.vechersky@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Force use of mailbox interface for flash access commands for ISP27xx.Chad Dupuis
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Free sysfs attributes for ISP27xx.Nigel Kirkland
Signed-off-by: Nigel Kirkland <nigel.kirkland@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-25qla2xxx: Disable laser for ISP2031 while unloading driver.Himanshu Madhani
Nameserver data on FC switch is not refreshed when qla2xxx driver is unloaded. Disabling laser for ISP2031 will force FC switch to rescan ports and clear fdmi entries from Nameserver. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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