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2018-08-08media: vsp1_dl: add a description for cmdpool fieldMauro Carvalho Chehab
Gets rid of this build warning: drivers/media/platform/vsp1/vsp1_dl.c:229: warning: Function parameter or member 'cmdpool' not described in 'vsp1_dl_manager' Fixes: f3b98e3c4d2e ("media: vsp1: Provide support for extended command pools") Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-08-08PCI: mvebu: Use resource_size() to remap I/O spaceThomas Petazzoni
Instead of hardcoding the remapping of IO_SPACE_LIMIT - SZ_64K, use resource_size(). However, we cannot use just IO_SPACE_LIMIT, because pci_ioremap_io() has a bug and doesn't allow remapping the last 64 KB before IO_SPACE_LIMIT, so we ensure that we do not exceed this limit. When the pci_ioremap_io() issue is fixed, this work around can be dropped. Note that this workaround already existed, since we were mapping only up to IO_SPACE_LIMIT - SZ_64K. Suggested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> [lorenzo.pieralisi@arm.com: tweaked the commit log] Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2018-08-08PCI: mvebu: Only remap I/O space if configuredThomas Petazzoni
If there is no PCI I/O aperture configured in the Device Tree, it does not make sense to create the virtual mapping for the PCI I/O space, since we will anyway not create the MBus window that will allow to access it. Therefore, do the pci_ioremap_io() only if necessary. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2018-08-08PCI: mvebu: Fix I/O space end address calculationThomas Petazzoni
pcie->realio.end should be the address of last byte of the area, therefore using resource_size() of another resource is not correct, we must substract 1 to get the address of the last byte. Fixes: 11be65472a427 ("PCI: mvebu: Adapt to the new device tree layout") Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2018-08-08PCI: mvebu: Remove redundant platform_set_drvdata() callThomas Petazzoni
This is already done earlier in mvebu_pcie_probe(). Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
2018-08-08dm snapshot: improve performance by switching out_of_order_list to rbtreeDavid Jeffery
copy_complete()'s processing of out_of_order_list can result in quadratic complexity in the worst case. As such it was the source of consuming too much cpu and the source of significant loss in performance. Fix this by converting out_of_order_list to an rbtree. This improved a dm-snapshot test copy workload from 32 seconds to 4 seconds. Signed-off-by: David Jeffery <djeffery@redhat.com> Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Tested-by: Brett Hull <bhull@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2018-08-08dm kcopyd: avoid softlockup in run_complete_jobJohn Pittman
It was reported that softlockups occur when using dm-snapshot ontop of slow (rbd) storage. E.g.: [ 4047.990647] watchdog: BUG: soft lockup - CPU#10 stuck for 22s! [kworker/10:23:26177] ... [ 4048.034151] Workqueue: kcopyd do_work [dm_mod] [ 4048.034156] RIP: 0010:copy_callback+0x41/0x160 [dm_snapshot] ... [ 4048.034190] Call Trace: [ 4048.034196] ? __chunk_is_tracked+0x70/0x70 [dm_snapshot] [ 4048.034200] run_complete_job+0x5f/0xb0 [dm_mod] [ 4048.034205] process_jobs+0x91/0x220 [dm_mod] [ 4048.034210] ? kcopyd_put_pages+0x40/0x40 [dm_mod] [ 4048.034214] do_work+0x46/0xa0 [dm_mod] [ 4048.034219] process_one_work+0x171/0x370 [ 4048.034221] worker_thread+0x1fc/0x3f0 [ 4048.034224] kthread+0xf8/0x130 [ 4048.034226] ? max_active_store+0x80/0x80 [ 4048.034227] ? kthread_bind+0x10/0x10 [ 4048.034231] ret_from_fork+0x35/0x40 [ 4048.034233] Kernel panic - not syncing: softlockup: hung tasks Fix this by calling cond_resched() after run_complete_job()'s callout to the dm_kcopyd_notify_fn (which is dm-snap.c:copy_callback in the above trace). Signed-off-by: John Pittman <jpittman@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
2018-08-08staging:rtl8192u: Remove unused macro definitions - StyleJohn Whitmore
Removed unused macro definitions as they add nothing to the code. This is a coding style change which should have no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging:rtl8192u: Add spaces around '+' operator - StyleJohn Whitmore
Add spaces around '+' operator as required by the coding standard. This clears the checkpatch issue. This change is purely coding style in nature and should have not effect on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging:rtl8192u: Remove stale comment - StyleJohn Whitmore
Remove a comment which appears to be from a previous version of code. This is a coding style change which should have no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtl8188eu: remove unused mp_custom_oid.hMichael Straube
The header mp_custom_oid.h is not used, so remove it. 'git grep mp_custom_oid.h drivers/staging/rtl8188eu/' returns nothing. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: fbtft: Add spaces around / - StyleLeonardo Brás
Puts spaces around the /. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: fbtft: Erases some repetitive usage of function name - StyleLeonardo Brás
Changes this functions to avoid using "blank" on debug twice. Improves log readability. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: fbtft: Adjust some empty-line problems - StyleLeonardo Brás
Erases some blank lines. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: fbtft: Removes one nesting level to help readability - StyleLeonardo Brás
This nesting level was removed to improve readability. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: fbtft: Changes gamma table to define.Leonardo Brás
Most of other "Gamma Tables" were already boxed on a define, just did the same to PIOLED. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: fbtft: A bit more information on dev_err.Leonardo Brás
Adds a bit more information on debug. The line break was to avoid obfuscating the parameters on the end of a large line. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: fbtft: Fixes some alignment issues - StyleLeonardo Brás
Fixes (most) alignment issues pointed by checkpatch.pl. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: fbtft: Puts macro arguments in parenthesis to avoid precedence ↵Leonardo Brás
issues - Style Puts macro arguments in parenthesis to avoid precedence issues. Some large lines were broken to fit the 80-char limit. Signed-off-by: Leonardo Brás <leobras.c@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtl8188eu: remove unused array dB_Invert_TableColin Ian King
Array dB_Invert_Table is declared but not used, hence it is redundant and can be removed. Cleans up clang warning: warning: ‘dB_Invert_Table’ defined but not used [-Wunused-const-variable=] Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtl8188eu: remove whitespace, add missing blank lineMichael Straube
Replace tabs with spaces and/or remove spaces where appropriate. Add a missing blank line after declarations. Also clears checkpatch warnings. WARNING: Statements should start on a tabstop WARNING: suspect code indent for conditional statements (8, 17) Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtl8188eu: use is_multicast_ether_addr in rtw_sta_mgt.cMichael Straube
Use is_multicast_ether_addr instead of custom IS_MCAST in core/rtw_sta_mgt.c. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtl8188eu: remove whitespace - styleMichael Straube
Replace tabs with spaces and/or remove spaces where appropriate. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtl8188eu: cleanup block comment - styleMichael Straube
Cleanup a block comment to conform with kernel coding style. Also cleans 'line over 80 characters' checkpatch warnings. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtl8188eu: use is_multicast_ether_addr in rtl8188eu_xmit.cMichael Straube
Use is_multicast_ether_addr instead of custom IS_MCAST in hal/rtl8188eu_xmit.c. There is only one use, so remove the extra variable for the result of IS_MCAST. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtl8188eu: use is_multicast_ether_addr in recv_linux.cMichael Straube
Use is_multicast_ether_addr instead of custom IS_MCAST in os_dep/recv_linux.c. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: rtlwifi: refactor rtl_get_tcb_descLuke Triantafyllidis
Refactored rtl_get_tcb_desc slightly to stay within the 80 character line limit. Signed-off-by: Luke Triantafyllidis <ltriant@cpan.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: comedi: ni_mio_common: fix subdevice flags for PFI subdeviceIan Abbott
The PFI subdevice flags indicate that the subdevice is readable and writeable, but that is only true for the supported "M-series" boards, not the older "E-series" boards. Only set the SDF_READABLE and SDF_WRITABLE subdevice flags for the M-series boards. These two flags are mainly for informational purposes. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-dts: add pcie controller port registersSergio Paracuellos
The pcie node of the device tree only contains registers for the host-bridge and pcie port 0. Add the pcie port 1 and pcie port 2 also. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: remove remaining pci_legacy dependant codeSergio Paracuellos
pcibios_* remaining code is not neccessary at all. We can use map_irq set to of_irq_parse_and_map_pci driver 'probe' function. Remove this code. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: rename RALINK_PCI_CONFIG_DATA_VIRTUAL_REG definitionSergio Paracuellos
RALINK_PCI_CONFIG_DATA_VIRTUAL_REG is a very long name. Make it a bit shorter renaming it to RALINK_PCI_CONFIG_DATA. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: use BIT macro in preprocessor definitionsSergio Paracuellos
Some preprocessor definitions are using a custom implementation of BIT macro. Just use linux kernel BIT macro instead. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: remove RALINK_PCI_BASE from remaining definitionsSergio Paracuellos
RALINK_PCI_BASE has no sense and this driver has base address readed and mapped from device tree. Remove remaining uses of it and change code to use pcie_read and pcie_write functions in places where this was being used. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: use pcie_[read|write] in RALINK_PCI_PCICFG_ADDR and ↵Sergio Paracuellos
RALINK_PCI_PCIMSK_ADDR RALINK_PCI_PCICFG_ADDR and RALINK_PCI_PCIMSK_ADDR are defined to be directly referenced for read and write. Use pcie_read and pcie_write instead changing its definition to a simple relative offset to pcie base address. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: review includes putting them in alphabethic orderSergio Paracuellos
There are some includes that are being used that are not really needed to correct driver compilation. Remove them and reorder the rest alphabetically. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: avoid register duplication per controller using ↵Sergio Paracuellos
pcie_[read|write] Use pcie_[read|write] fucntions to read and write controller registers. Define those only by offset and pass controller offset + register offset relative to base address to functions. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: remove unused macrosSergio Paracuellos
There some macros that are not being used. Remove them. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: simplify write_config functionSergio Paracuellos
write_config function is always called with bus and func being 0. Avoid those params and just use 0 inside the function. Review parameter types changing for more proper ones. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: simplify read_config functionSergio Paracuellos
read_config function is always called with bus and func being 0. Avoid those params and just use 0 inside the function. Return readed value instead pass a reference parameter. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: use pcie_[read|write] in [write|read]_configSergio Paracuellos
Instead of custom macros use pcie_read and pcie_write functions. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: add pcie_write and pcie_read helpersSergio Paracuellos
Introdice this functions to make easier to write/read to/from an offset relative to base address Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: remove dead code derived to not use custom reads and writesSergio Paracuellos
Driver is using now pci subsystem generics reads and writes and requesting bus resources without using legacy code functions. Because of this there is a lot of dead code that can be removed. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08staging: mt7621-pci: use generic kernel pci subsystem read and writeSergio Paracuellos
map_bus callback is called before every .read/.write operation. Implement it and change custom read write operations for the pci subsystem generics. Make the probe function to don't use legacy stuff and request bus resources directly. Get pci register base and ranges from device tree. The driver is not using PCI_LEGACY code anymore and shall use the PCI_DRIVERS_GENERIC option to correct compile it. Add also new Kconfig file for this controller setting there its correct dependencies. Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> Tested-by: NeilBrown <neil@brown.name> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-08arm64: alternative: Use true and false for boolean valuesGustavo A. R. Silva
Return statements in functions returning bool should use true or false instead of an integer value. This code was detected with the help of Coccinelle. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
2018-08-08nvme-fabrics: fix ctrl_loss_tmo < 0 to reconnect foreverTal Shorer
When the user supplies a ctrl_loss_tmo < 0, we warn them that this will cause the fabrics layer to attempt reconnection forever. However, in reality the fabrics layer never attempts to reconnect because the condition to test whether we should reconnect is backwards in this case. Signed-off-by: Tal Shorer <tal.shorer@gmail.com> Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-08-08nvmet: add ns write protect supportChaitanya Kulkarni
This patch implements the Namespace Write Protect feature described in "NVMe TP 4005a Namespace Write Protect". In this version, we implement No Write Protect and Write Protect states for target ns which can be toggled by set-features commands from the host side. For write-protect state transition, we need to flush the ns specified as a part of command so we also add helpers for carrying out synchronous flush operations. Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> [hch: fixed an incorrect endianess conversion, minor cleanups] Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-08-08nvme: set gendisk read only based on nsattrChaitanya Kulkarni
NVMe 1.3 TP 4005 introduces new filed (NSATTR). This field indicates whether given namespace is write protected or not. This patch sets the gendisk associated with the namespace to read only based on the identify namespace nsattr field. Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-08-08nvme.h: add support for ns write protect definitionsChaitanya Kulkarni
Add various definitions from NVMe 1.3 TP 4005. Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-08-08nvme.h: fixup ANA group descriptor formatHannes Reinecke
ANA Phase 3 draft had the 'reserved' field in the group descriptor format set to '23:17' (so that the first namespace identifier started at byte 24), but that got move with the approved TP to '31:17' (so that the first namespace identifier started at byte 32). Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-08-08ASoC: max98373: Added software reset register to readable registersRyan Lee
Signed-off-by: Ryan Lee <ryans.lee@maximintegrated.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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