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2015-02-02[media] rtl2830: wrap DVBv5 CNR to DVBv3 SNRAntti Palosaari
Change legacy DVBv3 read SNR to return values calculated by DVBv5 statistics. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: wrap DVBv5 BER to DVBv3Antti Palosaari
Change legacy DVBv3 read BER to return values calculated by DVBv5 statistics. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: wrap DVBv5 signal strength to DVBv3Antti Palosaari
Change legacy DVBv3 signal strength to return values calculated by DVBv5 statistics. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: implement DVBv5 BER statisticAntti Palosaari
DVBv5 BER. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: implement DVBv5 signal strength statisticsAntti Palosaari
Estimate signal strength from IF AGC. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: implement DVBv5 CNR statisticAntti Palosaari
DVBv5 CNR. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: style related changesAntti Palosaari
Trivial changes proposed by checkpatch.pl and some more. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: get rid of internal config dataAntti Palosaari
Remove internal config and use configuration values directly from the platform data. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: fix loggingAntti Palosaari
Pass correct device for dev_foo() logging in order to print logs correctly. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: carry pointer to I2C client for every functionAntti Palosaari
As a I2C driver struct i2c_client is top level structure representing the driver. Use it as parameter to carry all needed information for each function in order to simplify things. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: rename 'priv' to 'dev'Antti Palosaari
Use name 'dev' for device state instance as it is more common and also one letter shorter. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: get rid of legacy DVB driver bindingAntti Palosaari
Remove legacy DVB binding as all users are using I2C binding. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl28xxu: use I2C binding for RTL2830 demod driverAntti Palosaari
rtl2830 driver supports now I2C model too. Start using it. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] rtl2830: convert driver to kernel I2C modelAntti Palosaari
Convert driver to kernel I2C model. Old DVB proprietary model is still left there also. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02[media] dvb-usb-v2: add pointer to 'struct usb_interface' for driver usageAntti Palosaari
Top level pointer on USB probe is struct usb_interface *. Add that pointer to struct dvb_usb_device that drivers could use it, for dev_* logging and more. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-02-02ASoC: Intel: Add support rt5645 in sst driverFang, Yang A
Added entry in sst driver to support rt5645 codec for intel Braswell platform. Signed-off-by: Fang, Yang A <yang.a.fang@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-02ASoC: rsnd: call missing snd_soc_unregiter_component/platform()Kuninori Morimoto
Current Renesas R-Car sound driver doesn't call snd_soc_unregiter_component/platform() in .remove. This patch call these functions. Reported-by: Nguyen Viet Dung <nv-dung@jinso.co.jp> Reported-by: Bui Duc Phuc <bd-phuc@jinso.co.jp> Reported-by: Cao Minh Hiep <cm-hiep@jinso.co.jp> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-02ASoC: rsnd: call missing snd_ctl_remove()Kuninori Morimoto
Current Renesas R-Car sound driver is using snd_ctl_xxx() functions, but it didn't call snd_ctl free_one() / snd_ctl_remove(). This patch call these functions. Reported-by: Nguyen Viet Dung <nv-dung@jinso.co.jp> Reported-by: Bui Duc Phuc <bd-phuc@jinso.co.jp> Reported-by: Cao Minh Hiep <cm-hiep@jinso.co.jp> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-02ASoC: davinci-mcasp: Fix DIT only McASP instance supportPeter Ujfalusi
One of the McASP instances in DM646x line of DMSoC only supports DIT mode. This means that the given IP does not have support for rx and all the rx related resources are missing, like irq and DMA request. The driver should not fail if any or all of the RX resource is missing when the op_mode is set to DIT mode. Since RX is not possible in DIT mode, we can just ignore the rx resources when the McASP is used in DIT mode. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-02ASoC: davicni-mcasp: Mark the common irq line as sharedPeter Ujfalusi
On DA830 devices McASP0,1 and 2 shares a single combined interrupt request line. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-02ASoC: davinci-evm: Do not include davinci-pcm.h and davinci-i2s.hPeter Ujfalusi
There is no need for them to be included. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-02ASoC: davinci-evm: Do not include edma headersPeter Ujfalusi
The machine driver has no business with the underlying dma. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-02-02iwlwifi: mvm: don't send a command the firmware doesn't knowEmmanuel Grumbach
-9.ucode doesn't know the command SHARED_MEM_CFG yet. Fixes: 04fd2c28226f ("iwlwifi: mvm: add rxf and txf to dump data") Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
2015-02-02scsi: print single-character strings with seq_putcRasmus Villemoes
Using seq_putc to print a single character saves at least a strlen() call and a memory access, and may also give a small .text reduction. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02scsi: merge consecutive seq_puts callsRasmus Villemoes
Consecutive seq_puts calls with literal strings may be replaced by a single call, saving a little .text. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02scsi: replace seq_printf with seq_putsRasmus Villemoes
Using seq_printf to print a simple string is a lot more expensive than it needs to be, since seq_puts exists. Replace seq_printf with seq_puts when possible. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02aha152x: replace seq_printf with seq_putsRasmus Villemoes
Using seq_printf to print a simple string is a lot more expensive than it needs to be, since seq_puts exists. Replace seq_printf with seq_puts when possible. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02advansys: replace seq_printf with seq_putsRasmus Villemoes
Using seq_printf to print a simple string is a lot more expensive than it needs to be, since seq_puts exists. Replace seq_printf with seq_puts when possible. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02scsi: remove SPRINTF macroRasmus Villemoes
The macro SPRINTF doesn't save a lot of typing or make the code more readable, and depending on a specific identifier (m) in the surrounding scope is generally frowned upon. Nuke it. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02sg: remove an unused variableBart Van Assche
The 'data_dir' variable is not used in sg_common_write(), hence remove this variable. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Acked-by: Douglas Gilbert <dgilbert@interlog.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: Use local workqueues instead of system workqueuesDon Brace
Suggested-by: Tomas Henzl <thenzl@redhat.com> Reviewed-by: Webb Scales <webbnh@hp.com> Reviewed-by: Kevin Barnett <Kevin.Barnett@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: add in P840ar controller model nameDon Brace
Add in P840ar model name for gen9 Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: add in gen9 controller model namesDon Brace
Add in gen9 controller model names Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: detect and report failures changing controller transport modesRobert Elliott
Detect failues when attempting to change controller to use simple or performant transport modes (mode change ack) rather than just proceeding ahead after timeouts. Return values are added to: hpsa_put_ctlr_into_performant_mode hpsa_wait_for_mode_change_ack and all their callers check/propagate the result. More consistency in printing errors and whether dev_err is used. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: shorten the wait for the CISS doorbell mode change ackRobert Elliott
Shorten the wait for the CISS configuration table doorbell mode change acknowledgment from 300-600 s to 20 s, which is the value specified in the CISS specification that should be honored by all controllers. Wait using interruptible msleep() rather than uninterruptible usleep_range(), which triggers rt_sched timeout errors if the wait is long. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: refactor duplicated scan completion code into a new routineWebb Scales
Hoist the conditional out of do_not_scan_if_controller_locked_up() and place it in the caller (this improves the code structure, making it more consistent with other uses and enabling tail-call optimization); rename the function to hpsa_scan_complete(), and use it at the end of hpsa_scan_start() as well. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Webb Scales <webbnh@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: move SG descriptor set-up out of hpsa_scatter_gather()Webb Scales
Move the code which sets up the SG descriptor out of hpsa_scatter_gather() and into a subroutine where it can be reused (in the next patch). The Ext field is now assigned unconditionally: this makes the refactor much simpler, but more importantly it removes a conditional operation from inside the loop. The case for which the conditional formerly tested is now executed (unconditionally) after the loop is exited. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Webb Scales <webbnh@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: do not use function pointers in fast path command submissionStephen Cameron
Performance tweak, avoid unnecessary function calls. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: print CDBs instead of kernel virtual addresses for uncommon errorsStephen Cameron
Printing the address of the command pointer is of little value, change to print the CDB. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: do not use a void pointer for scsi_cmd field of struct CommandListStephen Cameron
There's no reason for it to be a void *, it should be a struct scsi_cmnd * Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: return failed from device reset/abort handlersDon Brace
Returning failed from the device reset handler will get the device kicked offline, which is fine if the controller is locked up anyhow. Cannot abort a command from a failed controller. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Reviewed-by: Justin Lindley <justin.lindley@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: check for ctlr lockup after command allocation in main io pathStephen Cameron
Command allocation is the thing that takes the longest in the main i/o path, so check for controller lockup immediately after this to prevent submitting commands to locked up controller as much as possible. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: guard against overflowing raid map arrayStephen Cameron
In the code that translates logical drive LBAs to physical drive LBAs if we overflow the raid map disk data array we will get the wrong answers. We do not expect that to happen, but best to be on the safe side and guard against it anyway. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: do not ack controller events on controllers that do not support itStephen Cameron
Acking controller events on controllers that do not support it can cause such controllers to lock up. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: remove incorrect BUG_ONs checking for raid offload enableStephen Cameron
In set_encrypt_ioaccel2() and in hpsa_scsi_ioaccel_raid_map there were BUG_ONs that looked like this: BUG_ON(!(dev->offload_config && dev->offload_enabled)); But, In hpsa_ack_ctlr_events() we have this, /* Stop sending new RAID offload reqs via the IO accelerator */ scsi_block_requests(h->scsi_host); for (i = 0; i < h->ndevices; i++) h->dev[i]->offload_enabled = 0; hpsa_drain_accel_commands(h); So, we set offload_enabled = 0 for all drives, then do this drain_accel_commands, so that means accel commands could still be in flight, ie. perhaps having just been submitted into hpsa_scsi_ioaccel_raid_map concurrent with ->offload_enabled having just been set to zero. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: do not check for msi(x) in interrupt_pendingStephen Cameron
No need to check whether interrupt pending for MSI(X) and conversely, no need to check whether MSI(X) interrupts are being used when checking if interrupts are pending. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: slightly optimize SA5_performant_completedDon Brace
Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: count passthru cmds with atomics, not a spin locked intDon Brace
Performance enhancement. Remove spin_locks from the driver. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: optimize cmd_alloc function by remembering last allocationRobert Elliott
Empirically, this improves performance slightly (~2% max IOPS) by allowing cmd_alloc to remember where it left off searching for free commands between calls instead of always starting its search at command 0. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Robert Elliott <elliott@hp.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
2015-02-02hpsa: fix race between abort handler and main i/o pathWebb Scales
This means changing the allocator to reference count commands. The reference count is now the authoritative indicator of whether a command is allocated or not. The h->cmd_pool_bits bitmap is now only a heuristic hint to speed up the allocation process, it is no longer the authoritative record of allocated commands. Since we changed the command allocator to use reference counting as the authoritative indicator of whether a command is allocated, fail_all_outstanding_cmds needs to use the reference count not h->cmd_pool_bits for this purpose. Fix hpsa_drain_accel_commands to use the reference count as the authoritative indicator of whether a command is allocated instead of the h->cmd_pool_bits bitmap. Reviewed-by: Scott Teel <scott.teel@pmcs.com> Signed-off-by: Don Brace <don.brace@pmcs.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
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