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2012-05-21bfin_gpio: fix bf548-ezkit kernel fail to bootSteven Miao
Fix bf548-ezkit kernel fail to boot when request peripheral pins. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21bfin_dma: fix initcall return error in proc_dma_init()Steven Miao
Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21Blackfin: delete fork funcMike Frysinger
We don't implement fork() since we are no-mmu, so redirect it to the existing ENOSYS stub rather than adding a custom EINVAL one. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21Blackfin: fix unused clk var warningMike Frysinger
This is only used on BF60x code (so this patch should get squashed into the original one that added it). Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: SMP: pda: "next" field of blackfin_pda only used in SMP kernelSteven Miao
Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: GPIO: Implement more GPIO APIsSonic Zhang
Implement more GPIO APIs in case GPIOLIB is disabled. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: mach-common: ints-priority: fix compile errorBob Liu
IRQ_PINT4/PINT5 are not defined on !CONFIG_BF60x, this patch fix it. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: bf60x: bfin_uart: Add more LCR bits masksSonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: license: Change ADI BSD licenseSonic Zhang
Change ADI BSD license to standart 3 clause BSD license for some blackfin arch code requested by ADI Legal. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: bf537-stamp: update board file for platform bfin_sport deviceAaron Wu
Blackfin sport driver has been rewrited update board file according. Signed-off-by: Aaron Wu <Aaron.Wu@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: bf60x: cleanup mem_map macroSteven Miao
Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: bf60x: fix compiling warningBob Liu
Fix several compiling warning for bf60x. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: bf60x: add power management supportSteven Miao
Add bf60x cpu pm callbacks and change blackfin pm framework to support bf60x. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: bf60x: add l2 ecc irq handlerBob Liu
bf60x support l2 hardware ecc error check, add panic when double bits ecc error happened. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: twi: move twi bit mask macro to twi head fileSonic Zhang
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: bf60x: enable gptimer clock sourceSteven Miao
Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: add spi/sport3/ppi head file for bf60xScott Jiang
Signed-off-by: Scott Jiang <scott.jiang.linux@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: cplb: add support for bf60xBob Liu
Bf60x support big CPLB pages, this commit enable it. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: mach-common: add sec support for bf60xSteven Miao
Add system event controller support for bf60x so that interrupt can be handled. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: bf60x: add clock supportSteven Miao
Add clock support for bf60x. Signed-off-by: Steven Miao <realmz6@gmail.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: add bf60x to current frameworkBob Liu
This patch added bf60x to current blackfin kernel framework. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: mach-bf609: add machine filesSonic Zhang
Add machine files for bf60x including head files, Kconfig/Makefile and board file. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: asm: fix blackfin.h brokenBob Liu
do{...}while makes no sense in __ASSEMBLY__ code paths. now kernels fail to build: arch/blackfin/mach-bf561/atomic.S: Assembler messages: arch/blackfin/mach-bf561/atomic.S:48: Error: syntax error. Input text was do. arch/blackfin/mach-bf561/atomic.S:48: Error: arch/blackfin/mach-bf561/atomic.S:48: Error: syntax error. Input text was }. arch/blackfin/mach-bf561/atomic.S:48: Error: arch/blackfin/mach-bf561/atomic.S:53: Error: syntax error. Input text was do. arch/blackfin/mach-bf561/atomic.S:53: Error: arch/blackfin/mach-bf561/atomic.S:53: Error: syntax error. Input text was }. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-21blackfin: configs: add SMP support back to BF561-EZKIT-SMP_defconfigBob Liu
SMP support was removed from BF561-EZKIT-SMP_defconfig in last commit by mistake, this patch add it back. Signed-off-by: Bob Liu <lliubbo@gmail.com>
2012-05-20Input: spear-keyboard - document DT bindingsViresh Kumar
Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2012-05-20hwmon: (it87) Create voltage attributes only if voltage is enabledGuenter Roeck
On IT8782F and IT8783F, some voltage input pins may be disabled. Don't create sysfs attribute files if that is the case. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org>
2012-05-20hwmon: (ntc_thermistor) Fix checkpatch warningGuenter Roeck
Fix checkpatch WARNING: quoted string split across lines Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2012-05-20hwmon: (ntc_thermistor) Optimize and fix build warningGuenter Roeck
The following build warning is seen in some configurations: drivers/hwmon/ntc_thermistor.c: In function 'ntc_show_temp': drivers/hwmon/ntc_thermistor.c:293: warning: 'temp' may be used uninitialized in this function Fix the problem by re-arranging the code to overload return values with error codes, and by avoiding error returns whenever possible. Specifically, Simplify lookup_comp() to not return an error. Instead, return i_low == i_high if there is an exact match, or if the ohm value is outside the lookup table range. Modify get_temp_mC() to not return an error. Since it only returns an error after lookup_comp() returned an error, this is quite straightforward after above change. Separate ntc_thermistor_read() into a function to read the resistor value (which can return an error), and the call to get_temp_mC() which doesn't. Call the functions directly from ntc_show_temp(). Code was tested using a test program, comparing the result of the old and new versions of get_temp_mC() for resistor values between 0 and 2,000,000 ohm. As a side effect, this patch reduces code size by approximately 400 bytes on x86_64. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Donggeun Kim <dg77.kim@samsung.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2012-05-20hwmon: (ntc_thermistor) Return error code from hwmon_device_registerGuenter Roeck
hwmon_device_register() never returns a NULL pointer in case of errors, but an error value. Use it. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2012-05-20hwmon: (ntc_thermistor) Convert to devm_kzallocGuenter Roeck
This avoids memory leaks, and makes the code a bit simpler and smaller. Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
2012-05-20hwmon: (ad7314) Remove unused defines, and rename OFFSET to SHIFTGuenter Roeck
Remove unused defines AD7314_PD, AD7314_TEMP_SIGN, and ADT7301_TEMP_SIGN. Rename AD7314_TEMP_OFFSET to the more appropriate AD7314_TEMP_SHIFT. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Cc: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Jean Delvare <khali@linux-fr.org>
2012-05-20acpi_power_meter: clean up code around setup_attrsKyle McMartin
We don't need to duplicate if (res) checks if we're always running one or the other. Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-05-20acpi_power_meter: drop meter_rw_attrs, use common meter_attrsKyle McMartin
We always register these two together, so move meter_rw_attrs into meter_ro_attrs and use the same for both since we no longer have two register_attr paths. Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-05-20acpi_power_meter: remove duplicate code between register_{ro,rw}_attrsKyle McMartin
Key off the attr->set method being present to set the sysfs attribute as writable. Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-05-20acpi_power_meter: use a {RW,RO}_SENSOR_TEMPLATE macro to clean things upKyle McMartin
Similar to how we do PCI/USB device id structs. Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-05-20acpi_power_meter: use the same struct {rw,ro}_sensor_template for bothKyle McMartin
We don't need both, when we can just key the read/write off of the presence of the .set member. Signed-off-by: Kyle McMartin <kyle@redhat.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-05-20hwmon: use module_pci_driverAxel Lin
This patch converts the drivers in drivers/hwmon/* to use module_pci_driver() macro which makes the code smaller and a bit simpler. Signed-off-by: Axel Lin <axel.lin@gmail.com> Cc: Andreas Herrmann <andreas.herrmann3@amd.com> Cc: Clemens Ladisch <clemens@ladisch.de> Cc: Rudolf Marek <r.marek@assembler.cz> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-05-20hwmon: (it87) Add support for IT8782F and IT8783E/FGuenter Roeck
Signed-off-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Jean Delvare <khali@linux-fr.org>
2012-05-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2012-05-21ALSA: hda/realtek - Fix unused variable compile warningTakashi Iwai
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-05-20iscsi-target: Fix iov_count calculation bug in iscsit_allocate_iovecsNicholas Bellinger
This patch fixes a bug in iscsit_allocate_iovecs() where iov_count was incorrectly calculated using min(1UL, data_length / PAGE_SIZE) instead of max(1UL, data_length / PAGE_SIZE), that ends up triggering an OOPs for large block I/O when the SGL <-> iovec mapping exceeds the bogus iov_count allocation size. This is a regression introduced during the iscsi-target conversion back to using core memory allocation here: commit bfb79eac2026b411df9e253a9c350039b4b04bb7 Author: Andy Grover <agrover@redhat.com> Date: Tue Apr 3 15:51:29 2012 -0700 target/iscsi: Go back to core allocating data buffer for cmd Cc: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2012-05-21md/raid10: split out interpretation of layout to separate function.NeilBrown
We will soon be interpreting the layout (and chunksize etc) from multiple places to support reshape. So split it out into separate function. Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-21md/raid10: Introduce 'prev' geometry to support reshape.NeilBrown
When RAID10 supports reshape it will need a 'previous' and a 'current' geometry, so introduce that here. Use the 'prev' geometry when before the reshape_position, and the current 'geo' when beyond it. At other times, use both as appropriate. For now, both are identical (And reshape_position is never set). When we use the 'prev' geometry, we must use the old data_offset. When we use the current (And a reshape is happening) we must use the new_data_offset. Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-21md: use resync_max_sectors for reshape as well as resync.NeilBrown
Some resync type operations need to act on the address space of the device, others on the address space of the array. This only affects RAID10, so it sets resync_max_sectors to the array size (it defaults to the device size), and that is currently used for resync only. However reshape of a RAID10 must be done against the array size, not device size, so change code to use resync_max_sectors for both the resync and the reshape cases. This does not affect RAID5 or RAID1, just RAID10. Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-21md: teach sync_page_io about new_data_offset.NeilBrown
Some code in raid1 and raid10 use sync_page_io to read/write pages when responding to read errors. As we will shortly support changing data_offset for raid10, this function must understand new_data_offset. So add that understanding. Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-21md/raid10: collect some geometry fields into a dedicated structure.NeilBrown
We will shortly be adding reshape support for RAID10 which will require it having 2 concurrent geometries (before and after). To make that easier, collect most geometry fields into 'struct geom' and access them from there. Then we will more easily be able to add a second set of fields. Note that 'copies' is not in this struct and so cannot be changed. There is little need to change this number and doing so is a lot more difficult as it requires reallocating more things. So leave it out for now. Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-21md/raid5: allow for change in data_offset while managing a reshape.NeilBrown
The important issue here is incorporating the different in data_offset into calculations concerning when we might need to over-write data that is still thought to be valid. To this end we find the minimum offset difference across all devices and add that where appropriate. Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-21md/raid5: Use correct data_offset for all IO.NeilBrown
As there can now be two different data_offsets - an 'old' and a 'new' - we need to carefully choose between them. Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-21md: add possibility to change data-offset for devices.NeilBrown
When reshaping we can avoid costly intermediate backup by changing the 'start' address of the array on the device (if there is enough room). So as a first step, allow such a change to be requested through sysfs, and recorded in v1.x metadata. (As we didn't previous check that all 'pad' fields were zero, we need a new FEATURE flag for this. A (belatedly) check that all remaining 'pad' fields are zero to avoid a repeat of this) The new data offset must be requested separately for each device. This allows each to have a different change in the data offset. This is not likely to be used often but as data_offset can be set per-device, new_data_offset should be too. This patch also removes the 'acknowledged' arg to rdev_set_badblocks as it is never used and never will be. At the same time we add a new arg ('in_new') which is currently always zero but will be used more soon. When a reshape finishes we will need to update the data_offset and rdev->sectors. So provide an exported function to do that. Signed-off-by: NeilBrown <neilb@suse.de>
2012-05-21md: allow a reshape operation to be reversed.NeilBrown
Currently a reshape operation always progresses from the start of the array to the end unless the number of devices is being reduced, in which case it progressed in the opposite direction. To reverse a partial reshape which changes the number of devices you can stop the array and re-assemble with the raid-disks numbers reversed and it will undo. However for a reshape that does not change the number of devices it is not possible to reverse the reshape in the middle - you have to wait until it completes. So add a 'reshape_direction' attribute with is either 'forwards' or 'backwards' and can be explicitly set when delta_disks is zero. This will become more important when we allow the data_offset to change in a reshape. Then the explicit statement of what direction is being used will be more useful. This can be enabled in raid5 trivially as it already supports reverse reshape and just needs to use a different trigger to request it. Signed-off-by: NeilBrown <neilb@suse.de>
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