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2014-01-03mtd: nand: pxa3xx: Add a read/write buffers markersEzequiel Garcia1-11/+29
In preparation to support multiple (aka chunked, aka splitted) page I/O, this commit adds 'data_buff_pos' and 'oob_buff_pos' fields to keep track of where the next read (or write) should be done. This will allow multiple calls to handle_data_pio() to continue the read (or write) operation. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Fix SEQIN column address setEzequiel Garcia1-1/+2
This commit adds support page programming with a non-zero "column" address setting. This is important to support OOB writing, through command sequences such as: cmdfunc(mtd, NAND_CMD_SEQIN, mtd->writesize, ofs); write_buf(mtd, oob_buf, 6); cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Move the data buffer clean to prepare_start_command()Ezequiel Garcia1-5/+16
To allow future support of multiple page reading/writing, move the data buffer clean out of prepare_set_command(). This is done to prevent the data buffer from being cleaned on every command preparation, when a multiple command sequence is implemented to read/write pages larger than the FIFO size (2 KiB). Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Split prepare_command_pool() in two stagesEzequiel Garcia1-19/+25
This commit splits the prepare_command_pool() function into two stages: prepare_start_command() / prepare_set_command(). This is a preparation patch without any functionality changes, and is meant to allow support for multiple page reading/writing operations. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Remove READ0 switch/case falltroughEzequiel Garcia1-0/+5
READ0 and READOOB command preparation has a falltrough to SEQIN case, where the command address is specified. This is certainly confusing and makes the code less readable with no added value. Let's remove it. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Add helper function to set page addressEzequiel Garcia1-15/+21
Let's simplify the code by first introducing a helper function to set the page address, as done by the READ0, READOOB and SEQIN commands. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Clear cmd buffer #3 (NDCB3) on command startEzequiel Garcia1-1/+1
Command buffer #3 is not properly cleared and it keeps the last set value. Fix this by clearing when a command is setup. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Add driver-specific ECC BCH supportEzequiel Garcia1-17/+69
This commit adds the BCH ECC support available in NFCv2 controller. Depending on the detected required strength the respective ECC layout is selected. This commit adds an empty ECC layout, since support to access large pages is first required. Once that support is added, a proper ECC layout will be added as well. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Add bad block handlingEzequiel Garcia3-0/+42
Add support for flash-based bad block table using Marvell's custom in-flash bad block table layout. The support is enabled a 'flash_bbt' platform data or device tree parameter. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Use waitfunc() to wait for the device to be readyEzequiel Garcia1-3/+4
In pxa3xx_nand_sensing() instead of simply using info->is_ready after issuing a command, the correct way of checking is to wait for the device to be ready through the chip's waitfunc(). Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Use a completion to signal device readyEzequiel Garcia1-14/+24
The expected behavior of the waitfunc() NAND chip call is to wait for the device to be READY (this is a standard chip line). However, the current implementation does almost nothing, which opens the possibility of issuing a command to a non-ready device. Fix this by adding a new completion to wait for the ready event to arrive. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Add a nice comment to pxa3xx_set_datasize()Ezequiel Garcia1-0/+5
Add a comment clarifying the use of pxa3xx_set_datasize() which is only applicable on data read/write commands (i.e. commands with a data cycle, such as READID, READ0, STATUS, etc.) Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Replace host->page_size by mtd->writesizeEzequiel Garcia1-7/+3
There's no need to privately store the device page size as it's available in mtd structure field mtd->writesize. Also, this removes the hardcoded page size value, leaving the auto-detected value only. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Split FIFO size from to-be-read FIFO countEzequiel Garcia1-5/+7
Introduce a fifo_size field to represent the size of the controller's FIFO buffer, and use it to distinguish that size from the amount of data bytes to be read from the FIFO. This is important to support devices with pages larger than the controller's internal FIFO, that need to read the pages in FIFO-sized chunks. In particular, the current code is at least confusing, for it mixes all the different sizes involved: FIFO size, page size and data size. This commit starts the cleaning by removing the info->page_size field that is not currently used. The host->page_size field should also be removed and use always mtd->writesize instead. Follow up commits will clean this up. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Use chip->cmdfunc instead of the internalEzequiel Garcia1-1/+5
Whenever possible, it's always better to use the generic chip->cmdfunc instead of the internal pxa3xx_nand_cmdfunc(). In this particular case, this will allow to have multiple cmdfunc() implementations for different SoC variants. Reviewed-by: Huang Shijie <shijie8@gmail.com> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Early variant detectionEzequiel Garcia1-20/+20
In order to customize early settings depending on the detected SoC variant, move the detection to be before the nand_chip struct filling. In a follow-up patch, this change is needed to detect the variant *before* the call to alloc_nand_resource(), which allows to set a different cmdfunc() for each variant. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: read_page() returns max_bitflipsEzequiel Garcia1-1/+3
As per the ecc.read_page() prototype, we must return the maximum number of bitflips that were corrected on any one region covering an ecc step. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Prevent sub-page writesEzequiel Garcia1-0/+1
The current driver doesn't support sub-page writing, so report that to the NAND core. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Tested-by: Daniel Mack <zonque@gmail.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Make config menu show supported platformsEzequiel Garcia1-2/+2
Since we have now support for the NFCv2 controller found on Armada 370/XP platforms. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: Add documentation about the controllerEzequiel Garcia2-0/+115
Given there's no public specification to this date, and in order to capture some important details and singularities about the controller let's document them once and for good. Cc: linux-doc@vger.kernel.org Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: pxa3xx: devicetree binding updateEzequiel Garcia1-1/+3
Since the driver supports the new compatible string, the binding documentation must be updated to reflect it. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: make mtd_partition.name constGeert Uytterhoeven3-5/+5
This allows to drop a few casts. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: ms02-nv: remove superfluous name castGeert Uytterhoeven1-1/+1
mtd_info.name is "const char *" Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: pasemi_nand.c: remove superfluous name castGeert Uytterhoeven1-1/+1
device_driver.name is "const char *" Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Olof Johansson <olof@lixom.net> Cc: linux-mtd@lists.infradead.org Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: remove superfluous name castsGeert Uytterhoeven2-2/+2
map_info.name is "const char *" Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: linux-mtd@lists.infradead.org Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: gpmi-lib: Make checkpatch happyFabio Estevam1-4/+4
Fix the following checkpatch warnings: WARNING: line over 80 characters #268: FILE: mtd/nand/gpmi-nand/gpmi-lib.c:268: + * consecutive reboots. The latter case has not been seen on the MX23 yet, WARNING: space prohibited before semicolon #356: FILE: mtd/nand/gpmi-nand/gpmi-lib.c:356: + (target.tRHOH_in_ns >= 0) ; WARNING: space prohibited before semicolon #1006: FILE: mtd/nand/gpmi-nand/gpmi-lib.c:1006: + BF_GPMI_TIMING0_DATA_SETUP(hw.data_setup_in_cycles) ; Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Huang Shijie <b32955@freescale.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: gpmi: Use devm_clk_get()Fabio Estevam1-19/+2
Using devm_clk_get() can make the code smaller and cleaner. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Huang Shijie <b32955@freescale.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: gpmi: add a new DT property to use the datasheet's minimum required ECCHuang Shijie2-0/+11
In default way, we use the ecc_strength/ecc_step size calculated by ourselves and use all the OOB area. This patch adds a new property : "fsl,use-minimum-ecc" If we enable it, we will firstly try to use the datasheet's minimum required ECC provided by the MTD layer (the ecc_strength_ds/ecc_step_ds fields in the nand_chip{}). So we may have free space in the OOB area by using the minimum ECC, and we may support JFFS2 with some SLC NANDs, such as Micron's SLC NAND. If we fail to use the minimum ECC, we will use the legacy method to calculate the ecc_strength and ecc_step size. Signed-off-by: Huang Shijie <b32955@freescale.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03mtd: nand: omap2: Fix OMAP_BCH option dependencyEzequiel Garcia1-1/+1
This option does not need to depend in MTD_NAND, for it's enclosed under it. Also, it's wrong to make it depend in ARCH_OMAP3 only since the controller is used in a wider range of SoCs. Instead, just leave the dependency on the OMAP2 driver option. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Acked-by: Pekon Gupta <pekon@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03drivers: mtd: m25p80: add quad read supportSourav Poddar1-2/+137
Some flash also support quad read mode. Adding support for quad read mode in m25p80 for Spansion and Macronix flash. [Tweaked by Brian] With this patch, quad-read support will override fast-read and normal-read, if the SPI controller and flash chip both support it. Signed-off-by: Sourav Poddar <sourav.poddar@ti.com> Tested-by: Sourav Poddar <sourav.poddar@ti.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2014-01-03drivers: mtd: m25p80: convert "bool" read check into an enumSourav Poddar1-14/+57
This is a cleanup prior to adding quad read support. This will facilitate easy addition of more read commands check under an enum rather that defining a separate bool for it. Signed-off-by: Sourav Poddar <sourav.poddar@ti.com> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2013-12-30Linux 3.13-rc6v3.13-rc6Linus Torvalds1-1/+1
2013-12-30Merge tag 'fixes-for-linus' of ↵Linus Torvalds8-10/+24
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Another smallish batch of fixes, it's been quiet due to the holidays. Nothing controversial here, a handful of things across the board" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: pxa: fix USB gadget driver compilation regression ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy booting ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq data ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL ARM: shmobile: r8a7790: fix shdi resource sizes ARM: shmobile: bockw: fixup DMA mask ARM: shmobile: armadillo: Add PWM backlight power supply
2013-12-30Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds7-7/+10
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Peter Anvin: "There is a small EFI fix and a big power regression fix in this batch. My queue also had a fix for downing a CPU when there are insufficient number of IRQ vectors available, but I'm holding that one for now due to recent bug reports" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/efi: Don't select EFI from certain special ACPI drivers x86 idle: Repair large-server 50-watt idle-power regression
2013-12-30Merge tag 'pm+acpi-3.13-rc6' of ↵Linus Torvalds5-34/+51
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management fixes and new device IDs from Rafael Wysocki: - Fix for a cpufreq regression causing stale sysfs files to be left behind during system resume if cpufreq_add_dev() fails for one or more CPUs from Viresh Kumar. - Fix for a bug in cpufreq causing CONFIG_CPU_FREQ_DEFAULT_* to be ignored when the intel_pstate driver is used from Jason Baron. - System suspend fix for a memory leak in pm_vt_switch_unregister() that forgot to release objects after removing them from pm_vt_switch_list. From Masami Ichikawa. - Intel Valley View device ID and energy unit encoding update for the (recently added) Intel RAPL (Running Average Power Limit) driver from Jacob Pan. - Intel Bay Trail SoC GPIO and ACPI device IDs for the Low Power Subsystem (LPSS) ACPI driver from Paul Drews. * tag 'pm+acpi-3.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: powercap / RAPL: add support for ValleyView Soc PM / sleep: Fix memory leak in pm_vt_switch_unregister(). cpufreq: Use CONFIG_CPU_FREQ_DEFAULT_* to set initial policy for setpolicy drivers cpufreq: remove sysfs files for CPUs which failed to come back after resume ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs
2013-12-29Merge tag 'omap-for-v3.13/intc-ldp-fix' of ↵Olof Johansson217-1092/+2035
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes From Tony Lindgren: Fix a regression for wrong interrupt numbers for some devices after the sparse IRQ conversion, fix DRA7 console output for earlyprintk, and fix the LDP LCD backlight when DSS is built into the kernel and not as a loadable module. * tag 'omap-for-v3.13/intc-ldp-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy booting ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq data ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL + v3.13-rc5 Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-29Merge tag 'renesas-fixes2-for-v3.13' of ↵Olof Johansson3-3/+10
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes From Simon Horman: Second Round of Renesas ARM based SoC Fixes for v3.13 * r8a7790 (R-Car H2) based Lager board - Correct SHDI resource sizes This bug has been present since sdhi resources were added to the r8a7790 by 8c9b1aa41853272a ("ARM: shmobile: r8a7790: add MMCIF and SDHI DT templates") in v3.11-rc2. * r8a7778 (R-Car M1) based Bock-W board - Correct DMA mask This resolves a regression introduced by 4dcfa60071b3d23f ("ARM: DMA-API: better handing of DMA masks for coherent allocations") in v3.12-rc1. * r8a7740 (R-Mobile A1) based Armadillo board - Add PWM backlight power supply This resolves a regression introduced by 22ceeee16eb8f0d0 ("pwm-backlight: Add power supply support") in v3.12. * tag 'renesas-fixes2-for-v3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: shmobile: r8a7790: fix shdi resource sizes ARM: shmobile: bockw: fixup DMA mask ARM: shmobile: armadillo: Add PWM backlight power supply Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-29ARM: pxa: fix USB gadget driver compilation regressionLinus Walleij1-0/+2
After commit 88f718e3fa4d67f3a8dbe79a2f97d722323e4051 "ARM: pxa: delete the custom GPIO header" a compilation error was introduced in the PXA25x gadget driver. An attempt to fix the problem was made in commit b144e4ab1ef130e8bf30bcd3e529b7f35112c503 "usb: gadget: fix pxa25x compilation problems" by explictly stating the driver needs the <mach/hardware.h> header, which solved the compilation for a few boards, such as the pxa255-idp and its defconfig. However the Lubbock board has this special clause in drivers/usb/gadget/pxa25x_udc.c: This include file has an implicit dependency on <mach/irqs.h> having been included before <mach/lubbock.h> was included. Before commit 88f718e3fa4d67f3a8dbe79a2f97d722323e4051 "ARM: pxa: delete the custom GPIO header" this implicit dependency for the pxa25x_udc compile on the Lubbock was satisfied by <linux/gpio.h> implicitly including <mach/gpio.h> which was in turn including <mach/irqs.h>, apart from the earlier added <mach/hardware.h>. Fix this by having the PXA25x <mach/lubbock.h> explicitly include <mach/irqs.h>. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Greg Kroah-Hartmann <gregkh@linuxfoundation.org> Cc: Felipe Balbi <balbi@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Olof Johansson <olof@lixom.net>
2013-12-27Merge tag 'for-v3.13-rc/hwmod-fixes-b' of ↵Tony Lindgren3-6/+6
git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into debug-ll-and-ldp-backlight-fix A few OMAP hwmod fixes for v3.13-rc. One patch fixes some IRQ problems with GPMC, RNG, and ISP/IVA MMUs on OMAP2/3. The other fixes some problems with DEBUG_LL on DRA7xx. Basic build, boot, and PM test logs are available here: http://www.pwsan.com/omap/testlogs/hwmod_fixes_b_v3.13-rc/20131226021920/
2013-12-27ARM: OMAP2+: Fix LCD panel backlight regression for LDP legacy bootingTony Lindgren1-1/+6
Looks like the LCD panel on LDP has been broken quite a while, and recently got fixed by commit 0b2aa8bed3e1 (gpio: twl4030: Fix regression for twl gpio output). However, there's still an issue left where the panel backlight does not come on if the LCD drivers are built into the kernel. Fix the issue by registering the DPI LCD panel only after the twl4030 GPIO has probed. Reported-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> [tony@atomide.com: updated per Tomi's comments] Signed-off-by: Tony Lindgren <tony@atomide.com>
2013-12-27Merge branches 'powercap' and 'acpi-lpss' with new device IDsRafael J. Wysocki3-2/+13
* powercap: powercap / RAPL: add support for ValleyView Soc * acpi-lpss: ACPI: Add BayTrail SoC GPIO and LPSS ACPI IDs
2013-12-27Merge branches 'pm-cpufreq' and 'pm-sleep' containing PM fixesRafael J. Wysocki2-32/+38
* pm-cpufreq: cpufreq: Use CONFIG_CPU_FREQ_DEFAULT_* to set initial policy for setpolicy drivers cpufreq: remove sysfs files for CPUs which failed to come back after resume * pm-sleep: PM / sleep: Fix memory leak in pm_vt_switch_unregister().
2013-12-26Merge tag 'ext4_for_linus' of ↵Linus Torvalds9-57/+93
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 fixes from Ted Ts'o: "A collection of bug fixes destined for stable and some printk cleanups and a patch so that instead of BUG'ing we use the ext4_error() framework to mark the file system is corrupted" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: add explicit casts when masking cluster sizes ext4: fix deadlock when writing in ENOSPC conditions jbd2: rename obsoleted msg JBD->JBD2 jbd2: revise KERN_EMERG error messages jbd2: don't BUG but return ENOSPC if a handle runs out of space ext4: Do not reserve clusters when fs doesn't support extents ext4: fix del_timer() misuse for ->s_err_report ext4: check for overlapping extents in ext4_valid_extent_entries() ext4: fix use-after-free in ext4_mb_new_blocks ext4: call ext4_error_inode() if jbd2_journal_dirty_metadata() fails
2013-12-26ARM: OMAP2+: hwmod_data: fix missing OMAP_INTC_START in irq dataSuman Anna2-5/+5
Commit 7d7e1eb (ARM: OMAP2+: Prepare for irqs.h removal) and commit ec2c082 (ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ) updated the way interrupts for OMAP2/3 devices are defined in the HWMOD data structures to being an index plus a fixed offset (defined by OMAP_INTC_START). Couple of irqs in the OMAP2/3 hwmod data were misconfigured completely as they were missing this OMAP_INTC_START relative offset. Add this offset back to fix the incorrect irq data for the following modules: OMAP2 - GPMC, RNG OMAP3 - GPMC, ISP MMU & IVA MMU Signed-off-by: Suman Anna <s-anna@ti.com> Fixes: 7d7e1eba7e92 ("ARM: OMAP2+: Prepare for irqs.h removal") Fixes: ec2c0825ca31 ("ARM: OMAP2+: Remove hardcoded IRQs and enable SPARSE_IRQ") Cc: Tony Lindgren <tony@atomide.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-26ARM: DRA7: hwmod: Fix boot crash with DEBUG_LLRajendra Nayak1-1/+1
With commit '7dedd34: ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with DEBUG_LL' we moved from parsing cmdline to identify uart used for earlycon to using the requsite hwmod CONFIG_DEBUG_OMAPxUARTy FLAGS. On DRA7 though, we seem to be missing this flag, and atleast on the DRA7 EVM where we use uart1 for console, boot fails with DEBUG_LL enabled. Reported-by: Lokesh Vutla <lokeshvutla@ti.com> Tested-by: Lokesh Vutla <lokeshvutla@ti.com> # on a different base Signed-off-by: Rajendra Nayak <rnayak@ti.com> Fixes: 7dedd346941d ("ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with DEBUG_LL") Signed-off-by: Paul Walmsley <paul@pwsan.com>
2013-12-24Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds13-94/+274
Pull block fixes from Jens Axboe: - fix for a memory leak on certain unplug events - a collection of bcache fixes from Kent and Nicolas - a few null_blk fixes and updates form Matias - a marking of static of functions in the stec pci-e driver * 'for-linus' of git://git.kernel.dk/linux-block: null_blk: support submit_queues on use_per_node_hctx null_blk: set use_per_node_hctx param to false null_blk: corrections to documentation null_blk: warning on ignored submit_queues param null_blk: refactor init and init errors code paths null_blk: documentation null_blk: mem garbage on NUMA systems during init drivers: block: Mark the functions as static in skd_main.c bcache: New writeback PD controller bcache: bugfix for race between moving_gc and bucket_invalidate bcache: fix for gc and writeback race bcache: bugfix - moving_gc now moves only correct buckets bcache: fix for gc crashing when no sectors are used bcache: Fix heap_peek() macro bcache: Fix for can_attach_cache() bcache: Fix dirty_data accounting bcache: Use uninterruptible sleep in writeback bcache: kthread don't set writeback task to INTERUPTIBLE block: fix memory leaks on unplugging block device bcache: fix sparse non static symbol warning
2013-12-24Merge branch 'for-3.13-fixes' of ↵Linus Torvalds1-18/+32
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: "Two fixes. One fixes a bug in the error path of cgroup_create(). The other changes cgrp->id lifetime rule so that the id doesn't get recycled before all controller states are destroyed. This premature id recycling made memcg malfunction" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: don't recycle cgroup id until all csses' have been destroyed cgroup: fix cgroup_create() error handling path
2013-12-24Merge branch 'for-3.13-fixes' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu Pull percpu fix from Tejun Heo: "A single commit to fix a spurious sparse warning coming from DEFINE_PER_CPU()'s hack to support the use of weak symbols. Shouldn't cause observable behavior change" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: percpu: fix spurious sparse warnings from DEFINE_PER_CPU()
2013-12-24Merge branch 'for-3.13-fixes' of ↵Linus Torvalds7-12/+58
git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata Pull libata fixes from Tejun Heo: "There's one interseting commit - "libata, freezer: avoid block device removal while system is frozen". It's an ugly hack working around a deadlock condition between driver core resume and block layer device removal paths through freezer which was made more reproducible by writeback being converted to workqueue some releases ago. The bug has nothing to do with libata but it's just an workaround which is easy to backport. After discussion, Rafael and I seem to agree that we don't really need kernel freezables - both kthread and workqueue. There are few specific workqueues which constitute PM operations and require freezing, which will be converted to use workqueue_set_max_active() instead. All other kernel freezer uses are planned to be removed, followed by the removal of kthread and workqueue freezer support, hopefully. Others are device-specific fixes. The most notable is the addition of NO_NCQ_TRIM which is used to disable queued TRIM commands to Micro M500 SSDs which otherwise suffers data corruption" * 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: libata, freezer: avoid block device removal while system is frozen libata: implement ATA_HORKAGE_NO_NCQ_TRIM and apply it to Micro M500 SSDs libata: disable a disk via libata.force params ahci: bail out on ICH6 before using AHCI BAR ahci: imx: Explicitly clear IMX6Q_GPR13_SATA_MPLL_CLK_EN libata: add ATA_HORKAGE_BROKEN_FPDMA_AA quirk for Seagate Momentus SpinPoint M8
2013-12-24auxvec.h: account for AT_HWCAP2 in AT_VECTOR_SIZE_BASEArd Biesheuvel1-1/+1
Commit 2171364d1a92 ("powerpc: Add HWCAP2 aux entry") introduced a new AT_ auxv entry type AT_HWCAP2 but failed to update AT_VECTOR_SIZE_BASE accordingly. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Fixes: 2171364d1a92 (powerpc: Add HWCAP2 aux entry) Cc: stable@vger.kernel.org Acked-by: Michael Neuling <michael@neuling.org> Cc: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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