- Updates to mxc_nand and gpmi drivers to support new boards and device tree
- Improve consistency of information about ECC strength in NAND devices
- Clean up partition handling of plat_nand
- Support NAND drivers without dedicated access to OOB area
- BCH hardware ECC support for OMAP
- Other fixes and cleanups, and a few new device IDs
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Merge tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd
Pull mtd update from David Woodhouse:
- More robust parsing especially of xattr data in JFFS2
- Updates to mxc_nand and gpmi drivers to support new boards and device tree
- Improve consistency of information about ECC strength in NAND devices
- Clean up partition handling of plat_nand
- Support NAND drivers without dedicated access to OOB area
- BCH hardware ECC support for OMAP
- Other fixes and cleanups, and a few new device IDs
Fixed trivial conflict in drivers/mtd/nand/gpmi-nand/gpmi-nand.c due to
added include files next to each other.
* tag 'for-linus-3.5-20120601' of git://git.infradead.org/linux-mtd: (75 commits)
mtd: mxc_nand: move ecc strengh setup before nand_scan_tail
mtd: block2mtd: fix recursive call of mtd_writev
mtd: gpmi-nand: define ecc.strength
mtd: of_parts: fix breakage in Kconfig
mtd: nand: fix scan_read_raw_oob
mtd: docg3 fix in-middle of blocks reads
mtd: cfi_cmdset_0002: Slight cleanup of fixup messages
mtd: add fixup for S29NS512P NOR flash.
jffs2: allow to complete xattr integrity check on first GC scan
jffs2: allow to discriminate between recoverable and non-recoverable errors
mtd: nand: omap: add support for hardware BCH ecc
ARM: OMAP3: gpmc: add BCH ecc api and modes
mtd: nand: check the return code of 'read_oob/read_oob_raw'
mtd: nand: remove 'sndcmd' parameter of 'read_oob/read_oob_raw'
mtd: m25p80: Add support for Winbond W25Q80BW
jffs2: get rid of jffs2_sync_super
jffs2: remove unnecessary GC pass on sync
jffs2: remove unnecessary GC pass on umount
jffs2: remove lock_super
mtd: gpmi: add gpmi support for mx6q
...
More cleanups, continuing an earlier set with omap and samsung specific
cleanups. These could not go into the first set because they have
dependencies on various other series that in turn depend on the first
cleanups.
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Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc cleanups (part 2) from Olof Johansson:
"More cleanups, continuing an earlier set with omap and samsung
specific cleanups. These could not go into the first set because they
have dependencies on various other series that in turn depend on the
first cleanups."
Fixed up conflicts in arch/arm/plat-omap/counter_32k.c due to commit
bd0493eaaf: "move read_{boot,persistent}_clock to the architecture
level" that changed how the persistent clocks were handled. And trivial
conflicts in arch/arm/mach-omap1/common.h due to just independent
changes close to each other.
* tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (35 commits)
ARM: SAMSUNG: merge plat-s5p into plat-samsung
ARM: SAMSUNG: move options for common s5p into plat-samsung/Kconfig
ARM: SAMSUNG: move setup code for s5p mfc and mipiphy into plat-samsung
ARM: SAMSUNG: move platform device for s5p uart into plat-samsung
ARM: SAMSUNG: move hr timer for common s5p into plat-samsung
ARM: SAMSUNG: move pm part for common s5p into plat-samsung
ARM: SAMSUNG: move interrupt part for common s5p into plat-samsung
ARM: SAMSUNG: move clock part for common s5p into plat-samsung
ARM: S3C24XX: Use common macro to define resources on dev-uart.c
ARM: S3C24XX: move common clock init into common.c
ARM: S3C24XX: move common power-management code to mach-s3c24xx
ARM: S3C24XX: move plat-s3c24xx/dev-uart.c into common.c
ARM: S3C24XX: move plat-s3c24xx/cpu.c
ARM: OMAP2+: Kconfig: convert SOC_OMAPAM33XX to SOC_AM33XX
ARM: OMAP2+: Kconfig: convert SOC_OMAPTI81XX to SOC_TI81XX
GPMC: add ECC control definitions
ARM: OMAP2+: dmtimer: remove redundant sysconfig context restore
ARM: OMAP: AM35xx: convert 3517 detection/flags to AM35xx
ARM: OMAP: AM35xx: remove redunant cpu_is checks for AM3505
ARM: OMAP1: Pass dma request lines in platform data to MMC driver
...
Remove multiple unused cpu_is_omap35xx macros.
In particular, the cpu_is_omap35* macros for 3503, 3515, 3525 are removed
because they are using omap_has_* feature checks and we want to
remove specific feature detection from SoC family detection.
There are no longer any cpu_is_* checks that depend on specific IP
detection.
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Lots of gpio changes, both to core code and drivers. Changes do touch
architecture code to remove the need for separate arm/gpio.h includes
in most architectures. Some new drivers are added, and a number of
gpio drivers are converted to use irq_domains for gpio inputs used as
interrupts. Device tree support has been amended to allow multiple
gpio_chips to use the same device tree node. Remaining changes are
primarily bug fixes.
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6
Pull GPIO driver changes from Grant Likely:
"Lots of gpio changes, both to core code and drivers.
Changes do touch architecture code to remove the need for separate
arm/gpio.h includes in most architectures.
Some new drivers are added, and a number of gpio drivers are converted
to use irq_domains for gpio inputs used as interrupts. Device tree
support has been amended to allow multiple gpio_chips to use the same
device tree node.
Remaining changes are primarily bug fixes."
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (33 commits)
gpio/generic: initialize basic_mmio_gpio shadow variables properly
gpiolib: Remove 'const' from data argument of gpiochip_find()
gpio/rc5t583: add gpio driver for RICOH PMIC RC5T583
gpiolib: quiet gpiochip_add boot message noise
gpio: mpc8xxx: Prevent NULL pointer deref in demux handler
gpio/lpc32xx: Add device tree support
gpio: Adjust of_xlate API to support multiple GPIO chips
gpiolib: Implement devm_gpio_request_one()
gpio-mcp23s08: dbg_show: fix pullup configuration display
Add support for TCA6424A
gpio/omap: (re)fix wakeups on level-triggered GPIOs
gpio/omap: fix broken context restore for non-OFF mode transitions
gpio/omap: fix missing check in *_runtime_suspend()
gpio/omap: remove cpu_is_omapxxxx() checks from *_runtime_resume()
gpio/omap: remove suspend/resume callbacks
gpio/omap: remove retrigger variable in gpio_irq_handler
gpio/omap: remove saved_wakeup field from struct gpio_bank
gpio/omap: remove suspend_wakeup field from struct gpio_bank
gpio/omap: remove saved_fallingdetect, saved_risingdetect
gpio/omap: remove virtual_irq_start variable
...
Conflicts:
drivers/gpio/gpio-samsung.c
Here's the big TTY/serial driver pull request for the 3.5-rc1 merge window.
Nothing major in here, just lots of incremental changes from Alan and
Jiri reworking some tty core things to behave better and to get a more
solid grasp on some of the nasty tty locking issues.
There are a few tty and serial driver updates in here as well.
All of this has been in the linux-next releases for a while with no problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull TTY updates from Greg Kroah-Hartman:
"Here's the big TTY/serial driver pull request for the 3.5-rc1 merge
window.
Nothing major in here, just lots of incremental changes from Alan and
Jiri reworking some tty core things to behave better and to get a more
solid grasp on some of the nasty tty locking issues.
There are a few tty and serial driver updates in here as well.
All of this has been in the linux-next releases for a while with no
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'tty-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (115 commits)
serial: bfin_uart: Make MMR access compatible with 32 bits bf609 style controller.
serial: bfin_uart: RTS and CTS MMRs can be either 16-bit width or 32-bit width.
serial: bfin_uart: narrow the reboot condition in DMA tx interrupt
serial: bfin_uart: Adapt bf5xx serial driver to bf60x serial4 controller.
Revert "serial_core: Update buffer overrun statistics."
tty: hvc_xen: NULL dereference on allocation failure
tty: Fix LED error return
tty: Allow uart_register/unregister/register
tty: move global ldisc idle waitqueue to the individual ldisc
serial8250-em: Add DT support
serial8250-em: clk_get() IS_ERR() error handling fix
serial_core: Update buffer overrun statistics.
tty: drop the pty lock during hangup
cris: fix missing tty arg in wait_event_interruptible_tty call
tty/amiserial: Add missing argument for tty_unlock()
tty_lock: Localise the lock
pty: Lock the devpts bits privately
tty_lock: undo the old tty_lock use on the ctty
serial8250-em: Emma Mobile UART driver V2
Add missing call to uart_update_timeout()
...
Power management changes here are mostly for the omap platform, but also
include cpuidle changes for ux500 and suspend/resume code for mmp.
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Merge tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc power management changes from Olof Johansson:
"Power management changes here are mostly for the omap platform, but
also include cpuidle changes for ux500 and suspend/resume code for
mmp."
* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits)
ARM: OMAP2+: WDTIMER integration: fix !PM boot crash, disarm timer after hwmod reset
ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod database
ARM: OMAP4: hwmod_data: Name the common irq for McBSP ports
ARM: OMAP4: hwmod data: I2C: add flag for context restore
ARM: OMAP3: hwmod_data: Rename the common irq for McBSP ports
ARM: OMAP2xxx: hwmod data: add HDQ/1-wire hwmod
ARM: OMAP3: hwmod data: add HDQ/1-wire hwmod
ARM: OMAP2+: hwmod data: add HDQ/1-wire hwmod shared data
ARM: OMAP2+: HDQ1W: add custom reset function
ARM: OMAP2420: hwmod data: Add MMC hwmod data for 2420
arm: omap3: clockdomain data: Remove superfluous commas from gfx_sgx_3xxx_wkdeps[]
ARM: OMAP2+: powerdomain: Get rid off duplicate pwrdm_clkdm_state_switch() API
ARM: OMAP3: clock data: add clockdomain for HDQ functional clock
ARM: OMAP3+: dpll: Configure autoidle mode only if it's supported
ARM: OMAP2+: dmtimer: cleanup iclk usage
ARM: OMAP4+: Add prm and cm base init function.
ARM: OMAP2/3: Add idle_st bits for ST_32KSYNC timer to prcm-common header
ARM: OMAP3: Fix CM register bit masks
ARM: OMAP: clock: convert AM3517/3505 detection/flags to AM35xx
ARM: OMAP3: clock data: treat all AM35x devices the same
...
These bug fixes were not important enough to have them included in the
v3.4 release, mostly because they cover harmless warnings or unrealistic
configurations. Instead we queue them up to be picked up in the next
merge window.
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Merge tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull non-critical arm-soc bug fixes from Olof Johansson:
"These bug fixes were not important enough to have them included in the
v3.4 release, mostly because they cover harmless warnings or
unrealistic configurations. Instead we queue them up to be picked up
in the next merge window."
Fixed up trivial conflict in arch/arm/mach-omap2/board-omap4panda.c
* tag 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: spear6xx: remove board selection options
ARM: OMAP: igep0020: Specify the VPLL2 regulator unconditionally
ARM: OMAP2+: INTC: fix Kconfig option for TI81XX
ARM: OMAP2+: remove incorrect irq_chip ack field
ARM: OMAP4: Adding ID for OMAP4460 ES1.1
ARM: OMAP4: panda: add statics to remove warnings
ARM: OMAP2+: Incorrect Register Offsets in OMAP Mailbox
ARM: OMAP: fix trivial warnings for dspbridge
arm: davinci: use for_each_set_bit_from
ARM: OMAP4: hsmmc: check for null pointer
ARM: OMAP1: fix compilation issue in board-sx1.c
ARM: disable SUSPEND/ARCH_SUSPEND_POSSIBLE for ARCH_TEGRA
ARM: davinci: da850-evm: fix section mismatch
ARM: tegra: add pll_x freq table entry for 750MHz
ARM: davinci: mark spi_board_info arguments as const
ARM: davinci: fix incorrect pdctl next bit position
These cleanups are basically all over the place. The idea is to collect
changes with minimal impact but large number of changes so we can avoid
them from distracting in the diffstat in the other series.
A significant number of lines get removed here, in particular because
the ixp2000 and ixp23xx platforms get removed. These have never been
extremely popular and have fallen into disuse over time with no active
maintainer taking care of them. The u5500 soc never made it into a
product, so we are removing it from the ux500 platform.
Many good cleanups also went into the at91 and omap platforms, as has
been the case for a number of releases.
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Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull first batch of arm-soc cleanups from Olof Johansson:
"These cleanups are basically all over the place. The idea is to
collect changes with minimal impact but large number of changes so we
can avoid them from distracting in the diffstat in the other series.
A significant number of lines get removed here, in particular because
the ixp2000 and ixp23xx platforms get removed. These have never been
extremely popular and have fallen into disuse over time with no active
maintainer taking care of them. The u5500 soc never made it into a
product, so we are removing it from the ux500 platform.
Many good cleanups also went into the at91 and omap platforms, as has
been the case for a number of releases."
Trivial modify-delete conflicts in arch/arm/mach-{ixp2000,ixp23xx}
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (152 commits)
ARM: clps711x: Cleanup IRQ handling
ARM clps711x: Removed unused header mach/time.h
ARM: clps711x: Added note about support EP731x CPU to Kconfig
ARM: clps711x: Added missing register definitions
ARM: clps711x: Used own subarch directory for store header file
Dove: Fix Section mismatch warnings
ARM: orion5x: ts78xx debugging changes
ARM: orion5x: remove PM dependency from ts78xx
ARM: orion5x: ts78xx fix NAND resource off by one
ARM: orion5x: ts78xx whitespace cleanups
Orion5x: Fix Section mismatch warnings
Orion5x: Fix warning: struct pci_dev declared inside paramter list
ARM: clps711x: Combine header files into one for clps711x-targets
ARM: S3C24XX: Use common macro to define resources on mach-qt2410.c
ARM: S3C24XX: Use common macro to define resources on mach-osiris.c
ARM: EXYNOS: Adapt to cpuidle core time keeping and irq enable
ARM: S5PV210: Use common macro to define resources on mach-smdkv210.c
ARM: S5PV210: Use common macro to define resources on dev-audio.c
ARM: S5PC100: Use common macro to define resources on dev-audio.c
ARM: S5P64X0: Use common macro to define resources on dev-audio.c
...
This patch adds a simple BCH ecc computation api, similar to the
existing Hamming ecc api. It is intended to be used by the MTD layer.
It implements the following features:
- support 4-bit and 8-bit ecc computation
- do not protect user bytes in spare area, only data area is protected
- ecc for an erased NAND page (0xFFs) is also a sequence of 0xFFs
This last feature is obtained by adding a constant polynomial to
the hardware computed ecc. It allows to correct bitflips in blank pages
and is extremely useful to support filesystems such as UBIFS, which expect
erased pages to contain only 0xFFs.
This api has been tested on an OMAP3630 board.
Artem: The OMAP maintainer Tony Lindgren gave us his blessing for merging
this patch via the MTD tree.
Signed-off-by: Ivan Djelic <ivan.djelic@parrot.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Add register offsets for GPIO_IRQSTATUS_RAW_0, GPIO_IRQSTATUS_RAW_0
which are present on OMAP4+ processors. Now we can distinguish
conditions applicable to OMAP4,5 and those specific to OMAP24xx
and OMAP3xxx.
Cc: Kevin Hilman <khilman@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Cc: Cousson, Benoit <b-cousson@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Tony reported the following compile warning after commit
eeb3711b89 ("ARM: OMAP2+: clean up some
cppcheck warnings"):
arch/arm/plat-omap/usb.c: In function 'omap_otg_init':
arch/arm/plat-omap/usb.c:40: warning: unused variable 'status'
This happens if CONFIG_ARCH_OMAP_OTG is set but
CONFIG_USB_GADGET_OMAP, CONFIG_USB_OHCI_HCD,
CONFIG_USB_OHCI_HCD_MODULE, and CONFIG_USB_OTG are all unset.
Fix by localizing the status variable to the blocks that use it.
Compile-tested only, with omap2plus_defconfig and omap2plus_defconfig
with CONFIG_USB_OHCI_HCD and CONFIG_USB_OTG enabled.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Merge tag 'omap-cleanup-timer-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup2
Timer changes to make it easier to support various SoCs
By Vaibhav Hiremath
via Tony Lindgren
* tag 'omap-cleanup-timer-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP: Make OMAP clocksource source selection using kernel param
ARM: OMAP2+: Replace space with underscore in the name field of system timers
ARM: OMAP1: Add checks for possible error condition in timer_init
except for the RNG driver that will be done later on.
As this depends on omap-devel-hwmod-data-for-v3.5 and causes merge
conflict with omap-fixes-non-critical-for-v3.5, this branch is based
on merge of the two.
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Merge tag 'omap-cleanup-devices-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup2
Changes to split plat-omap/devices.c into mach-omap1 and mach-omap2
except for the RNG driver that will be done later on.
As this depends on omap-devel-hwmod-data-for-v3.5 and causes merge
conflict with omap-fixes-non-critical-for-v3.5, this branch is based
on merge of the two.
By Tony Lindgren (7) and others
via Tony Lindgren (4) and Paul Walmsley (1)
* tag 'omap-cleanup-devices-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (27 commits)
ARM: OMAP1: Pass dma request lines in platform data to MMC driver
ARM: OMAP: Move omap_mmc_add() to mach-omap1
ARM: OMAP2: Use hwmod to initialize mmc for 2420
ARM: OMAP2+: Move omap_dsp_reserve_sdram_memblock() to mach-omap2
ARM: OMAP1: Move omap_init_uwire to mach-omap1
ARM: OMAP1: Move omap_init_audio() to keep the devices in alphabetical order
ARM: OMAP2+: WDTIMER integration: fix !PM boot crash, disarm timer after hwmod reset
ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod database
ARM: OMAP4: hwmod_data: Name the common irq for McBSP ports
ARM: OMAP4: hwmod data: I2C: add flag for context restore
ARM: OMAP3: hwmod_data: Rename the common irq for McBSP ports
ARM: OMAP2xxx: hwmod data: add HDQ/1-wire hwmod
ARM: OMAP3: hwmod data: add HDQ/1-wire hwmod
ARM: OMAP2+: hwmod data: add HDQ/1-wire hwmod shared data
ARM: OMAP2+: HDQ1W: add custom reset function
ARM: OMAP2420: hwmod data: Add MMC hwmod data for 2420
arm: omap3: clockdomain data: Remove superfluous commas from gfx_sgx_3xxx_wkdeps[]
ARM: OMAP2+: powerdomain: Get rid off duplicate pwrdm_clkdm_state_switch() API
ARM: OMAP3: clock data: add clockdomain for HDQ functional clock
ARM: OMAP3+: dpll: Configure autoidle mode only if it's supported
...
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Merge tag 'omap-devel-hwmod-data-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm
Data changes related to omap hwmod
By Paul Walmsley (4) and others
via Paul Walmsley (1) and Tony Lindgren (1)
* tag 'omap-devel-hwmod-data-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: WDTIMER integration: fix !PM boot crash, disarm timer after hwmod reset
ARM: OMAP2/3: hwmod data: Add 32k-sync timer data to hwmod database
ARM: OMAP4: hwmod_data: Name the common irq for McBSP ports
ARM: OMAP4: hwmod data: I2C: add flag for context restore
ARM: OMAP3: hwmod_data: Rename the common irq for McBSP ports
ARM: OMAP2xxx: hwmod data: add HDQ/1-wire hwmod
ARM: OMAP3: hwmod data: add HDQ/1-wire hwmod
ARM: OMAP2+: hwmod data: add HDQ/1-wire hwmod shared data
ARM: OMAP2+: HDQ1W: add custom reset function
ARM: OMAP2420: hwmod data: Add MMC hwmod data for 2420
Note that this depends on omap-devel-hwmod-for-v3.5.
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Merge tag 'omap-devel-prcm-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/pm
Updates for PRCM (Power, Reset, Clock Management).
Note that this depends on omap-devel-hwmod-for-v3.5.
By Kevin Hilman (3) and others
via Paul Walmsley (2) and Tony Lindgren (1)
* tag 'omap-devel-prcm-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
arm: omap3: clockdomain data: Remove superfluous commas from gfx_sgx_3xxx_wkdeps[]
ARM: OMAP2+: powerdomain: Get rid off duplicate pwrdm_clkdm_state_switch() API
ARM: OMAP3: clock data: add clockdomain for HDQ functional clock
ARM: OMAP3+: dpll: Configure autoidle mode only if it's supported
ARM: OMAP2+: dmtimer: cleanup iclk usage
ARM: OMAP4+: Add prm and cm base init function.
ARM: OMAP2/3: Add idle_st bits for ST_32KSYNC timer to prcm-common header
ARM: OMAP3: Fix CM register bit masks
ARM: OMAP: clock: convert AM3517/3505 detection/flags to AM35xx
ARM: OMAP3: clock data: treat all AM35x devices the same
ARM: OMAP3: clock data: replace 3503/3517 flag with AM35x flag for UART4
Note that this depends on a fix in omap-fixes-non-critical-for-v3.5,
so it's based on that.
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Merge tag 'omap-cleanup-renames-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup2
Simplify some SoC config options before things get too unreadable.
Note that this depends on a fix in omap-fixes-non-critical-for-v3.5,
so it's based on that.
By Kevin Hilman (3) and others
via Tony Lindgren
* tag 'omap-cleanup-renames-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: Kconfig: convert SOC_OMAPAM33XX to SOC_AM33XX
ARM: OMAP2+: Kconfig: convert SOC_OMAPTI81XX to SOC_TI81XX
ARM: OMAP: igep0020: Specify the VPLL2 regulator unconditionally
ARM: OMAP2+: INTC: fix Kconfig option for TI81XX
ARM: OMAP2+: remove incorrect irq_chip ack field
ARM: OMAP4: Adding ID for OMAP4460 ES1.1
ARM: OMAP4: panda: add statics to remove warnings
ARM: OMAP2+: Incorrect Register Offsets in OMAP Mailbox
ARM: OMAP: fix trivial warnings for dspbridge
ARM: OMAP4: hsmmc: check for null pointer
ARM: OMAP1: fix compilation issue in board-sx1.c
Since hwmod framework now manages sysconfig context save/restore
there is no more need to touch this register in driver. Hence,
remove restore of sysconfig register in omap_timer_restore_context.
This was causing incorrect context restore of sysconfig register.
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Currently cpu_is_omap3517() actually detects any device in the AM35x
family (3517 and no-SGX version 3505.) To make it more clear what is
being detected, convert the names from 3517 to AM35xx.
This adds a new soc_is_am35xx() which duplicates the cpu_is_omap3517().
In order to avoid cross-tree dependencies with clock-tree changes,
cpu_is_omap3517() is left until the clock changes are merged,
at which point cpu_is_omap3517() will be completely removed.
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Vaibhav Hiremath <hvaibhav@ti.com>
Tested-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
[tony@atomide.com: change to use soc_is_omap instead]
Signed-off-by: Tony Lindgren <tony@atomide.com>
This hardware exists only on 2430 and later omaps, so there's no
need to have it in plat-omap/devices.c.
Note that we don't have any users for exported omap_dsp_get_mempool_base(),
so we can make it static.
Signed-off-by: Tony Lindgren <tony@atomide.com>
This hardware exists on omap1 only and there's no need to keep it
in plat-omap/devices.c. No functional changes.
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/plat-omap/devices.c: In function 'omap_dsp_reserve_sdram_memblock':
arch/arm/plat-omap/devices.c:170: warning: format '%x' expects type 'unsigned int', but argument 3 has type 'phys_addr_t'
arch/arm/mach-omap2/dsp.c: In function 'omap_dsp_init':
arch/arm/mach-omap2/dsp.c:60: warning: format '%x' expects type 'unsigned int', but argument 3 has type 'phys_addr_t'
arch/arm/mach-omap2/dsp.c:60: warning: format '%x' expects type 'unsigned int', but argument 4 has type 'phys_addr_t'
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Current OMAP code supports couple of clocksource options based
on compilation flag (CONFIG_OMAP_32K_TIMER). The 32KHz sync-timer
and a gptimer which can run on 32KHz or system clock (e.g 38.4 MHz).
So there can be 3 options -
1. 32KHz sync-timer
2. Sys_clock based (e.g 13/19.2/26/38.4 MHz) gptimer
3. 32KHz based gptimer.
The optional gptimer based clocksource was added so that it can
give the high precision than sync-timer, so expected usage was 2
and not 3.
Unfortunately option 2, clocksource doesn't meet the requirement of
free-running clock as per clocksource need. It stops in low power states
when sys_clock is cut. That makes gptimer based clocksource option
useless for OMAP2/3/4 devices with sys_clock as a clock input.
So, in order to use option 2, deeper idle state MUST be disabled.
Option 3 will still work but it is no better than 32K sync-timer
based clocksource.
We must support both sync timer and gptimer based clocksource as
some OMAP based derivative SoCs like AM33XX does not have the
sync timer.
Considering above, make sync-timer and gptimer clocksource runtime
selectable so that both OMAP and AMXXXX continue to use the same code.
And, in order to precisely configure/setup sched_clock for given
clocksource, decision has to be made early enough in boot sequence.
So, the solution is,
Use standard kernel parameter ("clocksource=") to override
default 32k_sync-timer, in addition to this, we also use hwmod database
lookup mechanism, through which at run-time we can identify availability
of 32k-sync timer on the device, else fall back to gptimer.
Also, moved low-level SoC specific init code to respective files,
(mach-omap1/timer32k.c and mach-omap2/timer.c)
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Cc: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
fix for a longstanding watchdog timer integration problem.
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Merge tag 'omap-devel-c-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into devel-hwmod-data
Some OMAP IP block data additions for 3.5, along with a
fix for a longstanding watchdog timer integration problem.
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Merge tag 'v3.4-rc6' into next/cleanup
Linux 3.4-rc6
Resolve conflict where an u5500 file had a bugfix go in, but was
deleted in the branch staged for next merge window.
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'omap-cleanup-hwmod-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup
Clean up of hwmod to shrink down the IP block interconnections
By Paul Walmsley
via Paul Walmsley (1) and Tony Lindgren (1)
* tag 'omap-cleanup-hwmod-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (29 commits)
ARM: OMAP2xxx: hwmod data: start to fix the IVA1, IVA2 and DSP
ARM: OMAP3: hwmod data: add IVA hard reset lines, main clock, clockdomain
ARM: OMAP3: hwmod data: fix IVA interface clock
ARM: OMAP2xxx: hwmod data: share common interface data
ARM: OMAP2xxx: hwmod data: share common hwmods between OMAP2420 and OMAP2430
ARM: OMAP2+: hwmod data: remove forward declarations, reorganize
ARM: OMAP: hwmod: remove code support for direct hwmod registration
ARM: OMAP2+: hwmod data: convert to link registration
ARM: OMAP2+: hwmod: add support for link registration
ARM: OMAP2+: hwmod: consolidate finding the MPU port index and storing it
ARM: OMAP2+: hwmod: add function to iterate over struct omap_hwmod_ocp_if
ARM: OMAP2+: hwmod: add _find_mpu_rt_port()
ARM: OMAP2+: hwmod: extend OCP_* register offsets from 16 to 32 bits
ARM: OMAP4: hwmod data: uncomment some "excluded" hwmods
ARM: OMAP4: hwmod data: add OCP_USER_DSP; mark omap44xx_dsp__iva appropriately
ARM: OMAP4: hwmod data: remove bandgap hwmod
ARM: OMAP3: hwmod data: GPTIMER12 is attached to a separate interconnect
ARM: OMAP3: hwmod data: add DSS->L3 interconnect for 3430ES1
ARM: OMAP3: hwmod data: fix interfaces for the MMC hwmods
ARM: OMAP2/3: hwmod data: update old names
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge tag 'omap-cleanup-sparse-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup
Sparse and cppcheck warning fixes
By Paul Walmsley
via Paul Walmsley (1) and Tony Lindgren (1)
* tag 'omap-cleanup-sparse-for-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: clean up some cppcheck warnings
ARM: OMAP1: board files: deduplicate and clean some NAND-related code
ARM: OMAP: USB: remove unnecessary sideways include
ARM: OMAP: DMA: use constant array maximum, drop some LCD DMA code
ARM: OMAP: OCM RAM: use memset_io() when clearing SRAM
ARM: OMAP: fix 'using plain integer as NULL pointer' sparse warnings
ARM: OMAP2+: GPMC: resolve type-conversion warning from sparse
ARM: OMAP1: OHCI: use platform_data fn ptr to enable OCPI bus
ARM: OMAP1: OCPI: move to mach-omap1/
ARM: OMAP: add includes for missing prototypes
ARM: OMAP2+: declare file-local functions as static
Signed-off-by: Olof Johansson <olof@lixom.net>
Implement a custom reset function for the HDQ1W IP block. This is
because the HDQ1W IP block, like I2C, has an internal clock gating bit
that needs to be toggled after setting the SOFTRESET bit to allow the
reset to propagate.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: NeilBrown <neilb@suse.de>
Cc: Avinash.H.M <avinashhm@ti.com>
Tested-by: NeilBrown <neilb@suse.de>
Add MMC for 2420 so we can pass the DMA request lines the same
way as we already do on omap2430 and later.
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
[paul@pwsan.com: updated to apply on top of the 3.5 hwmod cleanup;
changed mmc hwmod name/class to "msdi" as documented in the 2420 TRM Rev X;
added sysconfig register information; added 16 bit register width flag;
added MSDI custom reset code]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
powerdomain, PRM, and CM changes.
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Merge tag 'omap-devel-b-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into devel-prcm
Some OMAP PRCM updates for 3.5. Includes some clock, clockdomain,
powerdomain, PRM, and CM changes.
The system dma module has capabiities register indicating
the support for descriptor loading, constant fill, etc.
Use this instead of OMAP revision check to identify the features
supported runtime.
This avoids patching the code for feature SOCs which has
those capabilities.
Signed-off-by: R Sricharan <r.sricharan@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
cpu_class_is_omap2() contains all OMAP2+ devices. So update the DMA code
cpu checks accordingly so that there is no need to patch
the file for any future OMAP2+ devices.
In long run, all these attributes should come from hwmod dev_attr based
on DMA IP version.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
We do not use iclk anywhere in the dmtimer driver and so removing it.
Hence removing the timer iclk entries from OMAP4 clkdev table as well.
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
To improve the clarity of the code, replace the CK_3517 flag used in
the clock data with CK_AM35XX. The CK_3505 flag can also be
removed, since it is now unused.
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
At the moment, read_persistent_clock is implemented at the
platform level, which makes it impossible to compile these
platforms in a single kernel.
Implement these two functions at the architecture level, and
provide a thin registration interface for both read_boot_clock
and read_persistent_clock. The two affected platforms (OMAP and
Tegra) are converted at the same time.
Reported-by: Jeff Ohlstein <johlstei@codeaurora.org>
Tested-by: Stephen Warren <swarren@wwwdotorg.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Using coherent DMA memory with the OMAP DMA engine results in
unpredictable behaviour due to memory ordering issues; as things stand,
there is no guarantee that data written to coherent DMA memory will be
visible to the DMA hardware.
This is because the OMAP dma_write() accessor contains no barriers,
necessary on ARMv6 and above. The effect of this can be seen in comments
in the OMAP serial driver, which incorrectly talks about cache flushing
for the coherent DMA stuff.
Rather than adding barriers to the accessors, add it in the DMA support
code just before we enable DMA, and just after we disable DMA. This
avoids having barriers for every DMA register access.
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
OMAP44xx family of SoCs. There still seem to be a few missing, such
as those for the MMU IP blocks, but this seems to cover the bulk of
the remainder.
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Merge tag 'omap-devel-a-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into devel-hwmod
Add in most of the remaining hwmods (IP block descriptions) for the
OMAP44xx family of SoCs. There still seem to be a few missing, such
as those for the MMU IP blocks, but this seems to cover the bulk of
the remainder.
control code for OMAP SoCs. In particular, this series results in
a considerable diffstat savings by changing the way that IP block
interconnections are defined.
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Merge tag 'omap-cleanup-b-for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into cleanup-hwmod
Clean up various aspects of the OMAP hwmod code, which is the IP block
control code for OMAP SoCs. In particular, this series results in
a considerable diffstat savings by changing the way that IP block
interconnections are defined.
