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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (115 commits)
EHCI: fix direction handling for interrupt data toggles
USB: serial: add IDs for WinChipHead USB->RS232 adapter
USB: OHCI: fix another regression for NVIDIA controllers
usb: gadget: m66592-udc: add pullup function
usb: gadget: m66592-udc: add function for external controller
usb: gadget: r8a66597-udc: add pullup function
usb: renesas_usbhs: support multi driver
usb: renesas_usbhs: inaccessible pipe is not an error
usb: renesas_usbhs: care buff alignment when dma handler
USB: PL2303: correctly handle baudrates above 115200
usb: r8a66597-hcd: fixup USB_PORT_STAT_C_SUSPEND shift
usb: renesas_usbhs: compile/config are rescued
usb: renesas_usbhs: fixup comment-out
usb: update email address in ohci-sh and r8a66597-hcd
usb: r8a66597-hcd: add function for external controller
EHCI: only power off port if over-current is active
USB: mon: Allow to use usbmon without debugfs
USB: EHCI: go back to using the system clock for QH unlinks
ehci: add pci quirk for Ordissimo and RM Slate 100 too
ehci: refactor pci quirk to use standard dmi_check_system method
...
Fix up trivial conflicts in Documentation/feature-removal-schedule.txt
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc
* 'next/cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux-arm-soc: (133 commits)
ARM: EXYNOS4: Change devname for FIMD clkdev
ARM: S3C64XX: Cleanup mach/regs-fb.h from mach-s3c64xx
ARM: S5PV210: Cleanup mach/regs-fb.h from mach-s5pv210
ARM: S5PC100: Cleanup mach/regs-fb.h from mach-s5pc100
ARM: S3C24XX: Use generic s3c_set_platdata for devices
ARM: S3C64XX: Use generic s3c_set_platdata for OneNAND
ARM: SAMSUNG: Use generic s3c_set_platdata for NAND
ARM: SAMSUNG: Use generic s3c_set_platdata for USB OHCI
ARM: SAMSUNG: Use generic s3c_set_platdata for HWMON
ARM: SAMSUNG: Use generic s3c_set_platdata for FB
ARM: SAMSUNG: Use generic s3c_set_platdata for TS
ARM: S3C64XX: Add PWM backlight support on SMDK6410
ARM: S5P64X0: Add PWM backlight support on SMDK6450
ARM: S5P64X0: Add PWM backlight support on SMDK6440
ARM: S5PC100: Add PWM backlight support on SMDKC100
ARM: S5PV210: Add PWM backlight support on SMDKV210
ARM: EXYNOS4: Add PWM backlight support on SMDKC210
ARM: EXYNOS4: Add PWM backlight support on SMDKV310
ARM: SAMSUNG: Create a common infrastructure for PWM backlight support
clocksource: convert 32-bit down counting clocksource on S5PV210/S5P64X0
...
Fix up trivial conflict in arch/arm/mach-imx/mach-scb9328.c
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* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (237 commits)
ARM: 7004/1: fix traps.h compile warnings
ARM: 6998/2: kernel: use proper memory barriers for bitops
ARM: 6997/1: ep93xx: increase NR_BANKS to 16 for support of 128MB RAM
ARM: Fix build errors caused by adding generic macros
ARM: CPU hotplug: ensure we migrate all IRQs off a downed CPU
ARM: CPU hotplug: pass in proper affinity mask on IRQ migration
ARM: GIC: avoid routing interrupts to offline CPUs
ARM: CPU hotplug: fix abuse of irqdesc->node
ARM: 6981/2: mmci: adjust calculation of f_min
ARM: 7000/1: LPAE: Use long long printk format for displaying the pud
ARM: 6999/1: head, zImage: Always Enter the kernel in ARM state
ARM: btc: avoid invalidating the branch target cache on kernel TLB maintanence
ARM: ARM_DMA_ZONE_SIZE is no more
ARM: mach-shark: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
ARM: mach-sa1100: move ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
ARM: mach-realview: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
ARM: mach-pxa: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
ARM: mach-ixp4xx: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
ARM: mach-h720x: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
ARM: mach-davinci: move from ARM_DMA_ZONE_SIZE to mdesc->dma_zone_size
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: (51 commits)
PM: Improve error code of pm_notifier_call_chain()
PM: Add "RTC" to PM trace time stamps to avoid confusion
PM / Suspend: Export suspend_set_ops, suspend_valid_only_mem
PM / Suspend: Add .suspend_again() callback to suspend_ops
PM / OPP: Introduce function to free cpufreq table
ARM / shmobile: Return -EBUSY from A4LC power off if A3RV is active
PM / Domains: Take .power_off() error code into account
ARM / shmobile: Use genpd_queue_power_off_work()
ARM / shmobile: Use pm_genpd_poweroff_unused()
PM / Domains: Introduce function to power off all unused PM domains
OMAP: PM: disable idle on suspend for GPIO and UART
OMAP: PM: omap_device: add API to disable idle on suspend
OMAP: PM: omap_device: add system PM methods for PM domain handling
OMAP: PM: omap_device: conditionally use PM domain runtime helpers
PM / Runtime: Add new helper function: pm_runtime_status_suspended()
PM / Domains: Queue up power off work only if it is not pending
PM / Domains: Improve handling of wakeup devices during system suspend
PM / Domains: Do not restore all devices on power off error
PM / Domains: Allow callbacks to execute all runtime PM helpers
PM / Domains: Do not execute device callbacks under locks
...
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'mmci', 'suspend' and 'vfp' into for-next
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* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6: (61 commits)
gpio/mxc/mxs: fix build error introduced by the irq_gc_ack() renaming
mcp23s08: add i2c support
mcp23s08: isolate spi specific parts
mcp23s08: get rid of setup/teardown callbacks
gpio/tegra: dt: add binding for gpio polarity
mcp23s08: remove unused work queue
gpio/da9052: remove a redundant assignment for gpio->da9052
gpio/mxc: add device tree probe support
ARM: mxc: use ARCH_NR_GPIOS to define gpio number
gpio/mxc: get rid of the uses of cpu_is_mx()
gpio/mxc: add missing initialization of basic_mmio_gpio shadow variables
gpio: Move mpc5200 gpio driver to drivers/gpio
GPIO: DA9052 GPIO module v3
gpio/tegra: Use engineering names in DT compatible property
of/gpio: Add new method for getting gpios under different property names
gpio/dt: Refine GPIO device tree binding
gpio/ml-ioh: fix off-by-one for displaying variable i in dev_err
gpio/pca953x: Deprecate meaningless device-tree bindings
gpio/pca953x: Remove dynamic platform data pointer
gpio/pca953x: Fix IRQ support.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup
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* pm-runtime:
OMAP: PM: disable idle on suspend for GPIO and UART
OMAP: PM: omap_device: add API to disable idle on suspend
OMAP: PM: omap_device: add system PM methods for PM domain handling
OMAP: PM: omap_device: conditionally use PM domain runtime helpers
PM / Runtime: Add new helper function: pm_runtime_status_suspended()
PM / Runtime: Consistent utilization of deferred_resume
PM / Runtime: Prevent runtime_resume from racing with probe
PM / Runtime: Replace "run-time" with "runtime" in documentation
PM / Runtime: Improve documentation of enable, disable and barrier
PM: Limit race conditions between runtime PM and system sleep (v2)
PCI / PM: Detect early wakeup in pci_pm_prepare()
PM / Runtime: Return special error code if runtime PM is disabled
PM / Runtime: Update documentation of interactions with system sleep
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Until these drivers are runtime PM converted, their device power
states are managed by calling custom driver hooks late in the
idle/suspend path. Therefore, do not let the suspend/resume core code
automatically idle these devices since they will be managed manually
by the OMAP PM core very late in the idle/suspend path.
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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'combine_common_hwmod_3.1', 'omap4_hwmod_data_cleanup_a_3.1', 'clock_cleanup_a_3.1', 'prcm_cleanup_a_3.1', 'omap_pm_cleanup_3.1' and 'omap_device_cleanup_3.1' into prcm-cleanup-3.1
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UNIPRO was removed from OMAP4 devices from ES2.0 onwards.
Since this IP was anyway non-functional and not supported,
it is best to remove it completely.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[b-cousson@ti.com: Update the changelog]
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
[paul@pwsan.com: split PRCM header file changes into a separate patch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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McASP2, 3 and MMC6 modules are not present in the OMAP4 family.
Remove the fclk and the clksel related to these nodes.
Rename the references that were potentially re-used in order nodes.
Remove related macros in prcm header files.
Update TI copyright date.
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[b-cousson@ti.com: Update the patch according to autogen output]
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
[paul@pwsan.com: split PRCM data changes into a separate patch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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MPUSS was renamed MPU and L3_D2D D2D.
The rename will slightly change the order of the structure
and thus generate some structures moves.
Add a comment and remove a comma.
Update Copyright for TI and Nokia and add back Paul
in the author list.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Some maros were not well aligned. Re-align them.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The restore part of the CM is an alias of some regular registers
used only during the SAR restore to facilate the dma to write
a contiguous set of registers.
The registers should never be used by the SW, only the original
register have to be used.
Remove them from cmX_44xx.h files to avoid anybody to use them by
mistake.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Indent flags to be aligned with other fields.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
[paul@pwsan.com: split this patch from an earlier patch by Benoît;
edited commit message]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The following commit introduced new macros to define an offset
per clock domain in an instance.
commit e4156ee52fe617c2c2d80b5db993ff4bf07d7c3c
OMAP4: CM instances: add clockdomain register offsets
The PRM contains only two clock controls management entities:
EMU and WKUP.
Remove the other ones.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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A couple of macros were wrongly changed during the _MOD to _INST
rename done in the following commit:
OMAP4: PRCM: rename _MOD macros to _INST
cdb54c4457d68994da7c2e16907adfbfc130060d
Fix them to their original name.
Some CM and PRM instances were not well aligned. Align them.
Remove one blank line in cm2_44xx.h to align the output with
the other (cm1_44xx.h, prm44xx.h) files.
Update header copyright date.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The DPLL USB can generate higher speed (x2) than the regular ones.
The max multiplication value is then twice the previous value.
Fix both max_mult and max_div with that correct values.
Change the max_div variable type to u16 to allow storing up to 256.
Replace as well the define with the value to avoid
unneeded indirection and provide a better readability.
Remove the defines that become useless.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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A couple of fieds were edited manually and thus do not stick
to the template used by the generator and by other structures.
Move them to the correct location.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
[paul@pwsan.com: dropped the UNIPRO changes since those will be removed
in a later patch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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usb_host_fs_fck does have a clkdev mapping with "usbhs-omap.0"
and "fs_fck" alias used by the driver.
The entry with NULL dev is thus not needed anymore.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The USB DPLL is a J-Type DPLL with the sddiv extra parameter. Add it
in USB DPLL.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
[paul@pwsan.com: dropped UNIPRO change since it is removed in a later patch]
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The interconnect modules were using a slightly different layout than
the regular modules.
Align the layout for better consitency.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Fix .prcm alignement and usb_otg_hs class and hwmod structures.
Add a couple of more potential hwmods in the comment.
Remove hsi, since it is already included in the data.
Remove one blank line.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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A couple of parens were added around some flags.
Remove them, since they are not needed and not used
for any other hwmods.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Change the position of the ocp_if structure to match the template.
Remove unneeded comma at the end of address space flag field.
Remove USER_SDMA since this ocp link is only from the l3_main_1
path that is accessible only from the MPU in that case and not
the SDMA.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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To reduce kernel source file data duplication, share struct
omap_hwmod_class and omap_hwmod_class_sysconfig arrays across OMAP2xxx
and 3xxx hwmod data files.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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To reduce kernel source file data duplication, share struct
omap_hwmod_dma_info arrays across OMAP2xxx and 3xxx hwmod data files.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Previously, struct omap_hwmod_dma_info arrays were unterminated; and
users of these arrays used the ARRAY_SIZE() macro to determine the
length of the array. However, ARRAY_SIZE() only works when the array
is in the same scope as the macro user.
So far this hasn't been a problem. However, to reduce duplicated
data, a subsequent patch will move common data to a separate, shared
file. When this is done, ARRAY_SIZE() will no longer be usable.
This patch removes ARRAY_SIZE() usage for struct omap_hwmod_dma_info
arrays and uses a sentinel value (irq == -1) as the array terminator
instead.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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To reduce kernel source file data duplication, share struct
omap_hwmod_mpu_irqs arrays across OMAP2xxx and 3xxx hwmod data files.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Previously, struct omap_hwmod_mpu_irqs arrays were unterminated; and
users of these arrays used the ARRAY_SIZE() macro to determine the
length of the array. However, ARRAY_SIZE() only works when the array
is in the same scope as the macro user.
So far this hasn't been a problem. However, to reduce duplicated
data, a subsequent patch will move common data to a separate, shared
file. When this is done, ARRAY_SIZE() will no longer be usable.
This patch removes ARRAY_SIZE() usage for struct omap_hwmod_mpu_irqs
arrays and uses a sentinel value (irq == -1) as the array terminator
instead.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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To reduce kernel source file data duplication, share struct
omap_hwmod_addr_space arrays across OMAP2xxx and 3xxx hwmod data
files.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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arrays
Previously, struct omap_hwmod_addr_space arrays were unterminated; and
users of these arrays used the ARRAY_SIZE() macro to determine the
length of the array. However, ARRAY_SIZE() only works when the array
is in the same scope as the macro user.
So far this hasn't been a problem. However, to reduce duplicated
data, a subsequent patch will move common data to a separate, shared
file. When this is done, ARRAY_SIZE() will no longer be usable.
This patch removes ARRAY_SIZE() usage for struct omap_hwmod_addr_space
arrays and uses a null structure member as the array terminator
instead.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Move the pr_debug at the top of the function
to trace the entry even if the first test is failing.
That help understanding that we entered the function
but failed in it.
Move the _enable last part out of the test to reduce
indentation and improve readability.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Change the debug into warning to check what IPs are failing.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The HW reset must be de-assert after the clocks are enabled
but before waiting for the target to be ready. Otherwise the
reset might not work properly since the clock is not running
to proceed the reset.
De-assert the reset after _enable_clocks and before
_wait_target_ready.
Re-assert it only when the clocks are disabled.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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It is perfectly valid for some hwmod to not have any
register target address for sysconfig. This is especially
true for interconnect hwmods.
Remove the warning.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The Type 2 type of IPs will not have any enawakeup bit in their sysconfig.
Writing to that bit will instead trigger a softreset.
Check the flag to write this bit only if the module supports it.
Reported-by: Miguel Vadillo <vadillo@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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When calling the shutdown, the module may be already in idle.
Accessing the sysconfig register will then lead to a crash.
In that case, re-enable the module in order to allow the access
to the sysconfig register.
Signed-off-by: Miguel Vadillo <vadillo@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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Add the flag to every IPs that support it to allow the
framework to enable it instead of the SMART_STANDBY default
mode.
Without that, an IP with busmaster capability will not
be able to wakeup the interconnect at all.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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The commit 86009eb326afde34ffdc5648cd344aa86b8d58d4 was adding
the wakeup support for new OMAP4 IPs. This support is incomplete for
busmaster IPs that need as well to use smart-standby with wakeup.
This new standbymode is suported on HSI and USB_HOST_FS for the moment.
Add the new MSTANDBY_SMART_WKUP flag to mark the IPs that support this
capability.
Enable this new mode when applicable in _enable_wakeup, _disable_wakeup,
_enable_sysc and _idle_sysc.
The omap_hwmod_44xx_data.c will have to be updated to add this new flag.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Djamil Elaidi <d-elaidi@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
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git+ssh://master.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into omap/cleanup
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If an ARM system has multiple cpus in the same socket and the
kernel is booted with maxcpus=1, secondary cpus are possible but
not present due to how platform_smp_prepare_cpus() is called.
Since most typical ARM processors don't actually support physical
hotplug, initialize the present map to be equal to the possible
map in generic ARM SMP code. Also, always call
platform_smp_prepare_cpus() as long as max_cpus is non-zero (0
means no SMP) to allow platform code to do any SMP setup.
After applying this patch it's possible to boot an ARM system
with maxcpus=1 on the command line and then hotplug in secondary
cpus via sysfs. This is more in line with how x86 does things.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: David Brown <davidb@codeaurora.org>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Cc: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Some regulator config can be moved out from board files,
since they are close to identical.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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Reduce the amount of duplicated code by moving the common
configuration for twl4030/5030/tpsxx to the twl-common file.
Use the omap3_pmic_get_config function from board files to
properly configure the PMIC with the common fields.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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Reduce the amount of duplicated code by moving the common
configuration for TWL6030 (on OMAP4 platform) to the
twl-common file.
Use the omap4_pmic_get_config function from board files to
properly configure the PMIC with the common fields.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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Introduce a new file, which will be used to configure
common pmic (TWL) devices, regulators, and TWL audio.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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Pointers to statically declared platform device structures which are
registered with platform_device_register() are then used during run time
to access these structure members, for example from platform_uevent()
and much more. Therefore, these structures should never be placed inside
sections which are dropped after boot. Fix platform devices incorrectly
tagged with __initdata which happen to exist inside OMAP sub-trees.
This bug has exhibited itself on my ARM/OMAP1 based Amstrad Delta
videophone after commit 6d3163ce86dd386b4f7bda80241d7fea2bc0bb1d, "mm:
check if any page in a pageblock is reserved before marking it
MIGRATE_RESERVE", resulting in reading from several
/sys/device/platform/*/uevent files always ending up with segmentation
faults.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Varadarajan, Charulatha <charu@ti.com>
Cc: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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There are SoCs where attempting to enter a low power state is ignored,
and the CPU continues executing instructions with all state preserved.
It is over-complex at that point to disable the MMU just to call the
resume path.
Instead, allow the suspend finisher to return error codes to abort
suspend in this circumstance, where the cpu_suspend internals will then
unwind the saved state on the stack. Also omit the tlb flush as no
changes to the page tables will have happened.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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there's no point in not creating that device
always. It's simpler to always create, than to
keep changing that stupid ifdef.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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