Rajendra Nayak [Wed, 19 May 2010 02:24:01 +0000 (20:24 -0600)]
OMAP4 powerdomain: Fix pwrsts flags for ALWAYS ON domains
The pwrsts flag for ALWAYS ON domains like always_on_core_pwrdm
and wkup_pwrdm is wrongly populated with the define for a
powerdomain power state, instead of the allowable state
bitfields.
This causes a few api's to fail sensing invalid pwrst
requested.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Rajendra Nayak [Wed, 19 May 2010 02:24:00 +0000 (20:24 -0600)]
OMAP: timers: Fix clock source names for OMAP4
The clock sources for timers on OMAP4 (system clock and 32k
clock) have their names wronly populated.
This patch fixes them so the omap_dm_timer_set_source
does not fail anymore.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Rajendra Nayak [Wed, 19 May 2010 02:23:59 +0000 (20:23 -0600)]
OMAP4 clock: Support clk_set_parent
Remove the hack put in place while clock framework was still not in
place for OMAP4.
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Rajendra Nayak [Thu, 20 May 2010 18:31:12 +0000 (12:31 -0600)]
OMAP4: PRCM: Add offset defines for all CM registers
The cm44xx.h files only had absolute register address
defines for all CM registers.
This patch adds additional register offset defines for all the
registers, so they can be used with apis like cm_read_mod_*
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Rajendra Nayak [Thu, 20 May 2010 18:31:12 +0000 (12:31 -0600)]
OMAP4: PRCM: Add offset defines for all PRM registers
The prm44xx.h files only had absolute register address
defines for all PRM registers.
This patch adds additional register offset defines for all the
registers, so they can be used with apis like prm_read_mod_*
Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:12 +0000 (12:31 -0600)]
OMAP4: PRCM: Remove duplicate definition of base addresses
CM1, CM2, PRM, SCRM and MPU_PRCM are already defined in omap44xx.h
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Benoit Cousson [Thu, 20 May 2010 18:31:11 +0000 (12:31 -0600)]
OMAP4: PRM: Remove MPU internal code name and apply PRCM naming convention
The MPU subsystem was named based on internal code name (CHIRON).
This patch will remove all the occurences of the chiron name
are replace it with PRCM_MPU in order to differentiate
the MPU local PRCM to the global one.
Remove PDA_ from PRCM_MPU registers names to stick to the global
PRM naming convention.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Benoit Cousson [Thu, 20 May 2010 18:31:11 +0000 (12:31 -0600)]
OMAP4: CM: Remove non-functional registers in ES1.0
The automatic HW restore from OFF mode is not functional at all in
OMAP4430 ES1.0.
Because of that, it will be extensively changed in the next Si revision,
and the compatibilty will not be maintained with ES1.0.
Remove the current XXX_RESTORE registers definition to avoid future
conflicts with the next Si revision.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Benoit Cousson [Thu, 20 May 2010 18:31:10 +0000 (12:31 -0600)]
OMAP: hwmod: Replace WARN by pr_warning for clockdomain check
Most of the clock nodes belong to a clock domain, but it is perfectly valid
to have clock without clock domain.
Root clocks for example does not belong to any clock domain.
Keep the warning but reduce the verbosity.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:10 +0000 (12:31 -0600)]
OMAP: hwmod: Rename hwmod name for the MPU
In the lastest OMAP4 hwmod data file, the _hwmod was removed
in order to save some memory space and because it does not
bring a lot.
The same cleanup will be have to done for other hwmods in
OMAP2 & 3 data files.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Benoit Cousson [Thu, 20 May 2010 18:31:10 +0000 (12:31 -0600)]
OMAP: hwmod: Do not exit the iteration if one clock init failed
During the _init_clocks phase, the iteration is stopped but the
status is still change from _HWMOD_STATE_REGISTERED to
_HWMOD_STATE_CLKS_INITED.
Since the _setup phase will be done nevertheless, it might be
better to keep initializing the others clocks nodes and just
keep the warning.
It is much easier to debug when a important number of clocks
name are wrong during the early debug phase of a new platform.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:09 +0000 (12:31 -0600)]
OMAP: hwmod: Replace WARN by pr_warning if clock lookup failed
The WARN is a little bit too verbose and is not providing
usefull information in that case.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:09 +0000 (12:31 -0600)]
OMAP: hwmod: Remove IS_ERR check with omap_clk_get_by_name return value
The previous clock API was returning a standard linux error code in
case of failure. This is not the case anymore with the new
omap_clk_get_by_name API. A NULL value means that the clock node
does not exist.
Replace all the IS_ERR check by a !clk check.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:09 +0000 (12:31 -0600)]
OMAP: hwmod: Fix wrong pointer iteration in oh->slaves
The iteration is currently done on the omap_hwmod_ocp_if pointer
and not on the table pointer that reference them.
It worked most of the time because the structure are contiguous in
memory.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:09 +0000 (12:31 -0600)]
OMAP4: hwmod: Replace OCPIF_HAS_IDLEST by HWMOD_NO_IDLEST
Some initiator modules in OMAP2 & 3 does not have IDLEST bit,
in that case we cannot detect the module readiness by
polling that bit and must exist the function immediately
assuming that the module is ready.
The previous flag was affected to the OCP interface. While it is
technically true that the idlest is related to the L4 slave
interface of the module, the PRCM status belong to the module.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:08 +0000 (12:31 -0600)]
OMAP4: hwmod & CM: Implement the omap4_cm_wait_module_ready function
The return of the omap4_cm_wait_module_ready function is checked
in order to avoid accessing the sysconfig register if the module is
not in the correct state.
In that case the _setup will exit without trying to reset
using sysconfig.
For the moment a warning is printed. A proper management of fclk
and module reset will have to be done in order to init correctly
the problematic IPs listed below.
<4>omap_hwmod: ivahd: cannot be enabled (3)
<4>omap_hwmod: iss: cannot be enabled (3)
<4>omap_hwmod: tesla: cannot be enabled (3)
<4>omap_hwmod: sdma: cannot be enabled (3)
<4>omap_hwmod: sl2: cannot be enabled (3)
<4>omap_hwmod: sad2d: cannot be enabled (3)
<4>omap_hwmod: ducati: cannot be enabled (3)
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:08 +0000 (12:31 -0600)]
OMAP: CM: Move MAX_MODULE_READY_TIME to cm.h
The maximum timeout to wait for the PRCM to request that a module
exit idle or reach functionnal state is common to OMAP2/3/4 SoCs,
so, move it to the chip family-common cm.h include file.
Reduce the timeout from 20 ms to 2 ms.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Benoit Cousson [Thu, 20 May 2010 18:31:08 +0000 (12:31 -0600)]
OMAP4: hwmod: Replace module & device offsets by absolute clkctrl address
Accessing the clkctrl register using offset of module & device is hard
to do in OMAP4 due to the way the CM1, CM2, PRM and PRCM_MPU are located
in the address space. There is no common base address anymore for all the
CM registers.
The easiest way to handle that on OMAP4 is to provide the absolute address
of the XXX_CLKCTRL register per hwmod.
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Paul Walmsley [Wed, 19 May 2010 00:40:26 +0000 (18:40 -0600)]
OMAP clock: resolve old checkpatch and CodingStyle issues with plat-omap/clock.c
Clean up comment style, remove unnecessary includes, and resolve some
checkpatch warnings in plat-omap/clock.c.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Paul Walmsley [Wed, 19 May 2010 00:40:26 +0000 (18:40 -0600)]
OMAP3 clock: remove unnecessary duplicate of dpll4_m2_ck, added for 36xx
Commit
678bc9a2eabb7f444ef8ad1cfc5ef394e2bd8bf2 split dpll4_m2_ck,
creating a 34xx and a 36xx variant, to handle the additional 16
divider steps provided on the 36xx. This in turn required dynamic
rewriting of the clock tree during initialization, which is
undesirable. All this seems to be unnecessary, though, since the
additional 16 divider steps can simply be marked with RATE_IN_36XX.
This patch does so and re-merges the affected structures.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Vishwanath Sripathy <vishwanath.bs@ti.com>
Paul Walmsley [Wed, 19 May 2010 00:40:25 +0000 (18:40 -0600)]
OMAP3 clock: rename RATE_IN_343X, RATE_IN_3430ES2 to match reality
Rename the RATE_IN_343X clksel_rate.rate flag to be RATE_IN_3XXX, to reflect
that these rates are valid on all OMAP3 platforms, not just 343X.
Also rename the RATE_IN_OMAP3430ES2 clksel_rate.rate flag to be
RATE_IN_OMAP3430ES2PLUS, to reflect that these flags are valid on all
OMAP3 platforms after 3430ES2.
This patch should not result in any functional changes.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Richard Woodruff <r-woodruff2@ti.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: Ranjith Lohithakshan <ranjithl@ti.com>
Paul Walmsley [Wed, 19 May 2010 00:40:24 +0000 (18:40 -0600)]
OMAP2+ clock: clean up clkt_clksel.c
This patch cleans up arch/arm/mach-omap2/clkt_clksel.c. It:
- makes several functions static that are not called outside the file;
- adds documentation;
- makes some code paths easier to read (hopefully), by breaking up
compound statements and removing redundant checks;
- converts some pr_err()s that indicate clock tree data problems into WARN()s,
so they are more likely to be noticed;
- and moves omap2_clk_round_rate() back into mach-omap2/clock.c, its proper
home, since it is not clksel-specific.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Paul Walmsley [Wed, 19 May 2010 00:40:24 +0000 (18:40 -0600)]
OMAP2+ clock: remove DEFAULT_RATE clksel_rate flag
The DEFAULT_RATE clksel_rate flag is essentially useless. It was set
on some of the lowest divisors, which, when switching to a much
higher-rate parent, could have potentially resulted in rates that
exceeded the hardware specifications for downstream clocks in the
window between the clk_set_parent(), and a subsequent clk_set_rate().
It seems much safer to just remove the flag and always use the highest
available divisor (resulting in the lowest possible rate) after the
switch, and this patch does so.
Ideally, it would be best to first attempt to switch to a divisor that
matches the clock's rate with the previous parent, if at all possible.
But that is a project for some other day or some other person. The
parent changing code is rarely used.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Paul Walmsley [Wed, 19 May 2010 00:40:23 +0000 (18:40 -0600)]
OMAP3: PM: PM_MPUGRPSEL writes should use GRPSEL macros, not EN macros
Writes to the PM_*GRPSEL registers should use _GRPSEL_ macros, not _EN_ macros,
to match the TRM and guard against inadvertent error. This patch should
not cause any functional change.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Jouni Högander <jouni.hogander@nokia.com>
Paul Walmsley [Wed, 19 May 2010 00:40:23 +0000 (18:40 -0600)]
OMAP2+ PRCM: convert remaining PRCM macros to the _SHIFT/_MASK suffixes
Fix all of the remaining PRCM register shift/bitmask macros that did not
use the _SHIFT/_MASK suffixes to use them. This makes the use of these
macros consistent. It is intended to reduce error, as code can be inspected
visually by reviewers to ensure that bitshifts and bitmasks are used in
the appropriate places.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Paul Walmsley [Wed, 19 May 2010 00:47:24 +0000 (18:47 -0600)]
OMAP3 PRCM: convert OMAP3 PRCM macros to the _SHIFT/_MASK suffixes
Fix all of the remaining OMAP3 PRCM register shift/bitmask macros that
did not use the _SHIFT/_MASK suffixes to use them. This makes the use
of these macros consistent. It is intended to reduce error, as code
can be inspected visually by reviewers to ensure that bitshifts and
bitmasks are used in the appropriate places.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Paul Walmsley [Thu, 20 May 2010 18:31:04 +0000 (12:31 -0600)]
OMAP2 PRCM: convert OMAP2 PRCM macros to the _SHIFT/_MASK suffixes
Fix all of the remaining OMAP2 PRCM register shift/bitmask macros that
did not use the _SHIFT/_MASK suffixes to use them. This makes the use
of these macros consistent. It is intended to reduce error, as code
can be inspected visually by reviewers to ensure that bitshifts and
bitmasks are used in the appropriate places.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Felipe Balbi [Thu, 20 May 2010 18:31:04 +0000 (12:31 -0600)]
OMAP1 clock: fix section mismatch on clk_init
remove the section annotation from omap1_clk_disable_unused()
to kill the section mismatch warning.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
stanley.miao [Thu, 13 May 2010 12:39:29 +0000 (12:39 +0000)]
AM3517: rename the i2c boardinfo to make it more readable
There are three i2c buses on am3517, and each i2c bus has several devices
on it, so we can't name the i2c boardinfo structures with one of these
devices. In order to make it more readable, now rename these three boardinfo
structures based on i2c indexes.
Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Acked-By: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Charulatha V [Fri, 14 May 2010 19:05:27 +0000 (12:05 -0700)]
omap: GPIO: Fix OMAP4 GPIO reg access issues
Access to some of the OMAP4 GPIO registers are not properly handled.
This patch fixes it.
This patch is tested on 3430SDP and 4430SDP boards
Signed-off-by: Charulatha V <charu@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Santosh Shilimkar [Fri, 14 May 2010 19:05:26 +0000 (12:05 -0700)]
omap4: Move SOC specific code from board file
This patch moves OMAP4 soc specific code from 4430sdp board file.
The change is necessary so that newer board support can be added
with minimal changes. This will be also problematic for
multi-board, multi-omap builds.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Abraham Arce [Fri, 14 May 2010 19:05:26 +0000 (12:05 -0700)]
OMAP4: Networking: Defconfig Support
Enable KS8851 SPI support +
Networking Support
- Packet Socket
- TCP/IP
Network Filesystems
- NFS Client
- Root Filesystem on NFS
Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Abraham Arce [Fri, 14 May 2010 19:05:26 +0000 (12:05 -0700)]
OMAP4: Ethernet: KS8851 Board Support
Enable Micrel KS8851 SPI network chip for OMAP4430
Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Syed Rafiuddin [Fri, 14 May 2010 19:05:25 +0000 (12:05 -0700)]
OMAP4: SPI: Fix Driver Kconfig
Change dependency to ARCH_OMAP2PLUS to allow systems based on
omap24xx, omap34xx or omap44xx
Cc: spi-devel-general@lists.sourceforge.net
Signed-off-by: Syed Rafiuddin <rafiuddin.syed@ti.com>
Signed-off-by: Abraham Arce <x0066660@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
stanley.miao [Thu, 13 May 2010 12:39:31 +0000 (12:39 +0000)]
omap: hsmmc: fix the hsmmc driver for am3517
AM3517 don't have the register OMAP343X_CONTROL_PBIAS_LITE and the regulators
like "vmmc", so we set a noop "set_power" function for it.
Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
stanley.miao [Thu, 13 May 2010 12:39:30 +0000 (12:39 +0000)]
omap: init the gpio pinmux for mmc
There is two gpio for mmc use, one is for card detecting, another is
used for checking write protect. Intialize its pinmux in case the bootloader
doesn't set it.
Signed-off-by: Stanley.Miao <stanley.miao@windriver.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
manjugk manjugk [Fri, 14 May 2010 19:05:25 +0000 (12:05 -0700)]
omap: DMA: Fix multi-line comments
Multi line comments are fixed as per CodingStyle
guidelines.
Cc: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Manjunatha GK <manjugk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Mika Westerberg [Fri, 14 May 2010 19:05:25 +0000 (12:05 -0700)]
OMAP2/3/4: DMA: disable channel interrupts in omap_init_dma()
If we are softbooting another kernel using kexec, DMA controller state is not
known when we are performing omap_init_dma(). It is possible that some DMA
channels are already active. For example after kexec we get:
<4>IRQ 0020 for non-allocated DMAchannel 5
<4>IRQ 0020 for non-allocated DMAchannel 5
<4>IRQ 0020 for non-allocated DMAchannel 5
<4>IRQ 0020 for non-allocated DMAchannel 5
<4>IRQ 0020 for non-allocated DMAchannel 5
To prevent any weird things happening, we disable all channel interrupts during
init.
Signed-off-by: Mika Westerberg <ext-mika.1.westerberg@nokia.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tony Lindgren [Thu, 20 May 2010 18:14:28 +0000 (11:14 -0700)]
Merge branch 'v2.6.34-rc7.iommu' of git://gitorious.org/~doyu/lk/mainline into omap-for-linus
Roger Quadros [Wed, 12 May 2010 08:48:47 +0000 (11:48 +0300)]
OMAP: RX51: Add "vdds_sdi" supply voltage for SDI
The SDI Display subsystem needs access to the vdds_sdi supply
regulator. This is TWL4030's VAUX1 supply on RX-51.
Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Tony Lindgren [Thu, 20 May 2010 18:11:44 +0000 (11:11 -0700)]
Merge branch 'pm-next' of git://git./linux/kernel/git/khilman/linux-omap-pm into omap-for-linus
Tony Lindgren [Thu, 20 May 2010 18:07:34 +0000 (11:07 -0700)]
Merge branch 'gpio-2.6.35' of git://git./linux/kernel/git/khilman/linux-omap-pm into omap-for-linus
Tony Lindgren [Thu, 20 May 2010 18:07:23 +0000 (11:07 -0700)]
Merge branch 'omap-boards' into omap-for-linus
Janusz Krzysztofik [Thu, 20 May 2010 18:02:43 +0000 (11:02 -0700)]
OMAP1: Amstrad Delta: modify defconfig for external keyboardsupport
The patch adds a CONFIG directive required for supporting the Amstrad Delta
connected external keyboard by default.
Created and tested against linux-omap master,
commit
104a77440f05430f29f9d3f4ecb88c1536819585 dated 2010-04-27.
Works on top of PATCH v4 4/5(7), "input: serio: add support for Amstrad Delta
serial keyboard port".
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Ajay Kumar Gupta [Mon, 10 May 2010 21:29:19 +0000 (14:29 -0700)]
AM35x: fix UI card EHCI port and LCD dependency
EHCI port on UI card and LCD share two pins (GPIO 181 and 182) thus
they have to be mutually exclusive.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Jarkko Nikula [Mon, 10 May 2010 21:29:19 +0000 (14:29 -0700)]
omap: rx51: Add supplies for the tlv320aic3x codec driver
Upcoming change to tlv320aic3x codec driver require four supplies.
Implement this by connecting analogic supplies to TWL4030 VMMC2 and digital
supplies to TWL4030 VIO.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Jarkko Nikula [Mon, 10 May 2010 21:29:18 +0000 (14:29 -0700)]
omap: rx51: Add i2c2 board_info with tlv320aic3x
This makes possible to probe the audio codec and add another i2c2
components in the future.
Fix also indentation for the first omap_register_i2c_bus.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Jarkko Nikula [Mon, 10 May 2010 21:29:18 +0000 (14:29 -0700)]
omap: rx51: Change the TWL4030 VMMC2 voltage constraints andsupply name
I believe the VMMC2 constraints must be the same than with VAUX3. Older
boards are using TWL4030 VMMC2 supply for internal MMC whereas newer are
using VAUX3 that has more limited constraints defined in this same file.
More over, the VMMC2 supply is used also for analog audio domain and the
miminum analog voltage of the TLV320AIC34 codec is 2.7 V.
To combine these two facts, the patch changes supply name to V28_A as the
newer boards register VMMC2_30 for VAUX3 and uses the same constraints than
VAUX3 since those constraints are ok for the TLV320AIC34.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Adrian Hunter <adrian.hunter@nokia.com>
Cc: Eduardo Valentin <eduardo.valentin@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Steve Sakoman [Mon, 10 May 2010 21:29:18 +0000 (14:29 -0700)]
omap: Overo: Add support for second ethernet port
Some Overo add-on boards include a second ethernet port. This patch
adds support for that second port.
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Sriram [Mon, 10 May 2010 21:29:18 +0000 (14:29 -0700)]
AM3517: defconfig update to enable EMAC support
Update the default configuration for AM3517EVM to enable
support for EMAC peripheral.
Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Sriram [Mon, 10 May 2010 21:29:17 +0000 (14:29 -0700)]
OMAP3: clock data: Update name string for EMAC clocks
The emac driver currently uses Davinci clock names for the module and phy
clocks. Updated the omap3xxx_clks table to match the names
used by the Davinci emac driver.
Note that eventually the EMAC clocks should be renamed to be generic.
Signed-off-by: Sriramakrishnan <srk@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: updated patch description to match the patch]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Sriram [Mon, 10 May 2010 21:29:17 +0000 (14:29 -0700)]
AM35xx: Platform specific hookup for EMAC module
Modified AM35xx EVM init sequence to handle EMAC
initialization.
Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Sriram [Mon, 10 May 2010 21:29:17 +0000 (14:29 -0700)]
AM35xx EMAC: define submodule offsets
Define offsets for EMAC sub modules.
Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Sriram [Mon, 10 May 2010 21:29:16 +0000 (14:29 -0700)]
can: ti_hecc: Enable CAN support on AM3517
Modify the default kernel configuration on AM3517 to enable CAN.
Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Sriram [Mon, 10 May 2010 21:29:16 +0000 (14:29 -0700)]
can: ti_hecc: board specific hookup on AM3517EVM
Add board specific hookup for TI HECC driver on
AM3517 EVM
Signed-off-by: Sriramakrishnan <srk@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Thomas Weber [Mon, 10 May 2010 21:29:16 +0000 (14:29 -0700)]
omap: Devkit8000: Update default configuration
This patch updates the new default configuration for the Devkit8000.
Signed-off-by: Thomas Weber <weber@corscience.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Thomas Weber [Mon, 10 May 2010 21:29:16 +0000 (14:29 -0700)]
omap: Devkit8000: Add mux initialization
Initialize multiplexed pins with correct mode.
Signed-off-by: Thomas Weber <weber@corscience.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Viral Mehta [Mon, 10 May 2010 21:29:15 +0000 (14:29 -0700)]
omap2: select ARCH_OMAP_OTG for OMAP2430 SDP
Configuration for OMAP2430 should select ARCH_OMAP_OTG just like
it is done for OMAP2420
Signed-off-by: Viral Mehta <viral.mehta@lntinfotech.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Viral Mehta [Mon, 10 May 2010 21:29:15 +0000 (14:29 -0700)]
omap2: Add OHCI USB platform init for 2430 SDP
Add platform init code for OHCI USB on OMAP2430 SDP
Signed-off-by: Viral Mehta <viral.mehta@lntinfotech.com>
[tony@atomide.com: Updated subject to mention the board name]
Signed-off-by: Tony Lindgren <tony@atomide.com>
Viral Mehta [Mon, 10 May 2010 21:29:15 +0000 (14:29 -0700)]
omap2: Add I2C bus 1 initialisation for 2430sdp
Initialize isp1301 FS USB transceiver and
add I2C bus1 initialization code for OMAP2430 SDP
Signed-off-by: Viral Mehta <viral.mehta@lntinfotech.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Janusz Krzysztofik [Mon, 10 May 2010 21:29:14 +0000 (14:29 -0700)]
omap1: amsdelta: defconfig updates
The patch provides the following ams_delta_defconfig updates:
- explicitly select preemptable RCU,
- replace outdated CONFIG_LBD and CONFIG_LSF options with CONFIG_LBDAF,
- activate support for LCD contrast setting (new in 2.6.34),
- turn off verbose bug reporting for smaller kernel.
Created and tested against linux-2.6.34-rc3.
Signed-off-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Hiroshi DOYU [Thu, 6 May 2010 15:24:04 +0000 (18:24 +0300)]
omap iommu: Reject unaligned addresses at setting page table entry
This rejects unaligned device virtual address('da') and physical
address('pa') and informs error to caller when a page table entry is
set. Otherwise, a wrong address can be used by IO device.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: Hari Kanigeri <h-kanigeri2@ti.com>
Hiroshi DOYU [Thu, 6 May 2010 14:09:25 +0000 (17:09 +0300)]
omap iommu: Exit iteration if no possibility of available area
Searching avaialable spaces should be stopped as soon as it turns out
that there's no possibility with the rest of it.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Hiroshi DOYU [Thu, 6 May 2010 13:10:18 +0000 (16:10 +0300)]
omap iommu: Insert a gap page between IOVMAs against override
Inserting a gap page between IOVMAs could detect an override on other
IOVMA with iommu fault. This was originally suggested by Sakari Ailus
and based on the work and comment by David Cohen.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: David Cohen <david.cohen@nokia.com>
Cc: Sakari Ailus <Sakari.Ailus@nokia.com>
Hiroshi DOYU [Tue, 4 May 2010 11:52:17 +0000 (14:52 +0300)]
omap iommu: Make CONFIG_OMAP_IOMMU_DEBUG selectable
This CONFIG_OMAP_IOMMU_DEBUG option cannot be selected because it's
not visible on menu. Make this option selectable.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Hiroshi DOYU [Tue, 27 Apr 2010 05:37:12 +0000 (05:37 +0000)]
omap iommu: Introduce iteration macro for iotlb entry scan
There are some places to scan iotlb entries. This iteration macro
could make these code a bit simpler with proceeding iotlb entries
transparently.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Tested-by: Hari Kanigeri <h-kanigeri2@ti.com>
Kanigeri, Hari [Thu, 22 Apr 2010 23:26:11 +0000 (23:26 +0000)]
omap iommu: add TLB preservation support
This patch adds TLB preservation support to IOMMU module
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Kanigeri, Hari [Thu, 22 Apr 2010 23:26:10 +0000 (23:26 +0000)]
omap iommu: missing check for TLB valid entry
Added the missing TLB valid entry setting for cam register
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Kanigeri, Hari [Thu, 22 Apr 2010 23:26:09 +0000 (23:26 +0000)]
omap iommu: support for OMAP4
This patch provides the iommu support for OMAP4 co-processors.
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Kanigeri, Hari [Thu, 22 Apr 2010 23:26:08 +0000 (23:26 +0000)]
omap iommu: renamed omap3-iommu to omap-iommu
This patch includes changes to omap3-iommu.c file to make it generic
for all OMAPs. Renamed omap3-iommu.c to omap-iommu.c
[Hiroshi DOYU: Remove unnecessary "iommu-y" in Makefile]
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Kevin Hilman [Mon, 14 Dec 2009 23:14:51 +0000 (15:14 -0800)]
OMAP: GPIO: remove duplicate debugfs interface
The generic gpiolib provides a debugfs interface to GPIOs which
provides identical (but nicer looking) data as the OMAP specific one.
This patch completely drops the OMAP specific interface
(/debug/omap_gpio) in favor of using the generic one (/debug/gpio.)
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Tero Kristo [Mon, 3 May 2010 22:53:57 +0000 (15:53 -0700)]
OMAP3: GPIO: Removed a couple of unneeded registers from context save/restore
setwkuena and setdataout are covered already by wake_en and dataout fields.
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Kevin Hilman [Tue, 27 Jan 2009 19:15:34 +0000 (11:15 -0800)]
OMAP3: GPIO: disable GPIO debounce clocks on idle
Ensure GPIO debounce clocks are disabled when idle. Otherwise,
clocks will prevent PER powerdomain from entering retention.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Kevin Hilman [Tue, 27 Jan 2009 19:09:24 +0000 (11:09 -0800)]
OMAP2/3: GPIO: generalize prepare for idle
Currently, the GPIO 'prepare' hook is only called when going to
off-mode, while the function is called 'prepare_for_retention.' This
patch renames the function to 'prepare_for_idle' and calls it for any
powersate != PWRDM_POWER_ON passing in the powerstate.
The hook itself is then responsible for doing various preparation
based on the powerstate.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Chunqiu Wang [Wed, 24 Jun 2009 17:13:39 +0000 (17:13 +0000)]
OMAP3: GPIO: Only enable WAKEUPEN for edge detection GPIOs
According to the GPIO 'Wakeup and Interrupt' section of the TRM[1],
wake-up requests can only be generated on edge transitions.
Also for OMAP3, only edge GPIOs may lose interrupts when PER enters
RET/OFF state, this is addressed by gpio prepare|resume idle functions
[1] Section 25.5.3.1 OMAP34xx_ES3.1_TRM_V_Q
Signed-off-by: Chunqiu Wang <cqwang@motorola.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Tero Kristo [Mon, 22 Dec 2008 12:27:12 +0000 (14:27 +0200)]
OMAP3: GPIO fixes for off-mode
Off mode is now using the omap2 retention fix code for scanning GPIOs
during off-mode transitions. All the *non_wakeup_gpios variables
are now used for off-mode transition tracking on OMAP3. This patch fixes
cases where GPIO state changes are missed during off-mode.
Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Mike Chan [Mon, 3 May 2010 23:04:07 +0000 (16:04 -0700)]
OMAP3: PM: Remove PER wakeup dependency on CORE.
We can remove this wakeup dependency since now, when
GPIO2-6 are enabled for IO-pad wakeup, PER domain is gauranteed
to be awake or be woken up to service.
The previous dependency did not handle all corner cases. Since there
was no sleep dependency between CORE and PER domains, if PER enters
RET and CORE is ON, PER will not be active for GPIO handling.
Signed-off-by: Mike Chan <mike@android.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Mike Chan [Mon, 3 May 2010 23:04:06 +0000 (16:04 -0700)]
OMAP3: PM: Enable IO / IO-CHAIN wakeups for PER
IO events can also come from GPIO modules, which reside in the PER domain.
It is possible for the PER to enter RET while CORE is still in ON.
If GPIO 2-6 are enabled for IO-pad wakeups, the PER domain will not
wakeup in this case, unless we enable it.
Signed-off-by: Mike Chan <mike@android.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Ranjith Lohithakshan [Sat, 8 May 2010 07:09:21 +0000 (12:39 +0530)]
OMAP3: PM: Enable wakeup from ads7846 touchscreen
This patch enables the wakeup capabilities of ads7846 touchscreen driver.
ads7846 driver can now wakeup the system from suspend on OMAP3430 EVM
and SDP boards.
The earlier approach of enabling wakeup on the touchscreen GPIO pin during
board level mux init is removed. Instead the wakeup flag in
ads7846_platform_data is enabled. Based on the flag, the ads7846 driver
will do an enable_irq_wake which will eventually call into the OMAP GPIO
layer and will enable the wakeup capability on the GPIO pin.
Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Ranjith Lohithakshan [Mon, 3 May 2010 11:37:51 +0000 (17:07 +0530)]
OMAP3EVM: Update pad configuration for wakeup enabled pads
OMAP3530 TRM section 7.4.4.4.2 requires OFFOUTENABLE to be set (active low)
if wakeup capabilities are enabled on a pad. During OFF mode testing
on OMAP3530 EVM, it was observed that the device was not residing in
the OFF state. The device enters into the OFF state and immediately exits
from that state as if an IO wakeup event has occured. The issue was traced
down to the pad configuration of wkaeup enabled pad's.
Signed-off-by: Ranjith Lohithakshan <ranjithl@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Ari Kauppi [Tue, 23 Mar 2010 07:04:59 +0000 (09:04 +0200)]
OMAP3: PM: Add milliseconds interface to suspend wakeup timer
Millisecond resolution is possible and there are use cases for it
(automatic testing).
Seconds-based interface is preserved for compatibility.
Signed-off-by: Ari Kauppi <Ext-Ari.Kauppi@nokia.com>
Reviewed-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Kevin Hilman [Mon, 26 Apr 2010 21:59:09 +0000 (14:59 -0700)]
OMAP3: PRCM interrupt: only check and clear enabled PRCM IRQs
While handling PRCM IRQs, mask out interrupts that are not enabled in
PRM_IRQENABLE_MPU. If these are not masked out, non-enabled
interrupts are caught, a WARN() is printed due to no 'handler' and the
events are cleared. In addition to being noisy, this can also
interfere with independent polling of this register by SR/VP code.
This was noticed using SmartReflex transitions which cause the VPx_*
interrupts to be handled since they are set in PRM_IRQSTATUS_MPU even
but not enabled in PRM_IRQENABLE_MPU.
Acked-by: Mike Turquette <mturquette@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Vaibhav Hiremath [Mon, 10 May 2010 21:29:14 +0000 (14:29 -0700)]
OMAP2/3: Add V4L2 DSS driver support in device.c
Add V4L2 DSS driver support in device.c
Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Linus Torvalds [Mon, 10 May 2010 01:36:28 +0000 (18:36 -0700)]
Linux 2.6.34-rc7
Linus Torvalds [Mon, 10 May 2010 01:35:53 +0000 (18:35 -0700)]
Merge git://git./linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] Retry commands with UNIT_ATTENTION sense codes to fix ext3/ext4 I/O error
[SCSI] Enable retries for SYNCRONIZE_CACHE commands to fix I/O error
[SCSI] scsi_debug: virtual_gb ignores sector_size
[SCSI] libiscsi: regression: fix header digest errors
[SCSI] fix locking around blk_abort_request()
[SCSI] advansys: fix narrow board error path
Arjan van de Ven [Sat, 8 May 2010 22:47:37 +0000 (15:47 -0700)]
cpuidle: Fix incorrect optimization
commit
672917dcc78 ("cpuidle: menu governor: reduce latency on exit")
added an optimization, where the analysis on the past idle period moved
from the end of idle, to the beginning of the new idle.
Unfortunately, this optimization had a bug where it zeroed one key
variable for new use, that is needed for the analysis. The fix is
simple, zero the variable after doing the work from the previous idle.
During the audit of the code that found this issue, another issue was
also found; the ->measured_us data structure member is never set, a
local variable is always used instead.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Cc: Corrado Zoccolo <czoccolo@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Fri, 7 May 2010 21:11:40 +0000 (14:11 -0700)]
Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md:
md: restore ability of spare drives to spin down.
md/raid6: Fix raid-6 read-error correction in degraded state
Linus Torvalds [Fri, 7 May 2010 21:11:09 +0000 (14:11 -0700)]
Merge branch 'urgent' of git://git./linux/kernel/git/brodo/pcmcia-2.6
* 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6:
pcmcia: fix compilation after 16bit state locking changes
pcmcia: order userspace suspend and resume requests
pcmcia: avoid pccard_validate_cis failure in resume callpath
Linus Torvalds [Fri, 7 May 2010 21:07:20 +0000 (14:07 -0700)]
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
blk-cgroup: Fix an RCU warning in blkiocg_create()
blk-cgroup: Fix RCU correctness warning in cfq_init_queue()
drbd: don't expose failed local READ to upper layers
Linus Torvalds [Fri, 7 May 2010 21:02:01 +0000 (14:02 -0700)]
Merge branch 'drm-linus' of git://git./linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/ttm: Remove the ttm_bo_block_reservation() function.
drm/ttm: Remove some leftover debug messages.
drm/radeon: async event synchronization for drmWaitVblank
Stijn Tintel [Fri, 7 May 2010 04:58:34 +0000 (14:28 +0930)]
virtio: initialize earlier
Move initialization of the virtio framework before the initialization of
mtd, so that block2mtd can be used on virtio-based block devices.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=15644
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Fri, 7 May 2010 20:59:48 +0000 (13:59 -0700)]
Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
NFS: Fix RCU issues in the NFSv4 delegation code
NFSv4: Fix the locking in nfs_inode_reclaim_delegation()
Linus Torvalds [Fri, 7 May 2010 20:59:22 +0000 (13:59 -0700)]
Merge branch 'release' of git://git./linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI: sleep: init_set_sci_en_on_resume for Dell Studio 155x
ACPI: fix acpi_hest_firmware_first_pci() caused oops
sbshc: acpi_device_class "smbus_host_controller" too long
power_meter: acpi_device_class "power_meter_resource" too long
acpi_pad: "processor_aggregator" name too long
PNP: don't check for conflicts with bridge windows
ACPI: DMI init_set_sci_en_on_resume for multiple Lenovo ThinkPads
PNPACPI: compute Address Space length rather than using _LEN
ACPI: silence kmemcheck false positive
Linus Torvalds [Fri, 7 May 2010 20:58:56 +0000 (13:58 -0700)]
Merge branch 'v4l_for_2.6.34' of git://git./linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.34' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
V4L/DVB: pxa_camera: move fifo reset direct before dma start
V4L/DVB: video: testing unsigned for less than 0
V4L/DVB: mx1-camera: compile fix
V4L/DVB: budget: Oops: "BUG: unable to handle kernel NULL pointer dereference"
V4L/DVB: ngene: Workaround for stuck DiSEqC pin
V4L/DVB: saa7146: fix regression of the av7110/budget-av driver
V4L/DVB: v4l: fix config dependencies: mxb and saa7191 are V4L2 drivers, not V4L1
V4L/DVB: feature-removal: announce videotext.h removal
V4L/DVB: V4L - vpfe capture - fix for kernel crash
V4L/DVB: gspca: make usb id 0461:0815 get handled by the right driver
V4L/DVB: gspca - stv06xx: Remove the 046d:08da from the stv06xx driver
V4L/DVB: gspca - sn9c20x: Correct onstack wait_queue_head declaration
V4L/DVB: saa7146: fix up bytesperline if it is an impossible value
V4L/DVB: V4L: vpfe_capture - free ccdc_lock when memory allocation fails
V4L/DVB: V4L - Makfile:Removed duplicate entry of davinci
V4L/DVB: omap24xxcam: potential buffer overflow
Linus Torvalds [Fri, 7 May 2010 20:58:21 +0000 (13:58 -0700)]
Merge branch 'core-fixes-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
rcu: create rcu_my_thread_group_empty() wrapper
memcg: css_id() must be called under rcu_read_lock()
cgroup: Check task_lock in task_subsys_state()
sched: Fix an RCU warning in print_task()
cgroup: Fix an RCU warning in alloc_css_id()
cgroup: Fix an RCU warning in cgroup_path()
KEYS: Fix an RCU warning in the reading of user keys
KEYS: Fix an RCU warning
NeilBrown [Fri, 7 May 2010 09:44:26 +0000 (19:44 +1000)]
md: restore ability of spare drives to spin down.
Some time ago we stopped the clean/active metadata updates
from being written to a 'spare' device in most cases so that
it could spin down and say spun down. Device failure/removal
etc are still recorded on spares.
However commit
51d5668cb2e3fd1827a55 broke this 50% of the time,
depending on whether the event count is even or odd.
The change log entry said:
This means that the alignment between 'odd/even' and
'clean/dirty' might take a little longer to attain,
how ever the code makes no attempt to create that alignment, so it
could take arbitrarily long.
So when we find that clean/dirty is not aligned with odd/even,
force a second metadata-update immediately. There are already cases
where a second metadata-update is needed immediately (e.g. when a
device fails during the metadata update). We just piggy-back on that.
Reported-by: Joe Bryant <tenminjoe@yahoo.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@kernel.org
Gabriele A. Trombetti [Wed, 28 Apr 2010 01:51:17 +0000 (11:51 +1000)]
md/raid6: Fix raid-6 read-error correction in degraded state
Fix: Raid-6 was not trying to correct a read-error when in
singly-degraded state and was instead dropping one more device, going to
doubly-degraded state. This patch fixes this behaviour.
Tested-by: Janos Haar <janos.haar@netcenter.hu>
Signed-off-by: Gabriele A. Trombetti <g.trombetti.lkrnl1213@logicschema.com>
Reported-by: Janos Haar <janos.haar@netcenter.hu>
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: stable@kernel.org
Li Zefan [Fri, 7 May 2010 06:57:00 +0000 (08:57 +0200)]
blk-cgroup: Fix an RCU warning in blkiocg_create()
with CONFIG_PROVE_RCU=y, a warning can be triggered:
# mount -t cgroup -o blkio xxx /mnt
# mkdir /mnt/subgroup
...
kernel/cgroup.c:4442 invoked rcu_dereference_check() without protection!
...
To fix this, we avoid caling css_depth() here, which is a bit simpler
than the original code.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Len Brown [Fri, 7 May 2010 02:04:31 +0000 (22:04 -0400)]
Merge branches 'bugzilla-14337', 'bugzilla-14998', 'bugzilla-15407', 'bugzilla-15903' and 'misc-2.6.34' into release
Thomas Hellstrom [Wed, 28 Apr 2010 09:33:25 +0000 (11:33 +0200)]
drm/ttm: Remove the ttm_bo_block_reservation() function.
It's unused and buggy in its current form, since it can place a bo
in the reserved state without removing it from lru lists.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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