| Commit message (Collapse) | Author | Age |
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This fixes two reported problems:
1. after a system resume the controller isn't functioning until a command
runs on a timeout and a controller reset is performed.
2. if a card is ejected during a running write operation, its re-insertion
isn't detected.
Reported-by: Nguyen Viet Dung <nv-dung@jinso.co.jp>
Reported-by: Nguyen Hong Ky <nh-ky@jinso.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Tested-by: Nguyen Viet Dung <nv-dung@jinso.co.jp>
Tested-by: Nguyen Hong Ky <nh-ky@jinso.co.jp>
Signed-off-by: Chris Ball <cjb@laptop.org>
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With MMC clock gating enabled the MMC core currently calls MMC host driver's
.set_ios() method with .power_mode == MMC_POWER_ON and the clock value set
either to 0 or to the target rate. The tmio MMC driver then wrongly
translates the latter calls to card slot power-on requests, even when the
slot already was on. This patch fixes the driver to avoid needlessly
incrementing power-supplying regulator's use count.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Tested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Masking events on MMCIF means that an occurrence of the masked event
won't raise an interrupt, but the event bit will still be set in the
interrupt status register. If simultaneously a different event occurs
which was enabled, both flags will be set. However, only the unmasked
event bit should be cleared in the status register in such a case.
Clearing also the masked bit can lead to lost interrupts, which indeed
can be observed on the armadillo800eva r8a7740 board with an eMMC chip.
The problem has been introduced by the recent "mmc: sh_mmcif: simplify
IRQ processing" patch. Fix the problem by only clearing enabled interrupts.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Tested-by: Nguyen Viet Dung <nv-dung@jinso.co.jp>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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When resuming, the tmio_mmc_host_resume() function is run when the
controller might still be powered down. Issuing a reset command to it at
that time has no effect. This patch postpones resetting the controller
until the first powering-up .set_ios() call.
Reported-by: Nguyen Viet Dung <nv-dung@jinso.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add a param to allow users of sdhci_pltfm to allocate private space
in calls to sdhci_pltfm_init+sdhci_pltfm_register. This is implemented
in the same way as sdhci does for its users.
None of the users have been migrated yet and are passing in zero to
retain their private allocation.
- todo: migrate clients to using allocation this way
- todo: remove priv variable once migration is complete
Also removed unused variable in sdhci_pltfm_init fn
Signed-off-by: Christian Daudt <csd@broadcom.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add support for runtime PM for BYT SD cards.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Enable runtime PM for ACPI HID 80860F14 SD cards, adding support for
card detect GPIO.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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If card power is dependent on SD bus power then the host controller
must not be runtime suspended while the card is powered up. Add
the ability to stay runtime-resumed in that case and enable it with a new
quirk SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Signed-off-by: Al Cooper <alcooperx@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add CONFIG_PM_SLEEP to suspend/resume functions to fix the following
build warning when CONFIG_PM_SLEEP is not selected. This is because
sleep PM callbacks defined by SIMPLE_DEV_PM_OPS are only used when
the CONFIG_PM_SLEEP is enabled.
drivers/mmc/host/atmel-mci.c:2509:12: warning: 'atmci_suspend' defined but not used [-Wunused-function]
drivers/mmc/host/atmel-mci.c:2539:12: warning: 'atmci_resume' defined but not used [-Wunused-function]
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add support for initialising DMA from the Device Tree.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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This removes the deprecated use of the .private member of struct dma_chan
and switches the sdhi / tmio mmc driver to using the
dmaengine_slave_config() channel configuration method.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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So far only the SDHI implementation uses TMIO MMC with DMA. That way a DMA
channel filter function, defined in the TMIO driver wasn't a problem.
However, such a filter function is DMA controller specific. Since the SDHI
glue is only running on systems with the SHDMA DMA controller, the filter
function can safely be provided by it. Move it into SDHI.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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If pending interrupt for IDMAC exists when initialize IDMAC, it will
call interrupt handler unnecessarily.
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Fix to return -ENODEV in the request dma error case instead
of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Fix to return -ENOMEM in alloc workqueue error case instead
of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Pull ARM updates from Russell King:
"This contains the usual updates from other people (listed below) and
the usual random muddle of miscellaneous ARM updates which cover some
low priority bug fixes and performance improvements.
I've started to put the pull request wording into the merge commits,
which are:
- NoMMU stuff:
This includes the following series sent earlier to the list:
- nommu-fixes
- R7 Support
- MPU support
I've left out the ARCH_MULTIPLATFORM/!MMU stuff that Arnd and I
were discussing today until we've reached a conclusion/that's had
some more review.
This is rebased (and re-tested) on your devel-stable branch because
otherwise there were going to be conflicts with Uwe's V7M work now
that you've merged that. I've included the fix for limiting MPU to
CPU_V7.
- Huge page support
These changes bring both HugeTLB support and Transparent HugePage
(THP) support to ARM. Only long descriptors (LPAE) are supported
in this series.
The code has been tested on an Arndale board (Exynos 5250).
- LPAE updates
Please pull these miscellaneous LPAE fixes I've been collecting for
a while now for 3.11. They've been tested and reviewed by quite a
few people, and most of the patches are pretty trivial. -- Will Deacon.
- arch_timer cleanups
Please pull these arch_timer cleanups I've been holding onto for a
while. They're the same as my last posting, but have been rebased
to v3.10-rc3.
- mpidr linearisation (multiprocessor id register - identifies which
CPU number we are in the system)
This patch series that implements MPIDR linearization through a
simple hashing algorithm and updates current cpu_{suspend}/{resume}
code to use the newly created hash structures to retrieve context
pointers. It represents a stepping stone for the implementation of
power management code on forthcoming multi-cluster ARM systems.
It has been tested on TC2 (dual cluster A15xA7 system), iMX6q,
OMAP4 and Tegra, with processors hitting low-power states requiring
warm-boot resume through the cpu_resume code path"
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (77 commits)
ARM: 7775/1: mm: Remove do_sect_fault from LPAE code
ARM: 7777/1: Avoid extra calls to the C compiler
ARM: 7774/1: Fix dtb dependency to use order-only prerequisites
ARM: 7770/1: remove residual ARMv2 support from decompressor
ARM: 7769/1: Cortex-A15: fix erratum 798181 implementation
ARM: 7768/1: prevent risks of out-of-bound access in ASID allocator
ARM: 7767/1: let the ASID allocator handle suspended animation
ARM: 7766/1: versatile: don't mark pen as __INIT
ARM: 7765/1: perf: Record the user-mode PC in the call chain.
ARM: 7735/2: Preserve the user r/w register TPIDRURW on context switch and fork
ARM: kernel: implement stack pointer save array through MPIDR hashing
ARM: kernel: build MPIDR hash function data structure
ARM: mpu: Ensure that MPU depends on CPU_V7
ARM: mpu: protect the vectors page with an MPU region
ARM: mpu: Allow enabling of the MPU via kconfig
ARM: 7758/1: introduce config HAS_BANDGAP
ARM: 7757/1: mm: don't flush icache in switch_mm with hardware broadcasting
ARM: 7751/1: zImage: don't overwrite ourself with a page table
ARM: 7749/1: spinlock: retry trylock operation if strex fails on free lock
ARM: 7748/1: oabi: handle faults when loading swi instruction from userspace
...
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To verify a signal voltage switch at initialization of UHS cards the
.card_busy callback is used. For some of the ST-variants, card busy
detection on the DAT0 pin is supported.
We extend the variant struct with a busy_detect flag to indicate
support for it. A corresponding busy detect function, which polls the
busy status bit, is then set to the .card_busy callback.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add a cache variable in the host struct that reflects the current data in
the MMCIDATACTRL register. This patch will not introduce any functional
change but instead provide an easy option to keep specific bits in the
register between each data transfer.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Add .start_signal_voltage_switch callback to be able to support UHS cards.
The voltage switch requires the optional vqmmc regulator to exist since
the actual voltage switch will be performed directly on it.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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We can not rely on regulator_is_enabled to decide whether to
enable|disable the regulator. It would mean that the reference
counter for it is not balanced properly.
Instead keep track of our internal state by using a new flag in
the host struct, so we can take correct decisions.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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acquired from DT
Currently, if DMA information isn't passed from platform data, then DMA
will not be used. This patch allows DMA information obtained though Device
Tree to be used as well.
Cc: Chris Ball <cjb@laptop.org>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Support added for transmission of CMD23 during multi block read or
write. In order to activate this feature, MMC_CAP_CMD23 flag needs
to be enabled in the capabilities field. Note that CMD23 support is
mandatory to support features like reliable write, data tag, context
ID, packed command.
This patch is based upon a patch from Saugata Das.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Update cclk to the acutal used value and copy it to the actual_clock
variable in the mmc host for debug purpose.
Signed-off-by: Fredrik Soderstedt <fredrik.soderstedt@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Converting to devm_clk_get simplifies error handling in probe
and we can remove other corresponding calls to clk_put.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late changes from Arnd Bergmann:
"These are changes that arrived a little late before the merge window
or that have multiple dependencies on previous branches so they did
not fit into one of the earlier ones. There are 10 branches merged
here, a total of 39 non-merge commits. Contents are a mixed bag for
the above reasons:
* Two new SoC platforms: ST microelectronics stixxxx and the TI
'Nspire' graphing calculator. These should have been in the 'soc'
branch but were a little late
* Support for the Exynos 5420 variant in mach-exynos, which is based
on the other exynos branches to avoid conflicts.
* Various small changes for sh-mobile, ux500 and davinci
* Common clk support for MSM"
* tag 'late-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (39 commits)
ARM: ux500: bail out on alien cpus
ARM: davinci: da850: adopt to pinctrl-single change for configuring multiple pins
serial: sh-sci: Initialise variables before access in sci_set_termios()
ARM: stih41x: Add B2020 board support
ARM: stih41x: Add B2000 board support
ARM: sti: Add DEBUG_LL console support
ARM: sti: Add STiH416 SOC support
ARM: sti: Add STiH415 SOC support
ARM: msm: Migrate to common clock framework
ARM: msm: Make proc_comm clock control into a platform driver
ARM: msm: Prepare clk_get() users in mach-msm for clock-pcom driver
ARM: msm: Remove clock-7x30.h include file
ARM: msm: Remove custom clk_set_{max,min}_rate() API
ARM: msm: Remove custom clk_set_flags() API
msm: iommu: Use clk_set_rate() instead of clk_set_min_rate()
msm: iommu: Convert to clk_prepare/unprepare
msm_sdcc: Convert to clk_prepare/unprepare
usb: otg: msm: Convert to clk_prepare/unprepare
msm_serial: Use devm_clk_get() and properly return errors
msm_serial: Convert to clk_prepare/unprepare
...
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git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/late
From David Brown:
MSM clock updates for 3.11.
Per Stephen Boyd's coverletter:
Resending to collect higher level maintainer acks per Olof's request.
The plan is to push this patchset through MSM to the arm-soc tree.
This patchset moves the existing MSM clock code and affected drivers
to the common clock framework. A prerequisite of moving to the common
clock framework is to use clk_prepare() and clk_enable() so the first
few patches migrate drivers to that call (clk_prepare() is a no-op on
MSM right now). It also removes some custom clock APIs that MSM
provides and finally moves the proc_comm clock code to the common
struct clk.
This patch series will be used as the foundation of the MSM 8660/8960
clock code that I plan to send out after this series.
* tag 'msm-clock-for-3.11b' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
ARM: msm: Migrate to common clock framework
ARM: msm: Make proc_comm clock control into a platform driver
ARM: msm: Prepare clk_get() users in mach-msm for clock-pcom driver
ARM: msm: Remove clock-7x30.h include file
ARM: msm: Remove custom clk_set_{max,min}_rate() API
ARM: msm: Remove custom clk_set_flags() API
msm: iommu: Use clk_set_rate() instead of clk_set_min_rate()
msm: iommu: Convert to clk_prepare/unprepare
msm_sdcc: Convert to clk_prepare/unprepare
usb: otg: msm: Convert to clk_prepare/unprepare
msm_serial: Use devm_clk_get() and properly return errors
msm_serial: Convert to clk_prepare/unprepare
Acked-by: Chris Ball <cjb@laptop.org> # for msm_sdcc.c
Signed-off-by: Olof Johansson <olof@lixom.net>
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Add calls to clk_prepare and unprepare so that MSM can migrate to
the common clock framework.
Cc: Chris Ball <cjb@laptop.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc
From Sekhar Nori:
DaVinci SoC changes for v3.11
This pull request moves DaVinci EDMA library to
arch/arm/common so it can be used by OMAP based AM335x.
This is a temporary step until all drivers are converted
to use the dmaengine driver in drivers/dma/edma.c.
Several drivers like SPI, MMC/SD have already been converted.
Some like audio are pending.
The other two patches in the pull request are cleanup in nature.
* tag 'davinci-for-v3.11/soc-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: edma: remove unused transfer controller handlers
ARM: davinci: move private EDMA API to arm/common
ARM: davinci: remove __init atrribute from function declaration
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Move mach-davinci/dma.c to common/edma.c so it can be used
by OMAP (specifically AM33xx) as well.
Signed-off-by: Matt Porter <mporter@ti.com>
Acked-by: Chris Ball <cjb@laptop.org> # davinci_mmc.c
Acked-by: Mark Brown <broonie@linaro.org>
Acked-by: Olof Johansson <olof@lixom.net>
[nsekhar@ti.com: dropped davinci sffsdr changes]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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MMC driver probe will abort for DT case because of failed
platform_get_resource_byname() lookup. Fix it by skipping resource
lookup byname for device tree build.
Issue is hidden because hwmod populates the IO resources which
helps to succeed platform_get_resource_byname() and probe.
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Convert dmaengine channel requests to use
dma_request_slave_channel_compat(). This supports platforms booting
with or without DT populated.
Signed-off-by: Matt Porter <mporter@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Otherwise SDIO cards won't necessarily work when booted with
device tree as we will never power down the SDIO cards. This
means the SDIO card reset does not happen which at least some
WLAN controllers expect to happen with ifconfig wlan0 down.
The PBIAS voltage is only available for the first controller
instance, so let's limit the PBIAS workaround to the first
controller only.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Tested-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add three more PCI device ids.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add three more ACPI HIDs. Also, as some devices must be
further distinguished by ACPI UID, slot information is now
associated with HID and UID.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Initial runtime pm status is active.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Use generic DMA DT helper. Platforms booting with or without DT populated
are both supported.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The eSDHC controller on the i.MX53 needs an additional, non spec
compliant CMD12 after a multiblock read with a predefined number of
blocks. Otherwise the internal state machine won't go back to the
idle state.
This commit effectively reverts 5b6b0ad6 (mmc: sdhci-esdhc-imx:
fix for mmc cards on i.MX5), which fixed part of the problem by
making multiblock reads work, however this fix was not sufficient
when multi- and singleblock reads got intermixed.
This implements the recommended workaround (Freescale i.MX Reference
Manual, section 29.6.8 "Multi-block Read") by manually sending a
CMD12 with the RSPTYP bits cleared.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Currently SDIO interrupts do not work on i.MX53 and maybe others.
This was observed with a Marvell 8787 based SDIO wifi adapter
using the mwifiex driver and firmware from the Marvell git
repository.
The symptom was a timeout after firmware download.
Observing the SDIO_DAT1 line showed that an interrupt was requested
(level 0) but no interrupt was generated in software, the line
stayed low until a timeout ocurred and the card was reset.
There is a Freescale errata
ENGcm11186 "eSDHC misses SDIO interrupt when CINT is disabled"
The workaround suggested by this errata is already implemented and
involves clearing and then setting the D3CD bit in the host control
register [see esdhc_writel_le()]
However, when esdhc_writeb_le() is later used to write to
SDHCI_HOST_CONTROL it always resets the D3CD bit.
To fix this simply add the D3CD bit to the set of bits
not modified by esdhc_writeb_le().
Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Pull ARM fixes from Russell King:
"A small number of fixes for stuff from the last merge window, and in
one case (IRQ time accounting) the previous merge window."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7720/1: ARM v6/v7 cmpxchg64 shouldn't clear upper 32 bits of the old/new value
ARM: 7715/1: MCPM: adapt to GIC changes after upstream merge
ARM: 7714/1: mmc: mmci: Ensure return value of regulator_enable() is checked
ARM: 7712/1: Remove trailing whitespace in arch/arm/Makefile
ARM: 7711/1: dove: fix Dove cpu type from V7 to PJ4
ARM: finally enable IRQ time accounting config
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This patch suppresses the warning below:
drivers/mmc/host/mmci.c: In function ‘mmci_set_ios’:
drivers/mmc/host/mmci.c:1165:20: warning: ignoring return value of
‘regulator_enable’, declared with attribute warn_unused_result
[-Wunused-result]
Cc: Chris Ball <cjb@laptop.org>
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree updates (part 2) from Arnd Bergmann:
"These are mostly new device tree bindings for existing drivers, as
well as changes to the device tree source files to add support for
those devices, and a couple of new boards, most notably Samsung's
Exynos5 based Chromebook.
The changes depend on earlier platform specific updates and touch the
usual platforms: omap, exynos, tegra, mxs, mvebu and davinci."
* tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits)
ARM: exynos: dts: cros5250: add EC device
ARM: dts: Add sbs-battery for exynos5250-snow
ARM: dts: Add i2c-arbitrator bus for exynos5250-snow
ARM: dts: add mshc controller node for Exynos4x12 SoCs
ARM: dts: Add chip-id controller node on Exynos4/5 SoC
ARM: EXYNOS: Create virtual I/O mapping for Chip-ID controller using device tree
ARM: davinci: da850-evm: add SPI flash support
ARM: davinci: da850: override SPI DT node device name
ARM: davinci: da850: add SPI1 DT node
spi/davinci: add DT binding documentation
spi/davinci: no wildcards in DT compatible property
ARM: dts: mvebu: Convert mvebu device tree files to 64 bits
ARM: dts: mvebu: introduce internal-regs node
ARM: dts: mvebu: Convert all the mvebu files to use the range property
ARM: dts: mvebu: move all peripherals inside soc
ARM: dts: mvebu: fix cpus section indentation
ARM: davinci: da850: add EHRPWM & ECAP DT node
ARM/dts: OMAP3: fix pinctrl-single configuration
ARM: dts: Add OMAP3430 SDP NOR flash memory binding
ARM: dts: Add NOR flash bindings for OMAP2420 H4
...
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/dt2
From Sekhar Nori:
v3.10 DT updates for DaVinci
This set of patches adds support for PWMs and SPI
controller present on DA850 and for SPI flash present on
DA850 EVM.
* tag 'davinci-for-v3.10/dt-2-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: da850-evm: add SPI flash support
ARM: davinci: da850: override SPI DT node device name
ARM: davinci: da850: add SPI1 DT node
spi/davinci: add DT binding documentation
spi/davinci: no wildcards in DT compatible property
ARM: davinci: da850: add EHRPWM & ECAP DT node
ARM: davinci: da850: override mmc DT node device name
ARM: davinci: da850: add mmc DT entries
mmc: davinci_mmc: add DT support
ARM: davinci: da850: add tps6507x regulator DT data
ARM: regulator: add tps6507x device tree data
ARM: davinci: remove test for undefined Kconfig macro
ARM: davinci: mmc: derive version information from device name
ARM: davinci: da850: add ECAP & EHRPWM clock nodes
ARM: davinci: clk framework support for enable/disable functionality
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/dt2
update device tree for exynos4 and exynos5
* tag 'dt-exynos-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (125 commits)
ARM: dts: add PDMA0 changes for exynos5440
ARM: dts: Add cpufreq controller node for Exynos5440 SoC
ARM: dts: Fix gmac clock ids due to changes in Exynos5440
ARM: dts: add device tree file for SD5v1 board
ARM: dts: update bootargs to boot from sda2 for exynos5440-ssdk5440
ARM: dts: add PMU support in exynos5440
ARM: dts: Add node for GMAC for exynos5440
ARM: dts: list the interrupts generated by pin-controller on Exynos5440
ARM: dts: Add FIMD DT binding Documentation
ARM: dts: Add FIMD node and display timing node to exynos4412-origen.dts
ARM: dts: Add FIMD node to exynos4
ARM: dts: Add SYSREG block node for S5P/Exynos4 SoC series
ARM: dts: Add display timing node to exynos5250-smdk5250.dts
ARM: dts: Add FIMD node to exynos5
ARM: dts: Add virtual GIC DT bindings for exynos5440
ARM: dts: Document usb clocks in samsung,exynos4210-ehci/ohci bindings
ARM: dts: add usb 2.0 clock references to exynos5250 device tree
ARM: dts: Add architected timer nodes for exynos5250
ARM: dts: Declare the gic as a15 compatible for exynos5250
ARM: dts: Add HDMI HPD and regulator node for Arndale board
...
Signed-off-by: Olof Johansson <olof@lixom.net>
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With the generic DMA device tree helper supported by mxs-dma driver,
client devices only need to call dma_request_slave_channel() for
requesting a DMA channel from dmaengine.
Since mxs is a DT only platform now, along with the changes, the non-DT
case checking in probe function also gets cleaned up.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Chris Ball <cjb@laptop.org>
Cc: linux-mmc@vger.kernel.org
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
Pull MMC update from Chris Ball:
"MMC highlights for 3.10:
Core:
- Introduce MMC_CAP2_NO_PRESCAN_POWERUP to allow skipping
mmc_power_up() at boot/initialization time if it's already
happened, for performance (faster boot time) reasons.
- Fix a bit width test failure that resulted in old eMMC cards being
put into 1-bit mode when 4-bit mode was available.
- Expose fwrev/hwrev for MMCv4 parts.
- Improve card removal logic in the case where the card's removed
slowly; we were missing card removal events if the card retained
contact with the slot pads for long enough to reply to a CMD13
while being removed.
Drivers:
- davinci_mmc: Support using PIO instead of DMA.
- dw_mmc: Add support for Exynos4412.
- mxcmmc: DT support, use slot-gpio API.
- mxs-mmc: Add broken-cd/cd-inverted/non-removable DT property
support.
- sdhci-sirf: New sdhci-pltfm driver for CSR SiRF SoCs:
SiRFprimaII: unicore ARM Cortex-A9
SiRFatlas6: unicore ARM Cortex-A9
SiRFmarco: dual core ARM Cortex-A9 SMP
- sdhci-tegra: Add support for Tegra114 platforms, use
mmc_of_parse()"
* tag 'mmc-updates-for-3.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (66 commits)
mmc: sdhci-tegra: fix MODULE_DEVICE_TABLE
mmc: core: fix init controller performance regression, updated patch
mmc: mxcmmc: enable DMA support on mpc512x
mmc: mxcmmc: constify mxcmci_devtype
mmc: mxcmmc: use slot-gpio API for write-protect detection
mmc: mxcmmc: add mpc512x SDHC support
mmc: mxcmmc: fix race conditions for host->req and host->data access
mmc: mxcmmc: DT support
mmc: dw_mmc: let device core setup the default pin configuration
mmc: mxs-mmc: add broken-cd property
mmc: mxs-mmc: add non-removable property
mmc: mxs-mmc: add cd-inverted property
mmc: core: call pm_runtime_put_noidle in pm_runtime_get_sync failed case
mmc: mxcmmc: Fix bug when card is present during boot
mmc: core: fix performance regression initializing MMC host controllers
Revert "mmc: core: wait while adding MMC host to ensure root mounts successfully"
mmc: atmel-mci: pio hang on block errors
mmc: core: Fix bit width test failing on old eMMC cards
mmc: dw_mmc: Use pr_info instead of printk
mmc: dw_mmc: Check return value of regulator_enable
...
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The symbol referenced in MODULE_DEVICE_TABLE must match the actual
table, otherwise we get a build error like:
sdhci-tegra.c:206:34: error: '__mod_of_device_table' aliased to
undefined symbol 'sdhci_dt_ids'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add MMC_CAP2_NO_PRESCAN_POWERUP to sdhci-pci.c also, use mmc_power_off()
for MMC_CAP2_NO_PRESCAN_POWERUP.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
[cjb: previously applied v1 of this patch instead of v4]
Signed-off-by: Chris Ball <cjb@laptop.org>
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