| Commit message (Collapse) | Author | Age |
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Add primitive OF support to the sh-mmcif driver, which also makes it
necessary to be able to run without platform data.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add primitive support for OF to the SDHI TMIO glue, which also makes it
necessary to be able to run without platform data.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The tmio-mmc driver is already using the generic GPIO CD handler in IRQ
mode. This patch adds support for CD polling mode and also checks for
availability of a WP GPIO.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Let SDHI platforms specify mmc_host::caps2 flags in their platform data.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Allow tmio mmc glue drivers to pass mmc_host::caps2 flags down to
the mmc layer.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Add regulator support to the sh_mmcif driver, but also preserve the current
power-callback.
Also note, that the card power is not switched off during clock gating
periods, hence there's no need to power it on every time the card is
re-activated.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviwed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
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From the original version of sh_mmcif the .set_pwr() callback has only been
used to turn the card's power on, and the .down_pwr() callback has been
used to turn it off. .set_pwr() can be used for both these tasks, which is
also how it is implemented by the only user of this API: the SH7724 ecovec
board.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
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With aggressive clock gating the clock can be disabled during interface
inactivity. During this time its frequency can be changed by another its
user. Therefore when the interface is activated again and the clock is
re-enabled, its frequency has to be re-read.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Regardless of whether the MMC bus clock is the same as the PM clock on
this specific interface, it has to be managed separately. Its proper
management should also include enabling and disabling of the clock,
whenever the interface is becoming active or going idle respectively.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
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A check for NULL platform data can be conveniently made in the very
beginning of probing. Replace numbered error-handling labels in .probe()
with meaningful names to make any future reorganisation simpler.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Currently the SDHI glue for the TMIO MMC driver installs dummy .get_cd() and
.set_pwr() callbacks even if the platform didn't supply them. This is not
necessary, since the TMIO MMC driver itself checks for NULL callbacks. This
is also dubious if the platform provides a regulator for SD-card power
switching. It is better to only install those callbacks, if they are really
provided by the platform.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Currently the TMIO MMC driver derives the OCR mask from the platform data
and uses a platform callback to turn card power on and off. This patch adds
regulator support to the driver.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Instead of delivering one static clock frequency value, read from the
hardware during probing, enable the tmio-mmc driver to re-read the
frequency dynamically.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Every time the clock is enabled after possibly being disabled, we have
to re-read its frequency and update our configuration.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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We don't have to force-enable MMC interrupts in our .probe() method,
mmc_add_host() will trigger card detection, that will enable all the
necessary interrupts.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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host->dma_ops is not valid if host->usa dma is 0 so protect
host->dma_ops reference in dw_mci_resume
Signed-off-by: Jonathan Kliegman <kliegs@chromium.org>
Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The tmio_mmc_set_ios() function configures the MMC power, clock and bus
width. When the mmc core requests the driver to power off the card, we
inform runtime PM, that the controller can be suspended. This can lead
to the MSTP clock being turned off.
Writing to any 16-bit hardware registers with the MSTP clock off leads
to timeouts and errors being printed to the kernel log. This can occur
both when stopping the MMC clock and when configuring the bus width.
To fix this, stop the MMC clock before calling put_runtime_pm(), and
skip bus width configuration when power is off.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Simon Horman <horms@verge.net.au>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The MMC_SLEEP_AWAKE and SD_IO_SEND_OP_COND commands share the same
opcode. SD_IO_SEND_OP_COND isn't supported by the SH MMCIF, but
MMC_SLEEP_AWAKE is. Discriminate between the two commands using the
command flags, and reject SD_IO_SEND_OP_COND only.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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In the current dwmmc driver there is support for selecting IDMAC from
the menu config option. If the support for IDMAC is enabled in the menu
config and the hardware configuration register's DMA_INTERFACE field is
0, the driver will still try to do the DMA initialization.
The dw_mci_idmac_init function currently implemented returns only success
indicating that the DMA initialization is always successful. This patch
adds a check for existence of the DMA IP to allow the DMA initialization.
Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Tested on an OLPC XO-1.75. (MMP2, sdhci-pxav3, CONFIG_MACH_MMP2_DT=y)
Signed-off-by: Chris Ball <cjb@laptop.org>
Acked-by: Haojian Zhuang <haojian.zhuang@gmail.com>
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GPIOs can be used in MMC/SD-card slots not only for hotplug detection, but
also to implement the write-protection pin. Rename cd-gpio helpers to
slot-gpio to make addition of further slot GPIO functions possible.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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mmc.h defines macros for most frequently used MMC opcodes. Use them instead
of hard-coded numbers.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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This patch reverts the commit dba3c29ea4a1d5d544.
After bisecting, this commit dba3c29 is found to ruin micro-SD card data
(writing incorrect file, or fs is corrupt after several times mount)
on the beagle-xm revB, and reverting the commit will fix the problem.
Also from TRM of OMAP3/OMAP4/DM37x, the below is mentioned about
the Auto CMD12 Enable bit.
- SDIO does not support this feature.
- SD card only.
Looks it is not suitable to always enable Auto CMD12 in host controller
driver.
Considered that the commit is not mature enough, so ask to revert it
first.
Cc: Balaji T K <balajitk@ti.com>
Cc: Venkatraman S <svenkatr@ti.com>
Buglink: https://lkml.org/lkml/2012/6/10/225
Reported-by: Paolo Pisati <p.pisati@gmail.com>
Reported-bisected-and-tested-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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* emailed from Andrew Morton <akpm@linux-foundation.org>: (21 patches)
mm/memblock: fix overlapping allocation when doubling reserved array
c/r: prctl: Move PR_GET_TID_ADDRESS to a proper place
pidns: find_new_reaper() can no longer switch to init_pid_ns.child_reaper
pidns: guarantee that the pidns init will be the last pidns process reaped
fault-inject: avoid call to random32() if fault injection is disabled
Viresh has moved
get_maintainer: Fix --help warning
mm/memory.c: fix kernel-doc warnings
mm: fix kernel-doc warnings
mm: correctly synchronize rss-counters at exit/exec
mm, thp: print useful information when mmap_sem is unlocked in zap_pmd_range
h8300: use the declarations provided by <asm/sections.h>
h8300: fix use of extinct _sbss and _ebss
xtensa: use the declarations provided by <asm/sections.h>
xtensa: use "test -e" instead of bashism "test -a"
xtensa: replace xtensa-specific _f{data,text} by _s{data,text}
memcg: fix use_hierarchy css_is_ancestor oops regression
mm, oom: fix and cleanup oom score calculations
nilfs2: ensure proper cache clearing for gc-inodes
thp: avoid atomic64_read in pmd_read_atomic for 32bit PAE
...
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viresh.kumar@st.com email-id doesn't exist anymore as I have left the
company. Replace ST's id with viresh.linux@gmail.com.
It also updates .mailmap file to fix address for 'git shortlog'
Signed-off-by: Viresh Kumar <viresh.linux@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull ARM fixes from Russell King:
"This includes three MMCI changes - one to fix up the wrong version of
the DT support patch which was merged, and two to make deferred
probing work. It also includes a fix to the OMAP SPI driver which is
causing a boot time warning.
The remainder are very minor ARM fixes."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
SPI: fix over-eager devm_xxx() conversion
ARM: 7427/1: mmc: mmci: Defer probe() in case of yet uninitialized GPIOs
ARM: 7426/1: mmc: mmci: Remove wrong error handling of gpio 0
ARM: 7425/1: extable: ensure fixup entries are 4-byte aligned
ARM: 7421/1: bpf_jit: BPF_S_ANC_ALU_XOR_X support
ARM: 7423/1: kprobes: run t32_simulate_ldr_literal() without insn slot
ARM: 7422/1: mmc: mmci: Allocate platform memory during Device Tree boot
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If the GPIOs used by the MMCI driver are not registered yet when the driver is
probe()d, they can't be used. This happens if the mmci driver is probed before
the respective GPIO controller (e.g. on the LPC32xx EA3250 board, the PCA9532
GPIO controller would be initialized via DT after mmci). Therefore, we defer
mmci in this case.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Zero is a valid GPIO and shouldn't be handled as an error return code from
of_get_named_gpio(). It was a leftover from old code before getting
pdata->gpio_*() was modified.
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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When booting with Device Tree enabled, platform specific information
is gathered by parsing the DT binary. Platform data is subsequently
populated with the result. The memory required for this is not
automatically allocated during Device Tree boot, so we'll do it here
instead.
Acked-by: Linus Walleij <linus.walleij@linaro.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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Signed-off-by: Marek Vasut <marex@denx.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Fix a boot regression in existing kernels causing:
genirq: Threaded irq requested with handler=NULL and !ONESHOT for irq XXX
caused by 1c6c6952 (genirq: Reject bogus threaded irq requests).
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Commit fa550189 (mmc: core: Prevent eMMC VCC supply to be cut from late init)
slightly affected timings for how things are done for the omap MMC driver
causing the MMC cards not getting detected any longer.
Turns out this was caused by buggy reg_shift initialization in the omap
MMC driver that was happening after mmc_add_host() was being called.
Fix this by initializing reg_shift before mmc_add_host() is called.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Commit b01a4f1c (mmc: omap: convert to per instance workqueue) initializes
the workqueue too late causing the following:
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1] SMP ARM
Modules linked in:
CPU: 0 Not tainted (3.4.0-08218-gb48b2c3 #158)
PC is at __queue_work+0x8/0x46c
LR is at queue_work_on+0x38/0x40
pc : [<c005bb4c>] lr : [<c005c00c>] psr: 60000193
sp : c0691e1c ip : 00000000 fp : c07374ac
r10: c7aae400 r9 : c0395700 r8 : 00000100
r7 : c0691e70 r6 : 00000000 r5 : 00000000 r4 : c7aae440
r3 : 00000001 r2 : c7aae440 r1 : 00000000 r0 : 00000000
Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 00c5387d Table: 80004000 DAC: 00000017
Process swapper/0 (pid: 0, stack limit = 0xc06902f8)
Stack: (0xc0691e1c to 0xc0692000)
Fix this by initializing the workqueue before mmc_omap_remove_slot()
get called. Tested on n770, looks like n800 at least still has some
other issue with MMC.
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Commit b6e0703b (mmc: omap: make it behave well as a module) made some
__devinit changes but missed one function causing a section warning:
WARNING: vmlinux.o(.devinit.text+0x8604): Section mismatch in reference
from the function mmc_omap_probe)
The function __devinit mmc_omap_probe() references a function
__init mmc_omap_new_slot().
Signed-off-by: Tony Lindgren <tony@atomide.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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In case of "host->bus_hz < slot->clock", divider value is
miscalculated. And clock divider register value is multiple of 2. If
calculated divider value is odd number, result can be over-clocking.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Will Newton <will.newton@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Setting host->data to NULL is incorrect sequence in
dw_mci_command_complete. This early setting makes the skip of
dma_unmap_sg in dw_mci_dma_cleanup.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Will Newton <will.newton@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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IDMAC may not be cleaned in driver probe if it has been already used in
boot time. So IDMAC needs sw reset newly. And DMA interface reset
precedes the internal DMAC reset. Additionally SDMMC_IDMAC_SWRESET is
replaced with magic code.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Acked-by: Will Newton <will.newton@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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DTO interrupt can be later than transmit interrupt(IDMAC) in case of
write. Current handling of IDMAC interrupt sets EVENT_DATA_COMPLETE as
well as EVENT_XFER_COMPLETE regardless of DTO rising. This makes the
current request finish in tasklet and permits the next request even
though current data transfer is still in progress. As a result, sequence
is broken and lock-up happens. Setting EVENT_DATA_COMPLETE is not proper
after IDMAC interrupt. It should be taken after DTO interrupt is
generated.
Reported-by: Dmitry Shmidt <dimitrysh@android.com>
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Hyeonsu Kim <hyeonsu.kim@samsung.com>
Acked-by: Will Newton <will.newton@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The use of DMA slave config operation requires that the burst size
(aka chunk size) is specified through this interface.
Modify atmel-mci slave driver to use this specification on its side.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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The data timeout timer was configured after mmc_add_host call. So, with bad
timings, it was possible to have a mmc request causing mod_timer call on a
non setup timer.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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3bdc9ba892d6 ("mmc: use really long write timeout to deal with crappy
cards") in 3.4 increased the write timeout that the core sends to host
drivers to 3 seconds. This makes sdhci's "requested timeout too large"
warning trigger on every write; so, change this pr_warning() to a DBG().
Reported-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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Pull arm-soc device tree conversions (part 2) from Olof Johansson:
"These continue the device tree work from part 1, this set is for the
tegra, mxs and imx platforms, all of which have dependencies on clock
or pinctrl changes submitted earlier."
Fix up trivial conflicts due to nearby changes in
drivers/{gpio/gpio,i2c/busses/i2c}-mxs.c
* tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
ARM: dt: tegra: invert status=disable vs status=okay
ARM: dt: tegra: consistent basic property ordering
ARM: dt: tegra: sort nodes based on bus order
ARM: dt: tegra: remove duplicate device_type property
ARM: dt: tegra: consistenly use lower-case for hex constants
ARM: dt: tegra: format regs properties consistently
ARM: dt: tegra: gpio comment cleanup
ARM: dt: tegra: remove unnecessary unit addresses
ARM: dt: tegra: whitespace cleanup
ARM: dt: tegra cardhu: fix typo in SDHCI node name
ARM: dt: tegra: cardhu: register core regulator tps62361
ARM: dt: tegra30.dtsi: Add SMMU node
ARM: dt: tegra20.dtsi: Add GART node
ARM: dt: tegra30.dtsi: Add Memory Controller(MC) nodes
ARM: dt: tegra20.dtsi: Add Memory Controller(MC) nodes
ARM: dt: tegra: Add device tree support for AHB
ARM: dts: enable audio support for imx28-evk
ARM: dts: enable i2c device for imx28-evk
i2c: mxs: add device tree probe support
ARM: dts: enable mmc for imx28-evk
...
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Changes in the dt2 branch move stuff around that gets changed
in the drivers/mmc branch. I chose a non-obvious resolution by
adding the new bus-width property into all the tegra sdhci device
nodes.
Conflicts:
arch/arm/boot/dts/tegra-cardhu.dts
arch/arm/boot/dts/tegra-harmony.dts
arch/arm/boot/dts/tegra-ventana.dts
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.linaro.org/people/shawnguo/linux-2.6.git into next/dt2
Shawn Guo <shawn.guo@linaro.org> writes:
I chose to base it on Sascha's imx-common-clk series than -rc, because
otherwise it will keep patching clock file that has been removed by
imx-common-clk series. It also depends on imx-pinctrl pull-request
I just sent to be functional.
Note: when imx-common-clk and imx-pinctrl get merged together, the
following files will have conflicts. But the conflicts should not be
so hard to resolve.
[arnd: resolved those merge conflicts by pulling pinctrl branch]
* imx/dt: (24 commits)
ARM: dts: imx53-qsb: enable audio support
ARM: dts: imx51-babbage: enable audio support
ARM: imx: add audio codec clk lookup for imx53-qsb
ARM: imx: add audmux pad setting for imx51-babbage
ARM: imx: add more imx5 ssi clocks
ARM: dts: imx53-qsb: Add Dialog DA9053 PMIC support
ARM: dts: imx6q-sabrelite: add serial2 pinctrl support
ARM: dts: imx6q-sabrelite: add sound device imx6q-sabrelite-sgtl5000
ARM: imx6q_sabrelite: clk_register_clkdev cko1 for sgtl5000
ARM: imx6q: add ssi1_ipg clk_lookup
ARM: dts: imx6q-sabrelite: add audmux pinctrl support
ARM: dts: imx6q-sabrelite: add i2c1 pinctrl support
ARM: dts: imx6q-sabrelite: add audmux device
ARM: dts: imx6q-sabrelite: add ssi device
ARM: dts: imx6q-arm2: add pinctrl state for usdhc
ARM: imx6: Add UART2 for low-level debug
ARM: imx6q: register phy fixup only when CONFIG_PHYLIB is enabled
ARM: imx6q: move imx6q_sabrelite specific code to a dedicated function
ARM: dts: imx6q-sabrelite: Add SPI NOR support
ARM: dts: Add basic support for imx6q-sabresd
...
Pulls in imx/pinctrl and imx/clock as dependencies.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Conflicts:
drivers/mmc/host/sdhci-esdhc-imx.c
drivers/net/ethernet/freescale/fec.c
drivers/spi/spi-imx.c
drivers/tty/serial/imx.c
This resolves some simply but annoying conflicts.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt2
* 'mxs/dt/for-3.5' of git://git.linaro.org/people/shawnguo/linux-2.6: (51 commits)
ARM: dts: enable audio support for imx28-evk
ARM: dts: enable i2c device for imx28-evk
i2c: mxs: add device tree probe support
ARM: dts: enable mmc for imx28-evk
ARM: dts: enable mmc for imx23-evk
mmc: mxs-mmc: add device tree support
mmc: mxs-mmc: copy wp_gpio in struct mxs_mmc_host
mmc: mxs-mmc: have dma_channel than dma_res in mxs_mmc_host
mmc: mxs-mmc: use devm_* helper to make cleanup simpler
mmc: mxs-mmc: move header from mach into linux folder
mmc: mxs-mmc: get rid of the use of cpu_is_xxx
mmc: mxs-mmc: let ssp_is_old take host as parameter
mmc: mxs-mmc: use global stmp_device functionality
ARM: mxs: add gpio support for device tree boot
gpio/mxs: add device tree probe
gpio/mxs: get rid of the use of cpu_is_xxx
gpio/mxs: use devm_* helpers to make error handling simple
ARM: mxs: add mxs-dma dt support
ARM: mxs: do not add dma device by default
dma: mxs-dma: add device tree probe support
...
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It adds device tree probe support for mxs-mmc driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Chris Ball <cjb@laptop.org>
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Copy wp_gpio from platform_data into struct mxs_mmc_host, so that
the use of platform_data can be limited in probe function, which
will ease the device tree probe.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
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It replaces dma_res with dma_channel in struct mxs_mmc_host, so that
the device tree support will be a little easier, since dma channel
can not be retrieved from "struct resource *dma_res".
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Marek Vasut <marex@denx.de>
Acked-by: Chris Ball <cjb@laptop.org>
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