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The SMBus host controller is the same as used in Baytrail so add the new
PCI ID to the driver's list of supported IDs.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Commit da3c6647(I2C/ACPI: Clean up I2C ACPI code and Add CONFIG_I2C_ACPI
config) adds a new kernel config I2C_ACPI and make I2C core built in
when the config is selected. This is wrong because distributions
etc generally compile I2C as a module and the commit broken that.
This patch is to rename I2C_ACPI to ACPI_I2C_OPREGION. New config
only controls ACPI I2C operation region code and depends on I2C=y.
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
[wsa: removed unrelated change for Kconfig]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
"Highlights:
- class based instantiation finally dropped for most embedded drivers
bringing boot up performance gains
- removed two drivers (one outdated, one a duplicate)
- ACPI has now operation region support (thanks to Lan Tianyu)
- the i2c-stub driver got overhauled and gained new features to
become more useful when writing i2c client drivers (thanks to
Guenter Roeck and Jean Delvare)
The rest is driver bugfixes, added bindings/ids, cleanups..."
* 'i2c/for-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (43 commits)
i2c: mpc: delete unneeded test before of_node_put
i2c: rk3x: fix interrupt handling issue
i2c: imx: Fix format warning for dev_dbg
i2c: qup: disable clks and return instead of just returning error
i2c: exynos5: always enable HSI2C
i2c: designware: add new bindings
i2c: gpio: Drop dead code in i2c_gpio_remove
i2c: pca954x: put the mux to disconnected state after resume
i2c: st: Update i2c timings
drivers/i2c/busses: use correct type for dma_map/unmap
i2c: i2c-st: Use %pa to print 'resource_size_t' type
i2c: s3c2410: resume the I2C controller earlier
i2c: stub: Avoid an array overrun on I2C block transfers
i2c: i801: Add device ID for Intel Wildcat Point PCH
i2c: i801: Fix the alignment of the device table
i2c: stub: Add support for banked register ranges
i2c: stub: Remember the number of emulated chips
i2c: stub: Add support for SMBus block commands
i2c: efm32: correct namespacing of location property
i2c: exynos5: remove extra line and fix an assignment
...
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Of_node_put supports NULL as its argument, so the initial test is not
necessary.
Suggested by Uwe Kleine-König.
The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression e;
@@
-if (e)
of_node_put(e);
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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If slave holds scl, I2C_IPD[7] will be set 1 by controller
for debugging. Driver must ignore it.
[ 5.752391] rk3x-i2c ff160000.i2c: unexpected irq in WRITE: 0x80
[ 5.939027] rk3x-i2c ff160000.i2c: timeout, ipd: 0x80, state: 4
Signed-off-by: Addy Ke <addy.ke@rock-chips.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: stable@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD update from Lee Jones:
"Changes to existing drivers:
- checkpatch fixes throughout the subsystem
- use Regmap to handle IRQs in max77686, extcon-max77693 and
mc13xxx-core
- use DMA in rtsx_pcr
- restrict building on unsupported architectures on timberdale,
cs5535
- SPI hardening in cros_ec_spi
- more robust error handing in asic3, cros_ec, ab8500-debugfs,
max77686 and pcf50633-core
- reorder PM runtime and regulator handing during shutdown in arizona
- enable wakeup in cros_ec_spi
- unused variable/code clean-up in pm8921-core, cros_ec, htc-i2cpld,
tps65912-spi, wm5110-tables and ab8500-debugfs
- add regulator handing into suspend() in sec-core
- remove pointless wrapper functions in extcon-max77693 and
i2c-cros-ec-tunnel
- use cross-architecture friendly data sizes in stmpe-i2c, arizona,
max77686 and tps65910
- devicetree documentation updates throughout
- provide power management support in max77686
- few OF clean-ups in max77686
- use manged resources in tps6105x
New drivers/supported devices:
- add support for s2mpu02 to sec-core
- add support for Allwinner A32 to sun6i-prcm
- add support for Maxim 77802 in max77686
- add support for DA9063 AD in da9063
- new driver for Intel PMICs (generic) and specifically Crystal Cove
(Re-)moved drivers ==
- move out keyboard functionality cros_ec ==> input/keyboard/cros_ec_keyb"
* tag 'mfd-for-linus-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (101 commits)
MAINTAINERS: Update MFD repo location
mfd: omap-usb-host: Fix improper mask use.
mfd: arizona: Only free the CTRLIF_ERR IRQ if we requested it
mfd: arizona: Add missing handling for ISRC3 under/overclocked
mfd: wm5110: Add new interrupt register definitions
mfd: arizona: Rename thermal shutdown interrupt
mfd: wm5110: Add in the output done interrupts
mfd: wm5110: Remove non-existant interrupts
mfd: tps65912-spi: Remove unused variable
mfd: htc-i2cpld: Remove unused code
mfd: da9063: Add support for AD silicon variant
mfd: arizona: Map MICVDD from extcon device to the Arizona core
mfd: arizona: Add MICVDD to mapped regulators for wm8997
mfd: max77686: Ensure device type IDs are architecture agnostic
mfd: max77686: Add Maxim 77802 PMIC support
mfd: tps6105x: Use managed resources when allocating memory
mfd: wm8997-tables: Suppress 'line over 80 chars' warnings
mfd: kempld-core: Correct a variety of checkpatch warnings
mfd: ipaq-micro: Fix coding style errors/warnings reported by checkpatch
mfd: si476x-cmd: Remedy checkpatch style complains
...
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Fixes the following by using %pR:
drivers/i2c/busses/i2c-imx.c: In function i2c_imx_probe()
drivers/i2c/busses/i2c-imx.c:689:2: warning: format 0x%x expects argument
of type unsigned int, but argument 4 has type resource_size_t [-Wformat=]
dev_dbg(&i2c_imx->adapter.dev, "device resources from 0x%x to 0x%x\n",
^
...
Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This fixes a error handling scenario where clocks were not being disabled
when QUP_OUTPUT_BLOCK_SIZE returns a size greater than the size of blk_sizes
array. So this patch adds a statement to jump to the fail lable to release the
clocks.
Signed-off-by: Pramod Gurav <pramod.gurav@smartplayin.com>
Acked-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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All Exynos5 platforms have HSI2C controllers and are needed by
various IPs connected to the boards based on these SoCs. Thus
select this by default for Exynos5 platforms.
Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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git://git.linaro.org/people/mike.turquette/linux
Pull clock framework updates from Mike Turquette:
"The clock framework changes for 3.17 are mostly additions of new clock
drivers and fixes/enhancements to existing clock drivers. There are
also some non-critical fixes and improvements to the framework core.
Changes to the clock framework core include:
- improvements to printks on errors
- flattening the previously hierarchal structure of per-clock entries
in debugfs
- allow per-clock debugfs entries that are specific to a particular
clock driver
- configure initial clock parent and/or initial clock rate from
Device Tree
- several feature enhancements to the composite clock type
- misc fixes
New clock drivers added include:
- TI Palmas PMIC
- Allwinner A23 SoC
- Qualcomm APQ8084 and IPQ8064 SoCs
- Rockchip rk3188, rk3066 and rk3288 SoCs
- STMicroelectronics STiH407 SoC
- Cirrus Logic CLPS711X SoC
Many fixes, feature enhancements and further clock tree support for
existing clock drivers also were merged, such as Samsung's "ARMCLK
down" power saving feature for their Exynos4 & Exynos5 SoCs"
* tag 'clk-for-linus-3.17' of git://git.linaro.org/people/mike.turquette/linux: (86 commits)
clk: Add missing of_clk_set_defaults export
clk: checking wrong variable in __set_clk_parents()
clk: Propagate any error return from debug_init()
clk: clps711x: Add DT bindings documentation
clk: Add CLPS711X clk driver
clk: st: Use round to closest divider flag
clk: st: Update frequency tables for fs660c32 and fs432c65
clk: st: STiH407: Support for clockgenA9
clk: st: STiH407: Support for clockgenD0/D2/D3
clk: st: STiH407: Support for clockgenC0
clk: st: Add quadfs reset handling
clk: st: Add polarity bit indication
clk: st: STiH407: Support for clockgenA0
clk: st: STiH407: Support for A9 MUX Clocks
clk: st: STiH407: Support for Flexgen Clocks
clk: st: Adds Flexgen clock binding
clk: st: Remove uncessary (void *) cast
clk: st: use static const for clkgen_pll_data tables
clk: st: use static const for stm_fs tables
clk: st: Update ST clock binding documentation
...
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This may appear as PCI or ACPI depending upon the firmware so we
have to list both. All share the same ACPI identifier but not
the same PCI identifier.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Commit a0682a31 ("i2c: gpio: Use devm_gpio_request()") left unused
code behind, clean it up.
Fixes: a0682a315889 ("i2c: gpio: Use devm_gpio_request()")
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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pca954x may be power lost during suspend, so after resume we also suffer
the issue fixed by commit cd823db8b1161ef0d756514d280715a576d65cc3,
"pca954x power-on default is channel 0 connected. If multiple pca954x
muxes are connected to the same physical I2C bus, the parent bus will
see channel 0 devices behind both muxes by default."
What's more, when resume bootloader may also operate the mux, so the
the channel connected after that may not be the one driver thought.
We fix this problem by putting the mux to disconnected state and
clearing last_chan in the resume hook.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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The i2c timing values specified in the driver are the minimun values
defined in the I2C specifications. The I2C specification does not
specify any default or maximum values.
Some I2C devices are out of spec, such as the HDMI link of the Toshiba
19AV600 TV, and might not work properly with minimum values.
This patch adds a 10% margin on all the timings in both Normal and Fast modes.
Trial and error method have been used to find the minimum margin necessary to
have the out-of-spec device working, and a security margin has been added.
Signed-off-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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dma_{un}map_* uses 'enum dma_data_direction' not 'enum dma_transfer_direction'.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Cc: stable@kernel.org
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When building multi_v7_defconfig with CONFIG_ARM_LPAE=y the following warning
is seen:
drivers/i2c/busses/i2c-st.c:818:2: warning: format '%x' expects argument of type
'unsigned int', but argument 4 has type 'resource_size_t' [-Wformat=]
Use %pa to print 'resource_size_t' type to fix the warning.
Reported-by: Olof's autobuilder <build@lixom.net>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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When the wake-up is triggered by the PMIC RTC, the RTC driver is trying
to read the PMIC interrupt status over I2C and fails because the I2C
controller is not resumed yet.
Let's resume the I2C controller earlier in the _noirq phase
(as other hardwares are doing), so we can properly get the wake-up
condition.
[tomasz: Also fixes certain issues on Exynos4-based boards.]
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This patch adds helper functions to configure clock parents and rates
as specified through 'assigned-clock-parents', 'assigned-clock-rates'
DT properties for a clock provider or clock consumer device.
The helpers are now being called by the bus code for the platform, I2C
and SPI busses, before the driver probing and also in the clock core
after registration of a clock provider.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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I2C block transfers can have a size up to 32 bytes. If starting close
to the end of the address space, there may not be enough room to write
that many bytes (on I2C block writes) or not enough bytes to be read
(on I2C block reads.) In that case, we must shorten the transfer so
that it does not exceed the address space.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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A long name broke the alignment, shift the columns a bit to fix it and
make the table look nice again. While we're here, switch to the
standard comment style to make checkpatch happy, and use tabs instead
of spaces for column alignment.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Some chips implement banked register ranges. This allows implementing
more registers than the limited 8-bit address space originally allows.
In order to access a register on these chips, you must first select
the proper bank. Add support for this mechanism to the i2c-stub driver
so that such chips can be emulated. All the bank settings are passed
as module parameters.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This makes initialization, cleanup and look-up easier.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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SMBus block commands are different to I2C block commands since
the returned data is not normally accessible with byte or word
commands on other command offsets. Add linked list of 'block'
commands to support those commands.
Access mechanism is quite simple: Block commands must be written
before they can be read. Subsequent writes can be partial. Block
read commands always return the number of bytes associated with
the longest previous write.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Olof Johansson pointed out that usually the company name is picked as
namespace prefix to specific properties. So expect "energymicro,location"
but fall back to the previously introduced name "efm32,location".
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This patch does the following in exynos5_i2c_message_start() function
1. Fixes an assignment
As, "i2c_auto_conf" is initialized to '0' at the beginning of the
function and HSI2C_READ_WRITE is defined as (1u << 16)
Using "|=" for the first assignment is more readable.
2. Removes an extra line
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This patch removes an extra read of FIFO_STATUS register in the interrrupt
service routine. Which is read again before the actual use.
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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The original code for the exynos i2c controller registered for the
"noirq" variants. However during review feedback it was moved to
SIMPLE_DEV_PM_OPS without anyone noticing that it meant we were no
longer actually "noirq" (despite functions named
exynos5_i2c_suspend_noirq and exynos5_i2c_resume_noirq).
i2c controllers that might have wakeup sources on them seem to need to
resume at noirq time so that the individual drivers can actually read
the i2c bus to handle their wakeup.
NOTE: I took the original review feedback from Wolfram and added
poweroff, thaw, freeze, restore.
This patch has only been compile-tested since I don't have all the
patches needed to make my machine using this i2c driver actually
suspend/resume.
Signed-off-by: Doug Anderson <dianders@chromium.org>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
While we are here, remove the indentation for the array setup because
such things always break after some time.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
Tested-by: Mikko Perttunen <mperttunen@nvidia.com>
Acked-by: Thierry Reding <treding@nvidia.com>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
While we are here, remove the indentation for the array setup because
such things always break after some time.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tested-by: Sachin Kamat <sachin.kamat@samsung.com>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
While we are here, remove the indentation for the array setup because
such things always break after some time.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
While we are here, remove the indentation for the array setup because
such things always break after some time.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Peter Korsgaard <peter@korsgaard.com>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
While we are here, remove the indentation for the array setup because
such things always break after some time.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver has been flagged to drop class based instantiation. The removal
improves boot-up time and is unneeded for embedded controllers. Users have been
warned to switch for some time now, so we can actually do the removal. Keep the
DEPRECATED flag, so the core can inform users that the behaviour finally
changed now. After another transition period, this flag can go, too.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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We have a warning already when support for old-fashioned class based
instantiation is about to be dropped somewhen soon from a driver. Let's
have another one when it was actually dropped. This allows to remove the
cruft a little earlier and still let users know what happened in the
rare case they are missing devices after the change. However, there is
enough interest to get rid of class based instantiation rather sooner
than later because it improves boot up time.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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This driver is marked as deprecated since the pre-git era. Any user
left(?) should really have switched to i2c-gpio meanwhile.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Jim Cromie <jim.cromie@gmail.com>
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It turned out that the s6000 simply has a designware IP core and should
use the designated driver for it which is way more maintained and
feature complete. There are currently no users in tree, and not even a
toolchain for s6000 seems to be available. So, simply remove this
duplicate. If someone needs assistance in converting to the designware
driver, the i2c list will be there to help.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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When communicating with the EC, the cmd_xfer() function should return the
number of bytes it received from the EC, or negative on error.
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Remove the three wrapper functions that talk to the EC without passing all
the desired arguments and just use the underlying communication function
that passes everything in a struct intead.
This is internal code refactoring only. Nothing should change.
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Signed-off-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Get rid of some boilerplate code by using module_serio_driver().
Signed-off-by: Christoph Jaeger <christophjaeger@linux.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Clean up ACPI related code in the i2c core and add CONFIG_I2C_ACPI
to enable I2C ACPI code.
Current there is a race between removing I2C ACPI operation region
and ACPI AML code accessing. So make i2c core built-in if CONFIG_I2C_ACPI
is set.
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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