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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux into char-misc-linus
Sasha writes:
hyperv-fixes-4.20-rc6
* tag 'hyperv-fixes-4.20-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels
x86, hyperv: remove PCI dependency
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It is possible that the PCA953x is powered down during suspend.
Use regmap cache to assure the registers in the PCA953x are in
line with the driver state after resume.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Drop pca953x_write_single() which is used in one place.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Replace the ad-hoc reg_output output register caching with generic
regcache cache. Drop pca953x_write_single() which is no longer used.
This reduces code duplication.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Replace the ad-hoc reg_direction direction register caching with generic
regcache cache. This reduces code duplication.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Convert the driver to use regmap to access the chips. Due to the convoluted
register mapping scheme, implement read/write/volatile check functions that
untangle the mess and perform check accordingly. This patch does not zap the
internal register cache of the PCA953x driver, nor does it push the regmap
access down into the gpiochip accessors to simplify the review. All that is
in subsequent patches.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Instead of having the I2C register calculation function spread across
multiple accessor functions, pull it out into a single function which
returns the adjusted register address.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The ad-hoc i2c block write can be replaced by standard register accessor
function, which correctly handles all the chip details and differences.
Do so to simplify the code.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The PCA957x and PCA953x init functions are almost the same, except for
the different register mapping and one extra write to BKEN register in
case of PCA957x. Factor out the common code.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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At this point, the pca953x_{read,write}_regs_mul() can read single bank
PCA953x GPIO chips as well. Merge the _8 and _mul functions together to
simplify the code a bit.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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At this point, these two functions only differ in whether they do or do not
set the address increment bit. The 16 GPIO case does not need to set the AI
bit, except for PCA9575 on write, while the 24 GPIO and more case does set
the AI bit always. Merge these two functions together to simplify the code
a bit.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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At this point, these two functions only differ in whether they do or do not
set the address increment bit on PCA9575. Merge these two functions together
to simplify the code a bit.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The multi-byte IO on various pca953x chips requires the auto-increment bit,
while other chips toggle the LSbit automatically. Note that LSbit toggling
only alternates between two registers during the IO, it is not the same as
address auto-increment. The driver currently assumes that #gpios > 16 implies
auto-increment, while #gpios <= 16 implies LSbit toggling. This is incorrect
at there are chips with 16 GPIOs which require the auto-increment bit.
The PCA9575, according to NXP datasheet rev. 4.2 from 16 April 2015, section
7.3 Command Register, the bit 7 in command register is the auto-increment
bit, which allows programming multiple registers sequentially.
Set this bit both in pca953x_gpio_set_multiple(), where it fixes the multi
register programming, and in pca957x_write_regs_16(), where is simplifies
the function. In fact, the pca957x_write_regs_16() now looks rather similar
to pca953x_write_regs_24() and pca953x_write_regs_16(), which is intended
for subsequent patches.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The PCAL_PINCTRL_MASK is too large. The extended register block on
PCAL6524, which is the largest chip with this block, has the block
limited to address range 0x40..0x7f. This is because the bit 7 in
the command register is used for the Address Increment functionality.
Trim the mask to 0x60 to match the datasheet and to prevent accidental
overwrite of the AI bit.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The bank_shift = fls(...) code was duplicated in the driver 5 times,
pull it into separate function.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The IRQ core code refers to the interrupt type by that name, whereas the
term flow is almost never used. Some GPIO controllers use the term
flow_type, but it is most consistent to just go with the IRQ core
terminology.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/andy/linux-gpio-intel into devel
intel-gpio for v4.21-1
Use managed resource allocation in pch and sodaville drivers.
Switch to use for_each_set_bit() in IRQ handlers.
Headers clean up.
Sort headers in inclusion block alphabetically for better maintenance.
Convert to SPDX identifier and fixing MODULE_LICENSE() when appropriate.
Additional format fixes to rectify debug and message printing.
There is a commit which had been applied to v4.20-rc4, that's why dup.
- c3bc3ff9e8019fba74ce62bfb501d710c2fca9d3 MAINTAINERS: Do maintain Intel GPIO drivers via separate tree
The following is an automated git shortlog grouped by driver:
ich:
- Convert to use SPDX identifier
- Sort headers alphabetically
- Join string literals back
- Convert pr_<level> to dev_<level>
- Switch to use struct device instead of platform_device
- Simplify error handling in ichx_write_bit()
intel-mid:
- Convert to use SPDX identifier
- Remove linux/module.h and sort headers
lynxpoint:
- Convert to use SPDX identifier
- Remove linux/init.h and sort headers
- Use for_each_set_bit() in IRQ handler
MAINTAINERS:
- Do maintain Intel GPIO drivers via separate tree
merrifield:
- Convert to use SPDX identifier
- Remove linux/init.h
pch:
- Convert to use SPDX identifier
- Sort headers alphabetically
- Remove duplicate assignments
- Remove redundant __func__ from debug print
- Use for_each_set_bit() in IRQ handler
- Convert to dev_pm_ops
- Convert to use managed functions pcim_* and devm_*
sch:
- Convert to use SPDX identifier
- Remove linux/init.h and sort headers
sodaville:
- Convert to use SPDX identifier
- Sort headers alphabetically
- Use for_each_set_bit() in IRQ handler
- Convert to use managed functions pcim_* and devm_*
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Before things go out of hand, make it possible to pass
flags when requesting "own" descriptors from a gpio_chip.
This is necessary if the chip wants to request a GPIO with
active low semantics, for example.
Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Roger Quadros <rogerq@ti.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The code to prevent a bus suspend if a USB3 port was still in link training
also reacted to USB2 port polling state.
This caused bus suspend to busyloop in some cases.
USB2 polling state is different from USB3, and should not prevent bus
suspend.
Limit the USB3 link training state check to USB3 root hub ports only.
The origial commit went to stable so this need to be applied there as well
Fixes: 2f31a67f01a8 ("usb: xhci: Prevent bus suspend if a port connect change or polling state is detected")
Cc: stable@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull more operating performance points (OPP) framework changes for v4.21
from Viresh Kumar:
"- Fix missing OPP debugfs directory (Viresh Kumar).
- Make genpd performance states orthogonal to idlestates (Ulf
Hansson).
- Propagate performance state changes from genpd to its master (Viresh
Kumar).
- Minor improvement of some OPP helpers (Viresh Kumar)."
* 'opp/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
PM / Domains: Propagate performance state updates
PM / Domains: Factorize dev_pm_genpd_set_performance_state()
PM / Domains: Save OPP table pointer in genpd
OPP: Don't return 0 on error from of_get_required_opp_performance_state()
OPP: Add dev_pm_opp_xlate_performance_state() helper
OPP: Improve _find_table_of_opp_np()
PM / Domains: Make genpd performance states orthogonal to the idlestates
OPP: Fix missing debugfs supply directory for OPPs
OPP: Use opp_table->regulators to verify no regulator case
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This patch adds support for entering/resuming suspend states.
It does this by setting the LPM pin of the PMIC.
When suspending the PMIC will enter the Low-power mode
when the LPM pin will be set to high. If the suspend target state
is suspend-to-mem, the PMIC will transition to Hibernate mode,
otherwise, if it is standby, it will remain in Low-power mode.
Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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We used to have many versions of statistics notification
coming from the firmware. In one of the cleanup patches,
we forgot to clean the code that checks if data->general
is set. Since it is always set, remove the check.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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command len is set too early in the code, since when building
AMSDU, the size changes. This causes the byte count table to
have the wrong size.
Fixes: a0ec0169b7a9 ("iwlwifi: support new tx api")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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UL_DL is irrelevant to HE TRIG_BASED PPDU.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We may have the L-SIG length depending on the phy_data info type;
add it to radiotap when we do.
Move getting the phy_data out one layer up and the info type into
it so we can use this data more generically. We need to call the
iwl_mvm_rx_he() function for other reasons as well, so can't just
combine all of that into something like iwl_mvm_parse_phy_data().
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The firmware changed the PHY data API, so follow suit.
Some data is now available even for HT/VHT frames, so
the info type in the metadata was changed. This change
isn't backwards compatible, but
1) the firmware with the old API was never released;
2) the only overlap in the info type field is from the
old type of TB to the new of HT, so this basically
just means that with older FW and newer driver the
data will be considered missing.
While at it, remove the extra code to set the LTF syms
corresponding to the streams and use the data from the
device instead - we don't really need this in any case
other than when we have it from the device.
As the new API gives use the spatial reuse 1-4 fields
for trigger-based PPDUs, also expose that to radiotap.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When removing the driver, the following flow can happen:
1. host command is in progress, for example at index 68.
2. RX interrupt is received with the response.
3. Before it is processed, the remove flow kicks in, and
calls iwl_pcie_txq_unmap. The function cleans all DMA,
and promotes the read pointer to 69.
4. RX thread proceeds with the processing, and is calling
iwl_pcie_cmdq_reclaim, which will print this error:
iwl_pcie_cmdq_reclaim: Read index for DMA queue txq id (0),
index 4 is out of range [0-256] 69 69.
Detect this situation, and avoid the print. Change it to
warning while at it, to make such issues more noticeable
in the future.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When traffic load is not low or low latency is active, TCM schedules
re-evaluation work so in case traffic stops TCM will detect that
traffic load has become low or that low latency is no longer active.
However, if TCM is paused when the re-evaluation work runs, it does
not re-evaluate and the re-evaluation work is no longer scheduled.
As a result, TCM will not indicate that low latency is no longer
active or that traffic load is low when traffic stops.
Fix this by forcing TCM re-evaluation when TCM is resumed in case
low latency is active or traffic load is not low.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Now that nvm_calib_ver is not checked in opmodes other than dvm, we
can remove it from all irrelevant configurations.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This function is only half-used by mvm (i.e. only the nvm_version part
matters, since the calibration version is irrelevant), so it's
pointless to export it from iwlwifi. If mvm uses this function, it
has the additional complexity of setting the calib version to a bogus
value on all cfg structs.
To avoid this, move the function to dvm and make a simple comparison
of the nvm_version in mvm instead.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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These macros are useless because each one of them is used only once
and the element they are assigned to is already pretty clear about
what they mean, "nvm_hw_section_num".
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Using OTP_LOW_IMAGE_SIZE_FAMILY_8000/9000/22000 only obfuscates the
actual values, since these 3 are the same. Redefine the values per
size so it's easier to understand and compare the different
configurations.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Call the previously introduced apply points entry
point when reaching an apply point.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Add support for ini triggers.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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When ini TLVs are loaded, dump data according to the
stored configuration.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The ht_params, nvm_ver, nvm_calib_ver and max_ht_ampdu_exponent
elements in 9000 devices are always the same. Move them to the common
macro.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Currently a genpd only handles the performance state requirements from
the devices under its control. This commit extends that to also handle
the performance state requirement(s) put on the master genpd by its
sub-domains. There is a separate value required for each master that
the genpd has and so a new field is added to the struct gpd_link
(link->performance_state), which represents the link between a genpd and
its master. The struct gpd_link also got another field
prev_performance_state, which is used by genpd core as a temporary
variable during transitions.
On a call to dev_pm_genpd_set_performance_state(), the genpd core first
updates the performance state of the masters of the device's genpd and
then updates the performance state of the genpd. The masters do the same
and propagate performance state updates to their masters before updating
their own. The performance state transition from genpd to its master is
done with the help of dev_pm_opp_xlate_performance_state(), which looks
at the OPP tables of both the domains to translate the state.
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Separate out _genpd_set_performance_state() and
_genpd_reeval_performance_state() from
dev_pm_genpd_set_performance_state() to handle performance state update
related stuff. This will be used by a later commit.
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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dev_pm_genpd_set_performance_state() will be required to call
dev_pm_opp_xlate_performance_state() going forward to translate from
performance state of a sub-domain to performance state of its master.
And dev_pm_opp_xlate_performance_state() needs pointers to the OPP
tables of both genpd and its master.
Lets fetch and save them while the OPP tables are added. Fetching the
OPP tables should never fail as we just added the OPP tables and so add
a WARN_ON() for such a bug instead of full error paths.
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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of_get_required_opp_performance_state() returns 0 on errors currently
and a positive performance state otherwise. Since 0 is a valid
performance state (representing off), it would be better if this routine
returns negative values on error.
That will also make it behave similar to
dev_pm_opp_xlate_performance_state(), which also returns performance
states and returns negative values on error. Change the return type of
the function to "int" in order to return negative values.
This doesn't have any users for now and so no other part of the kernel
will be impacted with this change.
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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dev_pm_genpd_set_performance_state() needs to handle performance state
propagation going forward. Currently this routine only gets the required
performance state of the device's genpd as an argument, but it doesn't
know how to translate that to master genpd(s) of the device's genpd.
Introduce a new helper dev_pm_opp_xlate_performance_state() which will
be used to translate from performance state of a device (or genpd
sub-domain) to another device (or master genpd).
Normally the src_table (of genpd sub-domain) will have the
"required_opps" property set to point to one of the OPPs in the
dst_table (of master genpd), but in some cases the genpd and its master
have one to one mapping of performance states and so none of them have
the "required-opps" property set. Return the performance state of the
src_table as it is in such cases.
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Make _find_table_of_opp_np() more efficient by using of_get_parent() to
find the parent OPP table node.
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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These meta formats are used on Intel IPU3 ImgU video queues
to carry 3A statistics and ISP pipeline parameters.
V4L2_META_FMT_IPU3_3A
V4L2_META_FMT_IPU3_PARAMS
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Chao C Li <chao.c.li@intel.com>
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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It's quite questionable whether genpd internally should care about if the
corresponding PM domain for a device is powered on, as to allow setting a
new performance state for it. The assumptions creates an unnecessary
limitation at this point, for both consumers and providers, but more
importantly it also makes the code more complicated.
Therefore, let's simplify the code to allow setting a performance state, by
invoking the ->set_performance_state() callback, no matter whether the PM
domain is powered on or off.
Do note, this change means genpd providers needs to restore the performance
state themselves during power on, via the ->power_on() callback. Moreover,
they may also need to check that the PM domain is powered on, from their
->set_performance_state() callback, before deciding to update the state.
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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This patch adds support for the Intel IPU v3 as found
on Skylake and Kaby Lake SoCs.
The driver glues v4l2, css(camera sub system) and other
pieces together to perform its functions, it also loads
the IPU3 firmware binary as part of its initialization.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Implement video driver that utilizes v4l2, vb2 queue support
and media controller APIs. The driver exposes single subdevice and
six nodes.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This provides helper library to be used by v4l2 level to program
imaging pipelines and control the streaming.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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This patch implements the functions to initialize
and configure IPU3 h/w such as clock, irq and power.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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A collection of routines that are mainly used
to calculate the parameters for accelerator cluster.
Signed-off-by: Yong Zhi <yong.zhi@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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