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Let a vendor driver supply the maximum descriptor size that it
can operate on. ADMA descriptor table would be allocated using this
supplied size.
If any SD Host controller is of version prior to v4.10 spec
but supports 16byte descriptor, this change allows them to supply
correct descriptor size for ADMA table allocation.
Also let a vendor driver update the descriptor size by overriding
sdhc_host->desc_size if it has to operates on a different descriptor
sizes in different conditions.
Suggested-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Veerabhadrarao Badiganti <vbadigan@codeaurora.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1579531122-28341-1-git-send-email-vbadigan@codeaurora.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.
https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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if seq_file .next fuction does not change position index,
read after some lseek can generate unexpected output.
https://bugzilla.kernel.org/show_bug.cgi?id=206283
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check if the dci structer has been allocated before trying to release it.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-8-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The functions link_destroy and link_release are both deleting list items.
link_release, however, does not check whether a certain link has already
been deleted from the list by function link_destroy. By fixing this
this patch prevents a kernel crash when removing the configuration
directory of a link that already has been destroyed.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-7-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the module's logging messages.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-6-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch declares and initializes the bus, bus driver and the
component list without a container struct, as it introduces an
unnecessary level of abstraction.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-5-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the device from the MOST core driver and uses the
device from the adapter driver.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-4-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch drops the device reference added by function
bus_find_device_by_name.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-3-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch makes the adapter drivers use their own device structures
when registering a most interface with the core module.
With this the module that actually operates the physical device is the
owner of the device.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1579793906-5054-2-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is a preparation patch for adding a new platform fallback mechanism,
which will have its own enable/disable FW_OPT_xxx option.
Note this also fixes a typo in one of the re-wordwrapped comments:
enfoce -> enforce.
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200115163554.101315-4-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Current USB charger framework only shows charger state for user, but the
user may also need charger type for further use, add support for it.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Link: https://lore.kernel.org/r/1579145333-1657-1-git-send-email-peter.chen@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The text contains a spelling mistake, "to" should be "too"
so fix this and re-work the grammar to make it more readable.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Link: https://lore.kernel.org/r/20200122234437.2829803-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add Jasper Point (Jasper Lake) device id for MEI
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200124001455.24176-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is a spelling mistake in a hw_dbg message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently it is not easy to find out which DMA channels are in use, and
which slave devices are using which channels.
Fix this by creating two symlinks between the DMA channel and the actual
slave device when a channel is requested:
1. A "slave" symlink from DMA channel to slave device,
2. A "dma:<name>" symlink slave device to DMA channel.
When the channel is released, the symlinks are removed again.
The latter requires keeping track of the slave device and the channel
name in the dma_chan structure.
Note that this is limited to channel request functions for requesting an
exclusive slave channel that take a device pointer (dma_request_chan()
and dma_request_slave_channel*()).
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Link: https://lore.kernel.org/r/20200117153056.31363-1-geert+renesas@glider.be
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This patch adds a driver for HiSilicon Kunpeng DMA engine. This DMA engine
which is an PCIe iEP offers 30 channels, each channel has a send queue, a
complete queue and an interrupt to help to do tasks. This DMA engine can do
memory copy between memory blocks or between memory and device buffer.
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: Zhenfa Qiu <qiuzhenfa@hisilicon.com>
Link: https://lore.kernel.org/r/1579155057-80523-1-git-send-email-wangzhou1@hisilicon.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Create a char device region that will allow acquisition of user portals in
order to allow applications to submit DMA operations. A char device will be
created per work queue that gets exposed. The workqueue type "user"
is used to mark a work queue for user char device. For example if the
workqueue 0 of DSA device 0 is marked for char device, then a device node
of /dev/dsa/wq0.0 will be created.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965026985.73301.976523230037106742.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Add plumbing for dmaengine subsystem connection. The driver register a DMA
device per DSA device. The channels are dynamically registered when a
workqueue is configured to be "kernel:dmanegine" type.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965026376.73301.13867988830650740445.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This commit adds helper functions for DSA descriptor allocation,
submission, and free operations.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965025757.73301.12692876585357550065.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The device is left unconfigured when the driver is loaded. Various
components are configured via the driver sysfs attributes. Once
configuration is done, the device can be enabled by writing the device name
to the bind attribute of the device driver sysfs. Disabling can be done
similarly. Also the individual work queues can also be enabled and disabled
through the bind/unbind attributes. A constructed hierarchy is created
through the struct device framework in order to provide appropriate
configuration points and device state and status. This hierarchy is
presented off the virtual DSA bus.
i.e. /sys/bus/dsa/...
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965024585.73301.6431413676230150589.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The idxd driver introduces the Intel Data Stream Accelerator [1] that will
be available on future Intel Xeon CPUs. One of the kernel access
point for the driver is through the dmaengine subsystem. It will initially
provide the DMA copy service to the kernel.
Some of the main functionality introduced with this accelerator
are: shared virtual memory (SVM) support, and descriptor submission using
Intel CPU instructions movdir64b and enqcmds. There will be additional
accelerator devices that share the same driver with variations to
capabilities.
This commit introduces the probe and initialization component of the
driver.
[1]: https://software.intel.com/en-us/download/intel-data-streaming-accelerator-preliminary-architecture-specification
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965023991.73301.6186843973135311580.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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With the channel registration routines broken out, now add support code to
allow independent registering and unregistering of channels in a hotplug fashion.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965023364.73301.7821862091077299040.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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In preparation for dynamic channel registration, the code segment that
does the channel registration is broken out to its own function.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/157965022778.73301.8929944324898985438.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"A couple of MMC host fixes:
- sdhci: Fix minimum clock rate for v3 controllers
- sdhci-tegra: Fix SDR50 tuning override
- sdhci_am654: Fixup tuning issues and support for CQHCI
- sdhci_am654: Remove wrong write protect flag"
* tag 'mmc-v5.5-rc2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci: fix minimum clock rate for v3 controller
mmc: tegra: fix SDR50 tuning override
mmc: sdhci_am654: Fix Command Queuing in AM65x
mmc: sdhci_am654: Reset Command and Data line after tuning
mmc: sdhci_am654: Remove Inverted Write Protect flag
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Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20200122111150.11033-1-ckeepax@opensource.cirrus.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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We don't need to hold the local pinctrl lock here to set irq wake on the
summary irq line. Doing so only leads to lockdep warnings instead of
protecting us from anything. Remove the locking.
WARNING: possible circular locking dependency detected
5.4.11 #2 Tainted: G W
------------------------------------------------------
cat/3083 is trying to acquire lock:
ffffff81f4fa58c0 (&irq_desc_lock_class){-.-.}, at: __irq_get_desc_lock+0x64/0x94
but task is already holding lock:
ffffff81f4880c18 (&pctrl->lock){-.-.}, at: msm_gpio_irq_set_wake+0x48/0x7c
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&pctrl->lock){-.-.}:
_raw_spin_lock_irqsave+0x64/0x80
msm_gpio_irq_ack+0x68/0xf4
__irq_do_set_handler+0xe0/0x180
__irq_set_handler+0x60/0x9c
irq_domain_set_info+0x90/0xb4
gpiochip_hierarchy_irq_domain_alloc+0x110/0x200
__irq_domain_alloc_irqs+0x130/0x29c
irq_create_fwspec_mapping+0x1f0/0x300
irq_create_of_mapping+0x70/0x98
of_irq_get+0xa4/0xd4
spi_drv_probe+0x4c/0xb0
really_probe+0x138/0x3f0
driver_probe_device+0x70/0x140
__device_attach_driver+0x9c/0x110
bus_for_each_drv+0x88/0xd0
__device_attach+0xb0/0x160
device_initial_probe+0x20/0x2c
bus_probe_device+0x34/0x94
device_add+0x35c/0x3f0
spi_add_device+0xbc/0x194
of_register_spi_devices+0x2c8/0x408
spi_register_controller+0x57c/0x6fc
spi_geni_probe+0x260/0x328
platform_drv_probe+0x90/0xb0
really_probe+0x138/0x3f0
driver_probe_device+0x70/0x140
device_driver_attach+0x4c/0x6c
__driver_attach+0xcc/0x154
bus_for_each_dev+0x84/0xcc
driver_attach+0x2c/0x38
bus_add_driver+0x108/0x1fc
driver_register+0x64/0xf8
__platform_driver_register+0x4c/0x58
spi_geni_driver_init+0x1c/0x24
do_one_initcall+0x1a4/0x3e8
do_initcall_level+0xb4/0xcc
do_basic_setup+0x30/0x48
kernel_init_freeable+0x124/0x1a8
kernel_init+0x14/0x100
ret_from_fork+0x10/0x18
-> #0 (&irq_desc_lock_class){-.-.}:
__lock_acquire+0xeb4/0x2388
lock_acquire+0x1cc/0x210
_raw_spin_lock_irqsave+0x64/0x80
__irq_get_desc_lock+0x64/0x94
irq_set_irq_wake+0x40/0x144
msm_gpio_irq_set_wake+0x5c/0x7c
set_irq_wake_real+0x40/0x5c
irq_set_irq_wake+0x70/0x144
cros_ec_rtc_suspend+0x38/0x4c
platform_pm_suspend+0x34/0x60
dpm_run_callback+0x64/0xcc
__device_suspend+0x310/0x41c
dpm_suspend+0xf8/0x298
dpm_suspend_start+0x84/0xb4
suspend_devices_and_enter+0xbc/0x620
pm_suspend+0x210/0x348
state_store+0xb0/0x108
kobj_attr_store+0x14/0x24
sysfs_kf_write+0x4c/0x64
kernfs_fop_write+0x15c/0x1fc
__vfs_write+0x54/0x18c
vfs_write+0xe4/0x1a4
ksys_write+0x7c/0xe4
__arm64_sys_write+0x20/0x2c
el0_svc_common+0xa8/0x160
el0_svc_handler+0x7c/0x98
el0_svc+0x8/0xc
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&pctrl->lock);
lock(&irq_desc_lock_class);
lock(&pctrl->lock);
lock(&irq_desc_lock_class);
*** DEADLOCK ***
7 locks held by cat/3083:
#0: ffffff81f06d1420 (sb_writers#7){.+.+}, at: vfs_write+0xd0/0x1a4
#1: ffffff81c8935680 (&of->mutex){+.+.}, at: kernfs_fop_write+0x12c/0x1fc
#2: ffffff81f4c322f0 (kn->count#337){.+.+}, at: kernfs_fop_write+0x134/0x1fc
#3: ffffffe89a641d60 (system_transition_mutex){+.+.}, at: pm_suspend+0x108/0x348
#4: ffffff81f190e970 (&dev->mutex){....}, at: __device_suspend+0x168/0x41c
#5: ffffff81f183d8c0 (lock_class){-.-.}, at: __irq_get_desc_lock+0x64/0x94
#6: ffffff81f4880c18 (&pctrl->lock){-.-.}, at: msm_gpio_irq_set_wake+0x48/0x7c
stack backtrace:
CPU: 4 PID: 3083 Comm: cat Tainted: G W 5.4.11 #2
Hardware name: Google Cheza (rev3+) (DT)
Call trace:
dump_backtrace+0x0/0x174
show_stack+0x20/0x2c
dump_stack+0xc8/0x124
print_circular_bug+0x2ac/0x2c4
check_noncircular+0x1a0/0x1a8
__lock_acquire+0xeb4/0x2388
lock_acquire+0x1cc/0x210
_raw_spin_lock_irqsave+0x64/0x80
__irq_get_desc_lock+0x64/0x94
irq_set_irq_wake+0x40/0x144
msm_gpio_irq_set_wake+0x5c/0x7c
set_irq_wake_real+0x40/0x5c
irq_set_irq_wake+0x70/0x144
cros_ec_rtc_suspend+0x38/0x4c
platform_pm_suspend+0x34/0x60
dpm_run_callback+0x64/0xcc
__device_suspend+0x310/0x41c
dpm_suspend+0xf8/0x298
dpm_suspend_start+0x84/0xb4
suspend_devices_and_enter+0xbc/0x620
pm_suspend+0x210/0x348
state_store+0xb0/0x108
kobj_attr_store+0x14/0x24
sysfs_kf_write+0x4c/0x64
kernfs_fop_write+0x15c/0x1fc
__vfs_write+0x54/0x18c
vfs_write+0xe4/0x1a4
ksys_write+0x7c/0xe4
__arm64_sys_write+0x20/0x2c
el0_svc_common+0xa8/0x160
el0_svc_handler+0x7c/0x98
el0_svc+0x8/0xc
Fixes: 6aced33f4974 ("pinctrl: msm: drop wake_irqs bitmap")
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Brian Masney <masneyb@onstation.org>
Cc: Lina Iyer <ilina@codeaurora.org>
Cc: Maulik Shah <mkshah@codeaurora.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20200121180950.36959-1-swboyd@chromium.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In HWiNFO, we see support for Tccd1, Tccd3, Tccd5, and Tccd7 temperature
sensors on Zen2 based Threadripper CPUs. Checking register maps on
Threadripper 3970X confirms SMN register addresses and values for those
sensors.
Register values observed in an idle system:
0x059950: 00000000 00000abc 00000000 00000ad8
0x059960: 00000000 00000ade 00000000 00000ae4
Under load:
0x059950: 00000000 00000c02 00000000 00000c14
0x059960: 00000000 00000c30 00000000 00000c22
More analysis shows that EPYC CPUs support up to 8 CCD temperature
sensors. EPYC 7601 supports three CCD temperature sensors. Unlike
Zen2 CPUs, the register space in Zen1 CPUs supports a maximum of four
sensors, so only search for a maximum of four sensors on Zen1 CPUs.
On top of that, in thm_10_0_sh_mask.h in the Linux kernel, we find
definitions for THM_DIE{1-3}_TEMP__VALID_MASK, set to 0x00000800, as well
as matching SMN addresses. This lets us conclude that bit 11 of the
respective registers is a valid bit. With this assumption, the temperature
offset is now 49 degrees C. This conveniently matches the documented
temperature offset for Tdie, again suggesting that above registers indeed
report temperatures sensor values. Assume that bit 11 is indeed a valid
bit, and add support for the additional sensors.
With this patch applied, output from 3970X (idle) looks as follows:
k10temp-pci-00c3
Adapter: PCI adapter
Tdie: +55.9°C
Tctl: +55.9°C
Tccd1: +39.8°C
Tccd3: +43.8°C
Tccd5: +43.8°C
Tccd7: +44.8°C
Tested-by: Michael Larabel <michael@phoronix.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.5-2020-01-23:
amdgpu:
- remove the experimental flag from renoir
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200123191424.3849-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Avoid overflow with huge userptr objects
- uAPI fix to correctly handle negative values in
engine->uabi_class/instance (cc: stable)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200123135045.GA12584@jlahtine-desk.ger.corp.intel.com
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Show thermal and SVI registers for Family 17h CPUs.
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The maximum Tdie or Tctl is not published for Ryzen CPUs. What is
known, however, is that the traditional value of 70 degrees C is no
longer correct. On top of that, the limit applies to Tctl, not to Tdie.
Displaying it in either context is meaningless, confusing, and wrong.
Stop doing it.
Tested-by: Brad Campbell <lists2009@fnarfbargle.com>
Tested-by: Holger Kiehl <holger.kiehl@dwd.de>
Tested-by: Michael Larabel <michael@phoronix.com>
Tested-by: Jonathan McDowell <noodles@earth.li>
Tested-by: Ken Moffat <zarniwhoop73@googlemail.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Ryzen CPUs report core and SoC voltages and currents. Add support
for it to the k10temp driver.
For the time being, only report voltages and currents for Ryzen
CPUs. Threadripper and EPYC appear to use a different mechanism.
Tested-by: Brad Campbell <lists2009@fnarfbargle.com>
Tested-by: Bernhard Gebetsberger <bernhard.gebetsberger@gmx.at>
Tested-by: Holger Kiehl <holger.kiehl@dwd.de>
Tested-by: Michael Larabel <michael@phoronix.com>
Tested-by: Jonathan McDowell <noodles@earth.li>
Tested-by: Ken Moffat <zarniwhoop73@googlemail.com>
Tested-by: Darren Salt <devspam@moreofthesa.me.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Zen2 reports reporting temperatures per CPU die (called Core Complex Dies,
or CCD, by AMD). Add support for it to the k10temp driver.
Tested-by: Brad Campbell <lists2009@fnarfbargle.com>
Tested-by: Bernhard Gebetsberger <bernhard.gebetsberger@gmx.at>
Tested-by: Holger Kiehl <holger.kiehl@dwd.de>
Tested-by: Michael Larabel <michael@phoronix.com>
Tested-by: Jonathan McDowell <noodles@earth.li>
Tested-by: Ken Moffat <zarniwhoop73@googlemail.com>
Tested-by: Darren Salt <devspam@moreofthesa.me.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Convert driver to use devm_hwmon_device_register_with_info to simplify
the code and to reduce its size.
Old size (x86_64):
text data bss dec hex filename
8247 4488 64 12799 31ff drivers/hwmon/k10temp.o
New size:
text data bss dec hex filename
6778 2792 64 9634 25a2 drivers/hwmon/k10temp.o
Tested-by: Brad Campbell <lists2009@fnarfbargle.com>
Tested-by: Bernhard Gebetsberger <bernhard.gebetsberger@gmx.at>
Tested-by: Holger Kiehl <holger.kiehl@dwd.de>
Tested-by: Michael Larabel <michael@phoronix.com>
Tested-by: Jonathan McDowell <noodles@earth.li>
Tested-by: Ken Moffat <zarniwhoop73@googlemail.com>
Tested-by: Darren Salt <devspam@moreofthesa.me.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Using bitops makes bit masks and shifts easier to read.
Tested-by: Brad Campbell <lists2009@fnarfbargle.com>
Tested-by: Bernhard Gebetsberger <bernhard.gebetsberger@gmx.at>
Tested-by: Holger Kiehl <holger.kiehl@dwd.de>
Tested-by: Michael Larabel <michael@phoronix.com>
Tested-by: Jonathan McDowell <noodles@earth.li>
Tested-by: Ken Moffat <zarniwhoop73@googlemail.com>
Tested-by: Darren Salt <devspam@moreofthesa.me.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The pwm-fan driver stops the fan in suspend but leaves the fan on in
shutdown. It seems strange to leave the fan on in shutdown because there
is no use case in my mind and the gpio-fan driver on the other hand stops
in shutdown.
This change turns off the fan in shutdown. If anyone complains then we'll
add an optional property to switch the behavior.
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Kamil Debski <kamil@wypas.org>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Link: https://lore.kernel.org/r/1579534344-11694-1-git-send-email-akinobu.mita@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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driver
ADM1177 is a Hot Swap Controller and Digital Power Monitor with
Soft Start Pin.
Datasheet:
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Link: https://lore.kernel.org/r/20200114112159.25998-1-beniamin.bia@analog.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for devices XDPE12254, XDPE12284.
All these device support two pages.
The below lists of VOUT_MODE command readout with their related VID
protocols, Digital to Analog Converter steps, supported by these
devices:
VR12.0 mode, 5-mV DAC - 0x01;
VR12.5 mode, 10-mV DAC - 0x02;
IMVP9 mode, 5-mV DAC - 0x03;
AMD mode 6.25mV - 0x10.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Link: https://lore.kernel.org/r/20200113150841.17670-5-vadimp@mellanox.com
[groeck: Added missing break statement]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Extends driver with support of the additional devices:
Texas Instruments Dual channel DCAP+ multiphase controllers: TPS53688.
Extend Kconfig with added device.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Link: https://lore.kernel.org/r/20200113150841.17670-4-vadimp@mellanox.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Extend "vrm_version" with the type for Intel IMVP9 and AMD 6.25mV VID
modes.
Add calculation for those types.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Link: https://lore.kernel.org/r/20200113150841.17670-3-vadimp@mellanox.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for VID protocol detection per page bases, instead of
detecting it based on "PMBU_VOUT" readout from page 0 for all the pages
supported by particular device.
The reason that some devices allows to configure different VID modes
per page within the same device.
Patch modifies the field "vrm_version" within the structure
"pmbus_driver_info" to be per page array.
Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Link: https://lore.kernel.org/r/20200113150841.17670-2-vadimp@mellanox.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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If the user write parameters resulted in no bytes being written to the
temporary buffer, then ON_OFF_CONFIG will be written with uninitialized
data. Prevent this by bailing out in this case.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/1578411640-16929-1-git-send-email-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/hwmon/w83627ehf.c: In function 'w83627ehf_check_fan_inputs':
drivers/hwmon/w83627ehf.c:1296:24: warning:
variable 'fan4min' set but not used [-Wunused-but-set-variable]
commit 62000264cfa8 ("hwmon: (w83627ehf) remove nct6775 and nct6776 support")
left behind this unused variable.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20200108034514.50130-1-yuehaibing@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Reading the temperature of ATA drives has been supported for years
by userspace tools such as smarttools or hddtemp. The downside of
such tools is that they need to run with super-user privilege, that
the temperatures are not reported by standard tools such as 'sensors'
or 'libsensors', and that drive temperatures are not available for use
in the kernel's thermal subsystem.
This driver solves this problem by adding support for reading the
temperature of ATA drives from the kernel using the hwmon API and
by adding a temperature zone for each drive.
With this driver, the hard disk temperature can be read using the
unprivileged 'sensors' application:
$ sensors drivetemp-scsi-1-0
drivetemp-scsi-1-0
Adapter: SCSI adapter
temp1: +23.0°C
or directly from sysfs:
$ grep . /sys/class/hwmon/hwmon9/{name,temp1_input}
/sys/class/hwmon/hwmon9/name:drivetemp
/sys/class/hwmon/hwmon9/temp1_input:23000
If the drive supports SCT transport and reports temperature limits,
those are reported as well.
drivetemp-scsi-0-0
Adapter: SCSI adapter
temp1: +27.0°C (low = +0.0°C, high = +60.0°C)
(crit low = -41.0°C, crit = +85.0°C)
(lowest = +23.0°C, highest = +34.0°C)
The driver attempts to use SCT Command Transport to read the drive
temperature. If the SCT Command Transport feature set is not available,
or if it does not report the drive temperature, drive temperatures may
be readable through SMART attributes. Since SMART attributes are not well
defined, this method is only used as fallback mechanism.
Cc: Chris Healy <cphealy@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The driver should remain in control of the LED on the PSU, even while
off, not the PSU firmware as previously indicated.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/1576788607-13567-4-git-send-email-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Version 2 of the PSU supports reading an auxiliary voltage. Use the
pmbus VMON property and associated virtual register to read it.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/1576788607-13567-3-git-send-email-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for a number of manufacturer-specific registers in the
debugfs entries, as well as support to read and write the
PMBUS_ON_OFF_CONFIG register through debugfs.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/1576788607-13567-2-git-send-email-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Add support for Maxim MAX20730, MAX20734, MAX20743 Integrated,
Step-Down Switching Regulators with PMBus support.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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The 2nd intrusion channel was only used on the nct6776
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://lore.kernel.org/r/20191225023225.2785-4-linux@treblig.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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