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Add the unified read/write API for C22 and C45 registers. The
abstractions support access to only C22 registers now. Instead of
adding read/write_c45 methods specifically for C45, a new reg module
supports the unified API to access C22 and C45 registers with trait,
by calling an appropriate phylib functions.
Reviewed-by: Trevor Gross <[email protected]>
Reviewed-by: Benno Lossin <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: FUJITA Tomonori <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Our initial VF control implementation was focused on providing
a very minimal support for the VF_STATE_NOTIFY events just to
meet GuC requirements, without tracking a VF state or doing any
expected actions (like cleanup in case of the FLR notification).
Try to improve this by defining set of VF state machines, each
responsible for processing one activity (PAUSE, RESUME, STOP or
FLR). All required steps defined by the VF state machine are then
executed by the PF worker from the dedicated workqueue.
Any external requests or notifications simply try to transition
between the states to trigger a work and then wait for that work
to finish. Some predefined default timeouts are used to avoid
changing existing API calls, but it should be easy to extend the
control API to also accept specific timeout values.
Signed-off-by: Michal Wajdeczko <[email protected]>
Cc: Piotr Piórkowski <[email protected]>
Reviewed-by: Piotr Piórkowski <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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It is unlikely that GuC will ever send a G2H notification with an
invalid VFID and it is currently harmless if that actually happen.
But in upcoming patches we will start using that VFID as an index
and we must be sure it is a valid to avoid a crash due to a buggy
firmware or a currupted G2H message.
Signed-off-by: Michal Wajdeczko <[email protected]>
Reviewed-by: Piotr Piórkowski <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Current formatting of "The VF FLR Flow with GuC" only looks fine,
but it will not render properly when included in htmldocs due to:
WARNING: Block quote ends without a blank line; unexpected unindent.
CRITICAL: Missing matching underline for section title overline.
Fix that by adding proper indent and using list markup.
Signed-off-by: Michal Wajdeczko <[email protected]>
Reviewed-by: Piotr Piórkowski <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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On current platforms it is a PF driver responsibility to clear
some of the VF's resources during a VF FLR. Add simple function
that will clear configured VF resources (GGTT, LMEM). We will
start using this function soon.
Signed-off-by: Michal Wajdeczko <[email protected]>
Reviewed-by: Piotr Piórkowski <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
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Replace a comma between expression statements by a semicolon.
Signed-off-by: Chen Ni <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Allocate the memory with scoped/cleanup.h to reduce error handling and
make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Allocate the memory with scoped/cleanup.h to reduce error handling and
make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`sprd_pmic_regmap` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: Baolin Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`regmap_mc13xxx_bus` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`gsc_regmap_bus` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`twl6040_irq_chip` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`tps65912_irq_chip` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`tps65910_irq_chip` and `tps65911_irq_chip` are not modified and can be
declared as const to move their data to a read-only section.
The pointer used to reference those structs has also been converted to
const.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`tps65219_irqs` and `tps65219_irq_chip` are not modified and can
be declared as const to move their data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`tps65218_irq_chip` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`tps65090_irq_chip` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`tps65086_irq_chip` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`bd718xx_irq_chip` is not modified and can be declared as const to
move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: Matti Vaittinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The regmap_irq and regmap_irq_chip structs are not modified and can be
declared as const to move their data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: Matti Vaittinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The regmap_irq_chip structs are not modified and can be declared as
const to move their data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The regmap_bus, regmap_irq and regmap_irq_chip structs are not modified
and can be declared as const to move their data to a read-only section.
The pointer to reference the regmap_irq_chip structs has been converted
to const.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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The regmap_irq_chip structs are not modified and can be declared as
const to move their data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`bd9571mwv_irq_chip` and `bd9574mwf_irq_chip` are not modified and can
be declared as const to move their data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: Matti Vaittinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`pm800_irq`, `pm805_irq` and `pm805_irq_chip` are not modified and can
be declared as const to move their data to a read-only section.
In order to keep the const modifier for the regmap_irq_chip structures,
the pointer used to reference them must be converted to const as well.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`m10bmc_pmci_regmap_config` and `intel_m10bmc_regmap_config` are not
modified and can be declared as const to move their data to a
read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`bd957x_regmap`, `bd9576_irqs` and `bd9576_irq_chip` are not modified
and can be declared as const to move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: Matti Vaittinen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`tps6105x_regmap_config` is not modified and can be declared as const
to move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`wcd934x_regmap_config` is not modified and can be declared as const
to move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`hi655x_regmap_config` is not modified and can be declared as const
to move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`mx25_tsadc_regmap_config` is not modified and can be declared as const
to move its data to a read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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`da9061_regmap_{config,irq,irq_chip}` and `da9062_{config,irq,irq_chip}`
are not modified and can be declared as const to move their data to a
read-only section.
Signed-off-by: Javier Carrasco <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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ibs-for-mfd-merged
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Add MODULE_DEVICE_TABLE(), so modules could be properly autoloaded
based on the alias from of_device_id table.
Signed-off-by: Liao Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Add support for the Renesas RZ/G3S SoC. The support is similar with the
rest of RZ/G2 devices with the except that the RZ/G3S needs bus
initialization due to hardware limitation.
Signed-off-by: Claudiu Beznea <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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The Renesas RZ/G3S need to initialize the USB BUS before transferring data
due to hardware limitation. As the register that need to be touched for
this is in the address space of the USB PHY, and the UBS PHY need to be
initialized before any other USB drivers handling data transfer, add
support to initialize the USB BUS.
As the USB PHY is probed before any other USB drivers that enables
clocks and de-assert the reset signals and the BUS initialization is done
in the probe phase, we need to add code to de-assert reset signal and
runtime resume the device (which enables its clocks) before accessing
the registers.
As the reset signals are not required by the USB PHY driver for the other
USB PHY hardware variants, the reset signals and runtime PM was handled
only in the function that initialize the USB BUS.
The PHY initialization was done right after runtime PM enable to have
all in place when the PHYs are registered.
Signed-off-by: Claudiu Beznea <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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The update_hw_blink() function prints an error message when hardware is
not able to handle a blink configuration on its own. IMHO, this isn't a
'real' error since the software fallback is used afterwards.
Remove the error messages to avoid flooding the logs with unnecessary
messages.
Cc: [email protected]
Fixes: 48ca7f302cfc ("leds: pca9532: Use PWM1 for hardware blinking")
Signed-off-by: Bastien Curutchet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>
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Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Drop OF node reference immediately after using it in
syscon_node_to_regmap(), which is both simpler and typical/expected
code pattern.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Use dev_err_probe() to avoid dmesg flood on actual defer. This makes
the code also simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Obtain the device node reference with scoped/cleanup.h to reduce error
handling and make the code a bit simpler.
Unlike in other typical of_node_get+syscon_node_to_regmap cases, the
reference cannot be dropped immediately after syscon_node_to_regmap(),
because further part of probe() uses it.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Use scoped for_each_child_of_node_scoped() when iterating over device
nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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Use scoped for_each_available_child_of_node_scoped() when iterating over
device nodes to make code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/samsung into devel
Samsung pinctrl drivers changes for v6.12
1. Few cleanups: use more appropriate of_property_present(), use scoped
OF nodes handling and switch to kmemdup_array().
2. Implement configuring pull-up and pull-down via GPIOLIB.
Signed-off-by: Linus Walleij <[email protected]>
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This is another flag that is statically set and doesn't need to use up
an FMODE_* bit. Move it to ->fop_flags and free up another FMODE_* bit.
(1) mem_open() used from proc_mem_operations
(2) adi_open() used from adi_fops
(3) drm_open_helper():
(3.1) accel_open() used from DRM_ACCEL_FOPS
(3.2) drm_open() used from
(3.2.1) amdgpu_driver_kms_fops
(3.2.2) psb_gem_fops
(3.2.3) i915_driver_fops
(3.2.4) nouveau_driver_fops
(3.2.5) panthor_drm_driver_fops
(3.2.6) radeon_driver_kms_fops
(3.2.7) tegra_drm_fops
(3.2.8) vmwgfx_driver_fops
(3.2.9) xe_driver_fops
(3.2.10) DRM_GEM_FOPS
(3.2.11) DEFINE_DRM_GEM_DMA_FOPS
(4) struct memdev sets fmode flags based on type of device opened. For
devices using struct mem_fops unsigned offset is used.
Mark all these file operations as FOP_UNSIGNED_OFFSET and add asserts
into the open helper to ensure that the flag is always set.
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Jeff Layton <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>
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