linux-toradex.git/drivers/pinctrl/pinctrl-tb10x.c, branch v6.6

pinctrl: use devm_platform_ioremap_resource() to simplify code

2019-11-05T14:33:40+00:00

devm_platform_ioremap_resource() internally have platform_get_resource()
and devm_ioremap_resource() in it. So instead of calling them separately
use devm_platform_ioremap_resource() directly.

Signed-off-by: YueHaibing 
Acked-by: Thierry Reding 
Acked-by: Neil Armstrong 
Acked-by: Manivannan Sadhasivam 
Acked-by: Jesper Nilsson 
Reviewed-by: Bjorn Andersson 
Link: https://lore.kernel.org/r/20191104142654.39256-1-yuehaibing@huawei.com
Signed-off-by: Linus Walleij

Merge tag 'pinctrl-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

2019-07-13T22:02:27+00:00

Pull pin control updates from Linus Walleij:
"This is the bulk of pin control changes for the v5.3 kernel cycle:

Core changes:

- Device links can optionally be added between a pin control producer
and its consumers. This will affect how the system power management
is handled: a pin controller will not suspend before all of its
consumers have been suspended.

This was necessary for the ST Microelectronics STMFX expander and
need to be tested on other systems as well: it makes sense to make
this default in the long run.

Right now it is opt-in per driver.

- Drive strength can be specified in microamps. With decreases in
silicon technology, milliamps isn't granular enough, let's make it
possible to select drive strengths in microamps.

Right now the Meson (AMlogic) driver needs this.

New drivers:

- New subdriver for the Tegra 194 SoC.

- New subdriver for the Qualcomm SDM845.

- New subdriver for the Qualcomm SM8150.

- New subdriver for the Freescale i.MX8MN (Freescale is now a product
line of NXP).

- New subdriver for Marvell MV98DX1135.

Driver improvements:

- The Bitmain BM1880 driver now supports pin config in addition to
muxing.

- The Qualcomm drivers can now reserve some GPIOs as taken aside and
not usable for users. This is used in ACPI systems to take out some
GPIO lines used by the BIOS so that noone else (neither kernel nor
userspace) will play with them by mistake and crash the machine.

- A slew of refurbishing around the Aspeed drivers (board management
controllers for servers) in preparation for the new Aspeed AST2600
SoC.

- A slew of improvements over the SH PFC drivers as usual.

- Misc cleanups and fixes"

* tag 'pinctrl-v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (106 commits)
pinctrl: aspeed: Strip moved macros and structs from private header
pinctrl: aspeed: Fix missed include
pinctrl: baytrail: Use GENMASK() consistently
pinctrl: baytrail: Re-use data structures from pinctrl-intel.h
pinctrl: baytrail: Use defined macro instead of magic in byt_get_gpio_mux()
pinctrl: qcom: Add SM8150 pinctrl driver
dt-bindings: pinctrl: qcom: Add SM8150 pinctrl binding
dt-bindings: pinctrl: qcom: Document missing gpio nodes
pinctrl: aspeed: Add implementation-related documentation
pinctrl: aspeed: Split out pinmux from general pinctrl
pinctrl: aspeed: Clarify comment about strapping W1C
pinctrl: aspeed: Correct comment that is no longer true
MAINTAINERS: Add entry for ASPEED pinctrl drivers
dt-bindings: pinctrl: aspeed: Convert AST2500 bindings to json-schema
dt-bindings: pinctrl: aspeed: Convert AST2400 bindings to json-schema
dt-bindings: pinctrl: aspeed: Split bindings document in two
pinctrl: qcom: Add irq_enable callback for msm gpio
pinctrl: madera: Fixup SPDX headers
pinctrl: qcom: sdm845: Fix CONFIG preprocessor guard
pinctrl: tegra: Add bitmask support for parked bits
...

pinctrl: tb10x: Use flexible-array member and struct_size() helper

2019-06-07T23:29:43+00:00

Update the code to use a flexible array member instead of a pointer in
structure tb10x_pinctrl and use the struct_size() helper:

struct tb10x_pinctrl {
        ...
	struct tb10x_of_pinfunc pinfuncs[];
};

Also, make use of the struct_size() helper instead of an open-coded
version in order to avoid any potential type mistakes.

So, replace the following form:

sizeof(struct tb10x_pinctrl) + of_get_child_count(of_node) * sizeof(struct tb10x_of_pinfunc)

with:

struct_size(state, pinfuncs, of_get_child_count(of_node))

This code was detected with the help of Coccinelle.

Reviewed-by: Kees Cook 
Signed-off-by: Gustavo A. R. Silva 
Signed-off-by: Linus Walleij

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333

2019-06-05T15:37:06+00:00

Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation this program is
  distributed in the hope that it will be useful but without any
  warranty without even the implied warranty of merchantability or
  fitness for a particular purpose see the gnu general public license
  for more details you should have received a copy of the gnu general
  public license along with this program if not write to the free
  software foundation inc 59 temple place suite 330 boston ma 02111
  1307 usa

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 136 file(s).

Signed-off-by: Thomas Gleixner 
Reviewed-by: Alexios Zavras 
Reviewed-by: Allison Randal 
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000436.384967451@linutronix.de
Signed-off-by: Greg Kroah-Hartman

pinctrl: tb10x: constify pinconf_ops, pinctrl_ops, and pinmux_ops structures

2017-08-22T12:41:40+00:00

These structures are only stored in fields of a pinctrl_desc
structure (pctlops and pmxops) that are const. Make the
structures const as well.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall 
Signed-off-by: Linus Walleij

pinctrl: Convert to using %pOF instead of full_name

2017-08-14T13:01:02+00:00

Now that we have a custom printf format specifier, convert users of
full_name to use %pOF instead. This is preparation to remove storing
of the full path string for each node.

Signed-off-by: Rob Herring 
Cc: Linus Walleij 
Cc: Lee Jones 
Cc: Stefan Wahren 
Cc: Florian Fainelli 
Cc: Ray Jui 
Cc: Scott Branden 
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: Tomasz Figa 
Cc: Sylwester Nawrocki 
Cc: Laurent Pinchart 
Cc: Barry Song 
Cc: linux-gpio@vger.kernel.org
Cc: linux-rpi-kernel@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: kernel@stlinux.com
Cc: linux-samsung-soc@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org
Acked-by: Krzysztof Kozlowski 
Acked-by: Ludovic Desroches 
Acked-by: Patrice Chotard 
Reviewed-by: Geert Uytterhoeven 
Acked-by: Geert Uytterhoeven 
Acked-by: Eric Anholt 
Signed-off-by: Linus Walleij

pinctrl: tb10x: Use devm_pinctrl_register() for pinctrl registration

2016-04-21T07:23:25+00:00

Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan 
Signed-off-by: Linus Walleij

pinctrl: Rename pinctrl_utils_dt_free_map to pinctrl_utils_free_map

2016-04-01T13:06:36+00:00

Rename pinctrl_utils_dt_free_map to pinctrl_utils_free_map, since
it does not depend on device tree despite the current name. This
will enforce a consistent naming in pinctr-utils.c and will make
it clear it can be called from outside device tree (e.g. from
ACPI handling code).

Signed-off-by: Irina Tirdea 
Signed-off-by: Linus Walleij

pinctrl: make pinctrl_register() return proper error code

2015-06-10T12:49:52+00:00

Currently, pinctrl_register() just returns NULL on error, so the
callers can not know the exact reason of the failure.

Some of the pinctrl drivers return -EINVAL, some -ENODEV, and some
-ENOMEM on error of pinctrl_register(), although the error code
might be different from the real cause of the error.

This commit reworks pinctrl_register() to return the appropriate
error code and modifies all of the pinctrl drivers to use IS_ERR()
for the error checking and PTR_ERR() for getting the error code.

Signed-off-by: Masahiro Yamada 
Acked-by: Patrice Chotard 
Acked-by: Thierry Reding 
Acked-by: Heiko Stuebner 
Tested-by: Mika Westerberg 
Acked-by: Mika Westerberg 
Acked-by: Lee Jones 
Acked-by: Sören Brinkmann 
Acked-by: Laurent Pinchart 
Acked-by: Ray Jui 
Acked-by: Antoine Tenart 
Acked-by: Hongzhou Yang 
Acked-by: Wei Chen 
Signed-off-by: Linus Walleij

Merge tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

2014-12-15T00:10:09+00:00

Pull driver core update from Greg KH:
 "Here's the set of driver core patches for 3.19-rc1.

  They are dominated by the removal of the .owner field in platform
  drivers.  They touch a lot of files, but they are "simple" changes,
  just removing a line in a structure.

  Other than that, a few minor driver core and debugfs changes.  There
  are some ath9k patches coming in through this tree that have been
  acked by the wireless maintainers as they relied on the debugfs
  changes.

  Everything has been in linux-next for a while"

* tag 'driver-core-3.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (324 commits)
  Revert "ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries"
  fs: debugfs: add forward declaration for struct device type
  firmware class: Deletion of an unnecessary check before the function call "vunmap"
  firmware loader: fix hung task warning dump
  devcoredump: provide a one-way disable function
  device: Add dev__once variants
  ath: ath9k: use debugfs_create_devm_seqfile() helper for seq_file entries
  ath: use seq_file api for ath9k debugfs files
  debugfs: add helper function to create device related seq_file
  drivers/base: cacheinfo: remove noisy error boot message
  Revert "core: platform: add warning if driver has no owner"
  drivers: base: support cpu cache information interface to userspace via sysfs
  drivers: base: add cpu_device_create to support per-cpu devices
  topology: replace custom attribute macros with standard DEVICE_ATTR*
  cpumask: factor out show_cpumap into separate helper function
  driver core: Fix unbalanced device reference in drivers_probe
  driver core: fix race with userland in device_add()
  sysfs/kernfs: make read requests on pre-alloc files use the buffer.
  sysfs/kernfs: allow attributes to request write buffer be pre-allocated.
  fs: sysfs: return EGBIG on write if offset is larger than file size
  ...